Remove 'docker-' prefix for containerd and runc binaries

This allows to run the daemon in environments that have upstream containerd installed.

Signed-off-by: Tibor Vass <tibor@docker.com>
(cherry picked from commit 34eede0296bce6a9c335cb429f10728ae3f4252d)
Signed-off-by: Tibor Vass <tibor@docker.com>

api/swagger.yaml

@@ -3848,10 +3848,10 @@ definitions:
           $ref: "#/definitions/Runtime"
         default:
           runc:
-            path: "docker-runc"
+            path: "runc"
         example:
           runc:
-            path: "docker-runc"
+            path: "runc"
           runc-master:
             path: "/go/bin/runc"
           custom:

builder/builder-next/executor_unix.go

@@ -27,7 +27,7 @@ func newExecutor(root, cgroupParent string, net libnetwork.NetworkController) (e
 	}
 	return runcexecutor.New(runcexecutor.Opt{
 		Root:                filepath.Join(root, "executor"),
-		CommandCandidates:   []string{"docker-runc", "runc"},
+		CommandCandidates:   []string{"runc"},
 		DefaultCgroupParent: cgroupParent,
 	}, networkProviders)
 }

cmd/dockerd/daemon.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 	"time"
 
+	containerddefaults "github.com/containerd/containerd/defaults"
 	"github.com/docker/distribution/uuid"
 	"github.com/docker/docker/api"
 	apiserver "github.com/docker/docker/api/server"
@@ -140,22 +141,25 @@ func (cli *DaemonCli) start(opts *daemonOptions) (err error) {
 
 	ctx, cancel := context.WithCancel(context.Background())
 	if cli.Config.ContainerdAddr == "" && runtime.GOOS != "windows" {
-		opts, err := cli.getContainerdDaemonOpts()
-		if err != nil {
-			cancel()
-			return fmt.Errorf("Failed to generate containerd options: %v", err)
-		}
-
-		r, err := supervisor.Start(ctx, filepath.Join(cli.Config.Root, "containerd"), filepath.Join(cli.Config.ExecRoot, "containerd"), opts...)
-		if err != nil {
-			cancel()
-			return fmt.Errorf("Failed to start containerd: %v", err)
-		}
+		if !systemContainerdRunning() {
+			opts, err := cli.getContainerdDaemonOpts()
+			if err != nil {
+				cancel()
+				return fmt.Errorf("Failed to generate containerd options: %v", err)
+			}
 
-		cli.Config.ContainerdAddr = r.Address()
+			r, err := supervisor.Start(ctx, filepath.Join(cli.Config.Root, "containerd"), filepath.Join(cli.Config.ExecRoot, "containerd"), opts...)
+			if err != nil {
+				cancel()
+				return fmt.Errorf("Failed to start containerd: %v", err)
+			}
+			cli.Config.ContainerdAddr = r.Address()
 
-		// Try to wait for containerd to shutdown
-		defer r.WaitTimeout(10 * time.Second)
+			// Try to wait for containerd to shutdown
+			defer r.WaitTimeout(10 * time.Second)
+		} else {
+			cli.Config.ContainerdAddr = containerddefaults.DefaultAddress
+		}
 	}
 	defer cancel()
 
@@ -661,3 +665,8 @@ func validateAuthzPlugins(requestedPlugins []string, pg plugingetter.PluginGette
 	}
 	return nil
 }
+
+func systemContainerdRunning() bool {
+	_, err := os.Lstat(containerddefaults.DefaultAddress)
+	return err == nil
+}

contrib/docker-machine-install-bundle.sh

@@ -31,7 +31,7 @@ bundle_files(){
 	    echo $BUNDLE/binary-daemon/$f
 	fi
     done
-    for f in docker-containerd docker-containerd-ctr docker-containerd-shim docker-init docker-runc; do
+    for f in containerd ctr containerd-shim docker-init runc; do
 	echo $BUNDLE/binary-daemon/$f
     done
     if [ -d $BUNDLE/dynbinary-client ]; then

daemon/daemon_unix.go

@@ -54,11 +54,11 @@ import (
 const (
 	// DefaultShimBinary is the default shim to be used by containerd if none
 	// is specified
-	DefaultShimBinary = "docker-containerd-shim"
+	DefaultShimBinary = "containerd-shim"
 
