containerd/cmd/dist/common.go
Stephen J Day 39da6ff879
images: move image package to images
Signed-off-by: Stephen J Day <stephen.day@docker.com>
2017-03-21 17:36:37 -07:00

59 lines
1.4 KiB
Go

package main
import (
"net"
"path/filepath"
"time"
"github.com/boltdb/bolt"
"github.com/docker/containerd/content"
"github.com/docker/containerd/images"
"github.com/urfave/cli"
"google.golang.org/grpc"
)
func resolveContentStore(context *cli.Context) (*content.Store, error) {
root := filepath.Join(context.GlobalString("root"), "content")
if !filepath.IsAbs(root) {
var err error
root, err = filepath.Abs(root)
if err != nil {
return nil, err
}
}
return content.NewStore(root)
}
func connectGRPC(context *cli.Context) (*grpc.ClientConn, error) {
socket := context.GlobalString("socket")
timeout := context.GlobalDuration("connect-timeout")
return grpc.Dial(socket,
grpc.WithTimeout(timeout),
grpc.WithBlock(),
grpc.WithInsecure(),
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", socket, timeout)
}),
)
}
func getDB(ctx *cli.Context, readonly bool) (*bolt.DB, error) {
// TODO(stevvooe): For now, we operate directly on the database. We will
// replace this with a GRPC service when the details are more concrete.
path := filepath.Join(ctx.GlobalString("root"), "meta.db")
db, err := bolt.Open(path, 0644, &bolt.Options{
ReadOnly: readonly,
})
if err != nil {
return nil, err
}
if !readonly {
if err := images.InitDB(db); err != nil {
return nil, err
}
}
return db, nil
}