Add deploy stage in CI

.gitlab-ci.yml

@@ -5,6 +5,7 @@ stages:
   - build
   - publish
   - publish-docker-description
+  - deploy
 
 variables:
   GIT_STRATEGY:                    fetch
@@ -77,6 +78,17 @@ default:
     # this job runs only on nightly pipeline with the mentioned variable, against `master` branch
     - if: $CI_PIPELINE_SOURCE == "schedule" && $PIPELINE == "nightly"
 
+.deploy-refs:                       &deploy-refs
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "pipeline"
+      when: never
+    - if: $SCHEDULED_JOB
+      when: never
+    - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]+\.[0-9]+.*$/              # i.e. v1.0, v2.1rc1
+      when: manual
+    - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]{4}-[0-9]{2}-[0-9]{2}.*$/  # i.e. v2021-09-27, v2021-09-27-1
+      when: manual
+
 .nightly-test:                     &nightly-test
   rules:
     # 2. another is triggered by scripts repo $CI_PIPELINE_SOURCE == "pipeline" it's for the CI image
@@ -360,4 +372,27 @@ dockerhub-bridges-common-relay:
   variables:
     SHORT_DESCRIPTION:    "bridges-common-relay"
 
-# FIXME: publish binaries
+# FIXME: publish binaries
+
+deploy-bridges-common-relay-testnet:
+  <<: *deploy-refs
+  needs:
+    - job: bridges-common-relay
+  stage: deploy
+  image: argoproj/argocd:v2.5.5
+  environment: parity-testnet
+  variables:
+    ARGOCD_OPTS: --grpc-web --grpc-web-root-path /parity-testnet
+    APP: bridges-common-relay
+  before_script:
+    - if [[ "${CI_COMMIT_TAG}" ]]; then
+        VERSION=${CI_COMMIT_TAG};
+      elif [[ "${CI_COMMIT_REF_NAME}" ]]; then
+        VERSION=$(echo ${CI_COMMIT_REF_NAME} | sed -r 's#/+#-#g');
+      fi
+  script:
+    - echo "Starting deploy version=${VERSION}"
+    - argocd app list
+    - argocd app set  $APP --helm-set bridges-common-relay.image.tag=$VERSION
+    - argocd app sync $APP
+    - argocd app wait $APP --timeout 120