These scenarios can be used standalone for ICA exam preparation or to learn and study Istio service mesh. Weekly new ones!
Itβs common to hear people referring to their deployment strategy as "DevOps", but that's not quite accurate. DevOps is a philosophy and culture, while deployment strategies are more narrowly focused on the actual steps used to deploy software. Still, it's important for your team to think about its deployment
Istio - Service Mesh to provide Traffic Control, Security and Observability for Kubernetes
A Kubernetes tool is any software or utility that helps manage, deploy, monitor, or scale applications within a Kubernetes cluster. Kubernetes itself is an open-source platform designed to automate deploying, scaling, and operating application containers. There are various tools within the Kubernetes ecosystem that enhance its functionality, streamline operations, and
Ambient interoperability with sidecarsAll the Pods don't need to use the new Ambient mode. You can have some Pods using sidecars while others are using Ambient. Let's create a new namespace called httpbin: kubectl create namespace httpbinTo use sidecars in this namespace, you need to label it accordingly: kubectl label
L7 authorization policiesL4 policies are useful but may not be sufficient for your needs. For example, youβll be able to send any request to the web-api service from the sleep pod while you may only want to allow requests with the GET method. In order to have any L7
Add services to AmbientAdding services to Ambient is very simple. You just need to add the istio.io/dataplane-mode=ambient label to your namespace to have all the corresponding pods managed by Ambient. kubectl label namespace default istio.io/dataplane-mode=ambientNow, take a look at the logs of the Istio
Deploy a KinD cluster Set the context environment variable: export CLUSTER1=cluster1Run the following commands to deploy a multi node Kubernetes cluster using KinD: data/steps/deploy-kind-cluster/deploy-multi.sh 1 cluster1Creating cluster "kind1" ... β Ensuring node image (kindest/node:v1.24.0) πΌ β Preparing nodes π¦ π¦ π¦ π¦ β Writing configuration π β Starting control-plane πΉοΈ β Installing CNI π β Installing