Files
thePlug/app/integrations/docker/ports.py
T
reloia 7d176fad39 feat(docker): add async port change and docker compose reload for services
- Introduce async `change_port` to update service port and reload docker compose
- Add `run_docker_command` for running docker compose commands asynchronously
- Implement `_get_random_port` utility for selecting available ports
- Refactor service discovery and port change logic to use new async methods
- Update proxy and manager logic to support new port change workflow
2026-04-13 20:33:14 +02:00

79 lines
2.3 KiB
Python

import socket
from collections.abc import Mapping
def _get_random_port() -> int:
# os automatically assigns an available port when binding to port 0, so we can use that to find a free port
try:
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.bind(('', 0))
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
port = s.getsockname()[1]
return port
except Exception as e:
raise RuntimeError(f"Could not find an available port: {e}")
def _get_service_port(mapping: str | int | Mapping[str, object]) -> int | None:
if isinstance(mapping, int):
return mapping
if isinstance(mapping, Mapping):
published = mapping.get("published")
if published is None:
return None
try:
return int(published)
except (TypeError, ValueError):
return None
parts = str(mapping).split(":")
match parts:
case [""]:
return None
case [port] | [port, _]:
try:
return int(port)
except ValueError:
return None
case ["localhost" | "127.0.0.1", _, _]:
return None
case [_, port, _]:
try:
return int(port)
except ValueError:
return None
case _:
return None
def _replace_port_in_mapping(
mapping: str | int | Mapping[str, object],
port_from: int,
port_to: int,
) -> str | dict[str, object]:
if isinstance(mapping, Mapping):
updated = dict(mapping)
if _get_service_port(updated) == port_from:
updated["published"] = str(port_to)
return updated
parts = str(mapping).split(":")
match parts:
case [_]:
return str(port_to)
case [_, container_port]:
return f"{port_to}:{container_port}"
case [ip, _, container_port]:
return f"{ip}:{port_to}:{container_port}"
case _:
return str(port_to)
def _get_port_index(mappings: list[str | int | Mapping[str, object]], port: int) -> int | None:
for i, mapping in enumerate(mappings):
if _get_service_port(mapping) == port:
return i
return None