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Use vol plugin creator instead of inserting spec 

This makes the test a bit more robust to change and is a bit cleaner.
As implemented before this commit, we have two named plugins pointing to
the same http service. If the daemon makes any unexpected calls to the
plugin (e.g. during startup) we'll get more counts on the event counter
than expected since the daemon sees 2 plugins.

Found this while working on #29877 which broke this test originally (but
is no longer using V1 plugins, so is this is no longer broken there) and
took some time to debug what was going on.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This commit is contained in:
Brian Goff 2017-01-04 15:04:29 -05:00
parent 03c17ab66a
commit 4bd4d18e11
1 changed files with 15 additions and 16 deletions
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31
integration-cli/docker_cli_external_volume_driver_unix_test.go
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@ -412,24 +412,23 @@ func (s *DockerExternalVolumeSuite) TestExternalVolumeDriverLookupNotBlocked(c *
func (s *DockerExternalVolumeSuite) TestExternalVolumeDriverRetryNotImmediatelyExists(c *check.C) {
s.d.StartWithBusybox(c)
specPath := "/etc/docker/plugins/test-external-volume-driver-retry.spec"
os.RemoveAll(specPath)
defer os.RemoveAll(specPath)
driverName := "test-external-volume-driver-retry"
errchan := make(chan error)
started := make(chan struct{})
go func() {
if out, err := s.d.Cmd("run", "--rm", "--name", "test-data-retry", "-v", "external-volume-test:/tmp/external-volume-test", "--volume-driver", "test-external-volume-driver-retry", "busybox:latest"); err != nil {
close(started)
if out, err := s.d.Cmd("run", "--rm", "--name", "test-data-retry", "-v", "external-volume-test:/tmp/external-volume-test", "--volume-driver", driverName, "busybox:latest"); err != nil {
errchan <- fmt.Errorf("%v:\n%s", err, out)
}
close(errchan)
}()
go func() {
// wait for a retry to occur, then create spec to allow plugin to register
time.Sleep(2000 * time.Millisecond)
// no need to check for an error here since it will get picked up by the timeout later
ioutil.WriteFile(specPath, []byte(s.Server.URL), 0644)
}()
<-started
// wait for a retry to occur, then create spec to allow plugin to register
time.Sleep(2000 * time.Millisecond)
p := newVolumePlugin(c, driverName)
defer p.Close()
select {
case err := <-errchan:
@ -441,11 +440,11 @@ func (s *DockerExternalVolumeSuite) TestExternalVolumeDriverRetryNotImmediatelyE
_, err := s.d.Cmd("volume", "rm", "external-volume-test")
c.Assert(err, checker.IsNil)
c.Assert(s.ec.activations, checker.Equals, 1)
c.Assert(s.ec.creations, checker.Equals, 1)
c.Assert(s.ec.removals, checker.Equals, 1)
c.Assert(s.ec.mounts, checker.Equals, 1)
c.Assert(s.ec.unmounts, checker.Equals, 1)
c.Assert(p.ec.activations, checker.Equals, 1)
c.Assert(p.ec.creations, checker.Equals, 1)
c.Assert(p.ec.removals, checker.Equals, 1)
c.Assert(p.ec.mounts, checker.Equals, 1)
c.Assert(p.ec.unmounts, checker.Equals, 1)
}
func (s *DockerExternalVolumeSuite) TestExternalVolumeDriverBindExternalVolume(c *check.C) {