Add label prefix e2e test

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

test/kubernetes/install.sh

@@ -12,4 +12,4 @@ kubectl apply -k ${REPO_ROOT}/kustomize/kubernetes
 kubectl -n flagger-system set image deployment/flagger flagger=test/flagger:latest
 
 kubectl -n flagger-system rollout status deployment/flagger
-kubectl -n flagger-system rollout status deployment/flagger-prometheus
+kubectl -n flagger-system rollout status deployment/flagger-prometheus

test/kubernetes/test-deployment.sh

@@ -72,6 +72,17 @@ until ${ok}; do
     fi
 done
 
+passed=$(kubectl -n test get deploy/podinfo-primary -oyaml 2>&1 | { grep test-label-prefix || true; })
+if [ -z "$passed" ]; then
+  echo -e '\u2716 primary copy labels by prefix test failed'
+  exit 1
+fi
+passed=$(kubectl -n test get deploy/podinfo-primary -oyaml 2>&1 | { grep test-annotation-prefix || true; })
+if [ -z "$passed" ]; then
+  echo -e '\u2716 primary copy annotations by prefix test failed'
+  exit 1
+fi
+
 echo '✔ Canary initialization test passed'
 
 echo '>>> Triggering canary deployment'

test/workloads/deployment.yaml

@@ -4,7 +4,10 @@ metadata:
   name: podinfo
   namespace: test
   labels:
-    app: podinfo
+    app.kubernetes.io/name: podinfo
+    app.kubernetes.io/managed-by: test-label-prefix
+  annotations:
+    app.kubernetes.io/instance: test-annotation-prefix
 spec:
   minReadySeconds: 5
   revisionHistoryLimit: 5