| // +build daemon,!windows,!experimental |
| |
| package main |
| |
| import ( |
| "io/ioutil" |
| "os" |
| "strings" |
| |
| "github.com/go-check/check" |
| ) |
| |
| // os.Kill should kill daemon ungracefully, leaving behind container mounts. |
| // A subsequent daemon restart shoud clean up said mounts. |
| func (s *DockerDaemonSuite) TestCleanupMountsAfterDaemonKill(c *check.C) { |
| c.Assert(s.d.StartWithBusybox(), check.IsNil) |
| |
| out, err := s.d.Cmd("run", "-d", "busybox", "top") |
| c.Assert(err, check.IsNil, check.Commentf("Output: %s", out)) |
| id := strings.TrimSpace(out) |
| c.Assert(s.d.cmd.Process.Signal(os.Kill), check.IsNil) |
| mountOut, err := ioutil.ReadFile("/proc/self/mountinfo") |
| c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut)) |
| |
| // container mounts should exist even after daemon has crashed. |
| comment := check.Commentf("%s should stay mounted from older daemon start:\nDaemon root repository %s\n%s", id, s.d.folder, mountOut) |
| c.Assert(strings.Contains(string(mountOut), id), check.Equals, true, comment) |
| |
| // restart daemon. |
| if err := s.d.Restart(); err != nil { |
| c.Fatal(err) |
| } |
| |
| // Now, container mounts should be gone. |
| mountOut, err = ioutil.ReadFile("/proc/self/mountinfo") |
| c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut)) |
| comment = check.Commentf("%s is still mounted from older daemon start:\nDaemon root repository %s\n%s", id, s.d.folder, mountOut) |
| c.Assert(strings.Contains(string(mountOut), id), check.Equals, false, comment) |
| } |