generate-manifest.yml

# This job will generate manifest
name: Generate Manifests

on:
  release:
    types: [published]

  workflow_dispatch: 
    inputs:
      version:
        type: string
        required: true
      upload_url:
        type: string
        required: false

env:
  MANIFEST_FILENAME: manager_manifest.yaml
  CR_FILENAME: manager_default_CR.yaml

defaults:
  run:
    shell: bash

jobs:
  generate_manifest:
    name: Generate manifest
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      
      - name: Get version and upload URL
        id: get_version_upload_url
        run: |
          if [[ ! -z '${{ inputs.version }}' ]]
          then
            echo "version=${{ inputs.version }}" >> $GITHUB_OUTPUT
          else
            echo "version=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT
          fi

          if [[ ! -z '${{ inputs.upload_url }}' ]]
          then
            echo "upload_url=${{ inputs.upload_url }}" >> $GITHUB_OUTPUT
          elif [[ ! -z '${{ github.event.release.upload_url }}' ]]
          then
            echo "upload_url=${{ github.event.release.upload_url }}" >> $GITHUB_OUTPUT
          else
            echo "upload_url=''" >> $GITHUB_OUTPUT
          fi

      - name: Print version
        run: |
          echo "Version=${{ steps.get_version_upload_url.outputs.version }}"

      - name: Update version in kustomization.yaml & default CRO
        run: |
          yq -i '.images[0].newTag="${{ steps.get_version_upload_url.outputs.version }}"' config/default/kustomization.yaml
          yq -i '.labels[0].pairs."app.kubernetes.io/version"="${{ steps.get_version_upload_url.outputs.version }}"' config/default/kustomization.yaml
          yq -i '.metadata.labels."app.kubernetes.io/version"="${{ steps.get_version_upload_url.outputs.version }}"' config/samples/operator_v1alpha1_capoperator.yaml
      
      - name: Download kustomize cli
        run: |
          curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"  | bash
          chmod +x kustomize
      
      - name: Generate Manifests
        run: |
          ./kustomize build config/default/ > $MANIFEST_FILENAME
          cat $MANIFEST_FILENAME
          cat config/samples/operator_v1alpha1_capoperator.yaml > $CR_FILENAME
      
      - name: Determine target commit
        id: get_target_commit
        run: |
          sha=$(git rev-parse HEAD)
          echo "Target commit: $sha"
          echo "sha=$sha" >> $GITHUB_OUTPUT
      
      - name: Wait for check suites to complete
        uses: sap-contributions/await-check-suites@master
        if: inputs.version == ''
        with:
          ref: ${{ steps.get_target_commit.outputs.sha }}
          intervalSeconds: 10
          timeoutSeconds: 1800
          failStepIfUnsuccessful: true
          appSlugFilter: github-actions
      
      - name: Upload manifest & default CR to release
        if: inputs.upload_url != '' || github.event.release.upload_url != ''
        run: |
          upload_url="${{ steps.get_version_upload_url.outputs.upload_url }}"
          upload_url=${upload_url%%\{*\}}
          file=$MANIFEST_FILENAME
          echo "Uploading manifest $file to $upload_url ..."
          curl -sSf \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ github.token }}" \
            -H "Content-Type: $(file -b --mime-type $file)" \
            --data-binary @$file \
            "$upload_url?name=$(basename $file)"
          
          file=$CR_FILENAME
          echo "Uploading default CR $file to $upload_url ..."
          curl -sSf \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ github.token }}" \
            -H "Content-Type: $(file -b --mime-type $file)" \
            --data-binary @$file \
            "$upload_url?name=$(basename $file)"