action.yml

name: "Simple Kubernetes deploy"
description: "Deploy manifest into a local Kubernetes cluster (available through kubectl)"
author: "thesharp"

inputs:
  kubectl_version:
    description: |
      kubectl binary version.
      Default "1.28.2"
    default: "1.28.2"
    required: false
  manifest_filepath:
    description: |
      Path to a Kubernetes deployment manifest.
      Default "kubernetes/deployment.yaml"
    default: "kubernetes/deployment.yaml"
    required: false
  container_name:
    description: |
      Container name that would have it's image overwritten inside the deployment manifest.
    required: true
  image_name:
    description: |
      Image name that would be overwritten inside the deployment manifest.
    required: true

runs:
  using: "composite"
  steps:
    - name: Install kubectl
      shell: bash
      run: sudo curl -L "https://dl.k8s.io/release/v${{ inputs.kubectl_version }}/bin/linux/amd64/kubectl" -o /usr/local/bin/kubectl && sudo chmod 755 /usr/local/bin/kubectl

    - name: Install yq
      shell: bash
      run: sudo curl -L "https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64" -o /usr/local/bin/yq && sudo chmod 755 /usr/local/bin/yq

    - name: Replace image inside the manifest
      shell: bash
      run: yq -i '(.spec.template.spec.containers[] | select (.name == "${{ inputs.container_name }}").image) = "${{ inputs.image_name }}"' ${{ inputs.manifest_filepath }}

    - name: Deploy
      shell: bash
      id: kubectl-apply
      run: echo "deployment=$(kubectl apply -f ${{ inputs.manifest_filepath }})" >> $GITHUB_OUTPUT

    - name: Generate summary
      shell: bash
      run: |
        echo "### Deployment status :rocket:" >> $GITHUB_STEP_SUMMARY
        echo "\`\`\`${{ steps.kubectl-apply.outputs.deployment }}\`\`\`" >> $GITHUB_STEP_SUMMARY

outputs:
  kubectl-apply:
    description: "Result of kubectl apply"
    value: "deployment"

branding:
  icon: "truck"
  color: "blue"