cw_agent_config.json

{
  "agent": {
    "metrics_collection_interval": 10
  },
  "metrics": {
    "metrics_collected": {
      "disk": {
        "resources": ["/", "/tmp"],
        "measurement": ["disk_used_percent"],
        "ignore_file_system_types": ["sysfs", "devtmpfs"]
      },
      "mem": {
        "measurement": ["mem_available_percent"]
      }
    },
    "aggregation_dimensions": [["InstanceId", "InstanceType"], ["InstanceId"]]
  },
  "logs": {
    "logs_collected": {
      "files": {
        "collect_list": [
          {
            "file_path": "/var/log/syslog",
            "log_group_name": "/aws/ec2/syslog",
            "log_stream_name": "{instance_id}-syslog",
            "timestamp_format": "%b %d %H:%M:%S"
          },
          {
            "file_path": "/var/log/auth.log",
            "log_group_name": "/aws/ec2/auth",
            "log_stream_name": "{instance_id}-auth",
            "timestamp_format": "%b %d %H:%M:%S"
          }
        ]
      }
    }
  }
}