AzStackHci.EnvironmentChecker

1.2100.2531.331

AzStackHciSoftware/AzStackHci.Software.Helpers.psm1

                                Import-LocalizedData -BindingVariable lswTxt -FileName AzStackHci.Software.Strings.psd1

function Test-OSVersion

{

    <#

    .SYNOPSIS

        Test OS Version is correct

    .DESCRIPTION

        Get OS Version from local machine to use as minimum core count

        Expecting data from PsSessions to include local machine indicating ECE.

    #>

    [CmdletBinding()]

    param (

        [Parameter()]

        [System.Management.Automation.Runspaces.PSSession[]]

        $PsSession

    )

    try

    {

        # Get All OS versions

        $OsVersion = @()

        $OsVersion = GetOSVersion -PsSession $PsSession

        # Get OS Version from local machine to use as desired OS version

        # Expecting data from PsSessions to include local machine indicating ECE.

        $localOs = $OsVersion | Where-Object ComputerName -EQ $ENV:COMPUTERNAME

        if ($localOs)

        {

            # Check local machine for minimum OS

            $instanceResults = @()

            $instanceResults += TestOsMinimumVersion -Version $localOs

            # Check other nodes for consistency against local node

            $localOsVersion = $localOs | Select-Object -ExpandProperty OSVersion

            foreach ($version in ($OsVersion | Where-Object ComputerName -NE $ENV:COMPUTERNAME))

            {

                $detail = $lswTxt.OSVersion -f $version.OSVersion, $localOsVersion

                if ($version.OSVersion -eq $localOsVersion)

                {

                    $status = 'SUCCESS'

                    Log-Info ("Checking {0}. {1}" -f $version.ComputerName, $detail)

                }

                else

                {

                    $status = 'FAILURE'

                    Log-Info ("Checking {0}. {1}" -f $version.ComputerName, $detail) -type Warning

                }

                $params = @{

                    Name               = 'AzStackHci_Software_OperatingSystem_Version'

                    Title              = 'Test Operating System Version'

                    DisplayName        = 'Test Operating System Version'

                    Severity           = 'WARNING'

                    Description        = 'Checking Operating System Version matches existing cluster'

                    Tags               = @{}

                    Remediation        = 'https://learn.microsoft.com/en-us/azure-stack/hci/deploy/deployment-tool-install-os'

                    TargetResourceID   = $version.ComputerName

                    TargetResourceName = $version.ComputerName

                    TargetResourceType = 'OperatingSystem'

                    Timestamp          = [datetime]::UtcNow

                    Status             = $status

                    AdditionalData     = @{

                        Source    = $version.ComputerName

                        Resource  = 'OS Version'

                        Detail    = $detail

                        Status    = $status

                        TimeStamp = [datetime]::UtcNow

                    }

                    HealthCheckSource  = $ENV:EnvChkrId

                }

                $instanceResults += New-AzStackHciResultObject @params

                # Check for matching build

                if (([system.version]$localOsVersion).Build -eq ([system.version]$version.OSVersion).Build)

                {

                    $status = 'SUCCESS'

                    $detail = $lswTxt.OSBuild -f $version.ComputerName, ([system.version]$version.OSVersion).Build, ([system.version]$localOsVersion).Build

                    Log-Info $detail

                }

                else

                {

                    $status = 'FAILURE'

                    $detail = $lswTxt.OSBuild -f $version.ComputerName, ([system.version]$version.OSVersion).Build, ([system.version]$localOsVersion).Build

                    Log-Info $detail -Type CRITICAL

                }

                $params = @{

                    Name               = 'AzStackHci_Software_OperatingSystem_Build'

                    Title              = 'Test Operating System Build'

                    DisplayName        = 'Test Operating System Build'

                    Severity           = 'CRITICAL'

                    Description        = 'Checking Operating System Build matches existing cluster'

                    Tags               = @{}

                    Remediation        = 'https://learn.microsoft.com/en-us/azure-stack/hci/deploy/deployment-tool-install-os'

                    TargetResourceID   = $version.ComputerName

                    TargetResourceName = $version.ComputerName

                    TargetResourceType = 'OperatingSystem'

