allow overriding CI_CLOUD for PRs using label

Author: sjpb

.github/workflows/fatimage.yml

@@ -29,6 +29,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Record settings for CI cloud
+        run: |
+          echo CI_CLOUD: ${{ env.CI_CLOUD }}
+
       - name: Setup ssh
         run: |
           set -x

.github/workflows/stackhpc.yml

@@ -35,19 +35,33 @@ jobs:
       ANSIBLE_FORCE_COLOR: True
       OS_CLOUD: openstack
       TF_VAR_cluster_name: slurmci-${{ matrix.os_version }}-${{ github.run_number }}
-      CI_CLOUD: ${{ vars.CI_CLOUD }}
+      CI_CLOUD: ${{ vars.CI_CLOUD }} # default from repo settings
     steps:
       - uses: actions/checkout@v2
 
+      - name: Override CI_CLOUD if PR label is present
+        if: ${{ github.event_name == 'pull_request' }}
+        run: |
+          # Iterate over the labels
+          labels=$(echo '${{ toJSON(github.event.pull_request.labels) }}' | jq -r '.[].name')
+          echo $labels
+          for label in $labels; do
+             if [[ $label == CI_CLOUD=* ]]; then
+              # Extract the value after 'CI_CLOUD='
+              CI_CLOUD_OVERRIDE=${label#CI_CLOUD=}
+              echo "CI_CLOUD=${CI_CLOUD_OVERRIDE}" >> $GITHUB_ENV
+            fi
+          done
+
       - name: Record settings for CI cloud
         run: |
-          echo CI_CLOUD: ${{ vars.CI_CLOUD }}
+          echo CI_CLOUD: ${{ env.CI_CLOUD }}
 
       - name: Setup ssh
         run: |
           set -x
           mkdir ~/.ssh
-          echo "${{ secrets[format('{0}_SSH_KEY', vars.CI_CLOUD)] }}" > ~/.ssh/id_rsa
+          echo "${{ secrets[format('{0}_SSH_KEY', env.CI_CLOUD)] }}" > ~/.ssh/id_rsa
           chmod 0600 ~/.ssh/id_rsa
         shell: bash
 
@@ -70,7 +84,7 @@ jobs:
       - name: Write clouds.yaml
         run: |
           mkdir -p ~/.config/openstack/
-          echo "${{ secrets[format('{0}_CLOUDS_YAML', vars.CI_CLOUD)] }}" > ~/.config/openstack/clouds.yaml
+          echo "${{ secrets[format('{0}_CLOUDS_YAML', env.CI_CLOUD)] }}" > ~/.config/openstack/clouds.yaml
         shell: bash
 
       - name: Setup environment-specific inventory/terraform inputs
@@ -88,7 +102,7 @@ jobs:
           . venv/bin/activate
           . environments/.stackhpc/activate
           cd $APPLIANCES_ENVIRONMENT_ROOT/terraform
-          terraform apply -auto-approve -var-file="${{ vars.CI_CLOUD }}.tfvars"
+          terraform apply -auto-approve -var-file="${{ env.CI_CLOUD }}.tfvars"
         env:
           TF_VAR_os_version: ${{ matrix.os_version }}
 
@@ -97,7 +111,7 @@ jobs:
           . venv/bin/activate
           . environments/.stackhpc/activate
           cd $APPLIANCES_ENVIRONMENT_ROOT/terraform
-          terraform destroy -auto-approve -var-file="${{ vars.CI_CLOUD }}.tfvars"
+          terraform destroy -auto-approve -var-file="${{ env.CI_CLOUD }}.tfvars"
         if: failure() && steps.provision_servers.outcome == 'failure'
         env:
           TF_VAR_os_version: ${{ matrix.os_version }}
@@ -197,7 +211,7 @@ jobs:
           . venv/bin/activate
           . environments/.stackhpc/activate
           cd $APPLIANCES_ENVIRONMENT_ROOT/terraform
-          terraform destroy -auto-approve -var-file="${{ vars.CI_CLOUD }}.tfvars"
+          terraform destroy -auto-approve -var-file="${{ env.CI_CLOUD }}.tfvars"
         if: ${{ success() || cancelled() }}
         env:
           TF_VAR_os_version: ${{ matrix.os_version }}