Replace deprecated cloudwatch monitoring script usage with Cloudwatch…

… agent

.ebextensions/cloudwatch.config

@@ -1,27 +1,42 @@
-# TODO: replace CloudWatchMonitoringScripts (deprecated) with CloudwatchAgent
-packages:
-  yum:
-    perl-DateTime: []
-    perl-Sys-Syslog: []
-    perl-LWP-Protocol-https: []
-    perl-Switch: []
-    perl-URI: []
-    perl-Digest-SHA.x86_64: []
-
-sources:
-  /opt/cloudwatch: http://aws-cloudwatch.s3.amazonaws.com/downloads/CloudWatchMonitoringScripts-1.2.2.zip
-
+files:
+  "/opt/aws/amazon-cloudwatch-agent/bin/config.json":
+    mode: "000600"
+    owner: root
+    group: root
+    content: |
+      {
+        "agent": {
+          "metrics_collection_interval": 60,
+          "run_as_user": "root"
+        },
+        "metrics": {
+          "namespace": "wb-names/AppServer",
+          "append_dimensions": {
+            "AutoScalingGroupName": "${aws:AutoScalingGroupName}",
+            "InstanceId": "${aws:InstanceId}",
+            "InstanceType": "${aws:InstanceType}"
+          },
+          "metrics_collected": {
+            "disk": {
+              "resources": [
+                "/"
+              ],
+              "measurement": [
+                "free",
+                "used",
+                "used_percent"
+              ]
+            },
+            "mem": {
+              "measurement": [
+                "available",
+                "used",
+                "used_percent"
+              ]
+            }
+          }
+        }
+      }
 container_commands:
-  01-setupcron:
-    command: |
-      echo '*/5 * * * * root perl /opt/cloudwatch/aws-scripts-mon/mon-put-instance-data.pl `{"Fn::GetOptionSetting" : { "OptionName" : "CloudWatchMetrics", "DefaultValue" : "--mem-util --disk-space-util --disk-path=/" }}` >> /var/log/cwpump.log 2>&1' > /etc/cron.d/cwpump
-  02-changeperm:
-    command: chmod 644 /etc/cron.d/cwpump
-  03-changeperm:
-    command: chmod u+x /opt/cloudwatch/aws-scripts-mon/mon-put-instance-data.pl
-
-option_settings:
-  # "aws:autoscaling:launchconfiguration" :
-  #   IamInstanceProfile : "aws-elasticbeanstalk-ec2-role"
-  "aws:elasticbeanstalk:customoption" :
-    CloudWatchMetrics : "--mem-util --mem-used --mem-avail --disk-space-util --disk-space-used --disk-space-avail --disk-path=/ --auto-scaling"
+  start_cloudwatch_agent:
+    command: /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -a fetch-config -m ec2 -s -c file:/opt/aws/amazon-cloudwatch-agent/bin/config.json