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>
Upstream-commit: b3bb2aabb8ed5a8af0a9f48fb5aba3f39af38e0d
Component: engine

components/engine/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"

components/engine/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)