litmus-docs/website/docs/user-guides/upgrade.md

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upgrade Upgrade Litmus ChaosCenter to Latest Version Upgrade

Upgrade ChaosCenter

To upgrade Litmus ChaosCenter from 2.3.0 to 2.4.0, you can follow these steps:

Note: This step is not required if using Helm, Helm upgrade should work.

  1. Upgrade the control plane (ChaosCenter) To upgrade ChaosCenter, you can re-apply the manifest using the kubectl.

    kubectl apply -f https://raw.githubusercontent.com/litmuschaos/litmus/master/mkdocs/docs/2.4.0/litmus-2.4.0.yaml
    

Upgrade Mongodb DB Schema

Note: This step is not required if using Helm, Helm upgrade should work.

To upgrade the DB schema, deploy the upgrade-agent in your k8s cluster where ChaosCenter is installed. This manifest will create a Job, which will upgrade the mongoDB schema.

kubectl apply -f https://raw.githubusercontent.com/litmuschaos/litmus/master/litmus-portal/upgrade-agents/control-plane/upgrade-agent.yaml

Upgrade ChaosAgent

To upgrade your ChaosAgent, you can follow these steps:

  1. If an upgrade is available, you will get an option to upgrade your agent in the ChaosCenter. Upon clicking on the upgrade option, a modal will pop up providing you the litmusctl command which you can execute and your ChaosAgent will be upgraded.

<img src={require('../assets/user-guides/upgrade/upgrade-agent.png').default} width="800" />

Alternatively you can run the following command using litmusctl in the cluster containing the agent by providing <CLUSTER_ID> and <PROJECT_ID>.

litmusctl upgrade agent --cluster-id="<CLUSTER_ID>" --project-id="<PROJECT_ID>"

Note: v0.7.0 of litmusctl is required.