buildkit/control/control_containerd.go

59 lines
1.4 KiB
Go

// +build containerd
package control
import (
"fmt"
"net"
"os"
"strings"
"time"
"github.com/containerd/containerd"
"github.com/moby/buildkit/worker/containerdworker"
"github.com/pkg/errors"
)
func NewContainerd(root, address string) (*Controller, error) {
if err := os.MkdirAll(root, 0700); err != nil {
return nil, errors.Wrapf(err, "failed to create %s", root)
}
// TODO: take lock to make sure there are no duplicates
client, err := containerd.New(address, containerd.WithDefaultNamespace("buildkit"))
if err != nil {
return nil, errors.Wrapf(err, "failed to connect client to %q . make sure containerd is running", address)
}
pd := newContainerdPullDeps(client)
opt, err := defaultControllerOpts(root, *pd)
if err != nil {
return nil, err
}
opt.Worker = containerdworker.New(client)
return NewController(*opt)
}
func newContainerdPullDeps(client *containerd.Client) *pullDeps {
diff := client.DiffService()
return &pullDeps{
Snapshotter: client.SnapshotService(""),
ContentStore: client.ContentStore(),
Applier: diff,
Differ: diff,
Images: client.ImageService(),
}
}
func dialer(address string, timeout time.Duration) (net.Conn, error) {
address = strings.TrimPrefix(address, "unix://")
return net.DialTimeout("unix", address, timeout)
}
func dialAddress(address string) string {
return fmt.Sprintf("unix://%s", address)
}