visor/pkg/shim/v1/plugin/plugin_linux.go

// Copyright 2026 The gVisor 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
//
//     https://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.

//go:build linux
// +build linux

// Package plugin registers the runsc task service as a containerd TTRPC plugin.
package plugin

import (
	"github.com/containerd/containerd/v2/pkg/shim"
	"github.com/containerd/containerd/v2/pkg/shutdown"
	"github.com/containerd/containerd/v2/plugins"
	"github.com/containerd/plugin"
	"github.com/containerd/plugin/registry"
	"gvisor.dev/gvisor/pkg/shim/v1"
)

func init() {
	registry.Register(&plugin.Registration{
		Type: plugins.TTRPCPlugin,
		ID:   "task",
		Requires: []plugin.Type{
			plugins.EventPlugin,
			plugins.InternalPlugin,
		},
		InitFn: func(ic *plugin.InitContext) (interface{}, error) {
			pp, err := ic.GetByID(plugins.EventPlugin, "publisher")
			if err != nil {
				return nil, err
			}
			ss, err := ic.GetByID(plugins.InternalPlugin, "shutdown")
			if err != nil {
				return nil, err
			}
			return v1.NewShimRedirector(ic.Context, pp.(shim.Publisher), ss.(shutdown.Service))
		},
	})
}