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- // +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)
- }
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