func (c *CreateShardsCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
createdShards, err := config.AddShards(c.Shards)
if err != nil {
return nil, err
}
createdShardData := make([]*cluster.NewShardData, 0)
for _, s := range createdShards {
createdShardData = append(createdShardData, s.ToNewShardData())
}
return createdShardData, nil
}
func (c *InfluxJoinCommand) Apply(server raft.Server) (interface{}, error) {
err := server.AddPeer(c.Name, c.ConnectionString)
if err != nil {
return nil, err
}
clusterConfig := server.Context().(*cluster.ClusterConfiguration)
newServer := clusterConfig.GetServerByRaftName(c.Name)
// it's a new server the cluster has never seen, make it a potential
if newServer != nil {
return nil, fmt.Errorf("Server %s already exist", c.Name)
}
log.Info("Adding new server to the cluster config %s", c.Name)
clusterServer := cluster.NewClusterServer(c.Name,
c.ConnectionString,
c.ProtobufConnectionString,
nil,
clusterConfig.GetLocalConfiguration())
clusterConfig.AddPotentialServer(clusterServer)
return nil, nil
}
func (c *InfluxForceLeaveCommand) Apply(server raft.Server) (interface{}, error) {
clusterConfig := server.Context().(*cluster.ClusterConfiguration)
s := clusterConfig.GetServerById(&c.Id)
if s == nil {
return nil, nil
}
if err := server.RemovePeer(s.RaftName); err != nil {
log.Warn("Cannot remove peer: %s", err)
}
if err := clusterConfig.RemoveServer(s); err != nil {
log.Warn("Cannot remove peer from cluster config: %s", err)
}
server.FlushCommitIndex()
return nil, nil
}
func (c *DeleteContinuousQueryCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
err := config.DeleteContinuousQuery(c.Database, c.Id)
return nil, err
}
func (c *SetContinuousQueryTimestampCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
err := config.SetContinuousQueryTimestamp(c.Timestamp)
return nil, err
}
func (c *DropShardSpaceCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
err := config.RemoveShardSpace(c.Database, c.Name)
return nil, err
}
func (c *CreateShardSpaceCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
err := config.AddShardSpace(c.ShardSpace)
return nil, err
}
func (c *DropSeriesCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
err := config.DropSeries(c.Database, c.Series)
return nil, err
}
func (c *CreateSeriesFieldIdsCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
err := config.MetaStore.GetOrSetFieldIds(c.Database, c.Series)
return c.Series, err
}
func (c *DropShardCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
err := config.DropShard(c.ShardId, c.ServerIds)
return nil, err
}
func (c *InfluxChangeConnectionStringCommand) Apply(server raft.Server) (interface{}, error) {
if c.Name == server.Name() {
return nil, nil
}
server.RemovePeer(c.Name)
server.AddPeer(c.Name, c.ConnectionString)
clusterConfig := server.Context().(*cluster.ClusterConfiguration)
newServer := clusterConfig.GetServerByRaftName(c.Name)
// it's a new server the cluster has never seen, make it a potential
if newServer == nil {
return nil, fmt.Errorf("Server %s doesn't exist", c.Name)
}
newServer.RaftConnectionString = c.ConnectionString
newServer.ProtobufConnectionString = c.ProtobufConnectionString
server.Context().(*cluster.ClusterConfiguration).ChangeProtobufConnectionString(newServer)
server.FlushCommitIndex()
return nil, nil
}
func (c *SaveClusterAdminCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
config.SaveClusterAdmin(c.User)
return nil, nil
}
func (c *ChangeDbUserPermissions) Apply(server raft.Server) (interface{}, error) {
log.Debug("(raft:%s) changing db user permissions for %s:%s", server.Name(), c.Database, c.Username)
config := server.Context().(*cluster.ClusterConfiguration)
return nil, config.ChangeDbUserPermissions(c.Database, c.Username, c.ReadPermissions, c.WritePermissions)
}
func (c *ChangeDbUserPassword) Apply(server raft.Server) (interface{}, error) {
log.Debug("(raft:%s) changing db user password for %s:%s", server.Name(), c.Database, c.Username)
config := server.Context().(*cluster.ClusterConfiguration)
return nil, config.ChangeDbUserPassword(c.Database, c.Username, c.Hash)
}
func (c *SaveDbUserCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
config.SaveDbUser(c.User)
log.Debug("(raft:%s) Created user %s:%s", server.Name(), c.User.Db, c.User.Name)
return nil, nil
}
func (c *CreateDatabaseCommand) Apply(server raft.Server) (interface{}, error) {
config := server.Context().(*cluster.ClusterConfiguration)
err := config.CreateDatabase(c.Name)
return nil, err
}