Added release scripts based on goreleaser

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -0,0 +1,36 @@
+
+# Created by https://www.toptal.com/developers/gitignore/api/go,vscode
+# Edit at https://www.toptal.com/developers/gitignore?templates=go,vscode
+
+### Go ###
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+### Go Patch ###
+/vendor/
+/Godeps/
+
+### vscode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# End of https://www.toptal.com/developers/gitignore/api/go,vscode
+
+/dist/

.goreleaser.yml

@@ -0,0 +1,36 @@
+before:
+  hooks:
+    - go mod download
+builds:
+  - flags:
+      - -trimpath
+    ldflags:
+     - -s -w -X github.com/observatorium/opentelemetry-collector-builder/cmd.version={{.Version}} -X github.com/observatorium/opentelemetry-collector-builder/cmd.date={{.Date}}
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - amd64
+      - arm
+      - arm64
+    goarm:
+      - 6
+      - 7
+archives:
+  - format: binary
+    replacements:
+      386: i386
+      amd64: x86_64
+checksum:
+  name_template: "checksums.txt"
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"

cmd/root.go

@@ -15,6 +15,7 @@
 package cmd
 
 import (
+	"fmt"
 	"strings"
 
 	"github.com/spf13/cobra"
@@ -23,17 +24,23 @@ import (
 	"github.com/observatorium/opentelemetry-collector-builder/internal/builder"
 )
 
-var cfgFile string
-var cfg = builder.DefaultConfig()
+var (
+	version = "dev"
+	date    = "unknown"
+
+	cfgFile string
+	cfg     = builder.DefaultConfig()
+)
 
 // Execute is the main entrypoint for this application
 func Execute() {
 	cobra.OnInitialize(initConfig)
 
 	cmd := &cobra.Command{
 		Use:  "opentelemetry-collector-builder",
-		Long: "OpenTelemetry Collector distribution builder",
+		Long: fmt.Sprintf("OpenTelemetry Collector distribution builder (%s)", version),
 		RunE: func(cmd *cobra.Command, args []string) error {
+
 			if err := cfg.Validate(); err != nil {
 				cfg.Logger.Error(err, "invalid configuration: %w", err)
 				return nil
@@ -71,6 +78,8 @@ func Execute() {
 }
 
 func initConfig() {
+	cfg.Logger.Info("OpenTelemetry Collector distribution builder", "version", version, "date", date)
+
 	// a couple of Viper goodies, to make it easier to use env vars when flags are not desirable
 	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 	viper.AutomaticEnv()

main.go

@@ -14,7 +14,9 @@
 
 package main
 
-import "github.com/observatorium/opentelemetry-collector-builder/cmd"
+import (
+	"github.com/observatorium/opentelemetry-collector-builder/cmd"
+)
 
 func main() {
 	cmd.Execute()