⚠️ Rewrite harness as thin single-stage runner with SkillCard-based skills

.github/workflows/images.yml

@@ -53,19 +53,19 @@ jobs:
         if: github.event_name != 'pull_request'
         run: make controller-agent-push
 
-  agent-java-goose:
+  agent-images:
     permissions:
       contents: read
-    name: Build Java migration agent image
+    name: Build stage agent images
     runs-on: ubuntu-latest
     steps:
       - name: Clone the code
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
 
-      - name: Build image
-        run: make agent-java-goose-build
+      - name: Build images
+        run: make agent-images-build
 
       - name: Log in to Quay.io
         if: github.event_name != 'pull_request'
@@ -75,9 +75,9 @@ jobs:
           username: ${{ vars.QUAY_USERNAME }}
           password: ${{ secrets.QUAY_PASSWORD }}
 
-      - name: Push image
+      - name: Push images
         if: github.event_name != 'pull_request'
-        run: make agent-java-goose-push
+        run: make agent-images-push
 
   controller:
     permissions:

Makefile

@@ -100,7 +100,11 @@ lint-config: golangci-lint ## Verify golangci-lint linter configuration
 ##@ Build
 
 CONTROLLER_AGENT_IMG ?= quay.io/konveyor/agentic-controller-agent:latest
-AGENT_JAVA_GOOSE_IMG ?= quay.io/konveyor/agent-base-goose-java:latest
+AGENT_BASE_IMG ?= quay.io/konveyor/agent-base:latest
+AGENT_JAVA_IMG ?= quay.io/konveyor/agent-java:latest
+AGENT_GO_IMG ?= quay.io/konveyor/agent-go:latest
+AGENT_CSHARP_IMG ?= quay.io/konveyor/agent-csharp:latest
+AGENT_NODEJS_IMG ?= quay.io/konveyor/agent-nodejs:latest
 
 .PHONY: build
 build: manifests generate fmt vet ## Build manager binary.
@@ -114,13 +118,36 @@ controller-agent-build: ## Build the controller's test/verification agent image.
 controller-agent-push: controller-agent-build ## Build and push the controller's test/verification agent image.
 	$(CONTAINER_TOOL) push $(CONTROLLER_AGENT_IMG)
 
-.PHONY: agent-java-goose-build
-agent-java-goose-build: ## Build the Java migration agent image (Goose + JDK 21 + harness).
-	$(CONTAINER_TOOL) build -t $(AGENT_JAVA_GOOSE_IMG) -f images/agent-base-goose-java/Containerfile .
+.PHONY: agent-base-build
+agent-base-build: ## Build the base agent image (goose + git + Python + graphify + harness binary).
+	$(CONTAINER_TOOL) build -t $(AGENT_BASE_IMG) -f images/agent-base/Containerfile .
 
-.PHONY: agent-java-goose-push
-agent-java-goose-push: agent-java-goose-build ## Build and push the Java migration agent image.
-	$(CONTAINER_TOOL) push $(AGENT_JAVA_GOOSE_IMG)
+.PHONY: agent-java-build
+agent-java-build: agent-base-build ## Build the Java agent image (JDK 21 + Maven).
+	$(CONTAINER_TOOL) build -t $(AGENT_JAVA_IMG) -f images/agent-java/Containerfile .
+
+.PHONY: agent-go-build
+agent-go-build: agent-base-build ## Build the Go agent image.
+	$(CONTAINER_TOOL) build -t $(AGENT_GO_IMG) -f images/agent-go/Containerfile .
+
+.PHONY: agent-csharp-build
+agent-csharp-build: agent-base-build ## Build the C# agent image (.NET SDK).
+	$(CONTAINER_TOOL) build -t $(AGENT_CSHARP_IMG) -f images/agent-csharp/Containerfile .
+
+.PHONY: agent-nodejs-build
+agent-nodejs-build: agent-base-build ## Build the Node.js agent image.
+	$(CONTAINER_TOOL) build -t $(AGENT_NODEJS_IMG) -f images/agent-nodejs/Containerfile .
+
+.PHONY: agent-images-build
+agent-images-build: agent-java-build agent-go-build agent-csharp-build agent-nodejs-build ## Build all agent images.
+
+.PHONY: agent-images-push
+agent-images-push: agent-images-build ## Build and push all agent images.
+	$(CONTAINER_TOOL) push $(AGENT_BASE_IMG)
+	$(CONTAINER_TOOL) push $(AGENT_JAVA_IMG)
+	$(CONTAINER_TOOL) push $(AGENT_GO_IMG)
+	$(CONTAINER_TOOL) push $(AGENT_CSHARP_IMG)
+	$(CONTAINER_TOOL) push $(AGENT_NODEJS_IMG)
 
