Use the main image when testing PRs targeting to release branches

Author: valmiranogueira

.github/workflows/test.yaml

@@ -48,11 +48,26 @@ jobs:
 
       - name: Run chart-testing (install)
         run: |
-          OPERATOR_INSTALL=$(ct list-changed --config .github/ct.yaml | sed 's:charts/::' | grep "\-db$" | sed 's/-db$/-operator/')
+          echo "Base branch is $GITHUB_BASE_REF"
+          excluded_charts=("everest")
+          OPERATOR_INSTALL=$(ct list-changed --config .github/ct.yaml | sed -E 's:charts/::' | awk '/(-db|-operator)$/ { sub(/-db$/, "-operator"); print }' | sort -u)
+
           if [ -n "$OPERATOR_INSTALL" ]; then
-            for operator in $OPERATOR_INSTALL; do helm install --namespace default $operator charts/$operator/.; done
+            for operator in $OPERATOR_INSTALL; do
+              HELM_ARGS=()
+              if [[ "$GITHUB_BASE_REF" == release-* ]]; then
+                IMAGE_NAME=$(yq e '.image.repository' "charts/$operator/values.yaml" | awk -F/ '{print $NF}')
+                HELM_ARGS=(
+                  --set "image.repository=perconalab/$IMAGE_NAME"
+                  --set "image.tag=main"
+                )
+              fi
+              helm install --namespace default $operator charts/$operator/. --wait --debug "${HELM_ARGS[@]}"
+              excluded_charts+=($operator)
+            done
           fi
-          ct install --config .github/ct.yaml --excluded-charts=everest,pmm-ha,pmm-ha-dependencies
+
+          ct install --config .github/ct.yaml --excluded-charts=$(IFS=,; echo "${excluded_charts[*]}")
 
           if [ -n "$OPERATOR_INSTALL" ]; then
             for operator in $OPERATOR_INSTALL; do helm uninstall --namespace default $operator; done