begin-terraform-cloudwatch.md

http://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CW_Support_For_AWS.html

Dimensions and Metrics

• Auto Scaling
  • GroupMinSize
  • GroupMaxSize
  • GroupDesiredCapitity
  • GroupInServiceInstances
  • GroupPendingInstances
  • GroupStandbyInstances
  • GroupTerminatingInstances
  • GroupTotalInstances
• CW Logs
  • IncomingLogEvents
  • ForwardedLogEvents
  • DeliveryErrors
  • DeliveryThrottling
• EBS
  • Volume Read/Write Bytes
  • Volume Read/Write Ops
  • VolumeTotal Read/Write Time
  • VolumeIdleTime
  • VolumeQueueLength
  • VolumeThroughputPercentage
  • VolumeConsumedReadWriteOps
• EC2
  • CPUUtilization
  • Disk Read/Write Ops
  • Disk Read/Write Bytes
  • Network In/Out
  • StatusCheckFailed
  • StatusCheckFailed_Instance
  • StatusCheckFailed_System
• ELB
  • BackendConnectionErrors
  • HealthyHostCount
  • UnHealthyHostCount
  • HTTPCode_Backend_4XX
  • HTTPCode_Backend_5XX
  • HTTPCode_ELB_4XX
  • HTTPCode_ELB_5XX
  • Latency
  • RequestCount
  • SpilloverCount
  • SurgeQueueLength
• Route53
  • ConnectionTime
  • HealthCheckPercentageHealthy
  • HealthCheckStatus
  • HealthCheckStatus
  • SSLHandshakeTime
  • TimeToFirstByte
• SNS
  • NumberOfMessagesPublished
  • NumberOfNotificationsDelivered
  • NumberOfNotificationsFailed
  • SMSSuccessRate
• S3
  • BucketSizeBytes
  • NumberOfObjects

cloudwatch_alarms.tf

# Courtesy of Marshall

# http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/elb-cloudwatch-metrics.html
resource "aws_cloudwatch_metric_alarm" "elb_healthy_host_count" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-healthy-host-count"
  comparison_operator       = "LessThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "HealthyHostCount"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Sum"
  threshold                 = 3
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_unhealthy_host_count" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-unhealthy-host-count"
  comparison_operator       = "GreaterThanThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "UnHealthyHostCount"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Maximum"
  threshold                 = 0
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_latency_avg" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-latency-avg"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "Latency"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Average"
  threshold                 = 0.01
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_latency_max" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-latency-max"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
 insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "Latency"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Maximum"
  threshold                 = 0.02
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_spillover_queue" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-spiilover-queue"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "SpilloverCount"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Sum"
  threshold                 = 1
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_http_code_elb_4xx" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-http-code-elb-4xx"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "HTTPCode_ELB_4XX"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Sum"
  threshold                 = 1
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_http_code_elb_5xx" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-http-code-elb-5xx"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "HTTPCode_ELB_5XX"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Sum"
  threshold                 = 1
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_http_code_backend_3xx" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-http-code-backend-3xx"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "HTTPCode_Backend_3XX"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Sum"
  threshold                 = 1
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_http_code_backend_4xx" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-http-code-backend-4xx"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "HTTPCode_ELB_4XX"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Sum"
  threshold                 = 1
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_http_code_backend_5xx" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-http-code-backend-5xx"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "HTTPCode_ELB_5XX"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Sum"
  threshold                 = 1
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}
 
resource "aws_cloudwatch_metric_alarm" "elb_backend_connection_errors" {
  actions_enabled           = true
  alarm_name                = "chamber-of-secrets-dev-backend-connection-errors"
  comparison_operator       = "GreaterThanOrEqualToThreshold"
  evaluation_periods        = 1
  insufficient_data_actions = ["${compact(split(",", var.cw_alarm_actions))}"]
  metric_name               = "BackendConnectionErrors"
  namespace                 = "AWS/ELB"
  ok_actions                = ["${compact(split(",", var.cw_alarm_actions))}"]
  period                    = 300
  statistic                 = "Sum"
  threshold                 = 1
  unit                      = ""
 
  dimensions {
    LoadBalancerName = "${aws_elb.consul.name}"
  }
 
  lifecycle {
    create_before_destroy = true
  }
}