ez_docker/plugins/module_utils/common.py
2025-01-13 20:52:52 +01:00

105 lines
3.3 KiB
Python

# Copyright: (c) 2024, Luca Bilke <luca@bil.ke>
# MIT License (see LICENSE)
from __future__ import annotations
import copy
from dataclasses import replace
from pathlib import Path
from typing import TYPE_CHECKING, Any
import yaml
from ansible_collections.snailed.ez_compose.plugins.module_utils.models import Result, State
if TYPE_CHECKING:
from ansible.module_utils.basic import AnsibleModule # pyright: ignore[reportMissingTypeStubs]
def recursive_update(
default: dict[Any, Any],
update: dict[Any, Any],
) -> dict[Any, Any]:
default = copy.deepcopy(default)
for key in update: # noqa: PLC0206
if isinstance(update[key], dict) and (
isinstance(default.get(key), dict) or default.get(key) is None
):
default[key] = recursive_update(default.get(key, {}), update[key])
elif isinstance(update[key], list) and (
isinstance(default.get(key), list) or default.get(key) is None
):
# default_set = set(default.get(key, []))
# custom_set = set(update[key])
# default[key] = list(default_set.union(custom_set))
default[key] = default.get(key, []).extend(update[key])
else:
default[key] = update[key]
return default
def get_state(module: AnsibleModule) -> State:
"""Create a new state object, loading the compose file into "before" if it exists."""
compose_filepath = f"{module.params['project_dir']}/{module.params['name']}/docker-compose.yml"
try:
with Path(compose_filepath).open("r") as fp:
before = yaml.safe_load(fp)
except FileNotFoundError:
before: dict[str, Any] = {}
return State(
module=module,
result=Result(),
compose_filepath=compose_filepath,
before=before,
after={
"name": module.params["name"],
"services": {},
"networks": {},
"volumes": {},
},
)
def update_project(state: State) -> State:
"""Ensure that networks/volumes that exist in services also exist in the project."""
project = copy.deepcopy(state.after)
project_services: dict[str, Any] = project.get("services", {})
project_networks: dict[str, Any] = project.get("networks", {})
project_volumes: dict[str, Any] = project.get("volumes", {})
for project_service in [x for x in project_services.values() if x]:
if service_volumes := project_service.get("volumes"):
service_volume_names = [x["source"] for x in service_volumes]
project_volumes.update(
{
service_volume_name: None
for service_volume_name in service_volume_names
if service_volume_name not in project_volumes
},
)
if service_network_names := project_service.get("networks", {}).keys():
project_networks.update(
{
service_network_name: None
for service_network_name in service_network_names
if service_network_name not in project_networks
},
)
return replace(state, after=project)
def write_compose(state: State) -> State:
file = state.compose_filepath
with Path(file).open(mode="w") as stream:
yaml.dump(state.after, stream)
return state