bitbake: hashserv: Add SQLalchemy backend

Adds an SQLAlchemy backend to the server. While this database backend is
slower than the more direct sqlite backend, it easily supports just
about any SQL server, which is useful for large scale deployments.

(Bitbake rev: e0b73466dd7478c77c82f46879246c1b68b228c0)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/hashserv/__init__.py

@@ -35,15 +35,32 @@ def parse_address(addr):
         return (ADDR_TYPE_TCP, (host, int(port)))
 
 
-def create_server(addr, dbname, *, sync=True, upstream=None, read_only=False):
+def create_server(
+    addr,
+    dbname,
+    *,
+    sync=True,
+    upstream=None,
+    read_only=False,
+    db_username=None,
+    db_password=None
+):
     def sqlite_engine():
         from .sqlite import DatabaseEngine
 
         return DatabaseEngine(dbname, sync)
 
+    def sqlalchemy_engine():
+        from .sqlalchemy import DatabaseEngine
+
+        return DatabaseEngine(dbname, db_username, db_password)
+
     from . import server
 
-    db_engine = sqlite_engine()
+    if "://" in dbname:
+        db_engine = sqlalchemy_engine()
+    else:
+        db_engine = sqlite_engine()
 
     s = server.Server(db_engine, upstream=upstream, read_only=read_only)