                    Timestamp          = [datetime]::UtcNow

                    Status             = $status

                    AdditionalData     = @{

                        Source    = $version.ComputerName

                        Resource  = 'OS Build'

                        Detail    = $detail

                        Status    = $status

                        TimeStamp = [datetime]::UtcNow

                    }

                    HealthCheckSource  = $ENV:EnvChkrId

                }

                $instanceResults += New-AzStackHciResultObject @params

            }

            return $instanceResults

        }

        else

        {

            Log-Info $lswTxt.OSVersionSkip

        }

    }

    catch

    {

        throw $_

    }

}

function GetOSVersion

{

    <#

    .SYNOPSIS

        Get OS Version from local or remote

    #>

    [CmdletBinding()]

    param (

        [System.Management.Automation.Runspaces.PSSession[]]

        $PsSession

    )

    $sb = {

        $osVersion = (Get-CimInstance -ClassName Win32_OperatingSystem -Property Version).Version

        $ntoskrnl = (Get-Item -Path (Join-Path -Path ([System.Environment]::SystemDirectory) -ChildPath 'ntoskrnl.exe')).VersionInfo.ProductVersion

        return New-Object PSObject -Property @{

            ComputerName = $ENV:COMPUTERNAME

            OSVersion    = [System.Version]("{0}.{1}" -f $osVersion,($ntoskrnl -Split '\.')[-1])

        }

    }

    $osVersion = if ($PsSession)

    {

        Invoke-Command -Session $PsSession -ScriptBlock $sb

    }

    else

    {

        Invoke-Command -ScriptBlock $sb

    }

    return $osVersion

}

function TestOsMinimumVersion

{

    <#

    .SYNOPSIS

        A short one-line action-based description, e.g. 'Tests if a function is valid'

    #>

    [CmdletBinding()]

    param (

        [Parameter()]

        [psobject]

        $Version,

        [Parameter()]

        [system.version]

        $MinVersion = '10.0.19045'

    )

    try {

        if ($version.OSVersion -ge $MinVersion)

        {

            $Status = 'SUCCESS'

            $detail = $lswTxt.MinOSCheck -f $Version.OsVersion, $MinVersion

            Log-Info $detail -Type Info

        }

        else

        {

            $Status = 'FAILURE'

            $detail = $lswTxt.MinOSCheck -f $Version.OsVersion, $MinVersion

            Log-Info $detail -Type Warning

        }

        $params = @{

            Name               = 'AzStackHci_Software_OperatingSystem_Version'

            Title              = 'Test Operating System Minimum Version'

            DisplayName        = 'Test Operating System Minimum Version'

            Severity           = 'CRITICAL'

            Description        = 'Checking Operating System Version meets minimum version'

            Tags               = @{}

            Remediation        = 'https://learn.microsoft.com/en-us/azure-stack/hci/deploy/deployment-tool-install-os'

            TargetResourceID   = $version.ComputerName

            TargetResourceName = $version.ComputerName

            TargetResourceType = 'OperatingSystem'

            Timestamp          = [datetime]::UtcNow

            Status             = $status

            AdditionalData     = @{

                Source    = $version.ComputerName

                Resource  = 'OS Version'

                Detail    = $detail

                Status    = $status

                TimeStamp = [datetime]::UtcNow

            }

            HealthCheckSource  = $ENV:EnvChkrId

        }

        $instanceResult = New-AzStackHciResultObject @params

        return $instanceResult

    }

    catch {

        throw $_

    }

}

function GetNTPServer

{

    <#

    .SYNOPSIS

        Get NTP server from local or remote

    #>

    [CmdletBinding()]

    param (

        [System.Management.Automation.Runspaces.PSSession[]]

        $PsSession

    )

    $sb = {

        $ntpSource = & w32tm.exe /query /source

        $ntpServer = ($ntpSource -split ',' | Select-Object -first 1).Trim()

        $stripchart = & w32tm.exe /stripchart /computer:$ntpServer /dataonly /samples:1

        return New-Object PSObject -Property @{

            ComputerName = $ENV:COMPUTERNAME

            NtpServer    = $ntpServer

            Stripchart   = $stripchart

        }

    }

    $ntpServer = if ($PsSession)

    {

        Invoke-Command -Session $PsSession -ScriptBlock $sb

    }

    else

    {

        Invoke-Command -ScriptBlock $sb

    }

    return $ntpServer

}

function Test-NtpServer

{

    <#

    .SYNOPSIS

        Test NTP Server is consistent across nodes and all nodes are in sync.

