Added command to stop (detached) starter

Author: ewoutp

start.go

@@ -79,8 +79,9 @@ func cmdStartRun(cmd *cobra.Command, args []string) {
 		}
 	})
 
-	log.Infof("Found child args: %#v", childArgs)
+	log.Debugf("Found child args: %#v", childArgs)
 
+	// Start detached child
 	c := exec.Command(exePath, childArgs...)
 	c.Stderr = os.Stderr
 	c.Stdout = os.Stdout

stop.go

@@ -0,0 +1,84 @@
+//
+// DISCLAIMER
+//
+// Copyright 2017 ArangoDB GmbH, Cologne, Germany
+//
+// 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.
+//
+// Copyright holder is ArangoDB GmbH, Cologne, Germany
+//
+// Author Ewout Prangsma
+//
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+	"time"
+
+	"github.com/arangodb-helper/arangodb/client"
+	"github.com/spf13/cobra"
+)
+
+var (
+	cmdStop = &cobra.Command{
+		Use:   "stop",
+		Short: "Stop a ArangoDB starter",
+		Run:   cmdStopRun,
+	}
+)
+
+func init() {
+	cmdMain.AddCommand(cmdStop)
+}
+
+func cmdStopRun(cmd *cobra.Command, args []string) {
+	// Setup logging
+	configureLogging()
+
+	// Create starter client
+	scheme := "http"
+	if sslAutoKeyFile || sslKeyFile != "" {
+		scheme = "https"
+	}
+	starterURL, err := url.Parse(fmt.Sprintf("%s://127.0.0.1:%d", scheme, masterPort))
+	if err != nil {
+		log.Fatalf("Failed to create starter URL: %#v", err)
+	}
+	client, err := client.NewArangoStarterClient(*starterURL)
+	if err != nil {
+		log.Fatalf("Failed to create starter client: %#v", err)
+	}
+
+	// Shutdown starter
+	rootCtx := context.Background()
+	ctx, cancel := context.WithTimeout(rootCtx, time.Minute)
+	err = client.Shutdown(ctx, false)
+	cancel()
+	if err != nil {
+		log.Fatalf("Failed to shutdown starter: %#v", err)
+	}
+
+	// Wait for starter to be really gone
+	for {
+		ctx, cancel := context.WithTimeout(rootCtx, time.Second)
+		_, err := client.Version(ctx)
+		cancel()
+		if err != nil {
+			break
+		}
+		time.Sleep(time.Millisecond * 100)
+	}
+}