112 lines
4.7 KiB
Go
112 lines
4.7 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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"github.com/docker/docker/pkg/truncindex"
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"google.golang.org/grpc"
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contentapi "github.com/containerd/containerd/api/services/content"
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"github.com/containerd/containerd/api/services/execution"
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imagesapi "github.com/containerd/containerd/api/services/images"
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rootfsapi "github.com/containerd/containerd/api/services/rootfs"
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"github.com/containerd/containerd/content"
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"github.com/containerd/containerd/images"
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"github.com/containerd/containerd/rootfs"
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contentservice "github.com/containerd/containerd/services/content"
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imagesservice "github.com/containerd/containerd/services/images"
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rootfsservice "github.com/containerd/containerd/services/rootfs"
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"github.com/kubernetes-incubator/cri-containerd/pkg/metadata"
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"github.com/kubernetes-incubator/cri-containerd/pkg/metadata/store"
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osinterface "github.com/kubernetes-incubator/cri-containerd/pkg/os"
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"github.com/kubernetes-incubator/cri-containerd/pkg/registrar"
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"k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
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)
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// TODO remove the underscores from the following imports as the services are
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// implemented. "_" is being used to hold the reference to keep autocomplete
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// from deleting them until referenced below.
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// nolint: golint
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import (
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_ "github.com/containerd/containerd/api/types/container"
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_ "github.com/containerd/containerd/api/types/descriptor"
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_ "github.com/containerd/containerd/api/types/mount"
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_ "github.com/opencontainers/image-spec/specs-go"
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_ "github.com/opencontainers/runtime-spec/specs-go"
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)
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// CRIContainerdService is the interface implement CRI remote service server.
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type CRIContainerdService interface {
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runtime.RuntimeServiceServer
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runtime.ImageServiceServer
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}
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// criContainerdService implements CRIContainerdService.
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type criContainerdService struct {
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// os is an interface for all required os operations.
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os osinterface.OS
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// rootDir is the directory for managing cri-containerd files.
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rootDir string
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// sandboxStore stores all sandbox metadata.
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sandboxStore metadata.SandboxStore
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// imageMetadataStore stores all image metadata.
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imageMetadataStore metadata.ImageMetadataStore
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// sandboxNameIndex stores all sandbox names and make sure each name
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// is unique.
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sandboxNameIndex *registrar.Registrar
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// sandboxIDIndex is trie tree for truncated id indexing, e.g. after an
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// id "abcdefg" is added, we could use "abcd" to identify the same thing
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// as long as there is no ambiguity.
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sandboxIDIndex *truncindex.TruncIndex
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// containerService is containerd container service client.
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containerService execution.ContainerServiceClient
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// contentIngester is the containerd service to ingest content into
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// content store.
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contentIngester content.Ingester
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// contentProvider is the containerd service to get content from
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// content store.
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contentProvider content.Provider
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// rootfsUnpacker is the containerd service to unpack image content
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// into snapshots.
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rootfsUnpacker rootfs.Unpacker
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// imageStoreService is the containerd service to store and track
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// image metadata.
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imageStoreService images.Store
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}
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// NewCRIContainerdService returns a new instance of CRIContainerdService
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func NewCRIContainerdService(conn *grpc.ClientConn, rootDir string) CRIContainerdService {
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// TODO: Initialize different containerd clients.
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// TODO(random-liu): [P2] Recover from runtime state and metadata store.
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return &criContainerdService{
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os: osinterface.RealOS{},
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rootDir: rootDir,
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sandboxStore: metadata.NewSandboxStore(store.NewMetadataStore()),
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imageMetadataStore: metadata.NewImageMetadataStore(store.NewMetadataStore()),
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// TODO(random-liu): Register sandbox id/name for recovered sandbox.
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sandboxNameIndex: registrar.NewRegistrar(),
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sandboxIDIndex: truncindex.NewTruncIndex(nil),
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containerService: execution.NewContainerServiceClient(conn),
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imageStoreService: imagesservice.NewStoreFromClient(imagesapi.NewImagesClient(conn)),
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contentIngester: contentservice.NewIngesterFromClient(contentapi.NewContentClient(conn)),
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contentProvider: contentservice.NewProviderFromClient(contentapi.NewContentClient(conn)),
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rootfsUnpacker: rootfsservice.NewUnpackerFromClient(rootfsapi.NewRootFSClient(conn)),
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}
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}
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