An action that can be used to apply kustomize based kubernetes manifests in a digitalocean cluster

action.yaml

name: "Deploy into Kubernetes"
description: "Deploys the service into kubernetes"

inputs:
  digitalocean_token:
    description: "Personal access token to use digitalocean CLI"
    required: true
  cluster_name:
    description: "Name of the kubernetes cluster"
    required: true
  overlay_path:
    description: "Path of the kustomization overlay folder"
    required: true
  image_name:
    description: "The docker image name with repository"
    required: true
  tag:
    description: "The image tag"
    required: true

runs:
  using: "composite"
  steps:
    - name: Setup doctl
      uses: digitalocean/action-doctl@v2
      with:
        token: ${{ inputs.digitalocean_token }}

    - name: Fetch & save digitalocean kubeconfig
      shell: bash
      run: doctl kubernetes cluster kubeconfig save ${{ inputs.cluster_name }} --expiry-seconds 600

    - name: Deploy
      shell: bash
      env:
        DOCKER_IMG: ${{inputs.image_name}}:${{inputs.tag}}
      run: kubectl kustomize ${{inputs.overlay_path}} | sed "s|IMAGE_PLACEHOLDER|$DOCKER_IMG|g" | kubectl apply -f -