Add support for ingresses to be predeployed

lib/krane/cluster_resource_discovery.rb

@@ -39,6 +39,13 @@ def jobs
       end
     end
 
+    def ingresses
+      @ingresses ||= fetch_ingresses.map do |ingress|
+        Ingress.new(namespace: namespace, context: context, logger: logger,
+          definition: ingress, statsd_tags: @namespace_tags)
+      end
+    end
+
     def prunable_resources(namespaced:)
       black_list = %w(Namespace Node ControllerRevision Event)
       fetch_resources(namespaced: namespaced).map do |resource|
@@ -149,6 +156,16 @@ def fetch_jobs
       end
     end
 
+    def fetch_ingresses
+      raw_json, err, st = kubectl.run("get", "Ingress", output: "json", attempts: 5,
+        use_namespace: false)
+      if st.success?
+        MultiJson.load(raw_json)["items"]
+      else
+        raise FatalKubeAPIError, "Error retrieving Ingress: #{err}"
+      end
+    end
+
     def kubectl
       @kubectl ||= Kubectl.new(task_config: @task_config, log_failure_by_default: true)
     end

lib/krane/deploy_task.rb

@@ -72,6 +72,7 @@ def predeploy_sequence
       after_crs = %w(
         Deployment
         Service
+        Ingress
         Pod
         Job
       ).map { |r| [r, default_group] }

lib/krane/kubernetes_resource/ingress.rb

@@ -14,5 +14,13 @@ def deploy_succeeded?
     def deploy_failed?
       false
     end
+
+    def predeployed?
+      krane_annotation_value("predeployed") == "true"
+    end
+
+    def kind
+      @definition["kind"]
+    end
   end
 end