psbbix

0.1.4

psbbix.psm1

Function New-ZabbixSession {
    
    <#
    .Synopsis
        Create new Zabbix session
    .Description
        Create new Zabbix session
    .Parameter PSCredential
        Credential
    .Parameter IPAddress
        Accept IP adress or domain name
    .Parameter noSSL
        Connect to Zabbix server with plain http
    .Example
        New-ZabbixSession 10.10.10.10
        Connect to Zabbix server
    .Example
        Connect-Zabbix -IPAddress 10.10.10.10 -noSSL
        Connect to Zabbix server with noSSL (http)
    .Example
        Connect-Zabbix -User admin -Password zabbix -IPAddress zabbix.domain.net
        Connect to Zabbix server
    #>
    
    [CmdletBinding()]
    [Alias("Connect-Zabbix")]
    Param (
        [Parameter(Mandatory=$True)][string]$IPAddress,
        [Parameter(Mandatory=$True)][PSCredential]$PSCredential,
        [Switch]$UseSSL,
        [switch]$noSSL
    )
    
    $Body = @{
        jsonrpc = "2.0"
        method = "user.login"
        params = @{
            user = $PSCredential.UserName
            password = $PSCredential.GetNetworkCredential().Password
        }
        id = 1
        auth = $null
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    if (!(test-connection $IPAddress -Quiet -Count 1)) {write-host "$IPAddress is not available.`n" -f red; return}
    
    if ($noSSL) {
        write-warning "You're going to connect via insecure HTTP protocol. Consider to use HTTPS."
        $Protocol="http"
    }
    elseif ($useSSL) {
        $Protocol="https"
    }    
    else {
        $Protocol="https"
    }
    
    $URL = $Protocol+"://$IPAddress/zabbix"
    try {if (!$global:zabSession) {
        $global:zabSession=Invoke-RestMethod ("$URL/api_jsonrpc.php") -ContentType "application/json" -Body $BodyJSON -Method Post |
            Select-Object jsonrpc,@{Name="session";Expression={$_.Result}},id,@{Name="URL";Expression={$URL}}
       }
    }
    catch {
        [void]::$_
        write-host "Seems SSL certificate is self signed. Trying with no SSL validation..." -f yellow
    } 
    finally {
        [System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true}
        $global:zabSession=Invoke-RestMethod ("$URL/api_jsonrpc.php") -ContentType "application/json" -Body $BodyJSON -Method Post |
            Select-Object jsonrpc,@{Name="session";Expression={$_.Result}},id,@{Name="URL";Expression={$URL}}
    }    
    
    if ($zabsession.session) {
        $global:zabSessionParams=@{jsonrpc=$zabsession.jsonrpc;session=$zabsession.session;id=$zabsession.id;url=$zabsession.URL}
        write-host "`nConnected to $IPAddress." -f green
        write-host "Zabbix Server version: " -f green -nonewline
        Get-ZabbixVersion @zabSessionParams
        ""
        write-host 'Usage: Get-ZabbixVersion @zabSessionParams' -f yellow
        write-host 'Usage: Get-ZabbixHost @zabSessionParams Hostname/IP' -f yellow
        ""
    } 
    else {write-host "ERROR: Not connected. Try again." -f red; $zabsession}
}

Function Get-ZabbixSession {
    <#
    .Synopsis
        Get Zabbix session
    .Description
        Get Zabbix session
    .Example
        Get-ZabbixSession
        Get Zabbix session
    .Example
        Get-ZabbixConnection
        Get Zabbix session
    #>
    
    [CmdletBinding()]
    [Alias("Get-ZabbixConnection")]
    param ()
    
    if (!($global:zabSession -and $global:zabSessionParams)) {
        write-host "`nDisconnected form Zabbix Server!`n" -f red; return
    }
    elseif ($global:zabSession -and $global:zabSessionParams -and ($ZabbixVersion=Get-ZabbixVersion @zabSessionParams)) {
        $zabSession
    }
    else {write-host "`nDisconnected form Zabbix Server!`n" -f red; return}
}

Function Remove-ZabbixSession {
    <#
    .Synopsis
        Remove Zabbix session
    .Description
        Remove Zabbix session
    .Example
        Disconnect-Zabbix @zabSessionParams
        Disconnect from Zabbix server
    .Example
        Remove-Zabbixsession @zabSessionParams
        Disconnect from Zabbix server
    #>
    
    [CmdletBinding()]
    [Alias("Disconnect-Zabbix")]
    Param (
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    if (Get-ZabbixVersion @zabSessionParams) {
        $Body = @{
            method = "user.logout"
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
        
        $BodyJSON = ConvertTo-Json $Body
        write-verbose $BodyJSON
        
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result | out-null} else {$a.error}
        
        $global:zabSession = ""
        $global:zabSessionParams = ""
        
        if (!(Get-ZabbixVersion @zabSessionParams)) {}
    }
    else {Get-ZabbixSession}
}

Function Get-ZabbixVersion {
    <#
    .Synopsis
        Get Zabbix server version
    .Description
        Get Zabbix server version
    .Example
        Get-ZabbixVersion @zabSessionParams
        Get Zabbix server version
    #>
    
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    if (!($global:zabsession -or $global:zabSessionParams)) {write-host "`nDisconnected from Zabbix Server!`n" -f red; return}
    if ($global:zabsession -and $global:zabSessionParams) {
    if (!$psboundparameters.count) {Get-ZabbixVersion @zabSessionParams; return}

        $Body = @{
            method = "apiinfo.version"
            jsonrpc = $jsonrpc
            id = $id
        }
        
        $BodyJSON = ConvertTo-Json $Body
        write-verbose $BodyJSON
        
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {return $a.result} else {$a.error}
    }
}

Function Get-ZabbixHost {
    <#
    .Synopsis
        Get hosts
    .Description
        Get hosts
    .Parameter HostName
        To filter by HostName of the host (case sensitive)
    .Parameter HostID
        To filter by HostID of the host
    .Example
        Get-ZabbixHost @zabSessionParams
        Get all hosts
    .Example
        Get-ZabbixHost -HostName HostName @zabSessionParams
        Get host by name (case sensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match host | select hostid,host,status,available,httptests
        Get host(s) by name match (case insensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match host | select -ExpandProperty interfaces -Property name | sort name
        Get hosts' interfaces by host name match (case insensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match os | Get-ZabbixTemplate @zabSessionParams | select templateid,name -Unique
        Get templates by name match (case insensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? status -eq 1 | select hostid,name
        Get only disabled hosts
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match "" | ? jmx_available -match 1 | select hostid,name
        Get host(s) with JMX interface(s) active
    .Example
        Get-ZabbixHost @zabSessionParams | ? parentTemplates -match "jmx" | select hostid,name,available,jmx_available
        Get host(s) with JMX Templates and get their connection status
    .Example
        Get-ZabbixHost @zabSessionParams | ? status -eq 0 | ? available -eq 0 | select hostid,name,status,available,jmx_available | ft -a
        Get hosts, which are enabled, but unreachable
    .Example
        Get-ZabbixHost @zabSessionParams -GroupID (Get-ZabbixGroup @zabSessionParams -GroupName "GroupName").groupid | select hostid,host,status,available,httptests
        Get host(s) by host group, match name "GroupName" (case sensitive)
    .Example
        Get-ZabbixHost @zabSessionParams -hostname HostName | Get-ZabbixItem @zabSessionParams -WebItems -ItemKey web.test.error -ea silent | select name,key_,lastclock
        Get Items for the host (HostName is case sensitive)
    .Example
        (Get-ZabbixHost @zabSessionParams | ? name -match host).parentTemplates.name
        Get templates linked to the host by hostname match (case insensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? parentTemplates -match "jmx" | select name -Unique
        Get hosts with templates, by template name match
    .Example
        Get-ZabbixHost @zabSessionParams -HostName HostName | Get-ZabbixItem @zabSessionParams -WebItems -ItemKey web.test.error -ea silent | select name,key_,@{n='lastclock';e={convertFrom-epoch $_.lastclock}}
        Get Items for the host. Item lastclock (last time it happened in UTC)
    .Example
        Get-ZabbixHost @zabSessionParams -hostname HostName | Get-ZabbixHttpTest @zabSessionParams -ea silent | select httptestid,name,steps
        Get host (case sensitive) and it's HttpTests
    .Example
        Get-ZabbixHost @zabSessionParams -hostname HostName | Get-ZabbixHttpTest @zabSessionParams -ea silent | select -ExpandProperty steps | ft -a
        Get host (case sensitive) and it's HttpTests
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match hostName | select host -ExpandProperty interfaces | ? port -match 10050
        Get interfaces for the host(s)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match hostsName | %{$n=$_.name; Get-ZabbixHostInterface @zabSessionParams -HostID $_.hostid} | select @{n="name";e={$n}},hostid,interfaceid,ip,port | sort name | ft -a
        Get interface(s) for the host(s)
    #>
    
    [CmdletBinding()]
    Param (
        $HostName,
        [array]$HostID,
        [array]$GroupID,
        [array]$HttpTestID,
        [Parameter(ValueFromPipelineByPropertyName=$true)][string]$status,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    $Body = @{
        method = "host.get"
        params = @{
            output = "extend"
            selectGroups = @(
                "groupid",
                "name"
            )
            selectParentTemplates = @(
                "templateid",
                "name"
            )
            selectInterfaces = @(
                "interfaceid",
                "ip",
                "port"
            )
            selectHttpTests = @(
                "httptestid",
                "name",
                "steps"
            )
            selectTriggers = @(
                "triggerid",
                "description"
            )
            
            filter = @{
                host = $HostName
            }
            hostids = $HostID
            groupids = $GroupID
            httptestid = $HttpTestID
        }
        
