Monitoring EC2 Instnaces

Terraform module that provision EC2 instances (monitored) with node exporter to export metrics to Promehteus server (monitor)

Prometheus EC2 Service Discovery

To allow Prometheus Services discovery scrap metrics over monitored instances we need to attached a role with the necesary permissions

ec2-monitor.tf

  assume_role_policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Action": "sts:AssumeRole",
      "Principal": {
        "Service": "ec2.amazonaws.com"
      },
      "Effect": "Allow",
      "Sid": ""
    }
  ]
}
EOF

Dashboard example

We uses https://grafana.com/grafana/dashboards/11074