Push Messages to VMware vRealize Log Inisght

Push-vLIMessage.ps1

add-type @"
    using System.Net;
    using System.Security.Cryptography.X509Certificates;
    public class TrustAllCertsPolicy : ICertificatePolicy {
        public bool CheckValidationResult(
            ServicePoint srvPoint, X509Certificate certificate,
            WebRequest request, int certificateProblem) {
            return true;
        }
    }
"@
[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy

<#
	.NOTES
	===========================================================================
	 Created by: Markus Kraus
	 Organization: Private
	Personal Blog: mycloudrevolution.com
	Twitter: @vMarkus_K
	===========================================================================
	Tested Against Environment:
	vRealize Log Insight 3.3.1
	PowerShell Version: 4.0, 5.0
	OS Version: Windows 8.1, Server 2012 R2
	Keyword: vRealize, RestAPI

	Dependencies:
	PowerCLI Version: PowerCLI 6.3 R1

 	.SYNOPSIS
	Push Messages to VMware vRealize Log Insight.
  
	.DESCRIPTION
	Creates a Messages in VMware vRealize Log Insight via the Ingestion API

	.EXAMPLE
	Push-vLIMessage -vLIServer "loginsight.lan.local" -vLIAgentID "12862842-5A6D-679C-0E38-0E2BE888BB28" -Text "My Test"
	
	.EXAMPLE
	Push-vLIMessage -vLIServer "loginsight.lan.local" -vLIAgentID "12862842-5A6D-679C-0E38-0E2BE888BB28" -Text "My Test" -Hostname MyTEST -FieldName myTest -FieldContent myTest
	
	.PARAMETER vLIServer
	Specify the FQDN of your vRealize Log Insight Appliance	

	.PARAMETER vLIAgentID
	Specify the vRealize Log Insight Agent ID, e.g. "12862842-5A6D-679C-0E38-0E2BE888BB28"

	.PARAMETER Text
	Specify the Event Text

	.PARAMETER Hostname
	Specify the Hostanme displayed in vRealize Log Insight

	.PARAMETER FieldName
	Specify the a Optional Field Name for vRealize Log Insight
	
	.PARAMETER FieldContent
	Specify the a Optional FieldContent for the Field in -FieldName for vRealize Log Insight
	If FielName is missing and FieldContent is given, it will be ignored
	
 #Requires PS -Version 3.0
 #>
function Push-vLIMessage {

	[cmdletbinding()]
	param (
	[parameter(Mandatory=$true)]
	[string]$Text,
	[parameter(Mandatory=$true)]
	[string]$vLIServer,
	[parameter(Mandatory=$true)]
	[string]$vLIAgentID,
	[parameter(Mandatory=$false)]
	[string]$Hostname = $env:computername,
	[parameter(Mandatory=$false)]
	[string]$FieldName,
	[parameter(Mandatory=$false)]
	[string]$FieldContent = ""
	)
	Process {
		$Field_vLI = [ordered]@{
						name = "PS_vLIMessage"
						content = "true"
						}
		$Field_HostName = [ordered]@{
						name = "hostname"
						content = $Hostname
						}
					
		$Fields = @($Field_vLI, $Field_HostName)
		
		if ($FieldName) {
			$Field_Custom = [ordered]@{
					name = $FieldName
					content = $FieldContent
					}
			$Fields += @($Field_Custom)
			}
			
		$Restcall = @{
					messages =    ([Object[]]([ordered]@{
							text = ($Text)
							fields = ([Object[]]$Fields)
							}))
					} | convertto-json -Depth 4
	
		$Resturl = ("http://" + $vLIServer + ":9000/api/v1/messages/ingest/" + $vLIAgentID)
		try
		{
			$Response = Invoke-RestMethod $Resturl -Method Post -Body $Restcall -ContentType 'application/json' -ErrorAction stop
			Write-Information "REST Call to Log Insight server successful"
			Write-Verbose $Response
		}
		catch
		{
			Write-Error "REST Call failed to Log Insight server"
			Write-Verbose $error[0]
			Write-Verbose $Resturl
		}
	}
}