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-rw-r--r--api.py8
-rw-r--r--database.py15
2 files changed, 20 insertions, 3 deletions
diff --git a/api.py b/api.py
index c5b220a..cf692c3 100644
--- a/api.py
+++ b/api.py
@@ -86,7 +86,13 @@ async def api_status(_):
loop = asyncio.get_event_loop()
-loop.run_until_complete(db.connect("postgres://vgstats@postgres/vgstats"))
+loop.run_until_complete(db.connect(
+ host=os.environ["POSTGRESQL_HOST"],
+ port=os.environ["POSTGRESQL_PORT"],
+ user=os.environ["POSTGRESQL_USER"],
+ password=os.environ["POSTGRESQL_PASSWORD"],
+ database=os.environ["POSTGRESQL_DB"]
+))
loop.run_until_complete(queries.load_queries("/apps/api/queries"))
loop.create_task(recrawl())
app = aiohttp.web.Application(loop=loop)
diff --git a/database.py b/database.py
index 0679a52..45467f6 100644
--- a/database.py
+++ b/database.py
@@ -10,13 +10,24 @@ class Database(object):
def __init__(self):
self._pool = None
- async def connect(self, connstring):
+ async def connect(self, host, port, user, password, database):
"""Connects to the database.
:param connstring: Connection string containing user and database.
:type connstring: str
"""
- self._pool = await asyncpg.create_pool(connstring)
+ while True: # retry until connection succeeds
+ try:
+ print("attempting to connect to db…")
+ self._pool = await asyncpg.create_pool(
+ host=host, port=port, user=user,
+ password=password, database=database)
+ break
+ except asyncpg.exceptions.CannotConnectNowError:
+ await self._pool.close()
+ print("Database is not ready yet. Retrying…")
+ await asyncio.sleep(5)
+
async def upsert_type(self, obj, objtype, many=False):
"""Upserts an object of given `objtype` into the corresponding database.