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function New-ZabbixHost {
    <#
    .Synopsis
        Create new host
    .Description
        Create new host
    .Parameter HostName
        HostName of the host as it will appear in zabbix
    .Parameter IP
        IP adress of the host
    .Parameter DNSName
        Domain name of the host
    .Parameter Port
        Port to connect to the host (default 10050)
    .Parameter GroupID
        ID of the group host will belong to
    .Parameter TemplateID
        ID/IDs of the templates to link to the host
    .Parameter MonitorByDNSName
        If used, domain name of the host will used to connect
    .Example
        New-ZabbixHost @zabSessionParams -HostName NewHost -IP 10.20.10.10 -GroupID 8 -TemplateID "10081","10166"
        Create new host (case sensitive), with two linked Templates
    .Example
        New-ZabbixHost @zabSessionParams -HostName NewHost -IP 10.20.10.10 -GroupID 8 -TemplateID (Get-ZabbixHost @zabSessionParams | ? name -match "host").parentTemplates.templateid -status 0
        Create new host (case sensitive), with multiple attached Templates and enable it (-status 0)
    .Example
        New-ZabbixHost @zabSessionParams -HostName NewHost -IP 10.20.10.10 -GroupID 8 -TemplateID (Get-ZabbixHost @zabSessionParams | ? name -match "host").parentTemplates.templateid -status 1
        Create new host (case sensitive), with multiple attached Templates and leave it disabled (-status 1)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match SourceHost | New-ZabbixHost @zabSessionParams -HostName NewHost -IP 10.20.10.10
        Clone host with single interface
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match SourceHost | New-ZabbixHost @zabSessionParams -HostName NewHost -IP 10.20.10.10 -TemplateID (Get-ZabbixHost @zabSessionParams | ? name -match "SourceHost").parentTemplates.templateid -status 1
        Clone host, while new host will be disabled
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match SourceHost | New-ZabbixHost @zabSessionParams -HostName NewHostName -IP 10.20.10.10 -TemplateID (Get-ZabbixHost @zabSessionParams | ? name -match "SourceHost").parentTemplates.templateid -Interfaces (Get-ZabbixHostInterface @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams -HostName SourceHost).hostid) -status 1
        Get-ZabbixHost @zabSessionParams | ? name -match NewHost | Get-ZabbixHostInterface @zabSessionParams | %{Set-ZabbixHostInterface @zabSessionParams -IP 10.20.10.10 -InterfaceID $_.interfaceid -Port $_.port -HostID $_.hostid}
        Get-ZabbixHost @zabSessionParams | ? name -match NewHost | %{$n=$_.name; Get-ZabbixHostInterface @zabSessionParams -HostID $_.hostid} | ft -a @{n="name";e={$n}},hostid,interfaceid,ip,port
        Clone the host with multiple interfaces, then update interfaces with new IP, then check the interfaces
    #>
    
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory=$True)][string]$HostName,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$false)][string]$IP,
        [string]$DNSName,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Port = 10050,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$status,
        [Parameter(Mandatory=$False)][string]$GroupID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$Groups,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$TemplateID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$Templates,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$Interfaces,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL,
        [Switch]$MonitorByDNSName
    )

    Switch ($MonitorByDNSName.IsPresent) {
        $False {$ByDNSName = 1} # = ByIP
        $True {$ByDNSName = 0} # = ByDomainName
    }
    
    if ($TemplateID.count -gt 5) {write-host "`nOnly up to 5 templates are allowed." -f red -b yellow; return} 
    
    if ($GroupID) {
        $Body = @{
            method = "host.create"
            params = @{
                host = $HostName
                interfaces = @{
                    type = 1
                    main = 1
                    useip = $ByDNSName
                    ip = $IP
                    dns = $DNSName
                    port = $Port
                }
                groups = @{
                    groupid = $GroupID
                }
                status = $Status
                templates = @(
                    @{templateid = $TemplateID[0]}
                    @{templateid = $TemplateID[1]}
                    @{templateid = $TemplateID[2]}
                    @{templateid = $TemplateID[3]}
                    @{templateid = $TemplateID[4]}
                )
            }
            
            jsonrpc = $jsonrpc
            auth = $session
            id = $id
        }
    }
    elseif ($interfaces) {
        $Body = @{
            method = "host.create"
            params = @{
                host = $HostName
                interfaces = $Interfaces
                groups = $Groups
                status = $Status
                templates = @(
                    @{templateid = $TemplateID[0]}
                    @{templateid = $TemplateID[1]}
                    @{templateid = $TemplateID[2]}
                    @{templateid = $TemplateID[3]}
                    @{templateid = $TemplateID[4]}
                )
            }
            
            jsonrpc = $jsonrpc
            auth = $session
            id = $id
        }
    }
    else {
        $Body = @{
            method = "host.create"
            params = @{
                host = $HostName
                interfaces = @{
                    type = 1
                    main = 1
                    useip = $ByDNSName
                    ip = $IP
                    dns = $DNSName
                    port = $Port
                }
                groups = $groups
                status = $Status
                templates = @(
                    @{templateid = $TemplateID[0]}
                    @{templateid = $TemplateID[1]}
                    @{templateid = $TemplateID[2]}
                    @{templateid = $TemplateID[3]}
                    @{templateid = $TemplateID[4]}
                )
            }
            
            jsonrpc = $jsonrpc
            auth = $session
            id = $id
        }
    }
    $BodyJSON = ConvertTo-Json $Body -Depth 3
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Set-ZabbixHost {
    <#
    .Synopsis
        Set/update host settings
    .Description
        Set/update host settings
    .Parameter HostID
        HostID
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq "host" | Set-ZabbixHost @zabSessionParams -status 0
        Enable host (-status 0)
    .Example
        (1..9) | %{(Get-ZabbixHost @zabSessionParams | ? name -eq "host0$_") | Set-ZabbixHost @zabSessionParams -status 1}
        Disable multiple hosts (-status 1)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match "hostName" | %{Set-ZabbixHost @zabSessionParams -status 1 -HostID $_.hostid -parentTemplates $_.parenttemplates}
        Disable multiple hosts
    .Example
        Get-ZabbixHost @zabSessionParams -HostName HostName | Set-ZabbixHost @zabSessionParams -removeTemplates -TemplateID (Get-ZabbixHost @zabSessionParams -HostName "Host").parentTemplates.templateid
        Unlink(remove) templates from host (case sensitive)
    .Example
        Get-ZabbixHost @zabSessionParams -HostName HostName | Set-ZabbixHost @zabSessionParams -TemplateID (Get-ZabbixHost @zabSessionParams -HostName SourceHost).parentTemplates.templateid
        Link(add) templates to the host, according config of other host (case sensitive)
    .Example
        (1..9) | %{Get-ZabbixHost @zabSessionParams -HostName "Host0$_" | Set-ZabbixHost @zabSessionParams -TemplateID ((Get-ZabbixHost @zabSessionParams | ? name -match "sourcehost").parenttemplates.templateid)}
        Link(add) templates to multiple hosts, according config of other host
    #>     
    
    [CmdletBinding()]
    Param (
        [Parameter(ValueFromPipelineByPropertyName=$true)]$HostName,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$HostID,
        [array]$TemplateID,
        [Parameter(ValueFromPipelineByPropertyName=$true)][array]$parentTemplates,
        [array]$GroupID,
        [array]$HttpTestID,
        [switch]$removeTemplates,
        [Parameter(ValueFromPipelineByPropertyName=$true)][string]$status,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$proxy_hostid,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    if ($TemplateID.count -gt 5) {write-host "`nOnly up to 5 templates are allowed." -f red -b yellow; return}
    
    if ($removeTemplates) {
        $Body = @{
            method = "host.update"
            params = @{
                hostid = $HostID
                status = $status
                host = $HostName
                templates_clear = @(
                    @{templateid = $TemplateID[0]}
                    @{templateid = $TemplateID[1]}
                    @{templateid = $TemplateID[2]}
                    @{templateid = $TemplateID[3]}
                    @{templateid = $TemplateID[4]}
                )
            }

            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    elseif ($TemplateID) { 
        $Body = @{
            method = "host.update"
            params = @{
                hostid = $HostID
                status = $status
                templates = @(
                    @{templateid = $TemplateID[0]}
                    @{templateid = $TemplateID[1]}
                    @{templateid = $TemplateID[2]}
                    @{templateid = $TemplateID[3]}
                    @{templateid = $TemplateID[4]}
                )
            }
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    else {
        $Body = @{
            method = "host.update"
            params = @{
                hostid = $HostID
                status = $status
                parenttemplates = $parenttemplates
                proxy_hostid = $proxy_hostid
            }
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    
    }
    
    $BodyJSON = ConvertTo-Json $Body -Depth 3
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Remove-ZabbixHost {
    <#
    .Synopsis
        Delete/Remove selected host
    .Description
        Delete/Remove selected host
    .Parameter HostID
        To filter by ID/IDs
    .Example
        Remove-ZabbixHost @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match "RetiredHosts").hostid -WhatIf
        Remove host(s) by name match (case insensitive) (check only: -WhatIf)
     .Example
        Remove-ZabbixHost @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match "RetiredHosts").hostid
        Remove host(s) by name match (case insensitive)
    .Example
        Remove-ZabbixHost @zabSessionParams -HostID "10001","10002"
        Remove hosts by IDs
    .Example
        Remove-ZabbixHost @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams -HostName HostRetired).hostid
        Remove single host by name (exact amtch, case sensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq HostName | Remove-ZabbixHost @zabSessionParams -WhatIf
        Remove single host (check only: -WhatIf)
     .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq HostName | Remove-ZabbixHost @zabSessionParams
        Remove single host
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match "HostName-0[1-8]" | %{Remove-ZabbixHost @zabSessionParams -HostID $_.hostid}
        Delete multiple hosts
    #>
    
    [CmdletBinding(SupportsShouldProcess,ConfirmImpact='High')]
    Param (
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "host.delete"
        params = @($HostID)
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }
    
    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    if ([bool]$WhatIfPreference.IsPresent) {
    }
    if ($PSCmdlet.ShouldProcess($HostID,"Delete")){  
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    }
    
    if ($a.result) {$a.result} else {$a.error}
 }

Function Get-ZabbixTemplate {
    <#
    .Synopsis
        Get templates
    .Description
        Get templates
    .Parameter TemplateName
        To filter by name of the template (case sensitive)
    .Parameter TemplateID
        To filter by id of the template
    .Example
        Get-ZabbixTemplate @zabSessionParams
        Get all templates
    .Example
        Get-ZabbixTemplate @zabSessionParams | select name,hosts
        Get templates and hosts
    .Example
        Get-ZabbixTemplate @zabSessionParams -TemplateName "Template OS Windows"
        Get template by name (case sensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match os | Get-ZabbixTemplate @zabSessionParams | select templateid,name -Unique
        Get templates by name match (case insensitive)
    .Example
        Get-ZabbixTemplate @zabSessionParams | ? {$_.hosts.host -match "host"} | select templateid,name
        Get templates linked to host by hostname.
    #>
    
