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Operating and Troubleshooting Flux in a Kubernetes Cluster

In this lab, you will learn about several Kubernetes and Flux commands that may prove useful when operating and troubleshooting Flux in other labs in the _Hands-On GitOps_ course.

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Path Info

Clock icon Beginner
Clock icon 45m
Clock icon Feb 13, 2020

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Table of Contents

  1. Challenge

    Analyze the YAML Used to Install Flux

    To output the YAML that is applied by kubectl, simply use the same command, and either display it or route it to a file instead of piping it to kubectl.

    fluxctl install 
    [email protected]:${GHUSER}/content-gitops 

    This output has also been placed in a file that can be accessed within the docs folder on the course repo.

    Pipe the output to kubectl command with apply -f:

    fluxctl install 
    [email protected]:${GHUSER}/content-gitops 
    --namespace=flux | kubectl apply -f -
  2. Challenge

    Display the Log Produced by the fluxd Daemon

    To display the log produced by the fluxd daemon running as a Deployment in your cluster, enter the command:

    kubectl -n flux logs deployment/flux

    This assumes you have deployed flux to the flux namespace.

  3. Challenge

    Display Details about the flux Pod Running

    To display details about the Pod deployed in your cluster, first obtain the unique Pod name with the following command:

    kubectl -n flux get pods

    Then, copy the unique Pod name to your clipboard and input:

    kubectl -n flux describe pod [your flux pod name here]

    Example command with sample Pod name:

    kubectl -n flux describe pod flux-c97899756-wsfhb

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