Forward agent logs from systemd to containerd on host for debug.

Signed-off-by: Erik Sipsma <[email protected]>

Author: sipsma

runtime/service.go

@@ -476,6 +476,8 @@ func (s *service) createVM(requestCtx context.Context, request *proto.CreateVMRe
 	cmd := firecracker.VMCommandBuilder{}.
 		WithBin(s.config.FirecrackerBinaryPath).
 		WithSocketPath(relSockPath).
+		WithStdout(s.logger.WriterLevel(logrus.InfoLevel)).
+		WithStderr(s.logger.WriterLevel(logrus.ErrorLevel)).
 		Build(s.shimCtx) // shimCtx so the VM process is only killed when the shim shuts down
 
 	// use shimCtx so the VM is killed when the shim shuts down

tools/image-builder/files_debootstrap/etc/systemd/system/firecracker-agent.service

@@ -21,3 +21,4 @@ Type=simple
 WorkingDirectory=/container
 ExecStart=/usr/local/bin/agent
 Restart=always
+StandardOutput=journal+console