    [CmdletBinding()]
    Param (
        $TemplateName,
        $TemplateID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    $Body = @{
        method = "template.get"
        params = @{
            output = "extend"
            selectHosts = "extend"
            filter = @{
                host = $TemplateName
            }
            templateids = $TemplateID
            hostids = $HostID
        }
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Get-ZabbixMaintenance {
    <#
    .Synopsis
        Get maintenance
    .Description
        Get maintenance
    .Parameter MaintenanceName
        To filter by name of the maintenance (case sensitive)
    .Parameter MaintenanceID
        To filter by id of the maintenance
    .Example
        Get-ZabbixMaintenance @zabSessionParams | select maintenanceid,name
        Get maintenance
    .Example
        Get-ZabbixMaintenance @zabSessionParams -MaintenanceName MaintenanceName
        Get maintenance by name (case sensitive)
    .Example
        Get-ZabbixMaintenance @zabSessionParams | ? name -match maintenance
        Get maintenance by name match (case insensitive)
    .Example
        Get-ZabbixMaintenance @zabSessionParams | ? name -match "" | select @{n="MaintenanceName";e={$_.name}} -ExpandProperty groups | ft -a
        Get maintenance by name match (case insensitive)
    .Example
        Get-ZabbixMaintenance @zabSessionParams -MaintenanceID 10123
        Get maintenance by ID
    .Example
        Get-ZabbixMaintenance @zabSessionParams | select maintenanceid,name,@{n="Active_since(UTC-5)";e={(convertFrom-epoch $_.active_since).addhours(-5)}},@{n="Active_till(UTC-5)";e={(convertFrom-epoch $_.active_till).addhours(-5)}},@{n="TimeperiodStart(UTC-5)";e={(convertfrom-epoch $_.timeperiods.start_date).addhours(-5)}},@{n="Duration(hours)";e={$_.timeperiods.period/3600}} | ft -a
        Get maintenance and it's timeperiod
    .Example
        (Get-ZabbixMaintenance @zabSessionParams -MaintenanceName MaintenanceName).timeperiods
        Get timeperiods from maintenance (case sensitive)
    .Example
        Get-ZabbixMaintenance @zabSessionParams | select -Property @{n="MaintenanceName";e={$_.name}} -ExpandProperty timeperiods | ft -a
        Get timeperiods from maintenance
    .Example
        Get-ZabbixMaintenance @zabSessionParams | select -Property @{n="MaintenanceName";e={$_.name}} -ExpandProperty timeperiods | select MaintenanceName,timeperiodid,timeperiod_type,@{n="start_date(UTC)";e={convertfrom-epoch $_.start_date}},@{n="period(Hours)";e={$_.period/3600}} | ft -a
        Get timeperiods maintenance and timeperiods (Time in UTC)
    .Example
        (Get-ZabbixMaintenance @zabSessionParams -MaintenanceName MaintenanceName).hosts.host
        Get hosts from maintenance (case sensitive)
    .Example
        (Get-ZabbixMaintenance @zabSessionParams -MaintenanceName MaintenanceName).hostid
        Get HostIDs of hosta from maintenance (case sensitive)
    .Example
        Get-ZabbixMaintenance @zabSessionParams | ? name -match maintenance | select Name,@{n="TimeperiodStart";e={(convertfrom-epoch $_.timeperiods.start_date).addhours(-5)}},@{n="Duration(hours)";e={$_.timeperiods.period/3600}}
        Get timeperiods from maintenance (case insensitive), display name, timeperiod (according UTC-5) and duration
    #>
    
    [CmdletBinding()]
    Param (
        $MaintenanceName,
        $MaintenanceID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    $Body = @{
        method = "maintenance.get"
        params = @{
            output = "extend"
            selectGroups = "extend"
            selectHosts = "extend"
            selectTimeperiods = "extend"
            filter = @{
                name = $MaintenanceName
            }
            maintenanceids = $MaintenanceID
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function New-ZabbixMaintenance {
    <#
    .Synopsis
        Create new maintenance
    .Description
        Create new maintenance
    .Parameter MaintenanceName
        Maintenance name (case sensitive)
    .Parameter MaintenanceDescription
        Maintenance Description
    .Parameter ActiveSince
        Maintenance start time (epoch time format)
    .Parameter ActiveTill
        Maintenance end time (epoch time format)
    .Parameter MaintenanceType
        Maintenance maintenance type (0 - (default) with data collection; 1 - without data collection)
    .Parameter TimeperiodType
        Maintenance TimeperiodType (0 - (default) one time only; 2 - daily; 3 - weekly; 4 - monthly)
    .Parameter TimeperiodStartTime
        Maintenance timeperiod's start time (epoch time format)
    .Parameter TimeperiodPeriod
        Maintenance timeperiod's period/duration (epoch time format)
    .Example
        New-ZabbixMaintenance @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match "hosts").hostid -MaintenanceName "NewMaintenance" -ActiveSince (convertTo-epoch ((get-date).addhours(0)).ToUniversalTime()) -ActiveTill (convertTo-epoch ((get-date).addhours(7)).ToUniversalTime()) -TimeperiodPeriod (4*3600)
        Create new maintenance for few hosts (time will be according Zabbix server time). Maintenance will be active for 7 hours from now, with Period 4 hours, which will start immediately
    .Example
        New-ZabbixMaintenance @zabSessionParams -HostID "10109","10110","10111","10112","10113","10114" -MaintenanceName NewMaintenanceName -MaintenanceDescription NewMaintenanceDescription -ActiveSince 1432584300 -ActiveTill 1432605900 -TimeperiodStartTime 1432584300 -TimeperiodPeriod 25200
        Create new maintenance (time (epoch format) will be according your PC (client) local time). Name and Description are case sensitive
    .Example
        New-ZabbixMaintenance @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match otherhost).hostid -MaintenanceName NewMaintenanceName -MaintenanceDescription NewMaintenanceDescription -ActiveSince (convertTo-epoch (get-date -date "05/25/2015 07:05")) -ActiveTill (convertTo-epoch (get-date -date "05/25/2015 17:05")) -TimeperiodPeriod (7*3600) -TimeperiodStartDate (convertTo-epoch (get-date -date "05/25/2015 09:05"))
        Create new, future maintenance (case sensitive) (time will be sent in UTC). Will be set on Zabbix server according it's local time.
    .Example
        $hosts=Get-Zabbixhost @zabSessionParams | ? name -match "host|anotherhost"
        $groups=(Get-ZabbixGroup @zabSessionParams | ? name -match "group")
        New-ZabbixMaintenance @zabSessionParams -HostID $hosts.hostid -GroupID $groups.groupid -MaintenanceName "NewMaintenanaceName" -ActiveSince (convertTo-epoch (convertTo-epoch ((get-date).addhours(0)).ToUniversalTime()) -ActiveTill (convertTo-epoch ((get-date).addhours(+4)).ToUniversalTime()) -TimeperiodPeriod (3*3600)
        Create new maintenance for few hosts (time will be according current Zabbix server time). Maintenanace Active from now for 4 hours, and Period with duration of 3 hours, sarting immediately
    #>

    [CmdletBinding()]
    Param (
        [Parameter(Mandatory=$True)][string]$MaintenanceName,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$false)][array]$GroupID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$false)][array]$HostID,
        $MaintenanceDescription,
        #Type of maintenance. Possible values: 0 - (default) with data collection; 1 - without data collection.
        $MaintenanceType,
        #epoch time
        [Parameter(Mandatory=$True)]$ActiveSince,
        #epoch time
        [Parameter(Mandatory=$True)]$ActiveTill,
        #Possible values: 0 - (default) one time only; 2 - daily; 3 - weekly; 4 - monthly.
        $TimePeriodType=0,
        #Time of day when the maintenance starts in seconds. Required for daily, weekly and monthly periods. (epoch time)
        $TimeperiodStartTime,
        #Date when the maintenance period must come into effect. Required only for one time periods. Default: current date. (epoch time)
        $TimeperiodStartDate,
        #epoch time
        [Parameter(Mandatory=$True)]$TimeperiodPeriod,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    if (!($GroupID -or $HostID)) {write-host "`nYou need to provide GroupID or HostID as parameter`n" -f red; return}
    
    if ($GroupID) {
        $Body = @{
            method = "maintenance.create"
            params = @{
                name = $MaintenanceName
                description = $MaintenanceDescription
                active_since = $ActiveSince
                active_till = $ActiveTill
                maintenance_type = $MaintenanceType
                timeperiods = @(
                    @{
                        timeperiod_type = $TimeperiodType
                        #start_time = $TimeperiodStartTime
                        start_date = $TimeperiodStartDate
                        period = $TimeperiodPeriod
                    }
                )
                groupids = @($groupid)
            }
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    if ($HostID) {
        $Body = @{
            method = "maintenance.create"
            params = @{
                name = $MaintenanceName
                description = $MaintenanceDescription
                active_since = $ActiveSince
                active_till = $ActiveTill
                maintenance_type = $MaintenanceType
                timeperiods = @(
                    @{
                        timeperiod_type = $TimeperiodType
                        start_date = $TimeperiodStartDate
                        #start_time = $TimeperiodStartTime
                        period = $TimeperiodPeriod
                    }
                )
                hostids = @($hostid)
            }
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    
    $BodyJSON = ConvertTo-Json $Body -Depth 4
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
 }

Function Remove-ZabbixMaintenance {
    <#
    .Synopsis
        Delete/Remove maintenance
    .Description
        Delete/Remove maintenance
    .Parameter MaintenanceID
        To filter by ID/IDs of the maintenance
    .Example
        Remove-ZabbixMaintenance @zabSessionParams -MaintenanceID "3","4"
        Remove maintenance by IDs
    .Example
        Remove-ZabbixMaintenance @zabSessionParams -MaintenanceID (Get-ZabbixMaintenance @zabSessionParams | ? name -match "Maintenance|Name").maintenanceid -WhatIf
        Remove multiple maintenances (check only: -WhatIf)
    .Example
        Remove-ZabbixMaintenance @zabSessionParams -MaintenanceID (Get-ZabbixMaintenance @zabSessionParams | ? name -match "Maintenance|Name").maintenanceid
        Remove multiple maintenances
    .Example
        Get-ZabbixMaintenance @zabSessionParams | ? name -eq name | Remove-ZabbixMaintenance @zabSessionParams
        Remove single maintenance by name
    #>
    
    [CmdletBinding(SupportsShouldProcess,ConfirmImpact='High')]
    Param (
        [Parameter(ValueFromPipelineByPropertyName=$true)][array]$MaintenanceID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
     $Body = @{
        method = "maintenance.delete"
        params = @($MaintenanceID)
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }
    