    #>

    [CmdletBinding()]

    param (

        [System.Management.Automation.Runspaces.PSSession[]]

        $PsSession

    )

    try {

        $ntpServerConfig = GetNTPServer -PsSession $PsSession

        $ntpStr = $ntpServerConfig | ForEach-Object { '{0}:{1}' -f $_.ComputerName, $_.ntpServer }

        $instanceResults = @()

        $AdditionalData = @()

        # localNtp should be read from local machine when running in ECE

        $localNtp = $ntpServerConfig | Where-Object ComputerName -EQ $ENV:COMPUTERNAME | Select-Object -ExpandProperty ntpServer

        # if it's not set to an external source return immediately with failure

        if ($localNtp -eq 'Local CMOS Clock')

        {

            $detail = $lswTxt.NTPServerNotSet -f $ENV:COMPUTERNAME, $localNtp

            Log-Info $detail -Type Warning

            $params = @{

                Name               = 'AzStackHci_Software_NTP_Server'

                Title              = 'Test NTP server'

                DisplayName        = 'Test NTP server'

                Severity           = 'CRITICAL'

                Description        = 'Checking NTP server is configured.'

                Tags               = @{}

                Remediation        = 'https://learn.microsoft.com/en-us/windows-server/networking/windows-time-service/windows-time-service-tools-and-settings'

                TargetResourceID   = $ENV:COMPUTERNAME

                TargetResourceName = $ENV:COMPUTERNAME

                TargetResourceType = 'OperatingSystem'

                Timestamp          = [datetime]::UtcNow

                Status             = 'FAILURE'

                AdditionalData     = @{

                    Source    = $ENV:COMPUTERNAME

                    Resource  = 'NTP Server'

                    Detail    = $detail

                    Status    = 'FAILURE'

                    TimeStamp = [datetime]::UtcNow

                }

                HealthCheckSource  = $ENV:EnvChkrId

            }

            $instanceResult = New-AzStackHciResultObject @params

            return $instanceResult

        }

        # if we found more than one node check for consistency

        if ($PsSession.Count -gt 1)

        {

            # if we found local ntp cfg, expect all nodes to be set to that.

            # if not, expect all nodes to be consistent with each other anyway.

            if ($localNtp)

            {

                Log-Info ("Checking all nodes are configured with NTP Server: {0}" -f $localNtp)

                foreach ($nodeNtp in $ntpServerConfig)

                {

                    $detail = $lswTxt.NTPServerCheck -f $nodeNtp.ComputerName, $nodeNtp.ntpServer, $localNtp

                    if ($nodeNtp.ntpServer -eq $localNtp)

                    {

                        $Status = 'SUCCESS'

                        Log-Info $detail -Type Info

                    }

                    else

                    {

                        $Status = 'FAILURE'

                        Log-Info $detail -Type Warning

                    }

                    $params = @{

                        Name               = 'AzStackHci_Software_NTP_Server Consistent'

                        Title              = 'Test NTP server'

                        DisplayName        = "Test NTP server $($nodeNtp.ComputerName)"

                        Severity           = 'WARNING'

                        Description        = 'Checking NTP server is configured consistently.'

                        Tags               = @{}

                        Remediation        = 'https://learn.microsoft.com/en-us/windows-server/networking/windows-time-service/windows-time-service-tools-and-settings'

                        TargetResourceID   = $nodeNtp.ComputerName

                        TargetResourceName = $nodeNtp.ComputerName

                        TargetResourceType = 'OperatingSystem'

                        Timestamp          = [datetime]::UtcNow

                        Status             = $status

                        AdditionalData     = @{

                            Source    = $nodeNtp.ComputerName

                            Resource  = 'NTP Server'

