log submariner component's version on startup

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

Makefile

@@ -1,5 +1,6 @@
 BASE_BRANCH ?= devel
 export BASE_BRANCH
+export VERSION="devel"
 PROTOC_VERSION=3.17.3
 
 # Running in Dapper
@@ -18,7 +19,9 @@ endif
 include $(SHIPYARD_DIR)/Makefile.inc
 
 TARGETS := $(shell ls -p scripts | grep -v -e /)
-export LDFLAGS = -X main.VERSION=$(VERSION)
+GIT_COMMIT_VERSION := $(shell git show -s --format='format:%H')
+GIT_COMMIT_TIME := $(shell git show -s --format='format:%aI')
+export LDFLAGS = -X github.com/submariner-io/submariner/pkg/version/version.version=$(VERSION) github.com/submariner-io/submariner/pkg/version/version.gitCommit=$(GIT_COMMIT_VERSION) github.com/submariner-io/submariner/pkg/version/version.gitBuildDate=$(GIT_COMMIT_TIME)
 
 ifneq (,$(filter external-net,$(_using)))
 export TESTDIR = test/external
@@ -63,16 +66,24 @@ bin/protoc:
 	rm -f protoc-$(PROTOC_VERSION)-linux-x86_64.zip
 
 bin/%/submariner-gateway: main.go $(shell find pkg -not \( -path 'pkg/globalnet*' -o -path 'pkg/routeagent*' \)) pkg/natdiscovery/proto/natdiscovery.pb.go
-	GOARCH=$(call dockertogoarch,$(patsubst bin/linux/%/,%,$(dir $@))) ${SCRIPTS_DIR}/compile.sh $@ .
+	GOARCH=$(call dockertogoarch,$(patsubst bin/linux/%/,%,$(dir $@))) \
+    LDFLAGS=$(LDFLAGS) \
+    ${SCRIPTS_DIR}/compile.sh $@ .
 
 bin/%/submariner-route-agent: $(shell find pkg/routeagent_driver)
-	GOARCH=$(call dockertogoarch,$(patsubst bin/linux/%/,%,$(dir $@))) ${SCRIPTS_DIR}/compile.sh $@ ./pkg/routeagent_driver
+	GOARCH=$(call dockertogoarch,$(patsubst bin/linux/%/,%,$(dir $@))) \
+    LDFLAGS=$(LDFLAGS) \
+	${SCRIPTS_DIR}/compile.sh $@ ./pkg/routeagent_driver
 
 bin/%/submariner-globalnet: $(shell find pkg/globalnet)
-	GOARCH=$(call dockertogoarch,$(patsubst bin/linux/%/,%,$(dir $@))) ${SCRIPTS_DIR}/compile.sh $@ ./pkg/globalnet
+	GOARCH=$(call dockertogoarch,$(patsubst bin/linux/%/,%,$(dir $@))) \
+ 	LDFLAGS=$(LDFLAGS) \
+ 	${SCRIPTS_DIR}/compile.sh $@ ./pkg/globalnet
 
 bin/%/submariner-networkplugin-syncer: $(shell find pkg/networkplugin-syncer)
-	GOARCH=$(call dockertogoarch,$(patsubst bin/linux/%/,%,$(dir $@))) ${SCRIPTS_DIR}/compile.sh $@ ./pkg/networkplugin-syncer
+	GOARCH=$(call dockertogoarch,$(patsubst bin/linux/%/,%,$(dir $@))) \
+     LDFLAGS=$(LDFLAGS) \
+ 	${SCRIPTS_DIR}/compile.sh $@ ./pkg/networkplugin-syncer
 
 nullstring :=
 space := $(nullstring) # end of the line

main.go

@@ -24,6 +24,7 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"github.com/submariner-io/submariner/pkg/version"
 	"net/http"
 	"net/http/pprof"
 	"os"
@@ -114,6 +115,8 @@ func main() {
 	flag.Parse()
 	kzerolog.InitK8sLogging()
 
+	version.PrintVersion(&logger)
+
 	logger.Info("Starting the submariner gateway engine")
 
 	components := &componentsType{

pkg/globalnet/main.go

@@ -21,6 +21,7 @@ package main
 import (
 	"context"
 	"flag"
+	"github.com/submariner-io/submariner/pkg/version"
 	"net/http"
 	"net/http/pprof"
 	"time"
@@ -54,6 +55,8 @@ func main() {
 	flag.Parse()
 	kzerolog.InitK8sLogging()
 
+	version.PrintVersion(&logger)
+
 	var spec controllers.Specification
 
 	err := envconfig.Process("submariner", &spec)

pkg/networkplugin-syncer/main.go

@@ -31,6 +31,7 @@ import (
 	eventlogger "github.com/submariner-io/submariner/pkg/event/logger"
 	"github.com/submariner-io/submariner/pkg/networkplugin-syncer/handlers/ovn"
 	"github.com/submariner-io/submariner/pkg/routeagent_driver/environment"
+	"github.com/submariner-io/submariner/pkg/version"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
@@ -49,6 +50,8 @@ func main() {
 	flag.Parse()
 	kzerolog.InitK8sLogging()
 
+	version.PrintVersion(&logger)
+
 	logger.Info("Starting submariner-networkplugin-syncer")
 	// set up signals so we handle the first shutdown signal gracefully
 	stopCh := signals.SetupSignalHandler().Done()

pkg/routeagent_driver/main.go

@@ -42,6 +42,7 @@ import (
 	"github.com/submariner-io/submariner/pkg/routeagent_driver/handlers/kubeproxy"
 	"github.com/submariner-io/submariner/pkg/routeagent_driver/handlers/mtu"
 	"github.com/submariner-io/submariner/pkg/routeagent_driver/handlers/ovn"
+	"github.com/submariner-io/submariner/pkg/version"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/tools/clientcmd"
 	logf "sigs.k8s.io/controller-runtime/pkg/log"
@@ -59,6 +60,8 @@ func main() {
 	flag.Parse()
 	kzerolog.InitK8sLogging()
 
+	version.PrintVersion(&logger)
+
 	logger.Info("Starting submariner-route-agent using the event framework")
 	// set up signals so we handle the first shutdown signal gracefully
 	stopCh := signals.SetupSignalHandler().Done()

pkg/version/version.go

@@ -0,0 +1,40 @@
+/*
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package version
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/submariner-io/admiral/pkg/log"
+)
+
+var (
+	version         = "devel"
+	goRuntimeString = fmt.Sprintf("%s / %s / %s", runtime.Compiler, runtime.Version(), runtime.GOARCH)
+	gitCommit       string
+	gitBuildDate    string
+)
+
+func PrintVersion(logger *log.Logger) {
+	logger.Info(fmt.Sprintf("Go Version: %s", goRuntimeString))
+	logger.Info(fmt.Sprintf("Git Commit: %s", gitCommit))
+	logger.Info(fmt.Sprintf("Git Commit Time: %s", gitBuildDate))
+	logger.Info(fmt.Sprintf("Submariner version: %v", version))
+}