Add /livez endpoint (#24)

* Bump version in uv.lock

Signed-off-by: Lukas Puehringer <lukas.puehringer@eclipse-foundation.org>

* Add /livez endpoint

Add endpoint for kubernetes liveness probe, following kubernetes naming
and implementation common practice.

Note that PIA is ready as soon as it is live, this means that there is
currently no need for a dedicated /readyz endpoint.

Fixes #18

Signed-off-by: Lukas Puehringer <lukas.puehringer@eclipse-foundation.org>

---------

Signed-off-by: Lukas Puehringer <lukas.puehringer@eclipse-foundation.org>

Author: lukpueh

pia/main.py

@@ -55,6 +55,12 @@ def _401(msg: str) -> NoReturn:
     )
 
 
+@app.get("/livez")
+async def livez():
+    """Kubernetes liveness probe."""
+    return {"status": "ok"}
+
+
 @app.post("/v1/upload/sbom", status_code=status.HTTP_200_OK)
 async def upload_sbom(
     payload: PiaUploadPayload,

tests/test_main.py

@@ -228,3 +228,12 @@ def test_upload_dt_error(
 
         assert response.status_code == 502
         assert b"Failed to upload to DependencyTrack" in response.content
+
+
+class TestHealthEndpoints:
+    """Tests for k8s health endpoints."""
+
+    def test_liveness(self, client):
+        response = client.get("/livez")
+        assert response.status_code == 200
+        assert response.json() == {"status": "ok"}