Move ingress handling to a resource processor

CHANGELOG.md

@@ -67,7 +67,10 @@ Please see the [Envoy documentation](https://www.envoyproxy.io/docs/envoy/latest
 
 ## Next Release
 
+### Ambasssador API Gateway + Ambassador Edge Stack
+
 - Bugfix: Fix an issue that caused Dev Portal to sporadically respond with upstream connect timeout when loading content
+- Bugfix: Prevent potential reconcile loop when updating the status of an Ingress.
 
 ## [1.11.1] February 04, 2021
 [1.11.1]: https://github.com/datawire/ambassador/compare/v1.11.0...v1.11.1

python/ambassador/config/config.py

@@ -148,8 +148,6 @@ def __init__(self, schema_dir_path: Optional[str]=None) -> None:
 
         self.logger.debug("SCHEMA DIR    %s" % os.path.abspath(self.schema_dir_path))
         self.k8s_status_updates: Dict[str, Tuple[str, str, Optional[Dict[str, Any]]]] = {}  # Tuple is (name, namespace, status_json)
-        self.k8s_ingresses: Dict[str, Any] = {}
-        self.k8s_ingress_classes: Dict[str, Any] = {}
         self.pod_labels: Dict[str, str] = {}
         self._reset()
 

python/ambassador/fetch/dependency.py

@@ -42,6 +42,21 @@ def watt_key(self) -> str:
         return 'secret'
 
 
+class IngressClassesDependency (Dependency):
+    """
+    A dependency that provides the list of ingress classes that are valid (i.e.,
+    have the proper controller) for this cluster.
+    """
+
+    ingress_classes: MutableSet[str]
+
+    def __init__(self):
+        self.ingress_classes = set()
+
+    def watt_key(self) -> str:
+        return 'ingressclasses'
+
+
 D = TypeVar('D', bound=Dependency)