Public/Get-JiraServerInformation.ps1

function Get-JiraServerInformation {
    <#
    .SYNOPSIS
       This function returns the information about the JIRA Server
    .DESCRIPTION
       This functions shows all the information about the JIRA server, such as version, time, etc
    .EXAMPLE
       Get-JiraServerInformation
       This example returns information about the JIRA server.
    .INPUTS
 
    .OUTPUTS
       [JiraPS.ServerInfo]
    .NOTES
       This function requires either the -Credential parameter to be passed or a persistent JIRA session. See New-JiraSession for more details. If neither are supplied, this function will run with anonymous access to JIRA.
    #>

    [CmdletBinding()]
    param(
        # Credentials to use to connect to JIRA.
        # If not specified, this function will use anonymous access.
        [PSCredential]
        $Credential
    )

    begin {
        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Function started"

        $server = Get-JiraConfigServer -ErrorAction Stop

        $resourceURi = "$server/rest/api/latest/serverInfo"
    }

    process {
        Write-DebugMessage "[$($MyInvocation.MyCommand.Name)] ParameterSetName: $($PsCmdlet.ParameterSetName)"
        Write-DebugMessage "[$($MyInvocation.MyCommand.Name)] PSBoundParameters: $($PSBoundParameters | Out-String)"

        $parameter = @{
            URI        = $resourceURi
            Method     = "GET"
            Credential = $Credential
        }
        Write-Debug "[$($MyInvocation.MyCommand.Name)] Invoking JiraMethod with `$parameter"
        $result = Invoke-JiraMethod @parameter

        Write-Output (ConvertTo-JiraServerInfo -InputObject $result)
    }

    end {
        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Complete"
    }
}

New-Alias -Name "Get-JiraServerInfo" -Value "Get-JiraServerInformation" -ErrorAction SilentlyContinue