[OPENJDK-2992] Create DeploymentConfig and Route for jlink apps

templates/jlink/README.md

@@ -57,13 +57,17 @@ Some suitable test values for the parameters are
  * REF: master
  * CONTEXT_DIR: quarkus-quickstarts/getting-started-3.9.2-uberjar
  * APPNAME: quarkus-quickstart
+ * TARGET_PORT: 8080
+ * SERVICE_PORT: 8080
 
         oc process \
             -p JDK_VERSION=17 \
             -p APP_URI=https://github.com/jboss-container-images/openjdk-test-applications \
             -p REF=master \
             -p CONTEXT_DIR=quarkus-quickstarts/getting-started-3.9.2-uberjar \
             -p APPNAME=quarkus-quickstart \
+            -p TARGET_PORT=8080 \
+            -p SERVICE_PORT=8080 \
             templates/jlink-app-template \
             | oc create -f -
 

templates/jlink/jlinked-app.yaml

@@ -29,6 +29,14 @@ parameters:
   generate: expression
   from: "[a-zA-Z0-9]{16}"
   required: true
+- description: Target port for the created Route
+  name: TARGET_PORT
+  value: "8080"
+  required: true
+- description: Port for the created Service to listen on
+  name: SERVICE_PORT
+  value: "8181"
+  required: true
 message: "... The GitHub webhook secret is ${GITHUB_WEBHOOK_SECRET} ..."
 ##############################################################################
 # Following are the objects(imagestream and buildconfigs) for all the 3-stages
@@ -216,3 +224,64 @@ objects:
           from:
             kind: ImageStreamTag
             name: ${APPNAME}-ubimicro:latest  # ImageStreamTag for registry.access.redhat.com/ubi9/ubi-micro
+##############################################################################
+# DeploymentConfig and Route object specs
+# DeploymentConfigs are discouraged, however the documentation sugggests to still
+# use them if features are missing from Deployments, which in our case they are.
+- apiVersion: apps.openshift.io/v1
+  kind: DeploymentConfig
+  metadata:
+    name: ${APPNAME}-jlinked-app-deployment
+    annotations:
+      template.alpha.openshift.io/wait-for-ready: "true"
+  spec:
+    replicas: 1
+    selector:
+      app: ${APPNAME}-jlinked-app
+    template:
+      metadata:
+        labels:
+          app: ${APPNAME}-jlinked-app
+      spec:
+        containers:
+          - name: ${APPNAME}-jlinked-app-container
+            image: >-
+              ${APPNAME}-lightweight-image:latest
+            ports:
+              - containerPort: 8080
+                protocol: TCP
+    strategy:
+      type: Rolling
+    triggers:
+    - type: ImageChange
+      imageChangeParams:
+        automatic: true
+        containerNames:
+          - ${APPNAME}-jlinked-app-container
+        from:
+          kind: ImageStreamTag
+          name: '${APPNAME}-lightweight-image:latest'
+          namespace: default
+    - type: ConfigChange
+- apiVersion: v1
+  kind: Service
+  metadata:
+    name: ${APPNAME}-jlinked-app-service
+  spec:
+    selector:
+      app: ${APPNAME}-jlinked-app
+    ports:
+      - protocol: TCP
+        name: target-${TARGET_PORT}-tcp
+        port: ${{SERVICE_PORT}}
+        targetPort: ${{TARGET_PORT}}
+- apiVersion: route.openshift.io/v1
+  kind: Route
+  metadata:
+    name: ${APPNAME}-jlinked-app-route
+  spec:
+    to:
+      kind: Service
+      name: ${APPNAME}-jlinked-app-service
+    port:
+      targetPort: ${TARGET_PORT}