log state changes

masterelection/masterelection.go

@@ -179,10 +179,12 @@ func (m *MasterElection) Run() {
 		if err == nil {
 			// Howdy, we're the master now. Wait a while
 			// and renew our TTL.
+			log.Printf("masterelection: we are the master")
 			m.runMaster(response.EtcdIndex)
 		} else {
 			// We're not the master. Wait until the lock
 			// is deleted or expires.
+			log.Printf("masterelection: running as slave (%s)", err)
 			m.runSlave(watchIndex)
 		}
 	}