113 lines
3.3 KiB
Go
113 lines
3.3 KiB
Go
/*
|
|
Copyright The containerd 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 (
|
|
"golang.org/x/net/context"
|
|
|
|
runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
|
|
|
|
containerstore "github.com/containerd/containerd/pkg/cri/store/container"
|
|
)
|
|
|
|
// ListContainers lists all containers matching the filter.
|
|
func (c *criService) ListContainers(ctx context.Context, r *runtime.ListContainersRequest) (*runtime.ListContainersResponse, error) {
|
|
// List all containers from store.
|
|
containersInStore := c.containerStore.List()
|
|
|
|
var containers []*runtime.Container
|
|
for _, container := range containersInStore {
|
|
containers = append(containers, toCRIContainer(container))
|
|
}
|
|
|
|
containers = c.filterCRIContainers(containers, r.GetFilter())
|
|
return &runtime.ListContainersResponse{Containers: containers}, nil
|
|
}
|
|
|
|
// toCRIContainer converts internal container object into CRI container.
|
|
func toCRIContainer(container containerstore.Container) *runtime.Container {
|
|
status := container.Status.Get()
|
|
return &runtime.Container{
|
|
Id: container.ID,
|
|
PodSandboxId: container.SandboxID,
|
|
Metadata: container.Config.GetMetadata(),
|
|
Image: container.Config.GetImage(),
|
|
ImageRef: container.ImageRef,
|
|
State: status.State(),
|
|
CreatedAt: status.CreatedAt,
|
|
Labels: container.Config.GetLabels(),
|
|
Annotations: container.Config.GetAnnotations(),
|
|
}
|
|
}
|
|
|
|
func (c *criService) normalizeContainerFilter(filter *runtime.ContainerFilter) {
|
|
if cntr, err := c.containerStore.Get(filter.GetId()); err == nil {
|
|
filter.Id = cntr.ID
|
|
}
|
|
if sb, err := c.sandboxStore.Get(filter.GetPodSandboxId()); err == nil {
|
|
filter.PodSandboxId = sb.ID
|
|
}
|
|
}
|
|
|
|
// filterCRIContainers filters CRIContainers.
|
|
func (c *criService) filterCRIContainers(containers []*runtime.Container, filter *runtime.ContainerFilter) []*runtime.Container {
|
|
if filter == nil {
|
|
return containers
|
|
}
|
|
|
|
// The containerd cri plugin supports short ids so long as there is only one
|
|
// match. So we do a lookup against the store here if a pod id has been
|
|
// included in the filter.
|
|
sb := filter.GetPodSandboxId()
|
|
if sb != "" {
|
|
sandbox, err := c.sandboxStore.Get(sb)
|
|
if err == nil {
|
|
sb = sandbox.ID
|
|
}
|
|
}
|
|
|
|
c.normalizeContainerFilter(filter)
|
|
filtered := []*runtime.Container{}
|
|
for _, cntr := range containers {
|
|
if filter.GetId() != "" && filter.GetId() != cntr.Id {
|
|
continue
|
|
}
|
|
if sb != "" && sb != cntr.PodSandboxId {
|
|
continue
|
|
}
|
|
if filter.GetState() != nil && filter.GetState().GetState() != cntr.State {
|
|
continue
|
|
}
|
|
if filter.GetLabelSelector() != nil {
|
|
match := true
|
|
for k, v := range filter.GetLabelSelector() {
|
|
got, ok := cntr.Labels[k]
|
|
if !ok || got != v {
|
|
match = false
|
|
break
|
|
}
|
|
}
|
|
if !match {
|
|
continue
|
|
}
|
|
}
|
|
filtered = append(filtered, cntr)
|
|
}
|
|
|
|
return filtered
|
|
}
|