Merge pull request 'feat: reload' (#32) from reload into develop

Reviewed-on: https://hattori.ztsh.eu/iac/karl/pulls/32

.gitignore

@@ -14,6 +14,6 @@ uv.lock
 **/*.kdbx*
 .compose_repository
 
-__pycache__/
+deployment/
 **/dist/
 **/*.log

src/karl/api/v1.py

@@ -8,8 +8,7 @@ from starlette.responses import JSONResponse, Response
 
 from karl.api.models import Request
 from karl.core.injects import AutowireSupport
-from karl.core.woodpecker import Woodpecker
-from karl.model.webhook import WoodpeckerEvent
+from karl.model.webhook import WoodpeckerEvent, ReloadEvent
 
 router = APIRouter()
 logger = logging.getLogger(__name__)
@@ -21,7 +20,6 @@ async def root():
 
 @cbv(router)
 class APIv1:
-  woodpecker: Woodpecker = Depends(AutowireSupport.woodpecker)
   bus: EventBus = Depends(AutowireSupport.bus)
 
   def __init__(self):
@@ -39,3 +37,10 @@ class APIv1:
   async def ci(self, request: Request):
     await self.bus.dispatch(mapper.map(request))
     return Response(status_code=201)
+
+  @router.get("/reload", summary="Manual service reload")
+  async def reload(self, service: str = None) -> Response:
+    if service is None:
+      return Response(status_code=400)
+    await self.bus.dispatch(ReloadEvent(service=service))
+    return Response(status_code=201)

src/karl/config/settings.py

@@ -51,4 +51,8 @@ class Settings(BaseSettings):
 
 @lru_cache
 def get_settings() -> Settings:
-  return Settings.from_yaml()
+  paths = ['deployment/config.yaml', 'config/config.yaml']
+  for path in paths:
+    if Path(path).exists():
+      return Settings.from_yaml(path)
+  raise Exception("Config file not found")

src/karl/core/injects.py

@@ -1,6 +1,7 @@
 from bubus import EventBus
 from injectable import inject
 
+from karl.core.reload import ReloadService
 from karl.core.woodpecker import Woodpecker
 
 
@@ -10,6 +11,10 @@ class AutowireSupport:
   def woodpecker():
     return inject(Woodpecker)
 
+  @staticmethod
+  def reload():
+    return inject(ReloadService)
+
   @staticmethod
   def bus():
     return inject(EventBus)

src/karl/core/reload.py

@@ -0,0 +1,34 @@
+import logging
+from datetime import datetime
+from typing import Annotated
+
+from bubus import EventBus
+from injectable import injectable, autowired, Autowired
+
+from model.webhook import ReloadEvent, WoodpeckerEvent
+from services import GitService
+
+logger = logging.getLogger(__name__)
+
+
+@injectable(singleton=True)
+class ReloadService:
+
+  @autowired
+  def __init__(self, bus: Annotated[EventBus, Autowired]):
+    self._bus = bus
+    self._git = GitService()
+    bus.on(ReloadEvent, self.on_reload)
+    logger.info("ReloadService initialized.")
+
+  async def on_reload(self, event: ReloadEvent):
+    logger.info(f"Received ReloadEvent: {event.service}")
+    head = self._git.get_head()
+    await self._bus.dispatch(WoodpeckerEvent(
+      _id=-1,
+      commit=head.sha,
+      ref=head.branch,
+      message=f"Manual reload of {event.service}",
+      started=int(datetime.now().timestamp()),
+      files=[f"compose/{event.service}/docker-compose.yml"]
+    ))

src/karl/main.py

@@ -3,6 +3,7 @@ import logging
 from fastapi import FastAPI
 from injectable import load_injection_container
 
+from core.injects import AutowireSupport
 from karl.config import get_settings
 from karl.util.logging import HandlerFactory
 
@@ -15,7 +16,7 @@ class KarlApplication:
     _app = FastAPI(title="Karl", version="0.1.0")
     self._set_middlewares(_app)
     self._set_routes(_app)
-    self._set_events(_app)
+    self._init_services(_app)
 
     self._app = _app
 
@@ -55,8 +56,9 @@ class KarlApplication:
     app.include_router(api_v1_router, prefix="/api/v1", tags=["v1"])
     pass
 
-  def _set_events(self, app: FastAPI):
-    pass
+  def _init_services(self, app: FastAPI):
+    AutowireSupport.reload()
+    AutowireSupport.woodpecker()
 
 
 def run():

src/karl/model/vcs.py

@@ -0,0 +1,7 @@
+from dataclasses import dataclass
+
+
+@dataclass
+class Head:
+  sha: str
+  branch: str

src/karl/model/webhook.py

@@ -10,3 +10,6 @@ class WoodpeckerEvent(BaseEvent):
   message: str
   started: int
   files: List[str]
+
+class ReloadEvent(BaseEvent):
+  service: str

src/karl/services/vcs.py

@@ -2,6 +2,7 @@ from git import Repo, Remote
 from injectable import injectable
 
 from karl.config import GitConfig, get_settings
+from model.vcs import Head
 
 
 @injectable(singleton=True)
@@ -27,3 +28,11 @@ class GitService:
   def checkout(self, sha: str):
     self._origin.fetch()
     self._repo.git.checkout(sha)
+
+  def get_head(self) -> Head:
+    if self._repo.head.is_detached:
+      return Head(self._repo.head.object.hexsha, "detached")
+    return Head(
+      self._repo.active_branch.commit.hexsha,
+      self._repo.active_branch.name
+    )