Upgrade job to use merge branch

.gitlab-ci.yml

@@ -156,9 +156,9 @@ upgrade:
   variables:
     CLUSTER_NAME: "upgrade-${CI_COMMIT_SHORT_SHA}"
   script:
-    - echo "Install Big Bang from ${CI_DEFAULT_BRANCH}"
+    - echo "Install Big Bang from ${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}"
     - echo -e "\e[0Ksection_start:`date +%s`:git_master[collapsed=true]\r\e[0K\e[33;1mGit Fetch Master\e[37m"  
-    - git fetch && git checkout ${CI_DEFAULT_BRANCH}
+    - git fetch && git checkout ${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}
     - echo -e "\e[0Ksection_end:`date +%s`:git_master\r\e[0K"
     - *deploy_bigbang
     - *test_bigbang

tests/deploy/01_deploy_bigbang.sh

@@ -42,6 +42,9 @@ helm upgrade -i bigbang chart -n bigbang --create-namespace \
 if [[ $(git branch --show-current) == "${CI_DEFAULT_BRANCH}" ]]; then
   echo "Deploying secrets from the ${CI_DEFAULT_BRANCH} branch"
   kubectl apply -f tests/ci/shared-secrets.yaml
+elif [[ $(git branch --show-current) == "${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}" ]]; then
+  echo "Deploying secrets from the ${CI_MERGE_REQUEST_TARGET_BRANCH_NAME} branch"
+  cat tests/ci/shared-secrets.yaml | sed 's|master|'"$CI_MERGE_REQUEST_TARGET_BRANCH_NAME"'|g' | kubectl apply -f -
 elif [ -z "$CI_COMMIT_TAG" ]; then
   echo "Deploying secrets from the ${CI_COMMIT_REF_NAME} branch"
   cat tests/ci/shared-secrets.yaml | sed 's|master|'"$CI_COMMIT_REF_NAME"'|g' | kubectl apply -f -