interactive istio injection

.gitlab-ci.yml

 stages:
     - deploy
+    - inject
     - teardown
 
 variables:
@@ -7,9 +8,31 @@ variables:
   CLUSTER: "rig.th-luebeck.dev"
 
 yelb:
-    stage: deploy
-    image: $KUBECTL
-    script:
-        - NS=$(kubectl config view --minify --output 'jsonpath={..namespace}')
-        - VHOST=yelb.$NS.$CLUSTER VHOST2=yelb.$NS.$CLUSTER mo deploy/yelb.yaml
-        - VHOST=yelb.$NS.$CLUSTER VHOST2=yelb.$NS.$CLUSTER mo deploy/yelb.yaml | kubectl apply -f -
+  stage: deploy
+  image: $KUBECTL
+  script:
+    - VHOST=yelb.$NS.$CLUSTER
+    - NS=$(kubectl config view --minify --output 'jsonpath={..namespace}')
+    - mo deploy/yelb.yaml | kubectl apply -f -
+
+istio:
+  stage: inject
+  image: $KUBECTL
+  when: manual
+  script:
+    - VHOST=yelb.$NS.$CLUSTER
+    - NS=$(kubectl config view --minify --output 'jsonpath={..namespace}')
+    - kubectl label ns $NS istio-inject=enabled --overwrite
+    - mo deploy/yelb.yaml | kubectl delete -f -
+    - sleep 5
+    - mo deploy/yelb.yaml | kubectl apply -f -
+
+shutdown:
+  stage: teardown
+  image: $KUBECTL
+  when: manual
+  script:
+    - VHOST=yelb.$NS.$CLUSTER
+    - NS=$(kubectl config view --minify --output 'jsonpath={..namespace}')
+    - kubectl label ns $NS istio-inject=disabled --overwrite
+    - mo deploy/yelb.yaml | kubectl delete -f -

deploy/yelb.yaml

@@ -78,8 +78,7 @@ spec:
                   number: 80
   tls:
     - secretName: yelb-ingress-cert
-      hosts:
-        - {{ VHOST2 }}
+      hosts: ["{{ VHOST }}"]
 ---
 apiVersion: apps/v1
 kind: Deployment