containerd/pkg/server/sandbox_status.go
Lantao Liu a795927c5a Get CreatedAt from containerd instead of maintaining it ourselves.
Signed-off-by: Lantao Liu <lantaol@google.com>
2017-08-24 18:38:00 +00:00

94 lines
3.1 KiB
Go

/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package server
import (
"fmt"
"time"
"github.com/containerd/containerd"
"github.com/containerd/containerd/errdefs"
"github.com/golang/glog"
"golang.org/x/net/context"
"k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
sandboxstore "github.com/kubernetes-incubator/cri-containerd/pkg/store/sandbox"
)
// PodSandboxStatus returns the status of the PodSandbox.
func (c *criContainerdService) PodSandboxStatus(ctx context.Context, r *runtime.PodSandboxStatusRequest) (*runtime.PodSandboxStatusResponse, error) {
sandbox, err := c.sandboxStore.Get(r.GetPodSandboxId())
if err != nil {
return nil, fmt.Errorf("an error occurred when try to find sandbox %q: %v",
r.GetPodSandboxId(), err)
}
// Use the full sandbox id.
id := sandbox.ID
task, err := sandbox.Container.Task(ctx, nil)
if err != nil && !errdefs.IsNotFound(err) {
return nil, fmt.Errorf("failed to get sandbox container info for %q: %v", id, err)
}
// Set sandbox state to NOTREADY by default.
state := runtime.PodSandboxState_SANDBOX_NOTREADY
// If the sandbox container is running, treat it as READY.
if task != nil {
taskStatus, err := task.Status(ctx)
if err != nil {
return nil, fmt.Errorf("failed to get task status for sandbox container %q: %v", id, err)
}
if taskStatus.Status == containerd.Running {
state = runtime.PodSandboxState_SANDBOX_READY
}
}
ip, err := c.netPlugin.GetPodNetworkStatus(sandbox.NetNSPath)
if err != nil {
// Ignore the error on network status
ip = ""
glog.V(4).Infof("GetPodNetworkStatus returns error: %v", err)
}
createdAt := sandbox.Container.Info().CreatedAt
status := toCRISandboxStatus(sandbox.Metadata, state, createdAt, ip)
return &runtime.PodSandboxStatusResponse{Status: status}, nil
}
// toCRISandboxStatus converts sandbox metadata into CRI pod sandbox status.
func toCRISandboxStatus(meta sandboxstore.Metadata, state runtime.PodSandboxState, createdAt time.Time, ip string) *runtime.PodSandboxStatus {
nsOpts := meta.Config.GetLinux().GetSecurityContext().GetNamespaceOptions()
return &runtime.PodSandboxStatus{
Id: meta.ID,
Metadata: meta.Config.GetMetadata(),
State: state,
CreatedAt: createdAt.UnixNano(),
Network: &runtime.PodSandboxNetworkStatus{Ip: ip},
Linux: &runtime.LinuxPodSandboxStatus{
Namespaces: &runtime.Namespace{
Options: &runtime.NamespaceOption{
HostNetwork: nsOpts.GetHostNetwork(),
HostPid: nsOpts.GetHostPid(),
HostIpc: nsOpts.GetHostIpc(),
},
},
},
Labels: meta.Config.GetLabels(),
Annotations: meta.Config.GetAnnotations(),
}
}