Allow to change logging options using 'runsc debug'

New options are:
  runsc debug --strace=off|all|function1,function2
  runsc debug --log-level=warning|info|debug
  runsc debug --log-packets=true|false

Updates #407

PiperOrigin-RevId: 254843128

1 files changed, 16 insertions, 1 deletions

diff --git a/runsc/sandbox/sandbox.go b/runsc/sandbox/sandbox.go
index 3bd0291c0..52a5dfd77 100644
--- a/runsc/sandbox/sandbox.go
+++ b/runsc/sandbox/sandbox.go
@@ -960,7 +960,7 @@ func (s *Sandbox) StartTrace(f *os.File) error {
 	return nil
 }
 
-// StopTrace stops a previously started trace..
+// StopTrace stops a previously started trace.
 func (s *Sandbox) StopTrace() error {
 	log.Debugf("Trace stop %q", s.ID)
 	conn, err := s.sandboxConnect()
@@ -975,6 +975,21 @@ func (s *Sandbox) StopTrace() error {
 	return nil
 }
 
+// ChangeLogging changes logging options.
+func (s *Sandbox) ChangeLogging(args control.LoggingArgs) error {
+	log.Debugf("Change logging start %q", s.ID)
+	conn, err := s.sandboxConnect()
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	if err := conn.Call(boot.ChangeLogging, &args, nil); err != nil {
+		return fmt.Errorf("changing sandbox %q logging: %v", s.ID, err)
+	}
+	return nil
+}
+
 // DestroyContainer destroys the given container. If it is the root container,
 // then the entire sandbox is destroyed.
 func (s *Sandbox) DestroyContainer(cid string) error {