Printout git commit for better debugging.

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)