 	// DefaultRuntimeBinary is the default runtime to be used by
 	// containerd if none is specified
-	DefaultRuntimeBinary = "docker-runc"
+	DefaultRuntimeBinary = "runc"
 
 	// See https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/tree/kernel/sched/sched.h?id=8cd9234c64c584432f6992fe944ca9e46ca8ea76#n269
 	linuxMinCPUShares = 2
@@ -76,7 +76,7 @@ const (
 
 	// DefaultRuntimeName is the default runtime to be used by
 	// containerd if none is specified
-	DefaultRuntimeName = "docker-runc"
+	DefaultRuntimeName = "runc"
 )
 
 type containerGetter interface {

hack/dockerfile/install/containerd.installer

@@ -30,7 +30,7 @@ install_containerd() {
 
 	mkdir -p ${PREFIX}
 
-	cp bin/containerd ${PREFIX}/docker-containerd
-	cp bin/containerd-shim ${PREFIX}/docker-containerd-shim
-	cp bin/ctr ${PREFIX}/docker-containerd-ctr
+	cp bin/containerd ${PREFIX}/containerd
+	cp bin/containerd-shim ${PREFIX}/containerd-shim
+	cp bin/ctr ${PREFIX}/ctr
 }

hack/dockerfile/install/runc.installer

@@ -18,5 +18,5 @@ install_runc() {
 	fi
 	make BUILDTAGS="$RUNC_BUILDTAGS" "$target"
 	mkdir -p ${PREFIX}
-	cp runc ${PREFIX}/docker-runc
+	cp runc ${PREFIX}/runc
 }

hack/make/.binary-setup

@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 
 DOCKER_DAEMON_BINARY_NAME='dockerd'
-DOCKER_RUNC_BINARY_NAME='docker-runc'
-DOCKER_CONTAINERD_BINARY_NAME='docker-containerd'
-DOCKER_CONTAINERD_CTR_BINARY_NAME='docker-containerd-ctr'
-DOCKER_CONTAINERD_SHIM_BINARY_NAME='docker-containerd-shim'
+DOCKER_RUNC_BINARY_NAME='runc'
+DOCKER_CONTAINERD_BINARY_NAME='containerd'
+DOCKER_CONTAINERD_CTR_BINARY_NAME='ctr'
+DOCKER_CONTAINERD_SHIM_BINARY_NAME='containerd-shim'
 DOCKER_PROXY_BINARY_NAME='docker-proxy'
 DOCKER_INIT_BINARY_NAME='docker-init'

hack/make/.integration-test-helpers

@@ -112,7 +112,7 @@ error_on_leaked_containerd_shims() {
 	fi
 
 	leftovers=$(ps -ax -o pid,cmd |
-	            awk '$2 == "docker-containerd-shim" && $4 ~ /.*\/bundles\/.*\/test-integration/ { print $1 }')
+	            awk '$2 == "containerd-shim" && $4 ~ /.*\/bundles\/.*\/test-integration/ { print $1 }')
 	if [ -n "$leftovers" ]; then
 		ps aux
 		kill -9 $leftovers 2> /dev/null

integration-cli/check_test.go

@@ -32,7 +32,7 @@ const (
 	privateRegistryURL = registry.DefaultURL
 
 	// path to containerd's ctr binary
-	ctrBinary = "docker-containerd-ctr"
+	ctrBinary = "ctr"
 
 	// the docker daemon binary to use
 	dockerdBinary = "dockerd"

integration-cli/docker_cli_daemon_test.go

@@ -44,6 +44,8 @@ import (
 	"gotest.tools/icmd"
 )
 
