119 lines
3.3 KiB
Go
119 lines
3.3 KiB
Go
/*
|
|
Copyright The containerd 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
|
|
|
|
http://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.
|
|
*/
|
|
|
|
package v2
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"strings"
|
|
|
|
eventstypes "github.com/containerd/containerd/api/events"
|
|
"github.com/containerd/containerd/events/exchange"
|
|
"github.com/containerd/containerd/log"
|
|
"github.com/containerd/containerd/runtime"
|
|
client "github.com/containerd/containerd/runtime/v2/shim"
|
|
"github.com/containerd/containerd/runtime/v2/task"
|
|
"github.com/containerd/ttrpc"
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
func shimBinary(ctx context.Context, bundle *Bundle, runtime, containerdAddress string, events *exchange.Exchange, rt *runtime.TaskList) *binary {
|
|
return &binary{
|
|
bundle: bundle,
|
|
runtime: runtime,
|
|
containerdAddress: containerdAddress,
|
|
events: events,
|
|
rtTasks: rt,
|
|
}
|
|
}
|
|
|
|
type binary struct {
|
|
runtime string
|
|
containerdAddress string
|
|
bundle *Bundle
|
|
events *exchange.Exchange
|
|
rtTasks *runtime.TaskList
|
|
}
|
|
|
|
func (b *binary) Start(ctx context.Context) (*shim, error) {
|
|
cmd, err := client.Command(ctx, b.runtime, b.containerdAddress, b.bundle.Path, "-id", b.bundle.ID, "start")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
out, err := cmd.CombinedOutput()
|
|
if err != nil {
|
|
return nil, errors.Wrapf(err, "%s", out)
|
|
}
|
|
address := strings.TrimSpace(string(out))
|
|
conn, err := client.Connect(address, client.AnonDialer)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
client := ttrpc.NewClient(conn)
|
|
client.OnClose(func() { conn.Close() })
|
|
return &shim{
|
|
bundle: b.bundle,
|
|
client: client,
|
|
task: task.NewTaskClient(client),
|
|
events: b.events,
|
|
rtTasks: b.rtTasks,
|
|
}, nil
|
|
}
|
|
|
|
func (b *binary) Delete(ctx context.Context) (*runtime.Exit, error) {
|
|
log.G(ctx).Info("cleaning up dead shim")
|
|
cmd, err := client.Command(ctx, b.runtime, b.containerdAddress, b.bundle.Path, "-id", b.bundle.ID, "delete")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var (
|
|
out = bytes.NewBuffer(nil)
|
|
errb = bytes.NewBuffer(nil)
|
|
)
|
|
cmd.Stdout = out
|
|
cmd.Stderr = errb
|
|
if err := cmd.Run(); err != nil {
|
|
return nil, errors.Wrapf(err, "%s", errb.String())
|
|
}
|
|
s := errb.String()
|
|
if s != "" {
|
|
log.G(ctx).Warnf("cleanup warnings %s", s)
|
|
}
|
|
var response task.DeleteResponse
|
|
if err := response.Unmarshal(out.Bytes()); err != nil {
|
|
return nil, err
|
|
}
|
|
if err := b.bundle.Delete(); err != nil {
|
|
return nil, err
|
|
}
|
|
// remove self from the runtime task list
|
|
// this seems dirty but it cleans up the API across runtimes, tasks, and the service
|
|
b.rtTasks.Delete(ctx, b.bundle.ID)
|
|
// shim will send the exit event
|
|
b.events.Publish(ctx, runtime.TaskDeleteEventTopic, &eventstypes.TaskDelete{
|
|
ContainerID: b.bundle.ID,
|
|
ExitStatus: response.ExitStatus,
|
|
ExitedAt: response.ExitedAt,
|
|
Pid: response.Pid,
|
|
})
|
|
return &runtime.Exit{
|
|
Status: response.ExitStatus,
|
|
Timestamp: response.ExitedAt,
|
|
Pid: response.Pid,
|
|
}, nil
|
|
}
|