Ash Tewari

PowerShell

Kusto Queries on AKS Clusters

tewari

Kusto query language can be used to get insights into Azure Kubernetes Service (AKS) clusters. Container insights collects data from AKS clusters and forwards it to Log Analytics workspace, if enabled for a cluster. This data is available for querying in the Azure Monitor. Here is an example of how you can query the pods not in running state in specific namespaces.  The following query includes the name of the AKS cluster and renders the output as a stacked bar chart. You can include multiple AKS clusters in the scope in which this query is executed by clicking on [Select scope] hyperlink. Create an Azure Dashboard panel with this output by clicking on [Pin to dashboard] button. You can also […]

AKS Supported Kubernetes Versions

tewari

Azure Kubernetes Service (AKS) supports specific versions of Kubernetes.It is necessary to regularly monitor the release of new versions and upgrade your AKS clusters to supported versions in order to remain in compliance with AKS Kubernetes Version Support Policy. AKS announces the planned date of a new minor version release and corresponding old version deprecation via AKS Release notes at least 30 days prior to removal. An email notification is sent to the subscription administrators with the planned version removal dates. You get 30 days from version removal to upgrade to a supported minor version release. Patch versions can be released anytime and you get 30 days from the removal date to upgrade to a supported patch version. You should […]

Using Powershell with Splunk

tewari

Splunk Powershell Resource Kit is a convenient and very capable wrapper over Splunk REST API. You can use the Powershell commandlets exposed by this resource kit to deploy, check and manage splunk services as well as execute splunk searches. In this post, you will be introduced to the Splunk Powershell Resource Kit, you will learn how to use powershell commandlets to connect to a splunk instance and execute searches. 1. First, you will need to download the resource kit from github. 2. Installation is very simple. All you have to do is download and extract the files from the zip archive and double click on install.bat to install the splunk powershell module. 3. Open Windows Powershell console from Windows Start […]

Code Validation in TortoiseSVN pre_commit_hook

tewari

If you want to abort a commit if your code fails certain rule and you don’t have access to the SVN Server to configure a hook. What do you do ? Assuming you are using TortoiseSVN, you can configure a Client-Side hook. Here is an example – Say you want to abort commit if you have a comment in your code that starts with //Do Not Commit. You can create a PowerShell script that validates all the files in your changeset and use this script as a Client-Side pre_commit_hook in TortoiseSVN. The pre_commit_hook configuration : //Powershell script : pre_commit.ps1 $donotcommit = “//Do Not Commit“; $changeset = Get-Content $args[0]; foreach($file in $changeset) { if( Get-Content $file | Select-String $donotcommit -quiet ) […]