argocd-extension-pod-files

An Argo CD extention to upload or download files from pod in Kubernetes.

demo.FHD.mp4

Usage

Install ArgoCD Extension Pod Files to Kubernetes cluster

Helm must be installed to use the charts. Please refer to Helm's documentation to get started.

Once Helm has been set up correctly, add the repo as follows:

helm repo add argocd-extension-pod-files https://wei840222.github.io/argocd-extension-pod-files
helm repo update

If you had already added this repo earlier, run helm repo update to retrieve the latest versions of the packages. You can then run helm search repo <alias> to see the charts.

To install the chart:

helm install -n <argocd namespace> argocd-extension-pod-files argocd-extension-pod-files/argocd-extension-pod-files

To uninstall the chart:

helm delete -n <argocd namespace> argocd-extension-pod-files

Setup ArgoCD config

Assume you install ArgoCD by this helm chart.

Enable Argo CD extension init container
https://github.com/argoproj/argo-helm/blob/main/charts/argo-cd/values.yaml#L1783

## Argo CD extensions
## This function in tech preview stage, do expect instability or breaking changes in newer versions.
## Ref: https://github.com/argoproj-labs/argocd-extension-installer
## When you enable extensions, you need to configure RBAC of logged in Argo CD user.
## Ref: https://argo-cd.readthedocs.io/en/stable/operator-manual/rbac/#the-extensions-resource
extensions:
  # -- Enable support for Argo CD extension
  enabled: true

  ...

  # -- Extensions for Argo CD
  # @default -- `[]` (See [values.yaml])
  ## Ref: https://github.com/argoproj-labs/argocd-extension-metrics#install-ui-extension
  extensionList:
    - name: extension-pod-files
        env:
          - name: EXTENSION_URL
            value: http://argocd-extension-pod-files.<argocd namespace>/ui/extension.tar.gz
  
  ...

Enable server.enable.proxy.extension and add extension.config like this link
https://github.com/argoproj/argo-helm/blob/main/charts/argo-cd/values.yaml#L228

# Argo CD configuration parameters
## Ref: https://github.com/argoproj/argo-cd/blob/master/docs/operator-manual/argocd-cmd-params-cm.yaml
params:
  # -- Create the argocd-cmd-params-cm configmap
  # If false, it is expected the configmap will be created by something else.
  create: true

  ...

  # Enable the experimental proxy extension feature
  server.enable.proxy.extension: "true"

  ...

https://github.com/argoproj/argo-helm/blob/main/charts/argo-cd/values.yaml#L161

## Argo Configs
configs:
  # General Argo CD configuration
  ## Ref: https://github.com/argoproj/argo-cd/blob/master/docs/operator-manual/argocd-cm.yaml
  cm:
    # -- Create the argocd-cm configmap for [declarative setup]
    create: true

    ...

    extension.config: |
      extensions:
        - name: pod-files
          backend:
            services:
              - url: http://argocd-extension-pod-files.<argocd namespace>

    ...

Grant permission for admin in policy.csv https://github.com/argoproj/argo-helm/blob/main/charts/argo-cd/values.yaml#L313

# Argo CD RBAC policy configuration
## Ref: https://github.com/argoproj/argo-cd/blob/master/docs/operator-manual/rbac.md
rbac:
  # -- Create the argocd-rbac-cm configmap with ([Argo CD RBAC policy]) definitions.
  # If false, it is expected the configmap will be created by something else.
  # Argo CD will not work if there is no configmap created with the name above.
  create: true

  ...

  policy.csv: |
    p, role:admin, extensions, invoke, pod-files, allow

  ...

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