Replace GitHub workflow with multi workshop variant.

Author: GrahamDumpleton

.github/workflows/publish-workshop.yaml

@@ -0,0 +1,72 @@
+name: Publish Workshops
+
+on:
+  push:
+    tags:
+      - "[0-9]+.[0-9]+"
+      - "[0-9]+.[0-9]+-alpha.[0-9]+"
+      - "[0-9]+.[0-9]+-beta.[0-9]+"
+      - "[0-9]+.[0-9]+-rc.[0-9]+"
+
+jobs:
+  publish-workshops:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Install Carvel tools
+      shell: bash
+      run: curl -L https://carvel.dev/install.sh | bash
+
+    - name: Install Educates CLI
+      shell: bash
+      run: |
+        # curl -Lo /usr/local/bin/educates https://github.com/vmware-tanzu-labs/educates-training-platform/releases/download/2.6.0-alpha.31/educates-linux-amd64
+        # chmod +x /usr/local/bin/educates
+        imgpkg pull -i ghcr.io/vmware-tanzu-labs/educates-client-programs:2.6.0-alpha.31 -o /tmp/client-programs
+        mv /tmp/client-programs/educates-linux-amd64 /usr/local/bin/educates
+
+    - name: Setup repository variables and release details
+      shell: bash
+      run: |
+        echo REPOSITORY_OWNER=$(echo "${{github.repository_owner}}" | tr '[:upper:]' '[:lower:]') >>${GITHUB_ENV}
+        echo REPOSITORY_NAME=${{github.event.repository.name}} >>${GITHUB_ENV}
+        echo REPOSITORY_TAG=$(echo "${{github.ref}}" | sed -e 's%refs/tags/%%') >>${GITHUB_ENV}
+
+    - name: Publish workshops and create workshop definitions
+      shell: bash
+      run : |
+        for WORKSHOP_DIRECTORY in workshops/*; do
+          mkdir -p ${{runner.temp}}/${WORKSHOP_DIRECTORY}/resources
+          educates publish-workshop ${WORKSHOP_DIRECTORY} \
+            --export-workshop ${{runner.temp}}/${WORKSHOP_DIRECTORY}/resources/workshop.yaml \
+            --image-repository=ghcr.io/${REPOSITORY_OWNER} \
+            --workshop-version=${REPOSITORY_TAG} \
+            --registry-username=${{github.actor}} \
+            --registry-password=${{secrets.GITHUB_TOKEN}}
+        done
+
+    - name: Generate archives containing the workshop definitions
+      shell: bash
+      run: |
+        ytt -f ${{runner.temp}}/workshops > ${{runner.temp}}/workshops.yaml
+        (cd ${{runner.temp}}; tar cvfz workshops.tar.gz workshops)
+        (cd ${{runner.temp}}; zip workshops.zip -r workshops)
+
+    - name: Create the GitHub release for the workshops
+      id: create_release
+      uses: softprops/action-gh-release@v1
+      env:
+        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      with:
+        tag_name: ${{env.REPOSITORY_TAG}}
+        name: ${{env.REPOSITORY_NAME}}:${{env.REPOSITORY_TAG}}
+        draft: false
+        prerelease: false
+        files: |
+          ${{runner.temp}}/workshops.tar.gz
+          ${{runner.temp}}/workshops.zip
+          ${{runner.temp}}/workshops.yaml
+          resources/trainingportal.yaml