Add carvel build for milestone workflow

Author: jvalkeal

.github/workflows/milestone-controller.yml

@@ -129,6 +129,16 @@ jobs:
             {
               "if": "data.event == 'build-succeed' && data.repo == 'spring-cloud-dataflow' && data.owner == 'spring-cloud'",
               "action": "workflow_dispatch",
+              "workflow_dispatch": {
+                "owner": "spring-cloud",
+                "repo": "spring-cloud-dataflow",
+                "ref": "main",
+                "workflow": "carvel-worker.yml"
+              }
+            },
+            {
+              "if": "data.event == 'carvel-succeed' && data.repo == 'spring-cloud-dataflow' && data.owner == 'spring-cloud'",
+              "action": "workflow_dispatch",
               "workflow_dispatch": {
                 "owner": "spring-cloud",
                 "repo": "spring-cloud-dataflow",
@@ -166,5 +176,12 @@ jobs:
               "fail": {
                 "message": "something went wrong in build train"
               }
+            },
+            {
+              "if": "data.event == 'carvel-failed'",
+              "action": "fail",
+              "fail": {
+                "message": "hi, something went wrong with carvel"
+              }
             }
           ]

.github/workflows/milestone-worker.yml

@@ -142,8 +142,12 @@ jobs:
           -P-spring,stagingmilestone,full,deploymentfiles \
           -DskipTests -U -B
         jfrog rt build-publish
+        echo BUILD_ZOO_HANDLER_spring_cloud_dataflow_version=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout) >> $GITHUB_ENV
         echo BUILD_ZOO_HANDLER_spring_cloud_dataflow_buildname=spring-cloud-dataflow-main-milestone >> $GITHUB_ENV
         echo BUILD_ZOO_HANDLER_spring_cloud_dataflow_buildnumber=$GITHUB_RUN_NUMBER >> $GITHUB_ENV
+        echo BUILD_ZOO_HANDLER_spring_cloud_skipper_version=$(mvn help:evaluate -Dexpression=spring-cloud-skipper.version -q -DforceStdout) >> $GITHUB_ENV
+        echo BUILD_ZOO_HANDLER_spring_cloud_dataflow_version_nopostfix=$(echo '${parsedVersion.majorVersion}.${parsedVersion.minorVersion}.${parsedVersion.incrementalVersion}' | mvn build-helper:parse-version help:evaluate -q -DforceStdout) >> $GITHUB_ENV
+        echo BUILD_ZOO_HANDLER_spring_cloud_dataflow_prerelease=$(echo '${parsedVersion.qualifier}' | mvn build-helper:parse-version help:evaluate -q -DforceStdout) >> $GITHUB_ENV
 
     # zoo tag
     - name: Tag Release