WoodpeckerRunner & some VCS changes

app/core/woodpecker.py

@@ -12,23 +12,50 @@ logger = logging.getLogger(__name__)
 
 
 class WoodpeckerRunner(Process):
-  def __init__(self, event: WoodpeckerEvent):
-    super().__init__()
+  def __init__(self, git: GitService, docker: DockerService, success_callback=None, error_callback=None):
+    super().__init__(daemon=True)
+    self._git = git
+    self._docker = docker
+    self._success_callback = success_callback
+    self._error_callback = error_callback
+    self._event: WoodpeckerEvent | None = None
+
+  def process_event(self, event: WoodpeckerEvent):
     self._event = event
+    self.start()
 
   def run(self):
-    super().run()
-    """
-      event: WebhookEvent = task.payload
-      # TODO: persist event data
-      commit_hash = self._git.get_new_commit_hash()
-      if commit_hash != event.commit:
-        logger.warning(f"Commit hash mismatch: {commit_hash} != {event.commit}")
-        return Result(task.id, False, "Commit hash mismatch")
-      # TODO: persist commit data
-      service = self._get_service(event.files)
+    try:
+      service = self.get_service(self._event.files)
+      if service is None:
+        logger.info("No service found.")
+        return self._success_callback()
 
-    """
+      self._git.checkout(self._event.commit)
+      """
+      TODO:
+      check for *.mo.* files
+      subs mo from pass
+      docker compose up -d -f service/docker-compose.yml
+      """
+
+      return self._success_callback()
+    except Exception as e:
+      return self._error_callback(e)
+
+  def get_service(self, files: list[str]) -> str | None:
+    supported_files = []
+    for f in files:
+      f_parts = f.split("/")
+      if f_parts[0] in ["compose", "files"]:
+        supported_files.append(f[1])
+    match len(set(supported_files)):
+      case 0:
+        return None
+      case 1:
+        return supported_files[0]
+      case _:
+        raise Exception("Multiple services are not supported.")
 
 
 @injectable(singleton=True)
@@ -52,7 +79,9 @@ class Woodpecker:
       self._start_runner(event)
 
   def _start_runner(self, event: WoodpeckerEvent):
-    pass
+    with self._lock:
+      self._runner = WoodpeckerRunner(self._git, self._docker, self._on_runner_completed)
+      self._runner.process_event(event)
 
   def _on_runner_completed(self):
     logger.info("Runner completed.")
@@ -62,3 +91,12 @@ class Woodpecker:
       if len(self._pending) > 0:
         event = self._pending.popleft()
         self._start_runner(event)
+
+  def _on_runner_error(self, t: Exception):
+    logger.error(f"Runner error: {t}", exc_info=True)
+    self._runner.join()
+    with self._lock:
+      self._runner = None
+      if len(self._pending) > 0:
+        event = self._pending.popleft()
+        self._start_runner(event)

app/services/vcs.py

@@ -13,14 +13,6 @@ class GitService:
       self._repo.git.checkout(self._settings.git.branch)
     self._origin: Remote = self._repo.remotes.origin
 
-  def get_modified_compose(self) -> str | None:
-    self._update()
-    return self._diff()
-
-  def get_new_commit_hash(self) -> str:
-    self._update()
-    return self._repo.head.commit.hexsha
-
   @staticmethod
   def _check_preconditions(config: GitConfig) -> Repo:
     def clone():
@@ -34,16 +26,5 @@ class GitService:
       return clone()
     return Repo(config.path)
 
-  def _update(self):
-    self._origin.pull()
-
-  def _diff(self) -> str | None:
-    diff = self._repo.head.commit.diff("HEAD~1")
-    composes = [f for f in diff if f.a_path.endswith("docker-compose.yml")]
-    match len(composes):
-      case 0:
-        return None
-      case 1:
-        return composes[0].a_path
-      case _:
-        raise Exception("Multiple compose files modified")
+  def checkout(self, sha: str):
+    pass