mirrors: deprecate orphaned proxies

fixes #5

app/terraform/proxy/__init__.py

@@ -41,6 +41,17 @@ class ProxyAutomation(BaseAutomation):
                 db.session.add(proxy)
                 db.session.commit()
 
+    def deprecate_orphaned_proxies(self):
+        proxies = Proxy.query.filter(
+            Proxy.destroyed == None,
+            Proxy.provider == self.provider,
+            Proxy.deprecated == None
+        ).all()
+        for proxy in proxies:
+            if proxy.origin.destroyed is not None:
+                proxy.deprecate(reason="origin_destroyed")
+        db.session.commit()
+
     def destroy_expired_proxies(self):
         cutoff = datetime.datetime.utcnow() - datetime.timedelta(days=3)
         proxies = Proxy.query.filter(
@@ -53,6 +64,11 @@ class ProxyAutomation(BaseAutomation):
             proxy.updated = datetime.datetime.utcnow()
         db.session.commit()
 
+    def pre_housekeeping(self):
+        self.create_missing_proxies()
+        self.deprecate_orphaned_proxies()
+        self.destroy_expired_proxies()
+
     def generate_terraform(self):
         self.write_terraform_config(
             self.template,