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containerstore.go
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containerstore.go
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package containerd
import (
"context"
containersapi "github.com/containerd/containerd/api/services/containers/v1"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/errdefs"
ptypes "github.com/gogo/protobuf/types"
)
type remoteContainers struct {
client containersapi.ContainersClient
}
var _ containers.Store = &remoteContainers{}
func NewRemoteContainerStore(client containersapi.ContainersClient) containers.Store {
return &remoteContainers{
client: client,
}
}
func (r *remoteContainers) Get(ctx context.Context, id string) (containers.Container, error) {
resp, err := r.client.Get(ctx, &containersapi.GetContainerRequest{
ID: id,
})
if err != nil {
return containers.Container{}, errdefs.FromGRPC(err)
}
return containerFromProto(&resp.Container), nil
}
func (r *remoteContainers) List(ctx context.Context, filters ...string) ([]containers.Container, error) {
resp, err := r.client.List(ctx, &containersapi.ListContainersRequest{
Filters: filters,
})
if err != nil {
return nil, errdefs.FromGRPC(err)
}
return containersFromProto(resp.Containers), nil
}
func (r *remoteContainers) Create(ctx context.Context, container containers.Container) (containers.Container, error) {
created, err := r.client.Create(ctx, &containersapi.CreateContainerRequest{
Container: containerToProto(&container),
})
if err != nil {
return containers.Container{}, errdefs.FromGRPC(err)
}
return containerFromProto(&created.Container), nil
}
func (r *remoteContainers) Update(ctx context.Context, container containers.Container, fieldpaths ...string) (containers.Container, error) {
var updateMask *ptypes.FieldMask
if len(fieldpaths) > 0 {
updateMask = &ptypes.FieldMask{
Paths: fieldpaths,
}
}
updated, err := r.client.Update(ctx, &containersapi.UpdateContainerRequest{
Container: containerToProto(&container),
UpdateMask: updateMask,
})
if err != nil {
return containers.Container{}, errdefs.FromGRPC(err)
}
return containerFromProto(&updated.Container), nil
}
func (r *remoteContainers) Delete(ctx context.Context, id string) error {
_, err := r.client.Delete(ctx, &containersapi.DeleteContainerRequest{
ID: id,
})
return errdefs.FromGRPC(err)
}
func containerToProto(container *containers.Container) containersapi.Container {
return containersapi.Container{
ID: container.ID,
Labels: container.Labels,
Image: container.Image,
Runtime: &containersapi.Container_Runtime{
Name: container.Runtime.Name,
Options: container.Runtime.Options,
},
Spec: container.Spec,
Snapshotter: container.Snapshotter,
SnapshotKey: container.SnapshotKey,
Extensions: container.Extensions,
}
}
func containerFromProto(containerpb *containersapi.Container) containers.Container {
var runtime containers.RuntimeInfo
if containerpb.Runtime != nil {
runtime = containers.RuntimeInfo{
Name: containerpb.Runtime.Name,
Options: containerpb.Runtime.Options,
}
}
return containers.Container{
ID: containerpb.ID,
Labels: containerpb.Labels,
Image: containerpb.Image,
Runtime: runtime,
Spec: containerpb.Spec,
Snapshotter: containerpb.Snapshotter,
SnapshotKey: containerpb.SnapshotKey,
CreatedAt: containerpb.CreatedAt,
UpdatedAt: containerpb.UpdatedAt,
Extensions: containerpb.Extensions,
}
}
func containersFromProto(containerspb []containersapi.Container) []containers.Container {
var containers []containers.Container
for _, container := range containerspb {
containers = append(containers, containerFromProto(&container))
}
return containers
}