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package server
import (
"github.com/kubernetes-incubator/cri-o/oci"
"github.com/sirupsen/logrus"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
)
const (
oomKilledReason = "OOMKilled"
completedReason = "Completed"
errorReason = "Error"
)
// ContainerStatus returns status of the container.
func (s *Server) ContainerStatus(ctx context.Context, req *pb.ContainerStatusRequest) (*pb.ContainerStatusResponse, error) {
logrus.Debugf("ContainerStatusRequest %+v", req)
c, err := s.GetContainerFromRequest(req.ContainerId)
if err != nil {
return nil, err
}
containerID := c.ID()
resp := &pb.ContainerStatusResponse{
Status: &pb.ContainerStatus{
Id: containerID,
Metadata: c.Metadata(),
Labels: c.Labels(),
Annotations: c.Annotations(),
ImageRef: c.ImageRef(),
},
}
resp.Status.Image = &pb.ImageSpec{Image: c.ImageName()}
mounts := []*pb.Mount{}
for _, cv := range c.Volumes() {
mounts = append(mounts, &pb.Mount{
ContainerPath: cv.ContainerPath,
HostPath: cv.HostPath,
Readonly: cv.Readonly,
})
}
resp.Status.Mounts = mounts
cState := s.Runtime().ContainerStatus(c)
rStatus := pb.ContainerState_CONTAINER_UNKNOWN
imageName := c.Image()
status, err := s.StorageImageServer().ImageStatus(s.ImageContext(), imageName)
if err != nil {
return nil, err
}
resp.Status.ImageRef = status.ImageRef
// If we defaulted to exit code -1 earlier then we attempt to
// get the exit code from the exit file again.
if cState.ExitCode == -1 {
err := s.Runtime().UpdateStatus(c)
if err != nil {
logrus.Warnf("Failed to UpdateStatus of container %s: %v", c.ID(), err)
}
cState = s.Runtime().ContainerStatus(c)
}
switch cState.Status {
case oci.ContainerStateCreated:
rStatus = pb.ContainerState_CONTAINER_CREATED
created := cState.Created.UnixNano()
resp.Status.CreatedAt = created
case oci.ContainerStateRunning:
rStatus = pb.ContainerState_CONTAINER_RUNNING
created := cState.Created.UnixNano()
resp.Status.CreatedAt = created
started := cState.Started.UnixNano()
resp.Status.StartedAt = started
case oci.ContainerStateStopped:
rStatus = pb.ContainerState_CONTAINER_EXITED
created := cState.Created.UnixNano()
resp.Status.CreatedAt = created
started := cState.Started.UnixNano()
resp.Status.StartedAt = started
finished := cState.Finished.UnixNano()
resp.Status.FinishedAt = finished
resp.Status.ExitCode = cState.ExitCode
switch {
case cState.OOMKilled:
resp.Status.Reason = oomKilledReason
case cState.ExitCode == 0:
resp.Status.Reason = completedReason
default:
resp.Status.Reason = errorReason
resp.Status.Message = cState.Error
}
}
resp.Status.State = rStatus
logrus.Debugf("ContainerStatusResponse: %+v", resp)
return resp, nil
}
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