 .PHONY: run
 run: manifests generate fmt vet ## Run a controller from your host.

changes/unreleased/53-harness-thin-runner.yaml

@@ -0,0 +1,5 @@
+kind: enhancement
+
+description: >
+  Rewrite harness as thin single-stage runner with SkillCard-based skills,
+  filesystem watcher for incremental commits, and per-stage container images.

config/samples/kustomization.yaml

@@ -2,8 +2,10 @@
 # These provide out-of-the-box migration skills backed by
 # OCI images pushed to quay.io/konveyor/skills/.
 resources:
+  - skillcard_javax_to_jakarta_ee.yaml
   - skillcard_maven_migration.yaml
   - skillcard_no_javax_imports.yaml
   - skillcard_ejb_to_cdi.yaml
+  - skillcard_javaee_to_quarkus.yaml
   - skillcollection_java_migration.yaml
 #+kubebuilder:scaffold:manifestskustomizesamples

config/samples/skillcard_javaee_to_quarkus.yaml

@@ -0,0 +1,18 @@
+apiVersion: konveyor.io/v1alpha1
+kind: SkillCard
+metadata:
+  name: javaee-to-quarkus
+spec:
+  image: quay.io/konveyor/skills:javaee-to-quarkus
+  displayName: Java EE to Quarkus Migration
+  version: "1.0.0"
+  description: >
+    Migrates Java EE 7/8 applications (WebLogic, JBoss, WildFly) to Quarkus 3.
+    Covers EJB-to-CDI, JMS/MDB-to-SmallRye Reactive Messaging, WAR-to-JAR packaging,
+    persistence.xml-to-application.properties, JNDI removal, and server lifecycle replacement.
+  type: skill
+  tags:
+    - java
+    - javaee
+    - quarkus
+    - migration

config/samples/skillcard_javax_to_jakarta_ee.yaml

@@ -0,0 +1,18 @@
+apiVersion: konveyor.io/v1alpha1
+kind: SkillCard
+metadata:
+  name: javax-to-jakarta-ee
+spec:
+  image: quay.io/konveyor/skills:javax-to-jakarta-ee
+  displayName: javax to Jakarta EE Migration
+  version: "1.0.0"
+  description: >
+    Migrates Java EE 8 (javax) applications to Jakarta EE 9/10 (jakarta).
+    Covers dependency changes, package-level renames, XML namespace updates,
+    ServiceLoader file renames, and removed specifications.
+  type: skill
+  tags:
+    - java
+    - javaee
+    - jakarta
+    - migration

config/samples/skillcollection_java_migration.yaml

@@ -3,11 +3,15 @@ kind: SkillCollection
 metadata:
   name: java-migration-skills
 spec:
-  version: "1.0.0"
+  version: "2.0.0"
   skills:
+    - name: javax-to-jakarta-ee
+      skillCardRef: javax-to-jakarta-ee
     - name: maven-migration
       skillCardRef: maven-migration
     - name: no-javax-imports
       skillCardRef: no-javax-imports
     - name: ejb-to-cdi
       skillCardRef: ejb-to-cdi
+    - name: javaee-to-quarkus
+      skillCardRef: javaee-to-quarkus