Adding version details to sidecar

Signed-off-by: saranyareddy24 <[email protected]>

Makefile

@@ -7,7 +7,6 @@ TOOLS_IMG ?= quay.io/csiaddons/tools
 
 # set TAG to a release for consumption in the bundle
 TAG ?= latest
-
 # In case the *_IMG variables can contain a full qualified container-image
 # resource (includes a ":"), the container-images should not use the TAG
 # valued. The :TAG option will only be added if no predefined version is
@@ -56,6 +55,24 @@ ifneq ($(TAG),latest)
 BUNDLE_VERSION ?= --version=$(shell sed s/^v// <<< $(TAG))
 endif
 
+ifndef GIT_COMMIT
+GIT_COMMIT=$(shell git rev-list -1 HEAD)
+endif
+
+ifndef GIT_TAG
+GIT_TAG=$(shell git describe --tags --exact-match --abbrev=0 2>/dev/null)
+endif
+
+ifeq ($(GIT_TAG),)
+GIT_TAG=$(shell git rev-parse --short HEAD)
+endif
+
+GO_PROJECT=github.com/csi-addons/kubernetes-csi-addons
+
+LDFLAGS ?=
+LDFLAGS += -X $(GO_PROJECT)/sidecar/internal/version.GitCommit=$(GIT_COMMIT)
+LDFLAGS += -X $(GO_PROJECT)/sidecar/internal/version.SidecarVersion=$(GIT_TAG)
+
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 ENVTEST_K8S_VERSION = 1.23
 
@@ -159,7 +176,7 @@ bundle-validate: container-cmd operator-sdk
 .PHONY: build
 build: generate fmt vet ## Build manager binary.
 	go build -o bin/manager cmd/manager/main.go
-	go build -o bin/sidecar sidecar/main.go
+	go build -ldflags '$(LDFLAGS)' -o bin/sidecar sidecar/main.go
 	go build -o bin/csi-addons ./cmd/csi-addons
 
 .PHONY: run
@@ -192,7 +209,7 @@ docker-push-bundle: container-cmd
 
 .PHONY: docker-build-tools
 docker-generate-protobuf: container-cmd ./build/Containerfile.tools
-	$(CONTAINER_CMD) build -f ./build/Containerfile.tools -t ${TOOLS_IMG} .
+	$(CONTAINER_CMD) build -f $^ -t ${TOOLS_IMG} .
 	$(CONTAINER_CMD) run --rm -ti --volume=${PWD}:/go/src/github.com/csi-addons/kubernetes-csi-addons:Z ${TOOLS_IMG} make generate-protobuf
 
 ##@ Deployment

sidecar/internal/version/version.go

@@ -0,0 +1,37 @@
+/*
+Copyright 2021 The Kubernetes-CSI-Addons Authors.
+
+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"
+)
+
+var (
+	// GitCommit tell the latest git commit image is built from.
+	GitCommit string
+	// SidecarVersion which will be sidecar release version.
+	SidecarVersion string
+)
+
+func PrintVersion() {
+	fmt.Println("Version:", SidecarVersion)
+	fmt.Println("Git Commit:", GitCommit)
+	fmt.Println("Go Version:", runtime.Version())
+	fmt.Println("Compiler:", runtime.Compiler)
+	fmt.Printf("Platform: %s/%s\n", runtime.GOOS, runtime.GOARCH)
+}

sidecar/main.go

@@ -18,13 +18,13 @@ package main
 
 import (
 	"flag"
-	"time"
-
 	"github.com/csi-addons/kubernetes-csi-addons/internal/sidecar/service"
 	"github.com/csi-addons/kubernetes-csi-addons/sidecar/internal/client"
 	"github.com/csi-addons/kubernetes-csi-addons/sidecar/internal/csiaddonsnode"
 	"github.com/csi-addons/kubernetes-csi-addons/sidecar/internal/server"
 	"github.com/csi-addons/kubernetes-csi-addons/sidecar/internal/util"
+	"github.com/csi-addons/kubernetes-csi-addons/sidecar/internal/version"
+	"time"
 
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
@@ -47,12 +47,21 @@ func main() {
 		podNamespace = flag.String("namespace", "", "namespace of the Pod that contains this sidecar")
 		podUID       = flag.String("pod-uid", "", "UID of the Pod that contains this sidecar")
 	)
+	var showVersion bool
 	klog.InitFlags(nil)
+
 	if err := flag.Set("logtostderr", "true"); err != nil {
 		klog.Exitf("failed to set logtostderr flag: %v", err)
 	}
+
+	flag.BoolVar(&showVersion, "version", false, "Print Version details")
 	flag.Parse()
 
+	if showVersion {
+		version.PrintVersion()
+		return
+	}
+
 	controllerEndpoint, err := util.BuildEndpointURL(*controllerIP, *controllerPort, *podName, *podNamespace)
 	if err != nil {
 		klog.Fatalf("Failed to validate controller endpoint: %w", err)