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Merge pull request #19722 from WeiZhang555/exec-restarting

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Forbid exec a restarting container
This commit is contained in:
Lei Jitang 2016-01-27 11:43:43 +08:00
commit 0ae94303b8
3 changed files with 23 additions and 0 deletions
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8
container/state.go
View file

@ -247,6 +247,14 @@ func (s *State) IsPaused() bool {
return res
}
// IsRestarting returns whether the container is restarting or not.
func (s *State) IsRestarting() bool {
s.Lock()
res := s.Restarting
s.Unlock()
return res
}
// SetRemovalInProgress sets the container state as being removed.
func (s *State) SetRemovalInProgress() error {
s.Lock()

6
daemon/exec.go
View file

@ -52,6 +52,9 @@ func (d *Daemon) getExecConfig(name string) (*exec.Config, error) {
if container.IsPaused() {
return nil, derr.ErrorCodeExecPaused.WithArgs(container.ID)
}
if container.IsRestarting() {
return nil, derr.ErrorCodeExecRestarting.WithArgs(container.ID)
}
return ec, nil
}
}
@ -76,6 +79,9 @@ func (d *Daemon) getActiveContainer(name string) (*container.Container, error) {
if container.IsPaused() {
return nil, derr.ErrorCodeExecPaused.WithArgs(name)
}
if container.IsRestarting() {
return nil, derr.ErrorCodeExecRestarting.WithArgs(name)
}
return container, nil
}

9
errors/daemon.go
View file

@ -733,6 +733,15 @@ var (
HTTPStatusCode: http.StatusConflict,
})
// ErrorCodeExecRestarting is generated when we try to start an exec
// but the container is restarting.
ErrorCodeExecRestarting = errcode.Register(errGroup, errcode.ErrorDescriptor{
Value: "EXECRESTARTING",
Message: "Container %s is restarting, wait until the container is running",
Description: "An attempt to start an 'exec' was made, but the owning container is restarting",
HTTPStatusCode: http.StatusConflict,
})
// ErrorCodeExecRunning is generated when we try to start an exec
// but its already running.
ErrorCodeExecRunning = errcode.Register(errGroup, errcode.ErrorDescriptor{