+const containerdSocket = "/run/containerd/containerd.sock" // "/var/run/docker/containerd/docker-containerd.sock"
+
 // TestLegacyDaemonCommand test starting docker daemon using "deprecated" docker daemon
 // command. Remove this test when we remove this.
 func (s *DockerDaemonSuite) TestLegacyDaemonCommand(c *check.C) {
@@ -1449,7 +1451,7 @@ func (s *DockerDaemonSuite) TestCleanupMountsAfterDaemonAndContainerKill(c *chec
 	c.Assert(d.Kill(), check.IsNil)
 
 	// kill the container
-	icmd.RunCommand(ctrBinary, "--address", "/var/run/docker/containerd/docker-containerd.sock",
+	icmd.RunCommand(ctrBinary, "--address", containerdSocket,
 		"--namespace", moby_daemon.ContainersNamespace, "tasks", "kill", id).Assert(c, icmd.Success)
 
 	// restart daemon.
@@ -1971,7 +1973,7 @@ func (s *DockerDaemonSuite) TestDaemonRestartWithKilledRunningContainer(t *check
 	}
 
 	// kill the container
-	icmd.RunCommand(ctrBinary, "--address", "/var/run/docker/containerd/docker-containerd.sock",
+	icmd.RunCommand(ctrBinary, "--address", containerdSocket,
 		"--namespace", moby_daemon.ContainersNamespace, "tasks", "kill", cid).Assert(t, icmd.Success)
 
 	// Give time to containerd to process the command if we don't
@@ -2074,7 +2076,7 @@ func (s *DockerDaemonSuite) TestDaemonRestartWithUnpausedRunningContainer(t *che
 	// resume the container
 	result := icmd.RunCommand(
 		ctrBinary,
-		"--address", "/var/run/docker/containerd/docker-containerd.sock",
+		"--address", containerdSocket,
 		"--namespace", moby_daemon.ContainersNamespace,
 		"tasks", "resume", cid)
 	result.Assert(t, icmd.Success)

internal/test/daemon/daemon.go

@@ -224,7 +224,6 @@ func (d *Daemon) StartWithLogFile(out *os.File, providedArgs ...string) error {
 		return errors.Wrapf(err, "[%s] could not find docker binary in $PATH", d.id)
 	}
 	args := append(d.GlobalFlags,
-		"--containerd", "/var/run/docker/containerd/docker-containerd.sock",
 		"--data-root", d.Root,
 		"--exec-root", d.execRoot,
 		"--pidfile", fmt.Sprintf("%s/docker.pid", d.Folder),

libcontainerd/supervisor/remote_daemon.go

@@ -27,8 +27,8 @@ const (
 	shutdownTimeout         = 15 * time.Second
 	startupTimeout          = 15 * time.Second
 	configFile              = "containerd.toml"
-	binaryName              = "docker-containerd"
-	pidFile                 = "docker-containerd.pid"
+	binaryName              = "containerd"
+	pidFile                 = "containerd.pid"
 )
 
 type pluginConfigs struct {

libcontainerd/supervisor/remote_daemon_linux.go

@@ -11,8 +11,8 @@ import (
 )
 
 const (
-	sockFile      = "docker-containerd.sock"
-	debugSockFile = "docker-containerd-debug.sock"
+	sockFile      = "containerd.sock"
+	debugSockFile = "containerd-debug.sock"
 )
 
 func (r *remote) setDefaults() {

libcontainerd/supervisor/remote_daemon_windows.go

@@ -7,8 +7,8 @@ import (
 )
 
 const (
-	grpcPipeName  = `\\.\pipe\docker-containerd-containerd`
-	debugPipeName = `\\.\pipe\docker-containerd-debug`
+	grpcPipeName  = `\\.\pipe\containerd-containerd`
+	debugPipeName = `\\.\pipe\containerd-debug`
 )
 
 func (r *remote) setDefaults() {