main.go: print version information

Author: joelanford

main.go

@@ -19,6 +19,7 @@ package main
 import (
 	"flag"
 	"os"
+	"runtime"
 	"time"
 
 	"github.com/spf13/pflag"
@@ -32,12 +33,21 @@ import (
 	"github.com/joelanford/helm-operator/pkg/manager"
 	"github.com/joelanford/helm-operator/pkg/reconciler"
 	"github.com/joelanford/helm-operator/pkg/watches"
+	"github.com/joelanford/helm-operator/version"
 )
 
 var (
 	setupLog = ctrl.Log.WithName("setup")
 )
 
+func printVersion() {
+	setupLog.Info("version information",
+		"go", runtime.Version(),
+		"GOOS", runtime.GOOS,
+		"GOARCH", runtime.GOARCH,
+		"helm-operator", version.Version)
+}
+
 func main() {
 	var (
 		metricsAddr             string
@@ -84,6 +94,8 @@ func main() {
 		zapl.StacktraceLevel(&sttLvl),
 	))
 
+	printVersion()
+
 	// Deprecated: --max-workers flag does not align well with the name of the option it configures on the controller
 	//   (MaxConcurrentReconciles). Flag `--max-concurrent-reconciles` should be used instead.
 	if pflag.Lookup("max-workers").Changed {

version/version.go

@@ -0,0 +1,21 @@
+/*
+Copyright 2020 The Operator-SDK 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
+
+const (
+	Version = "0.0.0+git"
+)