Public/Get-RubrikHost.ps1

#requires -Version 3
function Get-RubrikHost
{
  <#
      .SYNOPSIS
      Retrieve summary information for all hosts that are registered with a Rubrik cluster.

      .DESCRIPTION
      The Get-RubrikHost cmdlet is used to retrive information on one or more hosts that are being protected with the Rubrik Backup Service or directly as with the case of NAS shares.

      .NOTES
      Written by Chris Wahl for community usage
      Twitter: @ChrisWahl
      GitHub: chriswahl

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

      .EXAMPLE
      Get-RubrikHost
      This will return all known hosts

      .EXAMPLE
      Get-RubrikHost -Hostname 'Server1'
      This will return details on any hostname matching "Server1"

      .EXAMPLE
      Get-RubrikHost -Type 'Windows' -PrimaryClusterID 'local'
      This will return details on all Windows hosts that are being protected by the local Rubrik cluster

      .EXAMPLE
      Get-RubrikHost -id 'Host:::111111-2222-3333-4444-555555555555'
      This will return details specifically for the host id matching "Host:::111111-2222-3333-4444-555555555555"
  #>


  [CmdletBinding()]
  Param(
    # Retrieve hosts with a host name matching the provided name. The search type is infix
    [Alias('Hostname')]
    [String]$Name, 
    # Filter the summary information based on the operating system type. Accepted values are 'Windows', 'Linux', 'ANY', 'NONE'. Use NONE to only return information for hosts templates that do not have operating system type set. Use ANY to only return information for hosts that have operating system type set.
    [ValidateSet('Windows','Linux','Any','None')]
    [Alias('operating_system_type')]
    [String]$Type,
    # 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]$PrimaryClusterID,
    # ID of the registered host
    [String]$id,
    # Rubrik server IP or FQDN
    [String]$Server = $global:RubrikConnection.server,
    # API version
    [String]$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