Helm charts for kubernetes
Helm is package manager for Kubernetes, helm deploys charts that are packages of pre-configured kubernetes resources, think of helm as apt/yum/homebrew for Kubernetes. Benefits of Helm Find and use popular software packaged as Kubernetes charts.Share applications as Kubernetes charts.Create reproducible builds for Kubernetes applications.Intelligently manage Kubernetes object definitions.Manage releases of Helm packages. INstalling Helm Windows…
Azure Kubernetes Service (AKS) Network plugins
Kubernetes networking enables you to configure communication within your k8s network. It is based on a flat network structure, which eliminates the need to map ports between hosts and containers. Let’s discuss different network plugins in AKS. AKS cluster can be deployed using one of the network plugins Kubenet (Basic) networkingAzure Container Networking Interface (CNI) networking Kubenet…
Azure Kubernetes cluster across Availability Zones
Availability Zone is high-availability offering that protects applications and data from datacenter failures. Availability Zones are unique physical locations within an Azure region, each zone is equipped with independent power, cooling, and networking, there’s a minimum of three separate zones in all enabled regions. AKS cluster nodes can be deployed across multiple zones with in…
Connect to Azure SQL Managed instance By Using Azure AD Authentication
Azure Active Directory authentication is a mechanism of connecting to Microsoft Azure SQL Database or other resources by using identities in Azure Active Directory (Azure AD), SQL password Authentication is not a very secured, AD login is more secured and provides password rotation and MFA. Azure Active Directory authentication uses contained database users to authenticate…
Azure SQL Server auto-failover groups
Auto-failover groups can be used for business continuity to switch database(s) to secondary location automatically in case of primary failure. failover group allows to manage the replication and failover of a group of databases on a server or all databases in a managed instance to another region. Failover groups are built on top of Geo-Replication…
Inject Azure Key vault secrets into Azure DevOps Pipeline.
Azure Key Vault helps to securely store and manage sensitive information such as keys, passwords, certificates, etc, this prevents from exposing confidential information in source code, When working with Azure DevOps, you might need to use sensitive information like Service Principals or API keys, you can integrate pipeline with key vault with few steps and read…
Festive Tech Calendar 2020:Azure Well Architected Framework
Festive Tech Calendar is a great community event, hosted by Gregor Suttie (Azure Greg) and Richard Hooper (Pixel Robots) every year. It’s all about sharing knowledge and helping people to learn new things, there were multiple sessions throughout month of December 2020, I’m very happy I was able to contribute as well. This post is…
Logic Apps SQL Connector to detect record insertion and trigger workflow
Azure Logic Apps offer hundreds of connectors to provide quick access from Logic apps to events, data and actions across other apps, services, systems, protocols, and platforms. Logic app work flow can be triggered when record is added/modified using SQL connector (this is not old school SQL trigger). let’s see how this can be implemented,…
Notify Key Vault Status Changes using event grid subscription and logic apps
In one of my previous company(pre-Azure days) , i wrote a utility tool that scans through all the certificates in the cert store and sends out email notification to the team with list of certs that are expiring with in 30 days. It was extremely useful tool back in the days , using azure key…
Prevent Accidental Deletion of Resources in Azure with Locks
Role based access (RBAC) provides granular control over access to resources but it cannot prevent accidental deletions or modification to resources. organizations may need to lock a subscription, resource group, or resource to prevent accidental deletions or modifications to critical resources. I work in very in a large team and found locks very helpful to…
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Srinivasa Avanigadda 