de37b9d293
This patch makes the CRI `v1` API the new project-wide default version. To allow backwards compatibility, a fallback to `v1alpha2` has been added as well. This fallback can either used by automatically determined by the kubelet. Signed-off-by: Sascha Grunert <sgrunert@redhat.com>
92 lines
3.0 KiB
Go
92 lines
3.0 KiB
Go
//go:build !dockerless
|
|
// +build !dockerless
|
|
|
|
/*
|
|
Copyright 2019 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 dockershim
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
|
|
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
|
|
)
|
|
|
|
var ErrNotImplemented = errors.New("Not implemented")
|
|
|
|
// ContainerStats returns stats for a container stats request based on container id.
|
|
func (ds *dockerService) ContainerStats(ctx context.Context, r *runtimeapi.ContainerStatsRequest) (*runtimeapi.ContainerStatsResponse, error) {
|
|
filter := &runtimeapi.ContainerFilter{
|
|
Id: r.ContainerId,
|
|
}
|
|
listResp, err := ds.ListContainers(ctx, &runtimeapi.ListContainersRequest{Filter: filter})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(listResp.Containers) != 1 {
|
|
return nil, fmt.Errorf("container with id %s not found", r.ContainerId)
|
|
}
|
|
stats, err := ds.getContainerStats(listResp.Containers[0])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &runtimeapi.ContainerStatsResponse{Stats: stats}, nil
|
|
}
|
|
|
|
// ListContainerStats returns stats for a list container stats request based on a filter.
|
|
func (ds *dockerService) ListContainerStats(ctx context.Context, r *runtimeapi.ListContainerStatsRequest) (*runtimeapi.ListContainerStatsResponse, error) {
|
|
containerStatsFilter := r.GetFilter()
|
|
filter := &runtimeapi.ContainerFilter{}
|
|
|
|
if containerStatsFilter != nil {
|
|
filter.Id = containerStatsFilter.Id
|
|
filter.PodSandboxId = containerStatsFilter.PodSandboxId
|
|
filter.LabelSelector = containerStatsFilter.LabelSelector
|
|
}
|
|
|
|
listResp, err := ds.ListContainers(ctx, &runtimeapi.ListContainersRequest{Filter: filter})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var stats []*runtimeapi.ContainerStats
|
|
for _, container := range listResp.Containers {
|
|
containerStats, err := ds.getContainerStats(container)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if containerStats != nil {
|
|
stats = append(stats, containerStats)
|
|
}
|
|
}
|
|
|
|
return &runtimeapi.ListContainerStatsResponse{Stats: stats}, nil
|
|
}
|
|
|
|
// PodSandboxStats returns stats for a pod sandbox based on pod sandbox id.
|
|
// This function is not implemented for the dockershim.
|
|
func (ds *dockerService) PodSandboxStats(_ context.Context, r *runtimeapi.PodSandboxStatsRequest) (*runtimeapi.PodSandboxStatsResponse, error) {
|
|
return nil, ErrNotImplemented
|
|
}
|
|
|
|
// ListPodSandboxStats returns stats for a list of pod sandboxes based on a filter.
|
|
// This function is not implemented for the dockershim.
|
|
func (ds *dockerService) ListPodSandboxStats(ctx context.Context, r *runtimeapi.ListPodSandboxStatsRequest) (*runtimeapi.ListPodSandboxStatsResponse, error) {
|
|
return nil, ErrNotImplemented
|
|
}
|