CloudWatch Agent Installation and config

steps.txt

# Download RPM from S3
wget https://s3.amazonaws.com/amazoncloudwatch-agent/amazon_linux/amd64/latest/amazon-cloudwatch-agent.rpm

# Install package
sudo rpm -U ./amazon-cloudwatch-agent.rpm

# Launch Wizard to generate configuration file
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-config-wizard

# Edit config
sudo vim /opt/aws/amazon-cloudwatch-agent/bin/config.json

# Start agent
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -a fetch-config -m ec2 -c file:/opt/aws/amazon-cloudwatch-agent/bin/config.json -s

# Sample config file
{
	"agent": {
		"metrics_collection_interval": 30,
		"run_as_user": "ec2-user"
	},
	"metrics": {
		"append_dimensions": {
			"AutoScalingGroupName": "${aws:AutoScalingGroupName}",
			"ImageId": "${aws:ImageId}",
			"InstanceId": "${aws:InstanceId}",
			"InstanceType": "${aws:InstanceType}"
		},
		"metrics_collected": {
			"disk": {
				"measurement": [
					"used_percent"
				],
				"metrics_collection_interval": 30,
				"resources": [
					"*"
				]
			},
			"mem": {
				"measurement": [
					"mem_used_percent"
				],
				"metrics_collection_interval": 30
			}
		}
	}
}