32e0313418
This commit: 1) Replaces the usage of containerd GRPC APIs with the containerd client for all operations related to containerd. 2) Updated containerd to v1.0alpha4+ 3) Updated runc to v1.0.0 Signed-off-by: Abhinandan Prativadi <abhi@docker.com>
131 lines
3.3 KiB
Go
131 lines
3.3 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 container
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import (
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"sync"
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"github.com/containerd/containerd"
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"github.com/kubernetes-incubator/cri-containerd/pkg/store"
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)
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// Container contains all resources associated with the container. All methods to
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// mutate the internal state are thread-safe.
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type Container struct {
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// Metadata is the metadata of the container, it is **immutable** after created.
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Metadata
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// Status stores the status of the container.
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Status StatusStorage
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// Containerd container
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Container containerd.Container
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}
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// Opts sets specific information to newly created Container.
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type Opts func(*Container)
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// WithContainer adds the containerd Container to the internal data store.
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func WithContainer(cntr containerd.Container) Opts {
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return func(c *Container) {
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c.Container = cntr
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}
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}
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// NewContainer creates an internally used container type.
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func NewContainer(metadata Metadata, status Status, opts ...Opts) (Container, error) {
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s, err := StoreStatus(metadata.ID, status)
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if err != nil {
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return Container{}, err
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}
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c := Container{
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Metadata: metadata,
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Status: s,
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}
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for _, o := range opts {
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o(&c)
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}
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return c, nil
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}
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// Delete deletes checkpoint for the container.
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func (c *Container) Delete() error {
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return c.Status.Delete()
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}
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// LoadContainer loads the internal used container type.
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func LoadContainer() (Container, error) {
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return Container{}, nil
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}
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// Store stores all Containers.
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type Store struct {
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lock sync.RWMutex
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containers map[string]Container
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// TODO(random-liu): Add trunc index.
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}
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// LoadStore loads containers from runtime.
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// TODO(random-liu): Implement LoadStore.
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func LoadStore() *Store { return nil }
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// NewStore creates a container store.
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func NewStore() *Store {
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return &Store{containers: make(map[string]Container)}
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}
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// Add a container into the store. Returns store.ErrAlreadyExist if the
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// container already exists.
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func (s *Store) Add(c Container) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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if _, ok := s.containers[c.ID]; ok {
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return store.ErrAlreadyExist
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}
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s.containers[c.ID] = c
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return nil
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}
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// Get returns the container with specified id. Returns store.ErrNotExist
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// if the container doesn't exist.
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func (s *Store) Get(id string) (Container, error) {
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s.lock.RLock()
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defer s.lock.RUnlock()
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if c, ok := s.containers[id]; ok {
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return c, nil
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}
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return Container{}, store.ErrNotExist
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}
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// List lists all containers.
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func (s *Store) List() []Container {
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s.lock.RLock()
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defer s.lock.RUnlock()
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var containers []Container
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for _, c := range s.containers {
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containers = append(containers, c)
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}
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return containers
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}
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// Delete deletes the container from store with specified id.
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func (s *Store) Delete(id string) {
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s.lock.Lock()
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defer s.lock.Unlock()
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delete(s.containers, id)
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}
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