mirror of https://github.com/k3s-io/k3s
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
2.2 KiB
100 lines
2.2 KiB
//go:build !windows
|
|
// +build !windows
|
|
|
|
package rootless
|
|
|
|
import (
|
|
"io"
|
|
"path"
|
|
"strings"
|
|
|
|
"github.com/rootless-containers/rootlesskit/pkg/port"
|
|
portbuiltin "github.com/rootless-containers/rootlesskit/pkg/port/builtin"
|
|
portslirp4netns "github.com/rootless-containers/rootlesskit/pkg/port/slirp4netns"
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
type logrusDebugWriter struct {
|
|
}
|
|
|
|
func (w *logrusDebugWriter) Write(p []byte) (int, error) {
|
|
s := strings.TrimSuffix(string(p), "\n")
|
|
logrus.Debug(s)
|
|
return len(p), nil
|
|
}
|
|
|
|
type portDriver interface {
|
|
NewParentDriver() (port.ParentDriver, error)
|
|
NewChildDriver() port.ChildDriver
|
|
LogWriter() io.Writer
|
|
SetStateDir(string)
|
|
APISocketPath() string
|
|
}
|
|
|
|
type builtinDriver struct {
|
|
logWriter io.Writer
|
|
stateDir string
|
|
}
|
|
|
|
func (b *builtinDriver) NewParentDriver() (port.ParentDriver, error) {
|
|
return portbuiltin.NewParentDriver(b.logWriter, b.stateDir)
|
|
}
|
|
|
|
func (b *builtinDriver) NewChildDriver() port.ChildDriver {
|
|
return portbuiltin.NewChildDriver(b.logWriter)
|
|
}
|
|
|
|
func (b *builtinDriver) LogWriter() io.Writer {
|
|
return b.logWriter
|
|
}
|
|
|
|
func (b *builtinDriver) SetStateDir(stateDir string) {
|
|
b.stateDir = stateDir
|
|
}
|
|
|
|
func (b *builtinDriver) APISocketPath() string {
|
|
return ""
|
|
}
|
|
|
|
type slirp4netnsDriver struct {
|
|
logWriter io.Writer
|
|
stateDir string
|
|
}
|
|
|
|
func (s *slirp4netnsDriver) NewParentDriver() (port.ParentDriver, error) {
|
|
return portslirp4netns.NewParentDriver(s.logWriter, s.APISocketPath())
|
|
}
|
|
|
|
func (s *slirp4netnsDriver) NewChildDriver() port.ChildDriver {
|
|
return portslirp4netns.NewChildDriver()
|
|
}
|
|
|
|
func (s *slirp4netnsDriver) LogWriter() io.Writer {
|
|
return s.logWriter
|
|
}
|
|
|
|
func (s *slirp4netnsDriver) SetStateDir(stateDir string) {
|
|
s.stateDir = stateDir
|
|
}
|
|
|
|
func (s *slirp4netnsDriver) APISocketPath() string {
|
|
if s.stateDir != "" {
|
|
return path.Join(s.stateDir, ".s4nn.sock")
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func getDriver(driverName string) portDriver {
|
|
logWriter := &logrusDebugWriter{}
|
|
|
|
if driverName == "slirp4netns" {
|
|
return &slirp4netnsDriver{logWriter: logWriter}
|
|
}
|
|
|
|
if driverName != "" && driverName != "builtin" {
|
|
logrus.Warnf("Unsupported port driver %s, using default builtin", driverName)
|
|
}
|
|
|
|
return &builtinDriver{logWriter: logWriter}
|
|
}
|