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