daemon/listeners: use pkg/errors
@@ -2,7 +2,6 @@ package listeners // import "github.com/docker/docker/daemon/listeners"
import (
"crypto/tls"
- "fmt"
"net"
"os"
"strconv"
@@ -10,6 +9,7 @@ import (
"github.com/coreos/go-systemd/v22/activation"
"github.com/docker/docker/pkg/homedir"
"github.com/docker/go-connections/sockets"
+ "github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
@@ -44,7 +44,7 @@ func Init(proto, addr, socketGroup string, tlsConfig *tls.Config) ([]net.Listene
}
l, err := sockets.NewUnixSocket(addr, gid)
if err != nil {
- return nil, fmt.Errorf("can't create unix socket %s: %v", addr, err)
+ return nil, errors.Wrapf(err, "can't create unix socket %s", addr)
}
if _, err := homedir.StickRuntimeDirContents([]string{addr}); err != nil {
// StickRuntimeDirContents returns nil error if XDG_RUNTIME_DIR is just unset
@@ -52,7 +52,7 @@ func Init(proto, addr, socketGroup string, tlsConfig *tls.Config) ([]net.Listene
}
ls = append(ls, l)
default:
- return nil, fmt.Errorf("invalid protocol format: %q", proto)
+ return nil, errors.Errorf("invalid protocol format: %q", proto)
}
return ls, nil
@@ -76,7 +76,7 @@ func listenFD(addr string, tlsConfig *tls.Config) ([]net.Listener, error) {
}
if len(listeners) == 0 {
- return nil, fmt.Errorf("no sockets found via socket activation: make sure the service was started by systemd")
+ return nil, errors.New("no sockets found via socket activation: make sure the service was started by systemd")
}
// default to all fds just like unix:// and tcp://
@@ -86,21 +86,21 @@ func listenFD(addr string, tlsConfig *tls.Config) ([]net.Listener, error) {
fdNum, err := strconv.Atoi(addr)
if err != nil {
- return nil, fmt.Errorf("failed to parse systemd fd address: should be a number: %v", addr)
+ return nil, errors.Errorf("failed to parse systemd fd address: should be a number: %v", addr)
}
fdOffset := fdNum - 3
if len(listeners) < fdOffset+1 {
- return nil, fmt.Errorf("too few socket activated files passed in by systemd")
+ return nil, errors.New("too few socket activated files passed in by systemd")
}
if listeners[fdOffset] == nil {
- return nil, fmt.Errorf("failed to listen on systemd activated file: fd %d", fdOffset+3)
+ return nil, errors.Errorf("failed to listen on systemd activated file: fd %d", fdOffset+3)
}
for i, ls := range listeners {
if i == fdOffset || ls == nil {
continue
}
if err := ls.Close(); err != nil {
- return nil, fmt.Errorf("failed to close systemd activated file: fd %d: %v", fdOffset+3, err)
+ return nil, errors.Wrapf(err, "failed to close systemd activated file: fd %d", fdOffset+3)
}
}
return []net.Listener{listeners[fdOffset]}, nil
