patroni.postgresql.postmaster module
- class patroni.postgresql.postmaster.PostmasterProcess(pid: int)
Bases:
Process
- classmethod _from_pidfile(data_dir: str) PostmasterProcess | None
- static _read_postmaster_pidfile(data_dir: str) Dict[str, str]
Reads and parses postmaster.pid from the data directory
:returns dictionary of values if successful, empty dictionary otherwise
- classmethod from_pid(pid: int) PostmasterProcess | None
- static from_pidfile(data_dir: str) PostmasterProcess | None
- signal_kill() bool
to suspend and kill postmaster and all children
:returns True if postmaster and children are killed, False if error
- signal_stop(mode: str, pg_ctl: str = 'pg_ctl') bool | None
Signal postmaster process to stop
:returns None if signaled, True if process is already gone, False if error