Difference between revisions of "Terraform resource: aws cloudwatch metric alarm"

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== ChatGPT examples (01/2023) ==
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resource "aws_cloudwatch_metric_alarm" "elb_5xx_error_rate" {
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  alarm_name                = "elb_5xx_error_rate"
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  comparison_operator      = "GreaterThanThreshold"
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  evaluation_periods        = "5"
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  [[metric_name]]              = "[[HTTPCode_Backend_5XX]]"
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  namespace                = "AWS/ApplicationELB"
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  period                    = "60"
 +
  statistic                = "SampleCount"
 +
  threshold                = "1"
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  alarm_description        = "This alarm will notify when the 5XX error rate is greater than 1% for 5 consecutive minutes"
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  alarm_actions            = [aws_sns_topic.example.arn]
 +
  dimensions = {
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    LoadBalancer = aws_elbv2_load_balancer.example.name
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  }
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}
  
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resource "aws_cloudwatch_metric_alarm" "elb_response_time" {
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  alarm_name                = "elb_response_time"
 +
  comparison_operator      = "GreaterThanThreshold"
 +
  evaluation_periods        = "5"
 +
  metric_name              = "[[TargetResponseTime]]"
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  namespace                = "AWS/ApplicationELB"
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  period                    = "60"
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  statistic                = "[[Average]]"
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  threshold                = "2"
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  alarm_description        = "This alarm will notify when the average response time is greater than 2 seconds for 5 consecutive data points"
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  alarm_actions            = [aws_sns_topic.example.arn]
 +
  dimensions = {
 +
    LoadBalancer = aws_elbv2_load_balancer.example.name
 +
  }
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}
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 +
resource "aws_cloudwatch_metric_alarm" "elb_response_time" {
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  alarm_name                = "elb_response_time"
 +
  comparison_operator      = "GreaterThanThreshold"
 +
  evaluation_periods        = "5"
 +
  metric_name              = "[[TargetResponseTime]]"
 +
  namespace                = "AWS/ApplicationELB"
 +
  period                    = "60"
 +
  statistic                = "[[Maximum]]"
 +
  threshold                = "1"
 +
  alarm_description        = "This alarm will notify when the maximum response time is greater than 1 second for 5 consecutive data points"
 +
  alarm_actions            = [aws_sns_topic.example.arn]
 +
  dimensions = {
 +
    LoadBalancer = aws_elbv2_load_balancer.example.name
 +
  }
 +
}
 +
 +
resource "aws_cloudwatch_metric_alarm" "elb_response_time_90th_percentile" {
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  alarm_name                = "elb_response_time_90th_percentile"
 +
  comparison_operator      = "GreaterThanThreshold"
 +
  evaluation_periods        = "5"
 +
  metric_name              = "TargetResponseTime"
 +
  namespace                = "AWS/ApplicationELB"
 +
  period                    = "60"
 +
  statistic                = "p90"
 +
  threshold                = "1"
 +
  alarm_description        = "This alarm will notify when the 90th percentile of the response time is greater than 1 second for 5 consecutive data points"
 +
  [[alarm_actions]]            = [aws_sns_topic.example.arn]
 +
  dimensions = {
 +
    LoadBalancer = aws_elbv2_load_balancer.example.name
 +
  }
 +
}
 +
 +
resource "[[aws_sns_topic]]" "example" {
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  name = "example-topic"
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}
  
 
== Related ==
 
== Related ==

Revision as of 14:23, 31 January 2023


Examples

resource "aws_cloudwatch_metric_alarm" "db_cpu_utilization_too_high" {
  alarm_name          = format("%s-%s", lower("${var.rds_name}"), "db-highCPUUtilization")
  comparison_operator = "GreaterThanThreshold"
  evaluation_periods  = "5"
  metric_name         = "CPUUtilization"
  namespace           = "AWS/RDS"
  period              = "120"
  statistic           = "Average"
  threshold           = "80"
  alarm_description   = "Average database CPU utilization is too high."

  dimensions = {
    DBInstanceIdentifier = aws_db_instance.rds_instance.id
  }
}

resource "aws_cloudwatch_metric_alarm" "db_disk_queue_depth_too_high" {
  alarm_name          = format("%s-%s", lower("${var.rds_name}"), "db-highDiskQueueDepth")
  comparison_operator = "GreaterThanThreshold"
  evaluation_periods  = "2"
  metric_name         = "DiskQueueDepth"
  namespace           = "AWS/RDS"
  period              = "120"
  statistic           = "Average"
  threshold           = "10"
  alarm_description   = "Average database disk queue depth is too high, performance may be negatively impacted."

