variable "datadog_api_key" {}
variable "datadog_app_key" {}

terraform {
  backend "s3" {
    bucket  = "masterson-terraform"
    key     = "terraform.tfstate"
    region  = "ap-southeast-1"
  }
}

provider "datadog" {
  api_key = "${var.datadog_api_key}"
  app_key = "${var.datadog_app_key}"
}

# Create a new Datadog timeboard
resource "datadog_timeboard" "aws-rds-dashboard" {
  title       = "RDS Dashboard"
  description = "RDS Dashboard by Terraform"
  read_only   = true

  graph {
    title = "CPUUtilization"
    viz   = "timeseries"
    request {
      q    = "avg:aws.rds.cpuutilization{*} by {dbinstanceidentifier}.rollup(avg, 3600)"
      type = "line"
    }
  }
  graph {
    title = "DatabaseConnections"
    viz   = "timeseries"
    request {
      q    = "avg:aws.rds.database_connections{*} by {dbinstanceidentifier}.rollup(avg, 3600)"
      type = "line"
    }
  }
}

resource "datadog_timeboard" "aws-ec2-dashboard" {
  title       = "EC2 Dashboard"
  description = "EC2 Dashboard by Terraform"
  read_only   = true

  graph {
    title = "CPUUtilization"
    viz   = "timeseries"
    request {
      q    = "avg:aws.ec2.cpuutilization{*} by {host}.rollup(avg, 3600)"
      type = "line"
    }
  }
  graph {
    title = "DiskIO"
    viz   = "timeseries"
    request {
      q    = "avg:aws.ebs.volume_read_ops{*} by {host,device}.rollup(avg, 3600)"
      type = "line"
    }
    request {
      q    = "avg:aws.ebs.volume_write_ops{*} by {host,device}.rollup(avg, 3600)"
      type = "line"
    }
  }
  graph {
    title = "NetworkIO"
    viz   = "timeseries"
    request {
      q    = "avg:aws.ec2.network_in{*} by {host}.rollup(avg, 3600)"
      type = "line"
    }
    request {
      q    = "avg:aws.ec2.network_out{*} by {host}.rollup(avg, 3600)"
      type = "line"
    }
  }
}
resource "datadog_monitor" "Cloudwatch_RDS_CPU_High" {
  name = "Common: RDS CPU High"
  type = "metric alert"
  query = "avg(last_15m):avg:aws.rds.cpuutilization{*} by {host} > 90"
  message = "@webhook-apigw"
  escalation_message = "@webhook-apigw"
  new_host_delay = "900"
  renotify_interval = "600"
  timeout_h = "24"
  notify_no_data = "false"
  require_full_window = "true"
  thresholds {
    warning = 70
    critical = 90
  }
}