Add gorelease to CI, version command

Author: stefanprodan

.circleci/config.yml

@@ -9,3 +9,30 @@ jobs:
      - setup_remote_docker: {docker_layer_caching: true}
      # just a simple build for now, but will use skaffold if it gets more complex
      - run: docker build .
+ deploy:
+   docker:
+     - image: circleci/golang:1.10
+   working_directory: /go/src/github.com/weaveworks/eksctl
+   steps:
+     - checkout
+     - setup_remote_docker: {docker_layer_caching: true}
+     - run: make install-bindata
+     - run: make update-bindata
+     - run:
+        name: Build and publish
+        command: |
+          if [[ -z "${CIRCLE_PULL_REQUEST}" ]] && [[ "${CIRCLE_TAG}" ]] && [[ "${CIRCLE_PROJECT_USERNAME}" = "weaveworks" ]] ; then
+            curl -sL https://git.io/goreleaser | bash
+          else
+            echo "No deploy on PR"
+          fi
+
+workflows:
+  version: 2
+  build-and-deploy:
+    jobs:
+      - build
+      - deploy:
+          filters:
+            tags:
+              only: /^[0-9].*/

.gitignore

@@ -7,13 +7,5 @@
 # Test binary, build with `go test -c`
 *.test
 
-# Output of the go coverage tool, specifically when used with LiteIDE
-*.out
-
-# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
-.glide/
-.idea/
-
 # make build output
-eksctl
 cfn_templates.go

.goreleaser.yml

@@ -0,0 +1,10 @@
+builds:
+  - main: ./cmd/eksctl
+    binary: eksctl
+    goos:
+      - windows
+      - darwin
+      - linux
+    goarch:
+      - amd64
+

Makefile

@@ -1,5 +1,7 @@
+COMMIT:=$(shell git describe --dirty --always)
+
 build: update-bindata
-	go build ./cmd/eksctl
+	go build -ldflags "-X main.commit=$(COMMIT)" ./cmd/eksctl
 
 update-bindata:
 	go generate ./pkg/eks

cmd/eksctl/main.go

@@ -36,6 +36,7 @@ func main() {
 }
 
 func addCommands() {
+	rootCmd.AddCommand(versionCmd())
 	rootCmd.AddCommand(createCmd())
 	rootCmd.AddCommand(deleteCmd())
 }

cmd/eksctl/version.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	version = "dev"
+	commit  = "none"
+	date    = "unknown"
+)
+
+func versionCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:   "version",
+		Short: "Output the version of eksctl",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			fmt.Println(fmt.Sprintf("%v, commit %v, built at %v", version, commit, date))
+			return nil
+		},
+	}
+}