    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    
    if ([bool]$WhatIfPreference.IsPresent) {
    }
    if ($PSCmdlet.ShouldProcess($HostID,"Delete")){  
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    }
    
    if ($a.result) {$a.result} else {$a.error}
 }
 
Function Export-ZabbixConfig {
    <#
    .Synopsis
        Export configuration
    .Description
        Export configuration
    .Parameter GroupID
        GroupID: groups - (array) IDs of host groups to export.
    .Parameter HostID
        HostID - (array) IDs of hosts to export
    .Parameter TemplateID
        TemplateID - (array) IDs of templates to export.
    .Parameter Format
        Format: XML (default) or JSON.
    .Example
        Export-ZabbixConfig @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match host).hostid
        Export hosts configuration
    .Example
        Export-ZabbixConfig @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match host).hostid | clip
        Capture to clipboard exported hosts configurarion
    .Example
        Export-ZabbixConfig @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match host).hostid | sc c:\zabbix-hosts-export.xml
        Export hosts configuration to xml file
    .Example
        Export-ZabbixConfig @zabSessionParams -TemplateID (Get-ZabbixTemplate @zabSessionParams | ? name -match TemplateName).templateid | sc c:\zabbix-templates-export.xml
        Export template configuration to xml file
    #>
    [CmdletBinding()]
    Param (
        [array]$HostID,
        [array]$GroupID,
        [array]$TemplateID,
        [string]$Format="xml",
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
        $Body = @{
        method = "configuration.export"
        params = @{
            options = @{
                hosts = @($HostID)
                templates = @($TemplateID)
                groups = @($GroupID)
            }
        format = $format
        }
        
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
        }

    $BodyJSON = ConvertTo-Json $Body -Depth 3
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Get-ZabbixAlert { 
    <#
    .Synopsis
        Get alerts
    .Parameter HostID
        HostID
    .Example
        Get-ZabbixAlert @zabSessionParams | ? sendto -match email | select @{n="Time(UTC)";e={convertfrom-epoch $_.clock}},alertid,sendto,subject
        Get alarms from last 5 hours (default). Time display in UTC/GMT (default)
    .Example
        Get-ZabbixAlert @zabSessionParams | ? sendto -match email | select @{n="Time(UTC+1)";e={(convertfrom-epoch $_.clock).addhours(+1)}},alertid,subject
        Get alarms from last 5 hours (default). Time display in UTC+1
    .Example
        Get-ZabbixAlert @zabSessionParams | ? sendto -match email | select @{n="Time(UTC-5)";e={(convertfrom-epoch $_.clock).addhours(-5)}},alertid,subject
        Get alarms from last 5 hours (default). Time display in UTC-5
    .Example
        Get-ZabbixAlert @zabSessionParams | ? sendto -match email | ? subject -match OK | select @{n="Time(UTC)";e={convertfrom-epoch $_.clock}},alertid,sendto,subject
        Get alerts with OK status
    .Example
        Get-ZabbixAlert @zabSessionParams -TimeFrom (convertTo-epoch (((get-date).ToUniversalTime()).addhours(-10))) -TimeTill (convertTo-epoch (((get-date).ToUniversalTime()).addhours(-2))) | ? sendto -match mail | ? subject -match "" | select @{n="Time(UTC)";e={convertfrom-epoch $_.clock}},alertid,sendto,subject
        Get alerts within custom timewindow of 8 hours (-timeFrom, -timeTill in UTC/GMT). Time display in UTC/GMT (default)
    .Example
        Get-ZabbixAlert @zabSessionParams -TimeFrom (convertTo-epoch (((get-date).ToUniversalTime()).addhours(-5))) -TimeTill (convertTo-epoch ((get-date).ToUniversalTime()).addhours(0)) | ? sendto -match mail | select @{n="Time UTC";e={convertfrom-epoch $_.clock}},alertid,sendto,subject
        Get alerts for last 5 hours
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match "server-01" | Get-ZabbixAlert @zabSessionParams | ? sendto -match mail | select @{n="Time(UTC-5)";e={(convertfrom-epoch $_.clock).addhours(-5)}},alertid,subject
        Works for single host (name case insensitive). Get alerts for host from last 5 hours (default). Display time in UTC-5
    .Example
        Get-ZabbixHost @zabSessionParams -HostName "Server-01" | Get-ZabbixAlert @zabSessionParams -ea silent | ? sendto -match email | select @{n="Time(UTC-5)";e={(convertfrom-epoch $_.clock).addhours(-5)}},alertid,subject
        Works for single host (name case sensitive). Get alerts for host from last 5 hours (default). Display time in UTC-5
    .Example
        Get-ZabbixAlert @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match "Host|OtherHost").hostid | ? sendto -match email | select @{n="Time(UTC-5)";e={(convertfrom-epoch $_.clock).addhours(-5)}},alertid,subject
        Works for multiple hosts. Get alerts for hosts from last 5 hours (default). Display time in UTC-5
    .Example
        Get-ZabbixAlert @zabSessionParams -TimeFrom (convertTo-epoch ((get-date -date "05/25/2015 9:00").ToUniversalTime()).addhours(0)) -TimeTill (convertTo-epoch ((get-date -date "05/25/2015 14:00").ToUniversalTime()).addhours(0)) | ? sendto -match mail | select @{n="Time(UTC)";e={(convertfrom-epoch $_.clock).addhours(0)}},alertid,subject
        Get alerts between two dates (in UTC), present time in UTC
    #>
    
    [cmdletbinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        #epoch time
        #"Time from to display alerts. Default: -2, from three hours ago. Time is in UTC/GMT"
        $TimeFrom=(convertTo-epoch ((get-date).addhours(-5)).ToUniversalTime()),
        #epoch time
        #"Time until to display alerts. Default: till now. Time is in UTC/GMT"
        $TimeTill=(convertTo-epoch ((get-date).addhours(0)).ToUniversalTime()),
        [array] $SortBy="clock",
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "alert.get"
        params = @{
            output = "extend"
            time_from = $timeFrom
            time_till = $timeTill
            selectMediatypes = "extend"
            selectUsers = "extend"
            selectHosts = @(
                "hostid",
                "name"
            )
            hostids = $HostID
            sortfield = @($sortby)
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Get-ZabbixUser { 
    <#
    .Synopsis
        Get users
    .Parameter SortBy
        Sort output by (userid, alias (default)), not mandatory
    .Parameter getAccess
        Adds additional information about user permissions (default=$true), not mandatory
    .Example
        Get-ZabbixUser @zabSessionParams | select userid,alias,attempt_ip,@{n="attempt_clock(UTC)";e={convertfrom-epoch $_.attempt_clock}},@{n="usrgrps";e={$_.usrgrps.name}}
        Get user
    .Example
        Get-ZabbixUser @zabSessionParams | ? alias -match alias | select userid,alias,attempt_ip,@{n="attempt_clock(UTC)";e={convertfrom-epoch $_.attempt_clock}},@{n="usrgrps";e={$_.usrgrps.name}}
        Get user
    .Example
        Get-ZabbixUser @zabSessionParams | select name, alias, attempt_ip, @{n="attempt_clock (UTC-5)"; e={((convertfrom-epoch $_.attempt_clock)).addhours(-5)}},@{n="usrgrps";e={$_.usrgrps.name}} | ft -a
        Get user
    #>
    
    [cmdletbinding()]
    Param (
        [array]$SortBy="alias",
        [switch]$getAccess=$true,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "user.get"
        params = @{
            output = "extend"
            selectMedias = "extend"
            selectMediatypes = "extend"
            selectUsrgrps = "extend"
            sortfield = @($sortby)
            getAccess = $getAccess
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Remove-ZabbixUser { 
    <#
    .Synopsis
        Remove/Delete users
    .Parameter UserID
        UserID
    .Example
        Get-ZabbixUser @zabSessionParams | ? alias -eq "alias" | Remove-ZabbixUser @zabSessionParams -WhatIf
        Delete one user
    .Example
        Remove-ZabbixUser @zabSessionParams -UserID (Get-ZabbixUser @zabSessionParams | ? alias -match "alias").userid
        Delete multiple users by alias match
    #>
    
    [cmdletbinding(SupportsShouldProcess,ConfirmImpact='High')]
    Param (
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][array]$UserID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "user.delete"
        params = @($UserID)
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    if ([bool]$WhatIfPreference.IsPresent) {
    }
    if ($PSCmdlet.ShouldProcess($UserID,"Delete")){  
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    }
    
    if ($a.result) {$a.result} else {$a.error}
}

Function Set-ZabbixUser { 
    <#
    .Synopsis
        Set user properties
    .Parameter UserID
        UserID
    .Example
        Get-ZabbixUser @zabSessionParams | ? alias -match "alias" | Set-ZabbixUser @zabSessionParams -Name NewName -Surname NewSurname -rows_per_page 100
        Set user properties
    .Example
        Get-Zabbixuser @zabSessionParams | ? alias -match "alias" | Set-ZabbixUser @zabSessionParams -usrgrps (Get-ZabbixUserGroup @zabSessionParams | ? name -match disable).usrgrpid
        Disable user (by moving him to usrgrp Disabled)
    #>    
    
    [cmdletbinding()]
    Param (
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$UserID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][array]$usrgrpid,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Alias,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Passwd,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$sendto,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$usrgrps,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$medias,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$rows_per_page,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$UserMediaActive=1,
        #[Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$medias,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Name,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Surname,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "user.update"
        params = @{
            userid = $UserID
            name = $Name
            surname = $Surname
            alias = $Alias
            passwd = $Passwd
            usrgrps = $usrgrps
            rows_per_page = $Rows_Per_Page
            medias = $medias
        }
        
