actionnode

const (
	TABLET_ACTION_PING  = "Ping"
	TABLET_ACTION_SLEEP = "Sleep"

	TABLET_ACTION_SET_RDONLY             = "SetReadOnly"
	TABLET_ACTION_SET_RDWR               = "SetReadWrite"
	TABLET_ACTION_CHANGE_TYPE            = "ChangeType"
	TABLET_ACTION_SET_BLACKLISTED_TABLES = "SetBlacklistedTables"

	TABLET_ACTION_DEMOTE_MASTER = "DemoteMaster"
	TABLET_ACTION_PROMOTE_SLAVE = "PromoteSlave"

	// SlaveWasPromoted tells a tablet this previously slave
	// tablet is now the master. The tablet will update its
	// own topology record.
	TABLET_ACTION_SLAVE_WAS_PROMOTED = "SlaveWasPromoted"

	TABLET_ACTION_RESTART_SLAVE = "RestartSlave"

	// SlaveWasRestarted tells a tablet the mysql master was changed.
	// The tablet will check it is indeed the case, and update its own
	// topology record.
	TABLET_ACTION_SLAVE_WAS_RESTARTED = "SlaveWasRestarted"

	// StopSlave will stop MySQL replication.
	TABLET_ACTION_STOP_SLAVE = "StopSlave"

	// StopSlave will stop MySQL replication after it reaches a
	// minimum point.
	TABLET_ACTION_STOP_SLAVE_MINIMUM = "StopSlaveMinimum"

	// StartSlave will start MySQL replication.
	TABLET_ACTION_START_SLAVE = "StartSlave"

	TABLET_ACTION_BREAK_SLAVES        = "BreakSlaves"
	TABLET_ACTION_MASTER_POSITION     = "MasterPosition"
	TABLET_ACTION_REPARENT_POSITION   = "ReparentPosition"
	TABLET_ACTION_SLAVE_POSITION      = "SlavePosition"
	TABLET_ACTION_WAIT_SLAVE_POSITION = "WaitSlavePosition"
	TABLET_ACTION_WAIT_BLP_POSITION   = "WaitBlpPosition"
	TABLET_ACTION_STOP_BLP            = "StopBlp"
	TABLET_ACTION_START_BLP           = "StartBlp"
	TABLET_ACTION_RUN_BLP_UNTIL       = "RunBlpUntil"
	TABLET_ACTION_SCRAP               = "Scrap"
	TABLET_ACTION_GET_SCHEMA          = "GetSchema"
	TABLET_ACTION_PREFLIGHT_SCHEMA    = "PreflightSchema"
	TABLET_ACTION_APPLY_SCHEMA        = "ApplySchema"
	TABLET_ACTION_RELOAD_SCHEMA       = "ReloadSchema"
	TABLET_ACTION_GET_PERMISSIONS     = "GetPermissions"
	TABLET_ACTION_EXECUTE_HOOK        = "ExecuteHook"
	TABLET_ACTION_GET_SLAVES          = "GetSlaves"

	TABLET_ACTION_SNAPSHOT            = "Snapshot"
	TABLET_ACTION_SNAPSHOT_SOURCE_END = "SnapshotSourceEnd"
	TABLET_ACTION_RESERVE_FOR_RESTORE = "ReserveForRestore"
	TABLET_ACTION_RESTORE             = "Restore"
	TABLET_ACTION_MULTI_SNAPSHOT      = "MultiSnapshot"
	TABLET_ACTION_MULTI_RESTORE       = "MultiRestore"

	SHARD_ACTION_REPARENT              = "ReparentShard"
	SHARD_ACTION_EXTERNALLY_REPARENTED = "ShardExternallyReparented"
	// Recompute derived shard-wise data
	SHARD_ACTION_REBUILD = "RebuildShard"
	// Generic read lock for inexpensive shard-wide actions.
	SHARD_ACTION_CHECK = "CheckShard"
	// Apply a schema change on an entire shard
	SHARD_ACTION_APPLY_SCHEMA = "ApplySchemaShard"
	// Changes the ServedTypes inside a shard
	SHARD_ACTION_SET_SERVED_TYPES = "SetShardServedTypes"
	// Multi-restore on all tablets of a shard in parallel
	SHARD_ACTION_MULTI_RESTORE = "ShardMultiRestore"
	// Migrate served types from one shard to another
	SHARD_ACTION_MIGRATE_SERVED_TYPES = "MigrateServedTypes"
	// Update the Shard object (Cells, ...)
	SHARD_ACTION_UPDATE_SHARD = "UpdateShard"

	KEYSPACE_ACTION_REBUILD             = "RebuildKeyspace"
	KEYSPACE_ACTION_APPLY_SCHEMA        = "ApplySchemaKeyspace"
	KEYSPACE_ACTION_SET_SHARDING_INFO   = "SetKeyspaceShardingInfo"
	KEYSPACE_ACTION_MIGRATE_SERVED_FROM = "MigrateServedFrom"

	SRV_SHARD_ACTION_REBUILD = "RebuildSrvShard"

	ACTION_STATE_QUEUED  = ActionState("")        // All actions are queued initially
	ACTION_STATE_RUNNING = ActionState("Running") // Running inside vtaction process
	ACTION_STATE_FAILED  = ActionState("Failed")  // Ended with a failure
	ACTION_STATE_DONE    = ActionState("Done")    // Ended with no failure
)