fix #507. Cluster admin passwords don't propagate to other nodes in cluster

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - [Issue #500](https://github.com/influxdb/influxdb/issues/500). Support `y` sufix in time durations
 - [Issue #501](https://github.com/influxdb/influxdb/issues/501). Writes with invalid payload should be rejected
+- [Issue #507](https://github.com/influxdb/influxdb/issues/507). New cluster admin passwords don't propagate properly to other nodes in a cluster
 
 ## v0.6.0 [2014-05-02]
 

src/cluster/cluster_configuration.go

@@ -469,6 +469,7 @@ func (self *ClusterConfiguration) SaveClusterAdmin(u *ClusterAdmin) {
 		return
 	}
 	self.clusterAdmins[u.GetName()] = u
+	u.ChangePassword(u.Hash)
 }
 
 type SavedConfiguration struct {

src/coordinator/raft_server.go

@@ -284,7 +284,7 @@ func (s *RaftServer) ChangeConnectionString(raftName, protobufConnectionString,
 	for _, s := range s.raftServer.Peers() {
 		// send the command and ignore errors in case a server is down
 		SendCommandToServer(s.ConnectionString, command)
-		log.Info("sent command to change port to %s", s.ConnectionString)
+		log.Info("sent %#v to %s", command, s.ConnectionString)
 	}
 
 	// make the change permament

src/integration/multiple_servers_test.go

@@ -53,6 +53,31 @@ func (self *ServerSuite) TearDownSuite(c *C) {
 	}
 }
 
+func (self *ServerSuite) TestChangingRootPassword(c *C) {
+	rootClient := self.serverProcesses[0].GetClient("", c)
+	c.Assert(rootClient.CreateClusterAdmin("newroot", "root"), IsNil)
+
+	for _, s := range self.serverProcesses {
+		s.WaitForServerToSync()
+	}
+
+	for _, s := range self.serverProcesses {
+		client := s.GetClient("", c)
+		c.Assert(client.AuthenticateClusterAdmin("newroot", "root"), IsNil)
+	}
+
+	c.Assert(rootClient.ChangeClusterAdminPassword("newroot", "root2"), IsNil)
+
+	for _, s := range self.serverProcesses {
+		s.WaitForServerToSync()
+	}
+
+	for _, s := range self.serverProcesses {
+		client := s.GetClient("", c)
+		c.Assert(client.AuthenticateClusterAdmin("newroot", "root2"), IsNil)
+	}
+}
+
 func (self *ServerSuite) TestGraphiteInterface(c *C) {
 	conn, err := net.Dial("tcp", "localhost:60513")
 	c.Assert(err, IsNil)

src/server/server.go

@@ -94,6 +94,14 @@ func (self *Server) ListenAndServe() error {
 	raftConnectionString := self.Config.RaftConnectionString()
 	if self.ClusterConfig.LocalServer.ProtobufConnectionString != self.Config.ProtobufConnectionString() ||
 		self.ClusterConfig.LocalServer.RaftConnectionString != raftConnectionString {
+
+		log.Info("Sending change connection string command (%s,%s) (%s,%s)",
+			self.ClusterConfig.LocalServer.ProtobufConnectionString,
+			self.Config.ProtobufConnectionString(),
+			self.ClusterConfig.LocalServer.RaftConnectionString,
+			raftConnectionString,
+		)
+
 		err := self.RaftServer.ChangeConnectionString(
 			self.ClusterConfig.LocalRaftName,
 			self.Config.ProtobufConnectionString(),