Add AWS memory monitoring

Author: deyvidnenchev

.ebextensions/cloudwatch.config

@@ -0,0 +1,58 @@
+# https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-cw.html
+
+files:  
+  "/opt/aws/amazon-cloudwatch-agent/bin/config.json": 
+    mode: "000600"
+    owner: root
+    group: root
+    content: |
+      {
+        "agent":{
+           "metrics_collection_interval":60,
+           "logfile":"/opt/aws/amazon-cloudwatch-agent/logs/amazon-cloudwatch-agent.log",
+           "run_as_user":"cwagent"
+        },
+        "metrics":{
+           "namespace":"CWAgent/AppBuilderData",
+           "append_dimensions":{
+              "InstanceId":"${aws:InstanceId}",
+              "InstanceType":"${aws:InstanceType}",
+              "AutoScalingGroupName":"${aws:AutoScalingGroupName}"
+           },
+           "aggregation_dimensions":[
+              [
+                 "AutoScalingGroupName", "InstanceId"
+              ],
+              [
+                 
+              ]
+           ],
+           "metrics_collected":{
+              "cpu":{
+                 "resources":[
+                    "*"
+                 ],
+                 "measurement":[
+                    "time_idle",
+                    "time_iowait",
+                    "time_system",
+                    "time_user",
+                    "usage_steal",
+                    "usage_system",
+                    "usage_user",
+                    "usage_iowait"
+                 ]
+              },
+              "mem":{
+                 "measurement":[
+                    "used_percent",
+                    "total",
+					"available_percent"
+                 ]
+              }
+           }
+        }
+      }  
+container_commands:
+  start_cloudwatch_agent: 
+    command: /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -a append-config -m ec2 -s -c file:/opt/aws/amazon-cloudwatch-agent/bin/config.json