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }
    
    
    $BodyJSON = ConvertTo-Json $Body -Depth 3
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function New-ZabbixUser { 
    <#
    .Synopsis
        Create new users
    .Parameter UserID
        UserID
    .Example
        New-ZabbixUser @zabSessionParams -Name NewName -Surname NewSurname -Alias first.surname -passwd "123456" -sendto first.last@domain.com -MediaActive 0 -rows_per_page 100 -Refresh 300 -usrgrps (Get-ZabbixUserGroup @zabSessionParams | ? name -match "disabled|administrator").usrgrpid
        Create new user
    .Example
        Import-Csv C:\zabbix-users.csv | %{New-ZabbixUser @zabSessionParams -Name $_.Name -Surname $_.Surname -Alias $_.alias -passwd $_.passwd -sendto $_.sendto -MediaActive $_.MediaActive -rows_per_page $_.rows_per_page -Refresh $_.refresh -usrgrps (Get-ZabbixUserGroup @zabSessionParams | ? name -match "guest").usrgrpid}
        Mass create new users
    .Example
        Get-ZabbixUser @zabSessionParams | ? alias -match "SourceUser" | New-ZabbixUser @zabSessionParams -Name NewName -Surname NewSurname -Alias first.last -passwd "123456" -sendto first@first.com -MediaActive 0 -rows_per_page 100 -Refresh 300
        Clone user. Enable media (-UserMediaActive 0)
    .Example
        Get-Zabbixuser @zabSessionParams | ? alias -match "SourceUser" | New-ZabbixUser @zabSessionParams -Name NewName -Surname NewSurname -Alias first.last -passwd "123456"
        Clone user
    .Example
        Get-ZabbixUser @zabSessionParams | ? alias -match "User" | New-ZabbixUser @zabSessionParams -Name NewName -Surname NewSurname -Alias first.last -passwd "123456" -usrgrps (Get-ZabbixUserGroup @zabSessionParams | ? name -match disabled).usrgrpid
        Clone user, but disable it (assign to usrgrp Disabled)
    #>    
    
    [cmdletbinding()]
    Param (
        [switch]$getAccess=$true,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$Alias,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$Passwd,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Severity="63",
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Period="1-7,00:00-24:00",
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Sendto,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$usrgrps,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$rows_per_page,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$MediaActive=1,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$medias,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$mediaTypes,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Refresh,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Name,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Surname,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    if (!$sendto -or !$MediaActive) {
        $Body = @{
            method = "user.create"
            params = @{
                name = $name
                surname = $surname
                alias = $alias
                passwd = $passwd
                usrgrps = $usrgrps
                rows_per_page = $rows_per_page
                refresh = $refresh
                getAccess = $getAccess
                medias = $medias
                mediatypes = $mediaTypes
            }
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    else {
        $Body = @{
            method = "user.create"
            params = @{
                name = $name
                surname = $surname
                alias = $alias
                passwd = $passwd
                usrgrps = $usrgrps
                rows_per_page = $rows_per_page
                refresh = $refresh
                getAccess = $getAccess
                user_medias = @(
                    @{
                        #mediaid = "1"
                        mediatypeid = "1"
                        sendto = $Sendto
                        active = $MediaActive
                        severity = $Severity
                        period = $Period
                    }
                )
            }
        
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }

    $BodyJSON = ConvertTo-Json $Body -Depth 3
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Get-ZabbixUserGroup { 
    <#
    .Synopsis
        Get user groups
    .Description
        Get user groups
    .Parameter SortBy
        Sort output by (usrgrpid, name (default)), not mandatory
    .Parameter getAccess
        adds additional information about user permissions (default=$true), not mandatory
    .Example
        Get-ZabbixUserGroup @zabSessionParams | select usrgrpid,name
        Get groups
    .Example
        (Get-ZabbixUserGroup @zabSessionParams | ? name -match administrators).users | select alias,users_status
        Get users in group.
    #>
    
    [cmdletbinding()]
    Param (
        [array]$SortBy="name",
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)]$status,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$userids,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "usergroup.get"
        params = @{
            output = "extend"
            selectUsers = "extend"
            userids = $userids
            status = $status
            sortfield = @($sortby)
        }
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Get-ZabbixTrigger {
    <#
    .Synopsis
        Get triggers
    .Description
        Get triggers
    .Parameter TriggerID
        To filter by ID of the trigger
    .Example
        Get-ZabbixTrigger @zabSessionParams | ? status -eq 0 | ? expression -match fs.size | select status,description,expression | sort description
        Get enabled triggers
    .Example
        Get-ZabbixTemplate @zabSessionParams | ? name -match "TemplateName" | Get-ZabbixTrigger @zabSessionParams | select description,expression
        Get triggers from template
    .Example
        Get-ZabbixTrigger @zabSessionParams -TemplateID (Get-ZabbixTemplate @zabSessionParams | ? name -match Template).templateid -ExpandDescription -ExpandExpression | ft -a status,description,expression
        Get triggers by templateid (-ExpandDescription and -ExpandExpression will show full text instead of ID only)
    .Example
        Get-ZabbixTrigger @zabSessionParams -ExpandDescription -ExpandExpression | ? description -match "Template" | select description,expression
        Get triggers where description match the string (-ExpandDescription and -ExpandExpression will show full text instead of ID only)
    .Example
        Get-ZabbixTrigger @zabSessionParams -TemplateID (Get-ZabbixTemplate @zabSessionParams | ? name -match "Template").templateid | select description,expression
        Get list of triggers from templates
    .Example
        Get-ZabbixHost @zabSessionParams -HostName HostName | Get-ZabbixTrigger @zabSessionParams -ea silent | ? status -match 0 | ft -a status,templateid,description,expression
        Get triggers for host (status 0 == enabled, templateid 0 == assigned directly to host, not from template)
    #>
    
    [CmdletBinding()]
    Param (
        [switch]$ExpandDescription,
        [switch]$ExpandExpression,
        [array]$TriggerID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$TemplateID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "trigger.get"
        params = @{
            output = "extend"
            selectFunctions = "extend"
            selectLastEvent = "extend"
            selectGroups = "extend"
            selectHosts = "extend"
            expandDescription = $ExpandDescription
            expandExpression = $ExpandExpression
            triggerids = $TriggerID
            templateids = $TemplateID
            hostids = $HostID
        }
        
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Set-ZabbixTrigger {
    <#
    .Synopsis
        Set/Update trigger settings
    .Description
        Set/Update trigger settings
    .Parameter TriggerID
        TriggerID
    .Example
        Get-ZabbixTrigger @zabSessionParams -TemplateID (Get-zabbixTemplate @zabSessionParams | ? name -match "Template Name").templateid | ? description -match "trigger description" | Set-ZabbixTrigger @zabSessionParams -status 1
        Disable trigger
    .Example
        Get-ZabbixTemplate @zabSessionParams | ? name -match "Template" | Get-ZabbixTrigger @zabSessionParams | ? description -match triggerDescription | set-ZabbixTrigger @zabSessionParams -status 0
        Enable trigger
    #>

    [CmdletBinding()]
    Param (
        [Parameter(ValueFromPipelineByPropertyName=$true)]$TriggerID,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$status,
        [switch]$ExpandDescription,
        [switch]$ExpandExpression,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$TemplateID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "trigger.update"
        params = @{
            triggerid = $TriggerID
            status = $status
        }
        
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }
    

    $BodyJSON = ConvertTo-Json $Body
    write-host $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Get-ZabbixAction { 
    <#
    .Synopsis
        Get actions
    .Description
        Get actions
    .Example
        Get-ZabbixAction @zabSessionParams
    .Example
        Get-ZabbixAction @zabSessionParams | select name
    .Example
        Get-ZabbixAction @zabSessionParams | ? name -match action | select name,def_longdata,r_longdata
    #>
    [cmdletbinding()]
    Param (
        [array] $SortBy="name",
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "action.get"
        params = @{
            output = "extend"
            selectOperations = "extend"
            selectFilter = "extend"
            sortfield = @($sortby)
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Set-ZabbixAction { 
    <#
    .Synopsis
        Set/Update action settings
    .Description
        Set/Update action settings
    .Example
        Get-ZabbixAction @zabSessionParams | ? name -match actionName | Set-ZabbixAction @zabSessionParams -status 1
        Disable action by name match
    #>
    
    [cmdletbinding()]
    Param (
        [array] $SortBy="name",
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)]$status,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)]$ActionID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "action.update"
        params = @{
            actionid = $ActionID
            status = $status
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Get-ZabbixApplication {
    <#
    .Synopsis
        Get applications
    .Description
        Get applications
    .Parameter HostID
        Get by HostID
    .Parameter TemplateID
        Get by TemplateID
    .Example
        Get-ZabbixApplication @zabSessionParams | ? name -match "appname" | ft -a applicationid,name,hosts
        Get applications by name match
    .Example
        Get-ZabbixHost @zabSessionParams -HostName HostName | Get-ZabbixApplication @zabSessionParams -ea silent | ft -a applicationid,name,hosts
        Get applications by hostname (case sensitive)
    .Example
        Get-ZabbixApplication @zabSessionParams | ? name -match "appname" | ? hosts -match host | ft -a applicationid,name,hosts
        Get applications by name and by hostname matches
    .Example
        Get-ZabbixApplication @zabSessionParams -TemplateID (Get-ZabbixTemplate @zabSessionParams | ? name -match templateName).templateid | ? name -match "" | ft -a applicationid,name,hosts
        Get applications by TemplateID
    .Example
        Get-ZabbixTemplate @zabSessionParams | ? name -match TemplateName | %{Get-ZabbixApplication @zabSessionParams -TemplateID $_.templateid } | ft -a applicationid,name,hosts
        Same as above one: Get applications by TemplateID
    .Example
        Get-ZabbixGroup @zabSessionParams -GroupName "GroupName" | Get-ZabbixApplication @zabSessionParams
        Get applications by GroupName
    #>
    
