Support configurable render timeout

docker-compose.yml

@@ -106,6 +106,7 @@ export-worker:
     AWS_SECRET_ACCESS_KEY: "${AWS_SECRET_ACCESS_KEY}"
     AWS_S3_HOST: "${AWS_S3_HOST}"
     BUCKET_NAME: "osm2vectortiles-testing"
+    RENDER_TIMEOUT: "1200"
 export:
   image: "osm2vectortiles/export"
   command: ./export-local.sh

src/export/export_remote.py

@@ -165,7 +165,9 @@ def handle_message(tm2source, bucket, s3_url, body):
     else:
         raise ValueError("Message must be either of type pyramid or list")
 
-    _, render_time = timing(subprocess.check_call, tilelive_cmd, timeout=5*60)
+    render_timeout = int(os.getenv('RENDER_TIMEOUT', 5 * 60))
+    _, render_time = timing(subprocess.check_call, tilelive_cmd,
+                            timeout=render_timeout)
     print('Render MBTiles: {}'.format(naturaltime(render_time)))
 
     _, optimize_time = timing(optimize_mbtiles, mbtiles_file)