Public/Get-RubrikAvailabilityGroup.ps1

#requires -Version 3
function Get-RubrikAvailabilityGroup
{
  <#
      .SYNOPSIS
      Retrieves details on one or more Avaialbility Group known to a Rubrik cluster

      .DESCRIPTION
      The Get-RubrikAvailabilityGroup cmdlet is used to pull a detailed data set from a Rubrik cluster on any number of Availability Groups.
      To narrow down the results, use the group name or SLA limit your search to a smaller group of objects.
      Alternatively, supply the Rubrik database ID to return only one specific database.

      .NOTES
      Written by Chris Lumnah for community usage
      Twitter: @lumnah
      GitHub: clumnah

      .LINK
      https://github.com/rubrikinc/PowerShell-Module

      .EXAMPLE
      Get-RubrikAvailabilityGroup -GroupName 'am1-sql16ag-1ag'
      This will return details on the Availability Group
  #>


  [CmdletBinding()]
  Param(
    [Parameter(ValueFromPipelineByPropertyName = $true)]
    [String]$id,
    
    # Name of the availability group
    [Alias('name')]
    [String]$GroupName,
    
    # SLA Domain policy assigned to the database
    [Alias('effectiveSlaDomainName')]
    [String]$SLA,
    
    # Filter the summary information based on the primarycluster_id of the primary Rubrik cluster. Use **_local** as the primary_cluster_id of the Rubrik cluster that is hosting the current REST API session.
    [Alias('primary_cluster_id')]
    [String]$PrimaryClusterID,    

    [Alias('effectiveSlaDomainId')]
    [String]$SLAID,     
    
    # Rubrik server IP or FQDN
    [String]$Server = $global:RubrikConnection.server,
    # API version
    [ValidateNotNullorEmpty()]
    [String]$api = $global:RubrikConnection.api
  )

    Begin 
    {

      # The Begin section is used to perform one-time loads of data necessary to carry out the function's purpose
      # If a command needs to be run with each iteration or pipeline input, place it in the Process section
      
      # Check to ensure that a session to the Rubrik cluster exists and load the needed header data for authentication
      Test-RubrikConnection
      
      # API data references the name of the function
      # For convenience, that name is saved here to $function
      $function = $MyInvocation.MyCommand.Name
          
      # Retrieve all of the URI, method, body, query, result, filter, and success details for the API endpoint
      Write-Verbose -Message "Gather API Data for $function"
      $resources = Get-RubrikAPIData -endpoint $function
      Write-Verbose -Message "Load API data for $($resources.Function)"
      Write-Verbose -Message "Description: $($resources.Description)"
  
  }

  Process {

    $uri = New-URIString -server $Server -endpoint ($resources.URI) -id $id
    $uri = Test-QueryParam -querykeys ($resources.Query.Keys) -parameters ((Get-Command $function).Parameters.Values) -uri $uri
    $body = New-BodyString -bodykeys ($resources.Body.Keys) -parameters ((Get-Command $function).Parameters.Values)    
    $result = Submit-Request -uri $uri -header $Header -method $($resources.Method) -body $body
    $result = Test-ReturnFormat -api $api -result $result -location $resources.Result
    $result = Test-FilterObject -filter ($resources.Filter) -result $result

    return $result

  } # End of process
} # End of function