Implement ipfs shutdown command

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>

core/commands/root.go

@@ -126,6 +126,7 @@ var rootSubcommands = map[string]*cmds.Command{
 	"version":   VersionCmd,
 	"bitswap":   BitswapCmd,
 	"filestore": FileStoreCmd,
+	"shutdown":  daemonShutdownCmd,
 }
 
 // RootRO is the readonly version of Root

core/commands/shutdown.go

+package commands
+
+import (
+	"fmt"
+
+	cmds "github.com/ipfs/go-ipfs/commands"
+)
+
+var daemonShutdownCmd = &cmds.Command{
+	Helptext: cmds.HelpText{
+		Tagline: "Shut down the ipfs daemon",
+	},
+	Run: func(req cmds.Request, res cmds.Response) {
+		nd, err := req.InvocContext().GetNode()
+		if err != nil {
+			res.SetError(err, cmds.ErrNormal)
+			return
+		}
+
+		if nd.LocalMode() {
+			res.SetError(fmt.Errorf("daemon not running"), cmds.ErrClient)
+			return
+		}
+
+		if err := nd.Process().Close(); err != nil {
+			log.Error("error while shutting down ipfs daemon:", err)
+		}
+	},
+}

test/sharness/t0023-shutdown.sh

+#!/bin/sh
+#
+# Copyright (c) 2017 Jeromy Johnson
+# MIT Licensed; see the LICENSE file in this repository.
+#
+
+test_description="Test shutdown command"
+
+. lib/test-lib.sh
+
+test_init_ipfs
+
+test_launch_ipfs_daemon
+
+test_expect_success "shutdown succeeds" '
+	ipfs shutdown
+'
+
+test_expect_success "daemon no longer running" '
+	test_expect_code  1 kill -0 $IPFS_PID
+'
+
+test_launch_ipfs_daemon --offline
+
+test_expect_success "shutdown succeeds" '
+	ipfs shutdown
+'
+
+test_expect_success "daemon no longer running" '
+	for i in $(test_seq 1 100)
+	do
+		go-sleep 100ms
+		! kill -0 $IPFS_PID 2>/dev/null && return
+	done
+'
+test_done