// getClient returns a connection to the Suite containerd
func (cs *ContainerdSuite) getClient(socket string) error {
// Parse proto://address form addresses.
bindParts := strings.SplitN(socket, "://", 2)
if len(bindParts) != 2 {
return fmt.Errorf("bad bind address format %s, expected proto://address", socket)
}
// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
dialOpts := []grpc.DialOption{grpc.WithInsecure()}
dialOpts = append(dialOpts,
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout(bindParts[0], bindParts[1], timeout)
}),
grpc.WithBlock(),
grpc.WithTimeout(5*time.Second),
)
conn, err := grpc.Dial(socket, dialOpts...)
if err != nil {
return err
}
healthClient := grpc_health_v1.NewHealthClient(conn)
if _, err := healthClient.Check(context.Background(), &grpc_health_v1.HealthCheckRequest{}); err != nil {
return err
}
cs.grpcClient = types.NewAPIClient(conn)
return nil
}
// New creates a fresh instance of libcontainerd remote.
func New(stateDir string, options ...RemoteOption) (_ Remote, err error) {
defer func() {
if err != nil {
err = fmt.Errorf("Failed to connect to containerd. Please make sure containerd is installed in your PATH or you have specificed the correct address. Got error: %v", err)
}
}()
r := &remote{
stateDir: stateDir,
daemonPid: -1,
eventTsPath: filepath.Join(stateDir, eventTimestampFilename),
pastEvents: make(map[string]*containerd.Event),
}
for _, option := range options {
if err := option.Apply(r); err != nil {
return nil, err
}
}
if err := sysinfo.MkdirAll(stateDir, 0700); err != nil {
return nil, err
}
if r.rpcAddr == "" {
r.rpcAddr = filepath.Join(stateDir, containerdSockFilename)
}
if r.startDaemon {
if err := r.runContainerdDaemon(); err != nil {
return nil, err
}
}
// don't output the grpc reconnect logging
grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
dialOpts := append([]grpc.DialOption{grpc.WithInsecure()},
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", addr, timeout)
}),
)
conn, err := grpc.Dial(r.rpcAddr, dialOpts...)
if err != nil {
return nil, fmt.Errorf("error connecting to containerd: %v", err)
}
r.rpcConn = conn
r.apiClient = containerd.NewAPIClient(conn)
go r.handleConnectionChange()
if err := r.startEventsMonitor(); err != nil {
return nil, err
}
return r, nil
}
func getClient() types.APIClient {
dialOpts := []grpc.DialOption{grpc.WithInsecure()}
dialOpts = append(dialOpts,
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", addr, timeout)
},
))
conn, err := grpc.Dial(addr, dialOpts...)
if err != nil {
logrus.Fatal(err)
}
return types.NewAPIClient(conn)
}
// TODO: parse flags and pass opts
func getClient(ctx *cli.Context) types.APIClient {
dialOpts := []grpc.DialOption{grpc.WithInsecure()}
dialOpts = append(dialOpts,
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", addr, timeout)
},
))
conn, err := grpc.Dial(ctx.GlobalString("address"), dialOpts...)
if err != nil {
fatal(err.Error(), 1)
}
return types.NewAPIClient(conn)
}
// TODO: parse flags and pass opts
func getClient(ctx *cli.Context) types.APIClient {
// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
dialOpts := []grpc.DialOption{grpc.WithInsecure(), grpc.WithTimeout(ctx.GlobalDuration("conn-timeout"))}
dialOpts = append(dialOpts,
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", addr, timeout)
},
))
conn, err := grpc.Dial(ctx.GlobalString("address"), dialOpts...)
if err != nil {
fatal(err.Error(), 1)
}
return types.NewAPIClient(conn)
}
func getClient(address string) types.APIClient {
// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
dialOpts := []grpc.DialOption{grpc.WithInsecure(), grpc.WithTimeout(5 * time.Second)}
dialOpts = append(dialOpts,
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", addr, timeout)
},
))
conn, err := grpc.Dial(address, dialOpts...)
if err != nil {
fmt.Printf("grpc.Dial error: %v", err)
os.Exit(-1)
}
return types.NewAPIClient(conn)
}
// getClient returns a connection to the Suite containerd
func (cs *ContainerdSuite) getClient(socket string) error {
// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
dialOpts := []grpc.DialOption{grpc.WithInsecure()}
dialOpts = append(dialOpts,
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("unix", addr, timeout)
},
))
conn, err := grpc.Dial(socket, dialOpts...)
if err != nil {
return err
}
cs.grpcClient = types.NewAPIClient(conn)
return nil
}
// TODO: parse flags and pass opts
func getClient(ctx *cli.Context) types.APIClient {
// Parse proto://address form addresses.
bindSpec := ctx.GlobalString("address")
bindParts := strings.SplitN(bindSpec, "://", 2)
if len(bindParts) != 2 {
fatal(fmt.Sprintf("bad bind address format %s, expected proto://address", bindSpec), 1)
}
// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
dialOpts := []grpc.DialOption{grpc.WithInsecure(), grpc.WithTimeout(ctx.GlobalDuration("conn-timeout"))}
dialOpts = append(dialOpts,
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout(bindParts[0], bindParts[1], timeout)
},
))
conn, err := grpc.Dial(bindSpec, dialOpts...)
if err != nil {
fatal(err.Error(), 1)
}
return types.NewAPIClient(conn)
}
// TODO: parse flags and pass opts
func getClient(ctx *cli.Context) types.APIClient {
return types.NewAPIClient(getClientConn(ctx))
}