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api: implement fetching the container status

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Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
This commit is contained in:
Akihiro Suda 2017-03-02 09:42:55 +00:00
parent a7ef3e5313
commit 899a52d655
8 changed files with 190 additions and 112 deletions
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9
linux/shim/init.go
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@ -106,6 +106,15 @@ func (p *initProcess) Status() int {
return p.status
}
// ContainerStatus return the state of the container (created, running, paused, stopped)
func (p *initProcess) ContainerStatus(ctx context.Context) (string, error) {
c, err := p.runc.State(ctx, p.id)
if err != nil {
return "", err
}
return c.Status, nil
}
func (p *initProcess) Start(context context.Context) error {
return p.runc.Start(context, p.id)
}

16
linux/shim/service.go
View file

@ -136,10 +136,26 @@ func (s *Service) Events(r *shimapi.EventsRequest, stream shimapi.Shim_EventsSer
}
func (s *Service) State(ctx context.Context, r *shimapi.StateRequest) (*shimapi.StateResponse, error) {
st, err := s.initProcess.ContainerStatus(ctx)
if err != nil {
return nil, err
}
status := container.Status_UNKNOWN
switch st {
case "created":
status = container.Status_CREATED
case "running":
status = container.Status_RUNNING
case "stopped":
status = container.Status_STOPPED
case "paused":
status = container.Status_PAUSED
}
o := &shimapi.StateResponse{
ID: s.id,
Bundle: s.bundle,
Pid: uint32(s.initProcess.Pid()),
Status: status,
Processes: []*container.Process{},
}
s.mu.Lock()