Printout git commit for better debugging.

Signed-off-by: xuezhaojun <[email protected]>

Makefile

@@ -1,4 +1,3 @@
-
 # Image URL to use all building/pushing image targets
 IMG ?= controller:latest
 IMAGE_REGISTRY_NAME ?= quay.io/open-cluster-management
@@ -112,9 +111,11 @@ client-gen:
  	--versions=open-cluster-management.io/cluster-proxy/pkg/apis/proxy/v1alpha1
 
 images:
+	git_commit=$$(git rev-parse --short HEAD) && \
 	docker build \
 		-f cmd/Dockerfile \
 		--build-arg ADDON_AGENT_IMAGE_NAME=$(IMAGE_REGISTRY_NAME)/$(IMAGE_NAME):$(IMAGE_TAG) \
+		--build-arg GIT_COMMIT=$$git_commit \
 		-t $(IMAGE_REGISTRY_NAME)/$(IMAGE_NAME):$(IMAGE_TAG) .
 
 ENVTEST_ASSETS_DIR=$(shell pwd)/testbin

cmd/Dockerfile

@@ -6,6 +6,7 @@ WORKDIR /workspace
 ARG APISERVER_NETWORK_PROXY_VERSION=0.30.2
 ARG KUBECTL_VERSION=v1.30.2
 ARG ADDON_AGENT_IMAGE_NAME
+ARG GIT_COMMIT
 
 # Build Apiserver-network-proxy binaries
 RUN wget https://github.com/kubernetes-sigs/apiserver-network-proxy/archive/refs/tags/v${APISERVER_NETWORK_PROXY_VERSION}.tar.gz \
@@ -33,7 +34,8 @@ COPY pkg pkg/
 # Build addons
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o agent cmd/addon-agent/main.go
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a \
-        -ldflags="-X 'open-cluster-management.io/cluster-proxy/pkg/config.AgentImageName=${ADDON_AGENT_IMAGE_NAME}'" \
+        -ldflags="-X 'open-cluster-management.io/cluster-proxy/pkg/config.AgentImageName=${ADDON_AGENT_IMAGE_NAME}' \
+                  -X 'main.gitCommit=${GIT_COMMIT}'" \
         -o manager cmd/addon-manager/main.go
 
 # Use distroless as minimal base image to package the manager binary

cmd/addon-manager/main.go

@@ -19,6 +19,7 @@ package main
 import (
 	"context"
 	"flag"
+	"fmt"
 	"os"
 
 	// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
@@ -49,6 +50,8 @@ import (
 	//+kubebuilder:scaffold:imports
 )
 
+var gitCommit string
+
 var (
 	scheme   = runtime.NewScheme()
 	setupLog = ctrl.Log.WithName("setup")
@@ -91,6 +94,8 @@ func main() {
 
 	flag.Parse()
 
+	fmt.Printf("Starting addon-manager. Git commit: %s\n", gitCommit)
+
 	// pipe controller-runtime logs to klog
 	ctrl.SetLogger(logger)