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Jing ChenandgVisor bot
989c4ab4d9
It will be used to expose runsc checkpoint functionality via runsc shim. The helper function doens't taret for containerd checkpoint function as containerd service method is to checkpoint one container, while gVisor provides sandbox level checkpoint as of today. PiperOrigin-RevId: 936273825
65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
// Copyright 2018 The containerd Authors.
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// Copyright 2018 The gVisor Authors.
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//
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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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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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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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package proc
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import (
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"context"
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"fmt"
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"github.com/containerd/console"
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"github.com/containerd/errdefs"
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runc "github.com/containerd/go-runc"
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"gvisor.dev/gvisor/pkg/shim/v1/extension"
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"gvisor.dev/gvisor/pkg/shim/v1/runsccmd"
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)
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type deletedState struct{}
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func (*deletedState) Resize(console.WinSize) error {
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return fmt.Errorf("cannot resize a deleted container/process")
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}
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func (*deletedState) Start(context.Context, *extension.RestoreConfig) error {
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return fmt.Errorf("cannot start a deleted container/process")
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}
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func (*deletedState) Delete(context.Context) error {
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return fmt.Errorf("cannot delete a deleted container/process: %w", errdefs.ErrNotFound)
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}
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func (*deletedState) Kill(_ context.Context, signal uint32, _ bool) error {
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return handleStoppedKill(signal)
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}
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func (*deletedState) SetExited(int) {}
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func (*deletedState) Exec(context.Context, string, *ExecConfig) (extension.Process, error) {
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return nil, fmt.Errorf("cannot exec in a deleted state")
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}
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func (s *deletedState) State(context.Context) (string, error) {
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// There is no "deleted" state, closest one is stopped.
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return "stopped", nil
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}
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func (s *deletedState) Stats(context.Context, string) (*runc.Stats, error) {
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return nil, fmt.Errorf("cannot stat a stopped container/process")
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}
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func (*deletedState) CheckpointSandbox(context.Context, *runsccmd.CheckpointOpts) error {
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return fmt.Errorf("cannot checkpoint a deleted container/process")
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}
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