fix panic on --label-add

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
(cherry picked from commit 85bc3194aa)
Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Brian Goff 2016-07-25 15:54:38 -04:00 committed by Tibor Vass
parent 84eae5d69f
commit 07735b4f0c
3 changed files with 43 additions and 3 deletions

View file

@ -250,7 +250,7 @@ func updatePlacement(flags *pflag.FlagSet, placement *swarm.Placement) {
func updateLabels(flags *pflag.FlagSet, field *map[string]string) {
if flags.Changed(flagLabelAdd) {
if field == nil {
if *field == nil {
*field = map[string]string{}
}
@ -260,7 +260,7 @@ func updateLabels(flags *pflag.FlagSet, field *map[string]string) {
}
}
if field != nil && flags.Changed(flagLabelRemove) {
if *field != nil && flags.Changed(flagLabelRemove) {
toRemove := flags.Lookup(flagLabelRemove).Value.(*opts.ListOpts).GetAll()
for _, label := range toRemove {
delete(*field, label)

View file

@ -120,7 +120,6 @@ func (d *SwarmDaemon) getService(c *check.C, id string) *swarm.Service {
c.Assert(status, checker.Equals, http.StatusOK, check.Commentf("output: %q", string(out)))
c.Assert(err, checker.IsNil)
c.Assert(json.Unmarshal(out, &service), checker.IsNil)
c.Assert(service.ID, checker.Equals, id)
return &service
}

View file

@ -43,3 +43,44 @@ func (s *DockerSwarmSuite) TestServiceUpdatePort(c *check.C) {
}
c.Assert(portConfig, checker.DeepEquals, expected)
}
func (s *DockerSwarmSuite) TestServiceUpdateLabel(c *check.C) {
d := s.AddDaemon(c, true, true)
out, err := d.Cmd("service", "create", "--name=test", "busybox", "top")
c.Assert(err, checker.IsNil, check.Commentf(out))
service := d.getService(c, "test")
c.Assert(service.Spec.Labels, checker.HasLen, 0)
// add label to empty set
out, err = d.Cmd("service", "update", "test", "--label-add", "foo=bar")
c.Assert(err, checker.IsNil, check.Commentf(out))
service = d.getService(c, "test")
c.Assert(service.Spec.Labels, checker.HasLen, 1)
c.Assert(service.Spec.Labels["foo"], checker.Equals, "bar")
// add label to non-empty set
out, err = d.Cmd("service", "update", "test", "--label-add", "foo2=bar")
c.Assert(err, checker.IsNil, check.Commentf(out))
service = d.getService(c, "test")
c.Assert(service.Spec.Labels, checker.HasLen, 2)
c.Assert(service.Spec.Labels["foo2"], checker.Equals, "bar")
out, err = d.Cmd("service", "update", "test", "--label-rm", "foo2")
c.Assert(err, checker.IsNil, check.Commentf(out))
service = d.getService(c, "test")
c.Assert(service.Spec.Labels, checker.HasLen, 1)
c.Assert(service.Spec.Labels["foo2"], checker.Equals, "")
out, err = d.Cmd("service", "update", "test", "--label-rm", "foo")
c.Assert(err, checker.IsNil, check.Commentf(out))
service = d.getService(c, "test")
c.Assert(service.Spec.Labels, checker.HasLen, 0)
c.Assert(service.Spec.Labels["foo"], checker.Equals, "")
// now make sure we can add again
out, err = d.Cmd("service", "update", "test", "--label-add", "foo=bar")
c.Assert(err, checker.IsNil, check.Commentf(out))
service = d.getService(c, "test")
c.Assert(service.Spec.Labels, checker.HasLen, 1)
c.Assert(service.Spec.Labels["foo"], checker.Equals, "bar")
}