![]() Once the agent is installed, you can confirm that it's configured correctly by logging into your Gremlin account, opening the Agents page, then clicking the Kubernetes tab. You can learn more about team IDs and secret keys in the Authentication documentation. You'll use the cluster ID to identify the cluster in the Gremlin web app. Make sure to replace $GREMLIN_TEAM_ID with your actual team ID, $GREMLIN_TEAM_SECRET with your team secret key, and $GREMLIN_CLUSTER_ID with a unique name for this cluster. To install the agent, follow the installation instructions in the documentation. If you've already installed and configured the agent, skip to step 3. It allows Gremlin to detect resources such as Pods, Deployments, and DaemonSets, and select them as targets for running experiments. The Gremlin Kubernetes agent is the recommended method of deploying Gremlin to a Kubernetes cluster. Once your cluster is deployed, verify that you have at least two active worker nodes by opening a terminal and running the following command :Ĥ gremlin-lab-worker2 Ready 7d v1.21.1 Step 2 - Deploy the Gremlin Kubernetes agent If not, you can create your own cluster using a tool like K3s, minikube, or kubeadm, or use a cloud Kubernetes platform like Amazon EKS, Azure Kubernetes Service, or Google Kubernetes Engine. If you already have a cluster, you can continue to step 2. Step 1 - Deploy a multi-node Kubernetes clusterįor this tutorial, you'll need a Kubernetes cluster with at least two worker nodes. Prerequisitesīefore starting this tutorial, you’ll need the following: The Google Cloud team also has a great blog post on Kubernetes probes and best practices. Readiness probes can detect this and prevent liveness probes from restarting the container, while also preventing requests from reaching the container.įor more on the different types of probes, see the Kubernetes docs. This is for containers that do some kind of initialization task, like loading data from a remote data store or waiting for a downstream dependency to become available. Readiness probes are also alongside liveness probes for containers that have finished starting, but aren't yet ready to serve traffic. ![]() If you have a container that takes a long time to start-longer than your liveness probe threshold-you can use a startup probe to delay the liveness probe until the container has fully started.
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