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CLOUD AWS ALB DataDog monitors

How to use this module

module "datadog-monitors-cloud-aws-alb" {
  source      = "claranet/monitors/datadog//cloud/aws/alb"
  version     = "{revision}"

  environment = var.environment
  message     = module.datadog-message-alerting.alerting-message
}

Purpose

Creates DataDog monitors with the following checks:

  • ALB healthy instances
  • ALB HTTP code 4xx
  • ALB HTTP code 5xx
  • ALB latency
  • ALB target HTTP code 4xx
  • ALB target HTTP code 5xx

Requirements

Name Version
terraform >= 0.12.31
datadog >= 3.1.0

Providers

Name Version
datadog 3.1.2

Modules

Name Source Version
filter-tags ../../../common/filter-tags n/a

Resources

Name Type
datadog_monitor.ALB_httpcode_4xx resource
datadog_monitor.ALB_httpcode_5xx resource
datadog_monitor.ALB_httpcode_target_4xx resource
datadog_monitor.ALB_httpcode_target_5xx resource
datadog_monitor.ALB_latency resource
datadog_monitor.ALB_no_healthy_instances resource

Inputs

Name Description Type Default Required
alb_no_healthy_instances_enabled Flag to enable ALB no healthy instances monitor string "true" no
alb_no_healthy_instances_extra_tags Extra tags for ALB no healthy instances monitor list(string) [] no
alb_no_healthy_instances_message Custom message for ALB no healthy instances monitor string "" no
alb_no_healthy_instances_no_data_timeframe Number of minutes before reporting no data string 10 no
alb_no_healthy_instances_threshold_warning ALB no healthy instances warning threshold in percentage number 100 no
alb_no_healthy_instances_time_aggregator Monitor aggregator for ALB no healthy instances [available values: min, max or avg] string "min" no
alb_no_healthy_instances_timeframe Monitor timeframe for ALB no healthy instances [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
artificial_requests_count Number of false requests used to mitigate false positive in case of low trafic number 5 no
environment Architecture environment string n/a yes
evaluation_delay Delay in seconds for the metric evaluation number 900 no
filter_tags_custom Tags used for custom filtering when filter_tags_use_defaults is false string "*" no
filter_tags_custom_excluded Tags excluded for custom filtering when filter_tags_use_defaults is false string "" no
filter_tags_use_defaults Use default filter tags convention string "true" no
httpcode_alb_4xx_enabled Flag to enable ALB httpcode 4xx monitor string "true" no
httpcode_alb_4xx_extra_tags Extra tags for ALB httpcode 4xx monitor list(string) [] no
httpcode_alb_4xx_message Custom message for ALB httpcode 4xx monitor string "" no
httpcode_alb_4xx_threshold_critical loadbalancer 4xx critical threshold in percentage number 80 no
httpcode_alb_4xx_threshold_warning loadbalancer 4xx warning threshold in percentage number 60 no
httpcode_alb_4xx_time_aggregator Monitor aggregator for ALB httpcode 4xx [available values: min, max or avg] string "min" no
httpcode_alb_4xx_timeframe Monitor timeframe for ALB httpcode 4xx [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
httpcode_alb_5xx_enabled Flag to enable ALB httpcode 5xx monitor string "true" no
httpcode_alb_5xx_extra_tags Extra tags for ALB httpcode 5xx monitor list(string) [] no
httpcode_alb_5xx_message Custom message for ALB httpcode 5xx monitor string "" no
httpcode_alb_5xx_threshold_critical loadbalancer 5xx critical threshold in percentage number 80 no
httpcode_alb_5xx_threshold_warning loadbalancer 5xx warning threshold in percentage number 60 no
httpcode_alb_5xx_time_aggregator Monitor aggregator for ALB httpcode 5xx [available values: min, max or avg] string "min" no
httpcode_alb_5xx_timeframe Monitor timeframe for ALB httpcode 5xx [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
httpcode_target_4xx_enabled Flag to enable ALB target httpcode 4xx monitor string "true" no
httpcode_target_4xx_extra_tags Extra tags for ALB target httpcode 4xx monitor list(string) [] no
httpcode_target_4xx_message Custom message for ALB target httpcode 4xx monitor string "" no
httpcode_target_4xx_threshold_critical target 4xx critical threshold in percentage number 80 no
httpcode_target_4xx_threshold_warning target 4xx warning threshold in percentage number 60 no
httpcode_target_4xx_time_aggregator Monitor aggregator for ALB target httpcode 4xx [available values: min, max or avg] string "min" no
httpcode_target_4xx_timeframe Monitor timeframe for ALB target httpcode 4xx [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
httpcode_target_5xx_enabled Flag to enable ALB target httpcode 5xx monitor string "true" no
httpcode_target_5xx_extra_tags Extra tags for ALB target httpcode 5xx monitor list(string) [] no
httpcode_target_5xx_message Custom message for ALB target httpcode 5xx monitor string "" no
httpcode_target_5xx_threshold_critical target 5xx critical threshold in percentage number 80 no
httpcode_target_5xx_threshold_warning target 5xx warning threshold in percentage number 60 no
httpcode_target_5xx_time_aggregator Monitor aggregator for ALB target httpcode 5xx [available values: min, max or avg] string "min" no
httpcode_target_5xx_timeframe Monitor timeframe for ALB target httpcode 5xx [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
latency_enabled Flag to enable ALB latency monitor string "true" no
latency_extra_tags Extra tags for ALB latency monitor list(string) [] no
latency_message Custom message for ALB latency monitor string "" no
latency_threshold_critical latency critical threshold in seconds number 3 no
latency_threshold_warning latency warning threshold in seconds number 1 no
latency_time_aggregator Monitor aggregator for ALB latency [available values: min, max or avg] string "min" no
latency_timeframe Monitor timeframe for ALB latency [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
message Message sent when a monitor is triggered any n/a yes
new_host_delay Delay in seconds before monitor new resource number 300 no
notify_no_data Will raise no data alert if set to true bool true no
prefix_slug Prefix string to prepend between brackets on every monitors names string "" no

Outputs

Name Description
ALB_httpcode_4xx_id id for monitor ALB_httpcode_4xx
ALB_httpcode_5xx_id id for monitor ALB_httpcode_5xx
ALB_httpcode_target_4xx_id id for monitor ALB_httpcode_target_4xx
ALB_httpcode_target_5xx_id id for monitor ALB_httpcode_target_5xx
ALB_latency_id id for monitor ALB_latency
ALB_no_healthy_instances_id id for monitor ALB_no_healthy_instances

Related documentation

DataDog blog: https://www.datadoghq.com/blog/monitor-application-load-balancer/

AWS ALB metrics documentation: https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-cloudwatch-metrics.html