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$TemplateID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$GroupID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    $Body = @{
        method = "application.get"
        params = @{
            output = "extend"
            selectHosts = @(
                "hostid",
                "host"
            )
            sortfield = "name"
            hostids = $HostID
            groupids = $GroupID
            templateids = $TemplateID
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Get-ZabbixHostInterface { 
    <#
    .Synopsis
        Get host interface
    .Description
        Get host interface
    .Example
        Get-ZabbixHostInterface @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams -HostName ThisHost).hostid
        Get interface(s) for single host (case sensitive)
    .Example
        Get-ZabbixHostInterface @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match hostName).hostid
        Get interface(s) for multiple hosts (case insensitive)
    .Example
        Get-ZabbixHost @zabSessionParams -HostName HostName | Get-ZabbixHostInterface @zabSessionParams
        Get interface(s) for single host (case sensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match hostsName | %{$n=$_.name; Get-ZabbixHostInterface @zabSessionParams -HostID $_.hostid} | select @{n="name";e={$n}},hostid,interfaceid,ip,port | sort name | ft -a
        Get interface(s) for the host(s)
    #>
    [cmdletbinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "hostinterface.get"
        params = @{
            output = "extend"
            hostids = $HostID
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Set-ZabbixHostInterface { 
    <#
    .Synopsis
        Set host interface
    .Description
        Set host interface
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match host | Get-ZabbixHostInterface @zabSessionParams | %{Set-ZabbixHostInterface @zabSessionParams -IP 10.20.10.10 -InterfaceID $_.interfaceid -HostID $_.hostid -Port $_.port}
        Set new IP to multiple host interfaces
    #>
    [cmdletbinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$HostID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$InterfaceID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$IP,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Port,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "hostinterface.update"
        params = @{
            hostid = $HostID
            interfaceid = $InterfaceID
            port = $Port
            ip = $IP
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Get-ZabbixHttpTest {
    <#
    .Synopsis
        Get web/http tests
    .Description
        Get web/http tests
    .Parameter HttpTestName
        To filter by name of the http test
    .Example
        Get-ZabbixHttpTest @zabSessionParams
        Get web/http tests
    .Example
        Get-ZabbixHttpTest @zabSessionParams | ? name -match httpTest | select httptestid,name
        Get web/http test by name match (case insensitive)
    .Example
        Get-ZabbixHttpTest @zabSessionParams | ? name -match httpTest | select steps | select -first 1 | fl *
        Get web/http test by name match, first occurrence
    .Example
        Get-ZabbixHttpTest @zabSessionParams | ? name -like "test*Name" | ? {$_.hosts.host -match "Template name"}) | select name,@{e={$_.steps.url}},@{n='host';e={$_.hosts.host}} -Unique | sort host
        Get web/http test by name (case insensitive)
    .Example
        Get-ZabbixHttpTest @zabSessionParams -HttpTestID 96
        Get web/http test by ID
    .Example
        (Get-ZabbixHttpTest @zabSessionParams -HttpTestName HttpTestName).hosts.host
        Get hosts with web/http test by name match (case sensitive)
    .Example
        Get-ZabbixHttpTest @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match host).hostid | select name,steps
        Get web/http tests by hostname match (case insensitive)
    .Example
        (Get-ZabbixTemplate @zabSessionParams ) | ? name -eq "Template Name" | get-ZabbixHttpTest @zabSessionParams | select name,steps
        Get web/http tests by template name
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match host | Get-ZabbixHttpTest @zabSessionParams | select name
        Get web/http tests for hostname match (works for single host)
    .Example
        Get-ZabbixHttpTest @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -eq hostnname).hostid | ? name -match "httpTest" | fl httptestid,name,steps
        Get web/http test for host by name (case insensitive), and filter web/hhtp test by test name match (case insensitive)
    .Example
        Get-ZabbixHttpTest -HttpTestName SomeHTTPtest @zabSessionParams | select -Unique
        Get web/http test by name (case sensitive)
    .Example
        Get-ZabbixHttpTest -HttpTestName HTTPTestName @zabSessionParams | select name,@{n="host";e={$_.hosts.host}}
        Get web/http test by name (case sensitive) and hosts it is assigned to
    .Example
        (Get-ZabbixHttpTest @zabSessionParams | ? name -eq "HTTPtestName").hosts.host | sort
        Get hosts by web/http test's name (case insensitive)
    .Example
        (Get-ZabbixHttpTest @zabSessionParams | ? name -eq "httpTestName").hosts.host | ? {$_ -notmatch "template"} | sort
        Get only hosts by web/http test name, sorted (templates (not hosts) are sortrd out)
    .Example
        Get-ZabbixHttpTest @zabSessionParams | ? name -match httpTestName | select name, @{n="required";e={$_.steps.required}} -Unique
        Get web/http test name and field required
    .Example
        Get-ZabbixHttpTest @zabSessionParams | ? name -match httpTestName | select name, @{n="url";e={$_.steps.url}} -Unique
        Get web/http test name and field url
    #>
    
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HttpTestID,
        $HttpTestName,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$TemplateID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    if (!$hostid) {
        $Body = @{
            method = "httptest.get"
            params = @{
                output = "extend"
                selectHosts = "extend"
                selectSteps = "extend"
                httptestids = $HttpTestID
                templateids = $TemplateID
                filter = @{
                    name = $HttpTestName
                }
            }
            
            selectHosts = @(
                "hostid",
                "name"
            )
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    if ($HostID) {
        $Body = @{
            method = "httptest.get"
            params = @{
                output = "extend"
                selectHosts = "extend"
                selectSteps = "extend"
                httptestids = $HttpTestID
                hostids = @($hostid)
                filter = @{
                    name = $HttpTestName
                }
            }
            
            selectHosts = @(
                "hostid",
                "name"
            )
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    
    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function New-ZabbixHttpTest {
    <#
    .Synopsis
        Create web/http test
    .Description
        Create web/http test
    .Parameter HttpTestName
        web/http test name
    .Example
        New-ZabbixHttpTest @zabSessionParams -HttpTestName NewHttpTest -HttpTestStepURL "http://{HOST.CONN}:30555/health-check/do" -HttpTestStepRequired "version" -HostID (Get-ZabbixHost @zabSessionParams -HostName HostName).hostid
        Create new web/http test for server/template
    .Example
        Get-ZabbixTemplate @zabSessionParams | ? name -eq "Template Name" | Get-ZabbixHttpTest @zabSessionParams | ? name -match httpTestSource | New-ZabbixHttpTest @zabSessionParams -HttpTestName NewHttpName
        Clone web/http test in template
    #>
    
    [CmdletBinding()]
    Param (
        $HttpTestID,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$HostID,
        $HttpTestStepRequired,
        [Parameter(ValueFromPipelineByPropertyName=$true)][array]$StatusCodes=200,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$Timeout=15,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$status,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$Steps,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$applicationid,
        [Parameter(ValueFromPipelineByPropertyName=$true)]$TemplateID,
        $HttpTestStepName,
        [Parameter(Mandatory=$True)]$HttpTestName,
        #[Parameter(Mandatory=$True)]$HttpTestStepURL,
        [Parameter(Mandatory=$false)]$HttpTestStepURL,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    if ($steps) {
        $Body = @{
            method = "httptest.create"
            params = @{
                name = $HttpTestName
                hostid = $HostID
                templateid = $TemplateID
                applicationid = $applicationid
                status = $status
                steps = $steps
            }
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    else {
        $Body = @{
            method = "httptest.create"
            params = @{
                name = $HttpTestName
                hostid = $HostID
                templateid = $TemplateID
                applicationid = $applicationid
                status = $status
                steps = @(
                    @{
                        name = $HttpTestStepName
                        url = $HttpTestStepURL
                        status_codes = $StatusCodes
                        required = $HttpTestStepRequired
                        follow_redirects = 1
                        timeout = $Timeout
                    }
                ) 
            }
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    $BodyJSON = ConvertTo-Json $Body -Depth 3
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Set-ZabbixHttpTest {
    <#
    .Synopsis
        Set/Update web/http test
    .Description
        Set/Update web/http test
    .Parameter HttpTestName
        web/http test name
    .Example
        Set-ZabbixHttpTest @zabSessionParams -HttpTestID (Get-ZabbixHttpTest @zabSessionParams -HttpTestName TestOldName ).httptestid -HttpTestName "testNewName" -status 0
        Enable (-status 0) web/http test and rename it (case sensitive)
    .Example
        Get-ZabbixHttpTest @zabSessionParams -HttpTestName httpTest | Set-ZabbixHttpTest @zabSessionParams -status 1
        Disable web/http test (-status 1)
    .Example
        Set-ZabbixHttpTest @zabSessionParams -HttpTestID (Get-ZabbixHttpTest @zabSessionParams -HttpTestName testName).httptestid -UpdateSteps -HttpTestStepName (Get-ZabbixHttpTest -HttpTestName testName).steps.name -HttpTestStepURL (Get-ZabbixHttpTest @zabSessionParams -HttpTestName SourceHttpTestName).steps.url
        Replace test steps' URL by other URL, taken from "othertest"
    .Example
        Set-ZabbixHttpTest @zabSessionParams -HttpTestID (Get-ZabbixHttpTest @zabSessionParams | ? name -like "test*Name" | ? {$_.hosts.host -match "Template"}).httptestid -UpdateSteps -HttpTestStepName "NewTestName" -HttpTestStepURL "http://10.20.10.10:30555/health-check/do"
        Edit web/http test, update name and test url
    #>

    [CmdletBinding()]
    Param (
        [Parameter(ValueFromPipelineByPropertyName=$true)]$HttpTestID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)]$HttpTestName,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)]$HttpTestStepURL,
        $HostID,
        $HttpTestStepName,
        $HttpTestStepRequired,
        $status,
        [switch]$UpdateSteps,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    if ($UpdateSteps) 
    {
        $Body = @{
            method = "httptest.update"
            params = @{
                httptestid = $HttpTestID
                status = $status
                name = $HttpTestName
                steps = @(
                    @{
                        name = $HttpTestStepName
                        url = $HttpTestStepURL
                        status_codes = 200
                        required = $HttpTestStepRequired
                        follow_redirects = 1
                        timeout = 15
                    }
                ) 
            }
            
            jsonrpc = $jsonrpc
            id = $id
            auth = $session
        }
    }
    else 
    {
        $Body = @{
        method = "httptest.update"
        params = @{
            httptestid = $HttpTestID
            status = $status
            name = $HttpTestName
        }
        
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
        }
    }

    $BodyJSON = ConvertTo-Json $Body -Depth 3
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Remove-ZabbixHttpTest {
    <#
    .Synopsis
        Delete web/http test
    .Description
        Delete web/http test
    .Parameter HttpTestName
        web/http test name
    .Example
        Remove-ZabbixHttpTest @zabSessionParams -HttpTestID (Get-ZabbixTemplate @zabSessionParams | ? name -eq "Template Name" | Get-ZabbixHttpTest @zabSessionParams | ? name -match httpTests).httptestid
        Delete web/http tests
    .Example
        Get-ZabbixTemplate @zabSessionParams | ? name -eq "Template Name" | Get-ZabbixHttpTest @zabSessionParams | ? name -match httpTest | %{Remove-ZabbixHttpTest @zabSessionParams -HttpTestID $_.HttpTestID}
        Delete web/http tests
    #>

    [CmdletBinding(SupportsShouldProcess,ConfirmImpact='High')]
    Param (
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][array]$HttpTestID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "httptest.delete"
        params = @($HttpTestID)
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body -Depth 3
    write-verbose $BodyJSON
    
    if ([bool]$WhatIfPreference.IsPresent) {
        ##
    }
    if ($PSCmdlet.ShouldProcess($HostID,"Delete")){  
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    }
    
    if ($a.result) {$a.result} else {$a.error}
}

Function Get-ZabbixHostInterface { 
    <#
    .Synopsis
        Get host interface
    .Description
        Get host interface
    .Example
        Get-ZabbixHostInterface @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams -HostName TheseHosts).hostid
        Get Hosts interfaces
    .Example
        Get-ZabbixHost @zabSessionParams -HostName host-01 | Get-ZabbixHostInterface @zabSessionParams | ft -a
        Get single host interface information
    .Example
         Get-ZabbixHostInterface @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match host).hostid | ft -a
         Get multiple hosts interface information
    .Example
        Get-ZabbixHostInterface @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams -HostName ThisHost).hostid
        Get interface(s) for single host (case sensitive)
    .Example
        Get-ZabbixHostInterface @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match hostName).hostid
        Get interface(s) for multiple hosts (case insensitive)
    .Example
        Get-ZabbixHost @zabSessionParams -HostName HostName | Get-ZabbixHostInterface @zabSessionParams
        Get interface(s) for single host (case sensitive)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match hostsName | %{$n=$_.name; Get-ZabbixHostInterface @zabSessionParams -HostID $_.hostid} | ft -a @{n="name";e={$n}},hostid,interfaceid,ip,port
        Get interface(s) for the host(s)
    #>
    [cmdletbinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "hostinterface.get"
        params = @{
            output = "extend"
            hostids = $HostID
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Set-ZabbixHostInterface { 
    <#
    .Synopsis
        Set host interface
    .Description
        Set host interface
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match host | Get-ZabbixHostInterface @zabSessionParams | %{Set-ZabbixHostInterface @zabSessionParams -IP 10.20.10.12 -Verbose -InterfaceID $_.interfaceid -HostID $_.hostid -Port $_.port}
        Modify interface settings for the host
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match host | Get-ZabbixHostInterface @zabSessionParams | %{Set-ZabbixHostInterface @zabSessionParams -InterfaceID $_.interfaceid -IP 10.20.10.15 -Port $_.port -HostID $_.hostid}
    .Example
        (1..100) | %{Get-ZabbixHost @zabSessionParams | ? name -match "host0$_" | Get-ZabbixHostInterface @zabSessionParams | ? port -match 31721 | Set-ZabbixHostInterface @zabSessionParams -main 1}
    #>
    [cmdletbinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$HostID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$InterfaceID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$IP,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Port,
        #Main: Possible values are: 0 - not default; 1 - default.
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$main,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "hostinterface.update"
        params = @{
            hostid = $HostID
            interfaceid = $InterfaceID
            port = $Port
            ip = $IP
            main = $main
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function New-ZabbixHostInterface { 
    <#
    .Synopsis
        Create host interface
    .Description
        Create host interface
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match host | New-ZabbixHostInterface @zabSessionParams -IP 10.20.10.15 -port 31721
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match "host01" | New-ZabbixHostInterface @zabSessionParams -Port 31721 -type 4 -main 1 -ip (Get-ZabbixHost @zabSessionParams | ? name -match "host01").interfaces.ip
    .Example
        (1..100) | %{Get-ZabbixHost @zabSessionParams | ? name -match "host0$_" | New-ZabbixHostInterface @zabSessionParams -Port 31702 -type 4 -main 1 -ip (Get-ZabbixHost @zabSessionParams | ? name -match "host0$_").interfaces.ip}
        (1..100) | %{Get-ZabbixHost @zabSessionParams | ? name -match "host0$_" | New-ZabbixHostInterface @zabSessionParams -Port 31721 -type 4 -main 0 -ip (Get-ZabbixHost @zabSessionParams | ? name -match "host0$_").interfaces.ip[0]}
    .Example
        (1..100) | %{Get-ZabbixHost @zabSessionParams | ? name -match "host0$_" | Get-ZabbixHostInterface @zabSessionParams | ? port -match 31751 | Set-ZabbixHostInterface @zabSessionParams -main 0}
        Make existing JMX port not default
        (1..100) | %{Get-ZabbixHost @zabSessionParams | ? name -match "host0$_" | New-ZabbixHostInterface @zabSessionParams -Port 31771 -type 4 -main 1 -ip (Get-ZabbixHost @zabSessionParams | ? name -match "host0$_").interfaces.ip[0]}
        Create new JMX connection and set it default
        Get-ZabbixItem @zabSessionParams -HostId (Get-ZabbixHost @zabSessionParams | ? name -match "one|two|three|four").hostid | ? key_ -match "version" | ? key_ -notmatch "VmVersion" | ? lastvalue -ne 0 | ? applications -match "app1|app2|app3|app3" | select @{n="host";e={$_.hosts.name}},@{n="Application";e={$_.applications.name}},lastvalue,key_,interfaces | sort host,application | ft -a
        Check whether new settings are working
    #>
    [cmdletbinding()]
    Param (
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$HostID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$IP,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$DNS="",
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$Port,
        #Main: Possible values are: 0 - not default; 1 - default.
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$main="0",
        #Type: Possible values are: 1 - agent; 2 - SNMP; 3 - IPMI; 4 - JMX.
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$type="4",
        #UseIP: Possible values are: 0 - connect using host DNS name; 1 - connect using host IP address for this host interface.
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$useIP="1",
        #[Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$InterfaceID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "hostinterface.create"
        params = @{
            hostid = $HostID
            main = $main
            dns = $dns
            port = $Port
            ip = $IP
            useip = $useIP
            type = $type
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    if ($a.result) {$a.result} else {$a.error}
}

Function Remove-ZabbixHostInterface { 
    <#
    .Synopsis
        Remove host interface
    .Description
        Remove host interface
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match "host02" | Get-ZabbixHostInterface @zabSessionParams | ? port -Match 31721 | Remove-ZabbixHostInterface @zabSessionParams
        Remove single host interface
    .Example
        Remove-ZabbixHostInterface @zabSessionParams -interfaceid (Get-ZabbixHost @zabSessionParams | ? name -match "host02" | Get-ZabbixHostInterface @zabSessionParams).interfaceid
        Remove all interfaces from host
    .Example
 
    #>
    [CmdletBinding(SupportsShouldProcess,ConfirmImpact='High')]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$HostID,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][array]$InterfaceId,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "hostinterface.delete"
        params = @($interfaceid)

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }
    
    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    if ([bool]$WhatIfPreference.IsPresent) {
        #$a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    }
    if ($PSCmdlet.ShouldProcess($HostID,"Delete")){  
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
    }
    
    if ($a.result) {$a.result} else {$a.error}
}

Function Get-ZabbixItem { 
    <#
    .Synopsis
        Retrieves items
    .Example
        Get-ZabbixItem @zabSessionParams -HostId (Get-ZabbixHost @zabSessionParams | ? name -match hostName).hostid | select name,key_,lastvalue
        Get Items for host (case insensitive)
    .Example
        Get-ZabbixItem @zabSessionParams -ItemName 'RAM Utilization (%)' -HostId (Get-ZabbixHost @zabSessionParams | ? name -match "dc1").hostid | select @{n="hostname";e={$_.hosts.name}},name,key_,@{n="Time(UTC+1)";e={(convertfrom-epoch $_.lastclock).addhours(+1)}},status,prevvalue,@{n="lastvalue";e={[decimal][math]::Round($_.lastvalue,3)}} | sort lastvalue -desc | ft -a
        Get Items with name 'RAM Utilization (%)' for hosts by match
    .Example
        Get-ZabbixItem @zabSessionParams -ItemName 'Memory Total' -HostId (Get-ZabbixHost @zabSessionParams | ? name -match "").hostid | select @{n="hostname";e={$_.hosts.name}},name,key_,@{n="Time(UTC+1)";e={(convertfrom-epoch $_.lastclock).addhours(+1)}},prevvalue,@{n="lastvalue";e={[decimal][math]::round(($_.lastvalue/1gb),2)}} | sort lastvalue -desc | ft -a
        Get Items with name 'Memory Total' for hosts by match
    .Example
        Get-ZabbixItem @zabSessionParams -HostId (Get-ZabbixHost @zabSessionParams | ? name -match host).hostid | ? key_ -match "/mnt/reporter_files,[used,free]" | ? lastvalue -ne 0 | select @{n="Time(UTC+1)";e={(convertfrom-epoch $_.lastclock).addhours(+1)}},@{n="host";e={$_.hosts.name}},@{n="lastvalue";e={[decimal][math]::round(($_.lastvalue/1gb),2)}},key_,description | sort host | ft -a
        Get Items for host(s) with key_ match
    .Example
        Get-ZabbixItem @zabSessionParams -TemplateID (Get-ZabbixTemplate @zabSessionParams | ? name -match "myTemplates").templateid | ? history -ne 7 | select @{n="Template";e={$_.hosts.name}},history,name -Unique | sort Template
        Get Items for templates, where history not 7 days
    .Example
        Get-ZabbixItem @zabSessionParams -HostId (Get-ZabbixHost @zabSessionParams | ? name -match hostName).hostid | ? key_ -match "Version|ProductName" | ? key_ -notmatch "vmver" | select @{n="Time(UTC+1)";e={(convertfrom-epoch $_.lastclock).addhours(+1)}},@{n="host";e={$_.hosts.name}},lastvalue,name,key_ | sort host,key_ | ft -a
        Get Items by host match, by key_ match/notmatch
    .Example
        Get-ZabbixHost -hostname hostName @zabSessionParams | Get-ZabbixItem @zabSessionParams -SortBy status -ItemKey pfree | select name, key_,@{n="Time(UTC)"e={convertfrom-epoch $_.lastclock}},lastvalue,status | ft -a
        Get Items (disk usage(%) information) for single host
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -match "hostName" | Get-ZabbixItem @zabSessionParams -ItemName 'RAM Utilization (%)' | select @{n="hostname";e={$_.hosts.name}},name,key_,@{n="Time(UTC+1)";e={(convertfrom-epoch $_.lastclock).addhours(+1)}},prevvalue,lastvalue | ft -a
        Get Items for single host by match
    .Example
        Get-ZabbixItem @zabSessionParams -SortBy status -ItemKey pfree -HostId (Get-ZabbixHost @zabSessionParams | ? name -match hostName).hostid | select @{n="hostname";e={$_.hosts.name}},@{n="Time(UTC)";e={convertfrom-epoch $_.lastclock}},status,key_,lastvalue,name | sort hostname,key_ | ft -a
        Get Items (disk usage(%) info) for multiple hosts
    .Example
        Get-ZabbixItem @zabSessionParams -SortBy status -ItemKey pfree -HostId (Get-ZabbixHost @zabSessionParams | ? name -match hostName).hostid | ? key_ -match "c:" | select @{n="hostname";e={$_.hosts.name}},@{n="Time(UTC)";e={convertfrom-epoch $_.lastclock}},status,key_,lastvalue,name | sort hostname,key_ | ft -a
        Get Items (disk usage info) according disk match for multiple hosts
    .Example
        (1..8) | %{Get-ZabbixHost @zabSessionParams hostName-0$_ | Get-ZabbixItem @zabSessionParams -ItemKey 'java.lang:type=Memory' | ? status -match 0 | select key_,interfaces}
        Get Items and their interface
    .Example
        (1..8) | %{Get-ZabbixHost @zabSessionParams hostName-0$_ | Get-ZabbixItem @zabSessionParams -ItemKey 'MemoryUsage.used' | ? status -match 0 | select @{n="Host";e={$_.hosts.name}},@{n="If.IP";e={$_.interfaces.ip}},@{n="If.Port";e={$_.interfaces.port}},@{n="Application";e={$_.applications.name}},key_ } | ft -a
        Get Items and interfaces
    .Example
        Get-ZabbixItem @zabSessionParams -ItemKey 'version' -ItemName "Version of zabbix_agent(d) running" -HostId (Get-ZabbixHost @zabSessionParams | ? name -notmatch "DC2").hostid | ? status -match 0 | select @{n="host";e={$_.hosts.name}},@{n="Application";e={$_.applications.name}},key_,lastvalue | sort host
        Get Zabbix agent version
    .Example
        Get-ZabbixItem @zabSessionParams -HostId (Get-ZabbixHost @zabSessionParams | ? name -match "hostName").hostid | ? key_ -match "version" | ? key_ -notmatch "VmVersion" | ? lastvalue -ne 0 | ? applications -match "" | select @{n="Time(UTC+1)";e={(convertfrom-epoch $_.lastclock).addhours(+1)}},@{n="host";e={$_.hosts.name}},@{n="Application";e={$_.applications.name}},lastvalue,key_,@{n="If.IP";e={$_.interfaces.ip}},@{n="If.Port";e={$_.interfaces.port}} | sort host | ft -a
        Get Java application versions via JMX
    .Example
        Get-ZabbixItem @zabSessionParams -HostId (Get-ZabbixHost @zabSessionParams | ? name -match "hostName").hostid | ? key_ -match "HeapMemoryUsage.committed" | ? lastvalue -ne 0 | ? applications -match "application" | select @{n="Time(UTC+1)";e={(convertfrom-epoch $_.lastclock).addhours(+1)}},@{n="host";e={$_.hosts.name}},@{n="Application";e={$_.applications.name}},lastvalue,key_,@{n="If.IP";e={$_.interfaces.ip}},@{n="If.Port";e={$_.interfaces.port}} | sort host | ft -a
        Get JVM memory usage via JMX
    #>
    