                            Detail    = $detail

                            Status    = $status

                            TimeStamp = [datetime]::UtcNow

                        }

                        HealthCheckSource  = $ENV:EnvChkrId

                    }

                    $instanceResults += New-AzStackHciResultObject @params

                }

            }

            else

            {

                if (($ntpServerConfig.ntpServer | Sort-Object | Get-Unique).Count -eq 1)

                {

                    $Status = 'SUCCESS'

                    $detail = $lswTxt.NTPServerCheckPass -f ($ntpStr -join ', ')

                    Log-Info $detail -Type Info

                }

                else

                {

                    $Status = 'FAILURE'

                    $detail = $lswTxt.NTPServerCheckFail -f $ntpServerConfig.ntpServer

                    Log-Info $detail -Type Warning

                }

                $AdditionalData += New-Object -TypeName PSObject -Property @{

                    Source    = 'All Nodes'

                    Resource  = 'NTP Server'

                    Detail    = $detail

                    Status    = $status

                    TimeStamp = [datetime]::UtcNow

                }

            }

            $params = @{

                Name               = 'AzStackHci_Software_NTP_Server Consistent'

                Title              = 'Test NTP server'

                DisplayName        = "Test NTP server $($nodeNtp.ComputerName)"

                Severity           = 'WARNING'

                Description        = 'Checking NTP server is configured consistently.'

                Tags               = @{}

                Remediation        = 'https://learn.microsoft.com/en-us/windows-server/networking/windows-time-service/windows-time-service-tools-and-settings'

                TargetResourceID   = $nodeNtp.ComputerName

                TargetResourceName = $nodeNtp.ComputerName

                TargetResourceType = 'OperatingSystem'

                Timestamp          = [datetime]::UtcNow

                Status             = $status

                AdditionalData     = @{

                    Source    = 'All Nodes'

                    Resource  = 'NTP Server'

                    Detail    = $detail

                    Status    = $status

                    TimeStamp = [datetime]::UtcNow

                }

                HealthCheckSource  = $ENV:EnvChkrId

            }

            $instanceResults += New-AzStackHciResultObject @params

            Clear-Variable -Name AdditionalData, instanceResult -ErrorAction SilentlyContinue

        }

        foreach ($ntpCfg in $ntpServerConfig)

        {

            $stripChart = $ntpCfg.Stripchart

            if ($stripchart.Count -ge 4 -and (($stripchart[3] -like '*, +*') -or ($stripchart[3] -like '*, -*'))) {

                $status = 'SUCCESS'

                $detail = $lswTxt.NtpStripChartPass -f $ntpCfg.ComputerName, $ntpCfg.NtpServer, $stripchart[3]

                Log-Info $detail

            }

            else {

                $status = 'FAILURE'

                $failureDetail = $stripchart | Select-String -Pattern 'error'

                $detail = $lswTxt.NtpStripChartFail -f $ntpCfg.ComputerName, $ntpCfg.NtpServer, $failureDetail

                Log-Info $detail -Type Warning

                $stripchart | ForEach-Object { Log-Info $_ -Type Warning }

            }

            $params = @{

                Name               = 'AzStackHci_Software_NTP_Server_Consistent'

                Title              = 'Test NTP server'

                DisplayName        = "Test NTP server $($ntpCfg.ComputerName)"

                Severity           = 'WARNING'

                Description        = 'Checking NTP server is configured consistently.'

                Tags               = @{}

                Remediation        = 'https://learn.microsoft.com/en-us/windows-server/networking/windows-time-service/windows-time-service-tools-and-settings'

                TargetResourceID   = $ntpCfg.ComputerName

                TargetResourceName = $ntpCfg.ComputerName

                TargetResourceType = 'OperatingSystem'

                Timestamp          = [datetime]::UtcNow

                Status             = $status

                AdditionalData     = @{

                    Source    = $ntpCfg.ComputerName

                    Resource  = 'NTP Server Sync'

                    Detail    = $detail

                    Status    = $status

                    TimeStamp = [datetime]::UtcNow

                }

                HealthCheckSource  = $ENV:EnvChkrId

            }

            $instanceResults += New-AzStackHciResultObject @params

        }

        return $instanceResults

    }

    catch {

        throw $_

    }

}

Export-ModuleMember -Function Test-*

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