feat(bridges): next generation bridge management

app/terraform/bridge/__init__.py

@@ -1,6 +1,7 @@
 import datetime
 import os
-from typing import Iterable, Optional, Any, List
+import sys
+from typing import Optional, Any, List
 
 from app import app
 from app.extensions import db
@@ -21,45 +22,12 @@ class BridgeAutomation(TerraformAutomation):
     in the templating of the Terraform configuration.
     """
 
-    def create_missing(self) -> None:
-        bridgeconfs: Iterable[BridgeConf] = BridgeConf.query.filter(
-            BridgeConf.provider == self.provider,
-            BridgeConf.destroyed.is_(None)
-        ).all()
-        for bridgeconf in bridgeconfs:
-            active_bridges = Bridge.query.filter(
-                Bridge.conf_id == bridgeconf.id,
-                Bridge.deprecated.is_(None)
-            ).all()
-            if len(active_bridges) < bridgeconf.number:
-                for _idx in range(bridgeconf.number - len(active_bridges)):
-                    bridge = Bridge()
-                    bridge.conf_id = bridgeconf.id
-                    bridge.added = datetime.datetime.utcnow()
-                    bridge.updated = datetime.datetime.utcnow()
-                    db.session.add(bridge)
-            elif len(active_bridges) > bridgeconf.number:
-                active_bridge_count = len(active_bridges)
-                for bridge in active_bridges:
-                    bridge.deprecate(reason="redundant")
-                    active_bridge_count -= 1
-                    if active_bridge_count == bridgeconf.number:
-                        break
-        db.session.commit()
+    max_bridges = sys.maxsize
 
-    def destroy_expired(self) -> None:
-        cutoff = datetime.datetime.utcnow() - datetime.timedelta(days=0)
-        bridges = [b for b in Bridge.query.filter(
-            Bridge.destroyed.is_(None),
-            Bridge.deprecated < cutoff
-        ).all() if b.conf.provider == self.provider]
-        for bridge in bridges:
-            bridge.destroy()
-        db.session.commit()
+    # TODO: Only enable providers that have details configured
+    enabled = True
 
     def tf_prehook(self) -> Optional[Any]:  # pylint: disable=useless-return
-        self.create_missing()
-        self.destroy_expired()
         return None
 
     def tf_generate(self) -> None:
@@ -103,3 +71,11 @@ class BridgeAutomation(TerraformAutomation):
                 bridge.bridgeline = " ".join(parts)
                 bridge.terraform_updated = datetime.datetime.utcnow()
         db.session.commit()
+
+    @classmethod
+    def active_bridges_count(self) -> int:
+        active_bridges = Bridge.query.filter(
+            Bridge.provider == self.provider,
+            Bridge.destroyed.is_(None),
+        ).all()
+        return len(active_bridges)