Difference between revisions of "Terraform resource: aws cloudwatch metric alarm"
Jump to navigation
Jump to search
| Line 10: | Line 10: | ||
evaluation_periods = "2" | evaluation_periods = "2" | ||
[[metric_name]] = "[[CPUUtilization]]" | [[metric_name]] = "[[CPUUtilization]]" | ||
| − | namespace = "[[AWS/ | + | namespace = "[[AWS/NetworkELB]]" |
period = "30" | period = "30" | ||
| − | [[statistic]] = " | + | [[statistic]] = "[[SampleCount]]" |
| − | threshold = " | + | threshold = "0" |
| − | alarm_description = " | + | alarm_description = "No healthy target group available to LB listener" |
dimensions = { | dimensions = { | ||
| − | + | HealthyHostCount = aws_db_instance.rds_instance.id | |
} | } | ||
} | } | ||
Revision as of 09:13, 8 February 2023
aws_cloudwatch_metric_alarm
Examples
resource "aws_cloudwatch_metric_alarm" "lb_targets_not_available" {
alarm_name = format("%s-%s", lower("${var.rds_name}"), "db-highCPUUtilization")
comparison_operator = "LessThanOrEqualToThreshold"
evaluation_periods = "2"
metric_name = "CPUUtilization"
namespace = "AWS/NetworkELB"
period = "30"
statistic = "SampleCount"
threshold = "0"
alarm_description = "No healthy target group available to LB listener"
dimensions = {
HealthyHostCount = aws_db_instance.rds_instance.id
}
}
resource "aws_cloudwatch_metric_alarm" "db_cpu_utilization_too_high" {
alarm_name = format("%s-%s", lower("${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 for ALB (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
Advertising:
