microcloud/service/service/handler: Restart LXD on MicroCloud start t…

…o refresh symlinks

Signed-off-by: Max Asnaashari <max.asnaashari@canonical.com>

microcloud/service/service_handler.go

@@ -10,6 +10,7 @@ import (
 
 	lxd "github.com/canonical/lxd/client"
 	"github.com/canonical/lxd/shared"
+	"github.com/canonical/lxd/shared/logger"
 	"github.com/canonical/microcluster/state"
 	"github.com/hashicorp/mdns"
 
@@ -87,7 +88,18 @@ func (s *Handler) Start(state *state.State) error {
 	// Attempt to wake up LXD so it can generate certificates already.
 	d, err := lxd.ConnectLXDUnix("/var/snap/lxd/common/lxd/unix.socket", nil)
 	if err == nil {
-		_, _, _ = d.GetServer()
+		_, _, err = d.RawQuery("PUT", fmt.Sprint("/internal/shutdown"), nil, "")
+		if err != nil {
+			logger.Warn("Failed to send shutdown signal to LXD")
+		}
+
+		// A sleep might be necessary here on slower machines?
+		_, _, err := d.GetServer()
+		if err != nil {
+			logger.Errorf("Failed to initialize LXD server", err)
+		}
+	} else {
+		logger.Warn("Failed to connect to LXD unix socket. LXD will not restart")
 	}
 
 	s.AuthSecret, err = shared.RandomCryptoString()