Serverless scaling and work to authorizer

infrastructure/cloudformation/dt/top.yaml

@@ -101,7 +101,7 @@ Resources:
       TemplateURL: !Sub 'https://s3.${AWS::Region}.amazonaws.com/sumu-stacks/dt/${release}/cloudformation/dt/cloudwatch.yaml'
       Parameters:
         environment: !Ref environment
-        Cluster: !GetAtt EcsCluster.Outputs.Cluster
+        Cluster: !GetAtt EcsCluster.Outputs.ClusterArn
         LambdaArn: !GetAtt LambdaFunctions.Outputs.TaskListManager
 
   #---------

infrastructure/lambda/task_queue_manager/lambda_function.py

@@ -1,4 +1,15 @@
-import json
+import redis
+import json, os
 
 def lambda_handler(event, context):
-    print(json.dumps(event))
+    r = redis.Redis(host=os.environ['REDIS_HOST'], port=6379, db=0)
+
+    if event["detail"]["group"] == "service:" + os.environ["ECS_SERVICE"]:
+        desired = event["detail"]["desiredStatus"]
+        last = event["detail"]["lastStatus"]
+        if desired == "RUNNING" and desired == last:
+            print("Added task: " + event["detail"]["taskArn"])
+            r.lpush("tasks", event["detail"]["taskArn"])
+        elif desired == "STOPPED" or last == "STOPPED":
+            r.lrem("tasks", event["detail"]["taskArn"], 1)
+            print("Removed task: " + event["detail"]["taskArn"], 1)

infrastructure/lambda/task_queue_manager/requirements.txt

@@ -0,0 +1 @@
+redis