[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

@@ -5,6 +5,8 @@ metadata:
   annotations:
     description: Template to produce imagestreams and buildconfigs for jlinked application 
   name: jlink-app-template
+  labels:
+    jlink-app-name: ${APPNAME}
 ##############################################################################
 # List of parameters required to create template
 parameters:
@@ -29,6 +31,14 @@ 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
@@ -39,6 +49,8 @@ objects:
   kind: ImageStream
   metadata:
     name: ${APPNAME}-ubi9-openjdk-${JDK_VERSION}-jlink
+    labels:
+      jlink-app-name: ${APPNAME}
   spec:
     lookupPolicy:
       local: false
@@ -50,6 +62,7 @@ objects:
     name: ${APPNAME}-jlink-builder-jdk-${JDK_VERSION}
     labels:
       app: ${APPNAME}-jlink-builder-jdk-${JDK_VERSION}
+      jlink-app-name: ${APPNAME}
   spec:
     source:
       dockerfile: |
@@ -89,6 +102,8 @@ objects:
   kind: ImageStream
   metadata:
     name: ${APPNAME}-intermediate
+    labels:
+      jlink-app-name: ${APPNAME}
   spec:
     lookupPolicy:
       local: false
@@ -100,6 +115,7 @@ objects:
     name: ${APPNAME}-jlink-s2i-jdk-${JDK_VERSION}
     labels:
       app: ${APPNAME}-jlink-s2i-jdk-${JDK_VERSION}
+      jlink-app-name: ${APPNAME}
   spec:
     source:
       type: Git
@@ -139,6 +155,8 @@ objects:
   kind: ImageStream
   metadata:
     name: ${APPNAME}-ubimicro
+    labels:
+      jlink-app-name: ${APPNAME}
   spec:
     lookupPolicy:
       local: true
@@ -216,3 +234,83 @@ 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"
+    labels:
+      jlink-app-name: ${APPNAME}
+  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
+    labels:
+      jlink-app-name: ${APPNAME}
+  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
+    labels:
+      jlink-app-name: ${APPNAME}
+  spec:
+    to:
+      kind: Service
+      name: ${APPNAME}-jlinked-app-service
+    port:
+      targetPort: ${TARGET_PORT}
+- apiVersion: v1
+  kind: Pod
+  metadata:
+    name: ${APPNAME}-jlinked-app-pod
+    labels:
+      jlink-app-name: ${APPNAME}
+  spec:
+    containers:
+    - image: ${APPNAME}-lightweight-image:latest
+      name: ${APPNAME}-jlinked-app-container
+      ports:
+      - containerPort: ${{TARGET_PORT}}
+        protocol: TCP