Shutdown mode

Approved-by: Saxon Milton

cmd/rv/main.go

@@ -75,7 +75,7 @@ import (
 )
 
 // Current software version.
-const version = "v1.4.5"
+const version = "v1.5.0"
 
 // Copyright information prefixed to all metadata.
 const (
@@ -95,10 +95,11 @@ const (
 
 // Revid modes.
 const (
-	modeNormal = "Normal"
-	modePaused = "Paused"
-	modeBurst  = "Burst"
-	modeLoop   = "Loop"
+	modeNormal    = "Normal"
+	modePaused    = "Paused"
+	modeBurst     = "Burst"
+	modeLoop      = "Loop"
+	modeShutdown  = "Shutdown"
 )
 
 // Misc constants.
@@ -108,6 +109,7 @@ const (
 	profilePath      = "rv.prof"
 	pkg              = "rv: "
 	runPreDelay      = 20 * time.Second
+	rebootCmd        = "syncreboot"
 )
 
 // Software define pin values.
@@ -269,6 +271,14 @@ func run(rv *revid.Revid, ns *netsender.Sender, l logging.Logger, nl *netlogger.
 				continue
 			}
 			ns.SetMode(modePaused, &vs)
+		case modeShutdown:
+			l.Debug("mode is Shutdown, shutting down")
+			rv.Stop()
+			ns.SetMode(modePaused, &vs)
+			out, err := exec.Command(rebootCmd, "-s=true").CombinedOutput()
+			if err != nil {
+				l.Warning("could not use syncreboot to shutdown, out: %s, err: %w", string(out), err)
+			}
 		}
 		l.Info("revid updated with new mode")
 

revid/config/variables.go

@@ -425,7 +425,7 @@ var Variables = []struct {
 	},
 	{
 		Name:   KeyMode,
-		Type:   "enum:Normal,Paused,Burst",
+		Type:   "enum:Normal,Paused,Burst,Shutdown",
 		Update: func(c *Config, v string) {},
 	},
 	{