128 lines
4.1 KiB
Go
128 lines
4.1 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package server
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import (
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"fmt"
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"time"
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"github.com/containerd/containerd"
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"github.com/containerd/containerd/errdefs"
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"github.com/cri-o/ocicni/pkg/ocicni"
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"github.com/golang/glog"
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"golang.org/x/net/context"
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"k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
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sandboxstore "github.com/kubernetes-incubator/cri-containerd/pkg/store/sandbox"
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)
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// PodSandboxStatus returns the status of the PodSandbox.
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func (c *criContainerdService) PodSandboxStatus(ctx context.Context, r *runtime.PodSandboxStatusRequest) (*runtime.PodSandboxStatusResponse, error) {
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sandbox, err := c.sandboxStore.Get(r.GetPodSandboxId())
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if err != nil {
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return nil, fmt.Errorf("an error occurred when try to find sandbox: %v", err)
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}
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task, err := sandbox.Container.Task(ctx, nil)
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if err != nil && !errdefs.IsNotFound(err) {
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return nil, fmt.Errorf("failed to get sandbox container task: %v", err)
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}
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// Set sandbox state to NOTREADY by default.
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state := runtime.PodSandboxState_SANDBOX_NOTREADY
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// If the sandbox container is running, treat it as READY.
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if task != nil {
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taskStatus, err := task.Status(ctx)
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if err != nil {
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return nil, fmt.Errorf("failed to get task status: %v", err)
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}
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if taskStatus.Status == containerd.Running {
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state = runtime.PodSandboxState_SANDBOX_READY
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}
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}
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ip, err := c.getIP(sandbox)
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if err != nil {
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return nil, fmt.Errorf("failed to get sandbox ip: %v", err)
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}
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info, err := sandbox.Container.Info(ctx)
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if err != nil {
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return nil, fmt.Errorf("failed to get sandbox container info: %v", err)
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}
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createdAt := info.CreatedAt
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status := toCRISandboxStatus(sandbox.Metadata, state, createdAt, ip)
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return &runtime.PodSandboxStatusResponse{Status: status}, nil
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}
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func (c *criContainerdService) getIP(sandbox sandboxstore.Sandbox) (string, error) {
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config := sandbox.Config
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if config.GetLinux().GetSecurityContext().GetNamespaceOptions().GetHostNetwork() {
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// For sandboxes using the host network we are not
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// responsible for reporting the IP.
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return "", nil
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}
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if err := c.netPlugin.Status(); err != nil {
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// If the network is not ready then there is nothing to report.
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glog.V(4).Infof("getIP: unable to get sandbox %q network status: network plugin not ready.", sandbox.ID)
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return "", nil
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}
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podNetwork := ocicni.PodNetwork{
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Name: config.GetMetadata().GetName(),
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Namespace: config.GetMetadata().GetNamespace(),
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ID: sandbox.ID,
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NetNS: sandbox.NetNSPath,
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PortMappings: toCNIPortMappings(config.GetPortMappings()),
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}
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ip, err := c.netPlugin.GetPodNetworkStatus(podNetwork)
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if err == nil {
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return ip, nil
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}
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// Ignore the error on network status
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glog.V(4).Infof("getIP: failed to read sandbox %q IP from plugin: %v", sandbox.ID, err)
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return "", nil
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}
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// toCRISandboxStatus converts sandbox metadata into CRI pod sandbox status.
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func toCRISandboxStatus(meta sandboxstore.Metadata, state runtime.PodSandboxState, createdAt time.Time, ip string) *runtime.PodSandboxStatus {
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nsOpts := meta.Config.GetLinux().GetSecurityContext().GetNamespaceOptions()
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return &runtime.PodSandboxStatus{
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Id: meta.ID,
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Metadata: meta.Config.GetMetadata(),
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State: state,
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CreatedAt: createdAt.UnixNano(),
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Network: &runtime.PodSandboxNetworkStatus{Ip: ip},
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Linux: &runtime.LinuxPodSandboxStatus{
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Namespaces: &runtime.Namespace{
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Options: &runtime.NamespaceOption{
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HostNetwork: nsOpts.GetHostNetwork(),
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HostPid: nsOpts.GetHostPid(),
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HostIpc: nsOpts.GetHostIpc(),
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},
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},
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},
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Labels: meta.Config.GetLabels(),
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Annotations: meta.Config.GetAnnotations(),
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}
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}
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