Fix crash caused by docker service inspect --pretty
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:
parent
8b9b8bd930
commit
7ef4feaf38
2 changed files with 22 additions and 0 deletions
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@ -263,6 +263,9 @@ func (ctx *serviceInspectContext) HasResources() bool {
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}
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func (ctx *serviceInspectContext) HasResourceReservations() bool {
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if ctx.Service.Spec.TaskTemplate.Resources == nil || ctx.Service.Spec.TaskTemplate.Resources.Reservations == nil {
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return false
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}
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return ctx.Service.Spec.TaskTemplate.Resources.Reservations.NanoCPUs > 0 || ctx.Service.Spec.TaskTemplate.Resources.Reservations.MemoryBytes > 0
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}
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@ -281,6 +284,9 @@ func (ctx *serviceInspectContext) ResourceReservationMemory() string {
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}
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func (ctx *serviceInspectContext) HasResourceLimits() bool {
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if ctx.Service.Spec.TaskTemplate.Resources == nil || ctx.Service.Spec.TaskTemplate.Resources.Limits == nil {
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return false
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}
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return ctx.Service.Spec.TaskTemplate.Resources.Limits.NanoCPUs > 0 || ctx.Service.Spec.TaskTemplate.Resources.Limits.MemoryBytes > 0
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}
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@ -1072,3 +1072,19 @@ func (s *DockerSwarmSuite) TestSwarmManagerAddress(c *check.C) {
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c.Assert(err, checker.IsNil)
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c.Assert(out, checker.Contains, expectedOutput)
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}
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func (s *DockerSwarmSuite) TestSwarmServiceInspectPretty(c *check.C) {
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d := s.AddDaemon(c, true, true)
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name := "top"
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out, err := d.Cmd("service", "create", "--name", name, "--limit-cpu=0.5", "busybox", "top")
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c.Assert(err, checker.IsNil, check.Commentf(out))
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expectedOutput := `
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Resources:
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Limits:
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CPU: 0.5`
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out, err = d.Cmd("service", "inspect", "--pretty", name)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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c.Assert(out, checker.Contains, expectedOutput, check.Commentf(out))
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}
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