  dimensions = {
    DBInstanceIdentifier = aws_db_instance.rds_instance.id
  }
}

resource "aws_cloudwatch_metric_alarm" "db_disk_free_storage_space_too_low" {
  alarm_name          = format("%s-%s", lower("${var.rds_name}"), "db-lowFreeStorageSpace")
  comparison_operator = "LessThanThreshold"
  evaluation_periods  = "2"
  metric_name         = "FreeStorageSpace"
  namespace           = "AWS/RDS"
  period              = "120"
  statistic           = "Average"
  threshold           = "10"
  alarm_description   = "Average database free storage space is too low and may fill up soon."

  dimensions = {
    DBInstanceIdentifier = aws_db_instance.rds_instance.id
  }
}

resource "aws_cloudwatch_metric_alarm" "db_memory_freeable_too_low" {
  alarm_name          = format("%s-%s", lower("${var.rds_name}"), "db-lowFreeableMemory")
  comparison_operator = "LessThanThreshold"
  evaluation_periods  = "2"
  metric_name         = "FreeableMemory"
  namespace           = "AWS/RDS"
  period              = "120"
  statistic           = "Average"
  threshold           = "10"
  alarm_description   = "Average database freeable memory is too low, performance may be negatively impacted."

  dimensions = {
    DBInstanceIdentifier = aws_db_instance.rds_instance.id
  }
}


ChatGPT examples (01/2023)

resource "aws_cloudwatch_metric_alarm" "elb_5xx_error_rate" {
 alarm_name                = "elb_5xx_error_rate"
 comparison_operator       = "GreaterThanThreshold"
 evaluation_periods        = "5"
 metric_name               = "HTTPCode_Backend_5XX"
 namespace                 = "AWS/ApplicationELB"
 period                    = "60"
 statistic                 = "SampleCount"
 threshold                 = "1"
 alarm_description         = "This alarm will notify when the 5XX error rate is greater than 1% for 5 consecutive minutes"
 alarm_actions             = [aws_sns_topic.example.arn]
 dimensions = {
   LoadBalancer = aws_elbv2_load_balancer.example.name
 }
}

resource "aws_cloudwatch_metric_alarm" "elb_response_time" {
 alarm_name                = "elb_response_time"
 comparison_operator       = "GreaterThanThreshold"
 evaluation_periods        = "5"
 metric_name               = "TargetResponseTime"
 namespace                 = "AWS/ApplicationELB"
 period                    = "60"
 statistic                 = "Average"
 threshold                 = "2"
 alarm_description         = "This alarm will notify when the average response time is greater than 2 seconds for 5 consecutive data points"
 alarm_actions             = [aws_sns_topic.example.arn]
 dimensions = {
   LoadBalancer = aws_elbv2_load_balancer.example.name
 }
}

resource "aws_cloudwatch_metric_alarm" "elb_response_time" {
 alarm_name                = "elb_response_time"
 comparison_operator       = "GreaterThanThreshold"
 evaluation_periods        = "5"
 metric_name               = "TargetResponseTime"
 namespace                 = "AWS/ApplicationELB"
 period                    = "60"
 statistic                 = "Maximum"
 threshold                 = "1"
 alarm_description         = "This alarm will notify when the maximum response time is greater than 1 second for 5 consecutive data points"
 alarm_actions             = [aws_sns_topic.example.arn]
 dimensions = {
   LoadBalancer = aws_elbv2_load_balancer.example.name
 }
}

resource "aws_cloudwatch_metric_alarm" "elb_response_time_90th_percentile" {
 alarm_name                = "elb_response_time_90th_percentile"
 comparison_operator       = "GreaterThanThreshold"
 evaluation_periods        = "5"
 metric_name               = "TargetResponseTime"
 namespace                 = "AWS/ApplicationELB"
 period                    = "60"
 statistic                 = "p90"
 threshold                 = "1"
 alarm_description         = "This alarm will notify when the 90th percentile of the response time is greater than 1 second for 5 consecutive data points"
 alarm_actions             = [aws_sns_topic.example.arn]
 dimensions = {
   LoadBalancer = aws_elbv2_load_balancer.example.name
 }
}

resource "aws_sns_topic" "example" {
 name = "example-topic"
}

Related

See also

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