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Fix crash caused by docker service inspect --pretty

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This fix tries to fix the crash caused by `docker service inspect --pretty`,
by performing necessary nil pointer check.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
(cherry picked from commit b6857e91c1)
Signed-off-by: Victor Vieux <victorvieux@gmail.com>
This commit is contained in:
Yong Tang 2016-11-16 16:46:31 -08:00 committed by Victor Vieux
parent 8b9b8bd930
commit 7ef4feaf38
2 changed files with 22 additions and 0 deletions
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6
cli/command/formatter/service.go
View file

@ -263,6 +263,9 @@ func (ctx *serviceInspectContext) HasResources() bool {
}
func (ctx *serviceInspectContext) HasResourceReservations() bool {
if ctx.Service.Spec.TaskTemplate.Resources == nil || ctx.Service.Spec.TaskTemplate.Resources.Reservations == nil {
return false
}
return ctx.Service.Spec.TaskTemplate.Resources.Reservations.NanoCPUs > 0 || ctx.Service.Spec.TaskTemplate.Resources.Reservations.MemoryBytes > 0
}
@ -281,6 +284,9 @@ func (ctx *serviceInspectContext) ResourceReservationMemory() string {
}
func (ctx *serviceInspectContext) HasResourceLimits() bool {
if ctx.Service.Spec.TaskTemplate.Resources == nil || ctx.Service.Spec.TaskTemplate.Resources.Limits == nil {
return false
}
return ctx.Service.Spec.TaskTemplate.Resources.Limits.NanoCPUs > 0 || ctx.Service.Spec.TaskTemplate.Resources.Limits.MemoryBytes > 0
}

16
integration-cli/docker_cli_swarm_test.go
View file

@ -1072,3 +1072,19 @@ func (s *DockerSwarmSuite) TestSwarmManagerAddress(c *check.C) {
c.Assert(err, checker.IsNil)
c.Assert(out, checker.Contains, expectedOutput)
}
func (s *DockerSwarmSuite) TestSwarmServiceInspectPretty(c *check.C) {
d := s.AddDaemon(c, true, true)
name := "top"
out, err := d.Cmd("service", "create", "--name", name, "--limit-cpu=0.5", "busybox", "top")
c.Assert(err, checker.IsNil, check.Commentf(out))
expectedOutput := `
Resources:
Limits:
CPU: 0.5`
out, err = d.Cmd("service", "inspect", "--pretty", name)
c.Assert(err, checker.IsNil, check.Commentf(out))
c.Assert(out, checker.Contains, expectedOutput, check.Commentf(out))
}