ehrnst’s gists

ehrnst / postEventGridDemo1.ps1

Last active August 3, 2018 15:32

Send custom events to azure event grid from powershell

	<#
	.Synopsis
	Example code on how to post messages to a custom event grid topic

	.Notes
	part of a blog article on https://adatum.no
	#>

	$eventDate = get-date -Format s # get the date and time for the event. Has to be sortable for event grid to accept. Pass as a string
	$eagSASkey = "HCDs7UFipbBXZ0OPc+mM=2" # access key.

ehrnst / New-AADAppDemo.ps1

Created April 9, 2018 11:51

Create Azure Active Directory application with powershell and set reader permission on subscription

	<#
	.SYNOPSIS
	Creates an azure ad application and sets reader permissions on subscription

	.NOTES
	Script is provided as an example, it has no error handeling and is not production ready. App name and permissions is hard coded.
	#>

	param(
	[Parameter(Mandatory)]

ehrnst / Get-AzureMonitorResourceGroupAlertRules.ps1

Last active November 14, 2017 16:44

This is a complete script authenticating using AAD application and get all alert rules from a resource group.

	param (
	# Your azure ad application ID
	[Parameter(Mandatory)]
	[String]
	$AzureApplicationID,

	# Azure AD application secret
	[Parameter(Mandatory)]
	[String]
	$ClientSecret,

ehrnst / Get-AzureMonitorAlertRulesIncidents.ps1

Created November 14, 2017 16:33

	$Alert = $alertrules.id
	(Invoke-RestMethod -Method GET "https://management.azure.com/$alert/incidents?api-version=$apiversion" -Headers $authHeader).value

ehrnst / AzureAuthHeader.ps1

Created November 14, 2017 16:30

	$result = Get-AADAppoAuthToken -ClientID $AzureApplicationID -ClientSecret $ClientSecret -TenantId $TenantId
	$AuthKey = "Bearer " + ($result.access_token)
	$authHeader = @{
	'Content-Type' = 'application/json'
	'Accept' = 'application/json'
	'Authorization' = $AuthKey
	}

ehrnst / Get-AzureMonitorAlertRules.ps1

Last active November 14, 2017 16:29

Azure monitor rest API powershell

$alertRules = Invoke-RestMethod -Method GET "https://management.azure.com/subscriptions/$SubscriptionId/resourcegroups/$ResourceGroupName/providers/microsoft.insights/alertrules?api-version=2016-03-01" -Headers $authHeader

ehrnst / reqCertFromTemplate.ps1

Last active June 11, 2025 11:00

Request and install a certificate from template using powershell

	# Request the certificate throuh template called "WebServer"
	Get-Certificate -Template "WebServer" -DnsName "computername.fqdn" -CertStoreLocation cert:\LocalMachine\My -SubjectName "CN=computerName.fqdn, C=CountryCode, L=MyCity, O=Organization OU=Department, S=State"

	# After approval. Use request to download and install cert
	$cert = (get-childItem -path cert:\LocalMachine\Request)
	get-certificate -Request cert:\LocalMachine\Request\$cert

ehrnst / gist:49cd1d4cf40a21c6f0964c91a305efe0

Created October 1, 2017 19:59

Azure Funtion to start webasto heater with Altox WBUS

	#Azure functions powershell http trigger

	#Get input
	$input = Get-Content $req -Raw \| ConvertFrom-Json
	[int]$tempLow = $input.tempLow
	[int]$heatingMinutes = $input.heatingMinutes

	function send-altoxCommand {
	param (
	[Parameter(Mandatory = $true)]

ehrnst / Send-ALTOXCommand.ps1

Last active October 3, 2017 16:33

Altox WBUS API basic powershell

	function send-altoxCommand {
	param (
	[Parameter(Mandatory = $true)]
	$command,
	[Parameter(Mandatory = $true)]
	$pass,
	[Parameter(Mandatory = $true)]
	$email,
	[Parameter(Mandatory = $true)]
	$id

ehrnst / GetResourceGroupHealth.ps1

Last active September 12, 2017 12:11

Get Azure resource health by resource group

	#get the health of the whole resource group
	# Add each health status to a hashtable before output a complete table with all resource groups and their resource health
	$resourceGroupHealth = @{}
	foreach ($ResourceGroup in $ResourceGroups) {

	#Set resource group name and use it in our url
	$health = Invoke-RestMethod -Uri "https://management.azure.com/subscriptions/$subscriptionID/resourceGroups/$ResourceGroup/Providers/Microsoft.ResourceHealth/availabilityStatuses?api-version=2015-01-01" -Method GET -Headers $authHeader

	$currentHealth = @{}
	$currentHealth = @{

Martin Ehrnst ehrnst