cleanup: go folder (#795)

- go dir structure: move controller folder under pkg and internal
- remove webhook: we don't have it anyway

Author: yuval-k

go/controller/.gitignore renamed to go/.gitignore

@@ -18,9 +18,10 @@ RUN --mount=type=cache,target=/root/go/pkg/mod,rw      \
      go mod download
 
 # Copy the go source
+COPY api api
+COPY cmd cmd
 COPY pkg pkg
 COPY internal internal
-COPY controller controller
 # Build
 # the GOARCH has not a default value to allow the binary be built according to the host where the command
 # was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
@@ -30,7 +31,7 @@ ARG LDFLAGS
 RUN --mount=type=cache,target=/root/go/pkg/mod,rw             \
     --mount=type=cache,target=/root/.cache/go-build,rw        \
     echo "Building on $BUILDPLATFORM -> linux/$TARGETARCH" && \
-    CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -ldflags "$LDFLAGS" -o manager controller/cmd/main.go
+    CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -ldflags "$LDFLAGS" -o manager cmd/controller/main.go
 
 ### STAGE 2: final image
 # Use distroless as minimal base image to package the manager binary

go/Dockerfile

@@ -16,12 +16,12 @@ endif
 ##@ Development
 
 .PHONY: manifests
-manifests: controller-gen generate ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.
-	$(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases
+manifests: controller-gen generate ## Generate ClusterRole and CustomResourceDefinition objects.
+	$(CONTROLLER_GEN) rbac:roleName=manager-role crd paths="./..." output:crd:artifacts:config=config/crd/bases
 
 .PHONY: generate
 generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
-	$(CONTROLLER_GEN) object:headerFile="controller/hack/boilerplate.go.txt" paths="./..."
+	$(CONTROLLER_GEN) object:headerFile="internal/controller/hack/boilerplate.go.txt" paths="./..."
 
 .PHONY: fmt
 fmt: ## Run go fmt against code.
@@ -94,7 +94,7 @@ build: bin/kagent-linux-amd64.sha256 bin/kagent-linux-arm64.sha256 bin/kagent-da
 
 .PHONY: run
 run: manifests generate fmt vet ## Run a controller from your host.
-	go run ./controller/cmd/main.go
+	go run ./cmd/controller/main.go
 
 .PHONY: test
 test: