Merge pull request #41 from flant/new-version

Added `kubedog version` command, refactor build script

.gitignore

@@ -1 +1 @@
-release-build
+release/build

cmd/kubedog/main.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/flant/kubedog/pkg/kube"
+	"github.com/flant/kubedog/pkg/kubedog"
 	"github.com/flant/kubedog/pkg/tracker"
 	"github.com/flant/kubedog/pkg/trackers/follow"
 	"github.com/flant/kubedog/pkg/trackers/rollout"
@@ -66,6 +67,14 @@ func main() {
 	rootCmd.PersistentFlags().IntVarP(&timeoutSeconds, "timeout", "t", -1, "watch timeout in seconds") // default is 0 for follow
 	rootCmd.PersistentFlags().StringVarP(&logsSince, "logs-since", "", "now", "logs newer than a relative duration like 30s, 5m, or 2h")
 
+	versionCmd := &cobra.Command{
+		Use: "version",
+		Run: func(_ *cobra.Command, _ []string) {
+			fmt.Println(kubedog.Version)
+		},
+	}
+	rootCmd.AddCommand(versionCmd)
+
 	followCmd := &cobra.Command{Use: "follow"}
 	rootCmd.AddCommand(followCmd)
 

pkg/kubedog/kubedog.go

@@ -0,0 +1,5 @@
+package kubedog
+
+var (
+	Version = "dev"
+)

release/build.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+
+VERSION=$1
+
+if [ -z "$VERSION" ] ; then
+  echo "Usage: $0 VERSION"
+  echo
+  exit 1
+fi
+
+RELEASE_BUILD_DIR=$(pwd)/release/build
+
+rm -rf $RELEASE_BUILD_DIR
+
+for arch in linux darwin ; do
+  outputDir=$RELEASE_BUILD_DIR/$arch-amd64
+
+  mkdir -p $outputDir
+
+  echo "Building kubedog for $arch, version $VERSION"
+  GOOS=$arch GOARCH=amd64 go build -ldflags="-s -w -X github.com/flant/kubedog/pkg/kubedog.Version=$VERSION" -o $outputDir/kubedog github.com/flant/kubedog/cmd/kubedog
+
+  echo "Calculating checksum kubedog.sha"
+  sha256sum $outputDir/kubedog | cut -d' ' -f 1 > $outputDir/kubedog.sha
+done