    [cmdletbinding()]
    Param (
        [String]$SortBy="name",
        [String]$ItemKey,
        [String]$ItemName,
        [string]$Description,
        [Parameter(ParameterSetName="hostname",Mandatory=$False,ValueFromPipelineByPropertyName=$true)][String]$HostName,
        [Parameter(ParameterSetName="hostid",Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostId,
        [Parameter(ParameterSetName="hostid",Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$TemplateID,
        [Parameter(ParameterSetName="hostid",Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$TriggerID,
        [switch]$WebItems,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "item.get"
        params = @{
            output = "extend"
            webitems=$WebItems
            triggerids = $TriggerID
            templateids = $TemplateID
            hostids = @($HostID)
            groupids = $GroupID
            
            selectInterfaces = "extend"
            selectTriggers = "extend"
            selectApplications = "extend"
            selectHosts = @(
                "hostid",
                "name"
            )
            sortfield = $sortby
            
            search = @{
                key_ = $ItemKey
                name = $ItemName
            }
        }
        
        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Get-ZabbixGraph { 
    <#
    .Synopsis
        Get graph
    .Description
        Get graph
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq "singleHost" | Get-ZabbixGraph @zabSessionParams | select name
        Get graphs for single host
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq "singleHost" | Get-ZabbixGraph @zabSessionParams -expandName | ? name -match 'RAM utilization' | select name
        Get graphs for single host
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq "singleHost" | Get-ZabbixGraph @zabSessionParams -expandName | ? name -match 'RAM utilization' | select name -ExpandProperty gitems | ft -a
        Get graphs for single host
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq "singleHost" | Get-ZabbixGraph @zabSessionParams -expandName | ? {!$_.graphDiscovery} | select name -ExpandProperty gitems | ft -a
        Get graphs for single host
    .Example
        Get-ZabbixGraph @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match "multipleHosts").hostid | select @{n="host";e={$_.hosts.name}},name | ? host -match "host0[5,6]"| ? name -notmatch Network | sort host
        Get graphs for multiple hosts
    #>
    
    [cmdletbinding()]
    Param (
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$HostID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$GroupID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$GraphID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$TemplateID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][array]$ItemID,
        [switch]$expandName=$true,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$jsonrpc,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$session,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$id,
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$URL
    )
    
    $Body = @{
        method = "graph.get"
        params = @{
            output = "extend"
            selectTemplates = "extend"
            selectHosts = @(
                "hostid",
                "name"
            )
            selectItems = "extend"
            selectGraphItems = "extend"
            selectGraphDiscovery = "extend"
            expandName = $expandName
            hostids = $HostID
            graphids = $GraphID
            templateids = $TemplateID
            itemids = $ItemID
            sortfield = "name"
        }

        jsonrpc = $jsonrpc
        id = $id
        auth = $session
    }

    $BodyJSON = ConvertTo-Json $Body
    write-verbose $BodyJSON
    
    try {
        $a = Invoke-RestMethod "$URL/api_jsonrpc.php" -ContentType "application/json" -Body $BodyJSON -Method Post
        if ($a.result) {$a.result} else {$a.error}
    } catch {
        Write-Host "$_"
        Write-Host "Too many entries to return from Zabbix server. Check/reduce filters." -f cyan
    }
}

Function Save-ZabbixGraph {
    <#
    .Synopsis
        Save graph
    .Description
        Save graph
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq "singleHost" | Get-ZabbixGraph @zabSessionParams | ? name -match 'CPU utilization' | Save-ZabbixGraph -verbose
        Save single graph (default location: $env:TEMP\psbbix)
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq "singleHost" | Get-ZabbixGraph @zabSessionParams | ? name -match 'CPU utilization' | Save-ZabbixGraph -sTime (convertTo-epoch (get-date).AddMonths(-3)) -fileFullPath $env:TEMP\psbbix\graphName.png -show
        Save single graph and show it
    .Example
        Get-ZabbixHost @zabSessionParams | ? name -eq "singleHost" | Get-ZabbixGraph @zabSessionParams | ? name -eq 'RAM utilization (%)' | Save-ZabbixGraph -sTime (convertto-epoch (get-date -date "05/25/2015 00:00").ToUniversalTime()) -show
        Save single graph, time sent as UTC, and will appear as local Zabbix server time
    .Example
        (Get-ZabbixHost @zabSessionParams | ? name -eq "singleHost" | Get-ZabbixGraph @zabSessionParams | ? name -match 'RAM utilization | CPU utilization').graphid | %{Save-ZabbixGraph -GraphID $_ -sTime (convertto-epoch (get-date -date "05/25/2015 00:00")) -fileFullPath $env:TEMP\psbbix\graphid-$_.png -show}
        Save and show graphs for single host
    .Example
        (Get-ZabbixGraph @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match "multipleHosts").hostid | ? name -match 'RAM utilization | CPU utilization').graphid | %{Save-ZabbixGraph -GraphID $_ -sTime (convertto-epoch (get-date -date "05/25/2015 00:00")) -verbose -show}
        Save multiple grpahs for multiple hosts
    .Example
        (Get-ZabbixGraph @zabSessionParams -HostID (Get-ZabbixHost @zabSessionParams | ? name -match "multipleHosts").hostid | ? name -match 'RAM utilization | CPU utilization').graphid | %{Save-ZabbixGraph -GraphID $_ -sTime (convertto-epoch (get-date -date "05/25/2015 00:00")) -show -mail -from "zabbix@domain.com" -to first.last@mail.com -smtpserver 10.10.20.10 -proprity High}
        Save and send by email multiple grpahs, for multiple hosts
    #>
    
    [cmdletbinding()]
    param (
        [Parameter(Mandatory=$True,ValueFromPipelineByPropertyName=$true)][string]$GraphID,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$fileFullPath,
        [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true)][string]$sTime=(convertTo-epoch ((get-date).addmonths(-1)).ToUniversalTime()),
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Period=(convertTo-epoch ((get-date).addhours(0)).ToUniversalTime())-$sTime,
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Width="900",
        [Parameter(Mandatory=$False,ValueFromPipelineByPropertyName=$true)][string]$Hight="200",
        [switch]$show,
        [switch]$mail,
        [string]$SMTPServer,
        [string[]]$to,
        [string]$from,
        [string]$subject,
        [string]$priority,
        [string]$body
    )
    
    $psbbixTmpDir="$env:TEMP\psbbix"
    if (!$fileFullPath) {
        if (!(test-path $psbbixTmpDir)) {mkdir $psbbixTmpDir}
        $fileFullPath="$psbbixTmpDir\graph-$graphid.png"
    }
    write-verbose "Graph files locateted here: $psbbixTmpDir"
    
    $gurl=($zabSessionParams.url.replace('https','http'))
    try {invoke-webrequest "$gurl/chart2.php?graphid=$graphid`&width=$Width`&hight=$Hight`&stime=$sTime`&period=$Period" -OutFile $fileFullPath}
    catch {write-host "$_"}
    
    if ($show) {
        if (test-path "c:\Program Files (x86)\Google\Chrome\Application\chrome.exe") {&"c:\Program Files (x86)\Google\Chrome\Application\chrome.exe" -incognito $fileFullPath}
        elseif (test-path "c:\Program Files\Internet Explorer\iexplore.exe") {&"c:\Program Files\Internet Explorer\iexplore.exe" $fileFullPath}
        else {start "file:///$fileFullPath"}
    }
    
    if ($mail) {
        if (!$from) {$from="zabbix@mydomain.com"}
        if (!$subject) {$subject="Zabbix: graphid: $GraphID"}
        if ($body) {Send-MailMessage -from $from -to $to -subject $subject -body $body -Attachments $fileFullPath -SmtpServer $SMTPServer}
        else {Send-MailMessage -from $from -to $to -subject $subject -Attachments $fileFullPath -SmtpServer $SMTPServer}
    }
}