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CLOUD AWS ELB DataDog monitors

How to use this module

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

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

Purpose

Creates DataDog monitors with the following checks:

  • ELB 4xx errors too high
  • ELB 5xx errors too high
  • ELB backend 4xx errors too high
  • ELB backend 5xx errors too high
  • ELB healthy instances
  • ELB latency too high

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.ELB_backend_latency resource
datadog_monitor.ELB_no_healthy_instances resource
datadog_monitor.ELB_too_much_4xx resource
datadog_monitor.ELB_too_much_4xx_backend resource
datadog_monitor.ELB_too_much_5xx resource
datadog_monitor.ELB_too_much_5xx_backend resource

Inputs

Name Description Type Default Required
artificial_requests_count Number of false requests used to mitigate false positive in case of low trafic number 5 no
elb_4xx_enabled Flag to enable ELB 4xx errors monitor string "true" no
elb_4xx_extra_tags Extra tags for ELB 4xx errors monitor list(string) [] no
elb_4xx_message Custom message for ELB 4xx errors monitor string "" no
elb_4xx_threshold_critical loadbalancer 4xx critical threshold in percentage number 10 no
elb_4xx_threshold_warning loadbalancer 4xx warning threshold in percentage number 5 no
elb_4xx_timeframe Monitor timeframe for ELB 4xx errors [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
elb_5xx_enabled Flag to enable ELB 5xx errors monitor string "true" no
elb_5xx_extra_tags Extra tags for ELB 5xx errors monitor list(string) [] no
elb_5xx_message Custom message for ELB 5xx errors monitor string "" no
elb_5xx_threshold_critical loadbalancer 5xx critical threshold in percentage number 10 no
elb_5xx_threshold_warning loadbalancer 5xx warning threshold in percentage number 5 no
elb_5xx_timeframe Monitor timeframe for ELB 5xx errors [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
elb_backend_4xx_enabled Flag to enable ELB backend 4xx errors monitor string "true" no
elb_backend_4xx_extra_tags Extra tags for ELB backend 4xx errors monitor list(string) [] no
elb_backend_4xx_message Custom message for ELB backend 4xx errors monitor string "" no
elb_backend_4xx_threshold_critical loadbalancer backend 4xx critical threshold in percentage number 10 no
elb_backend_4xx_threshold_warning loadbalancer backend 4xx warning threshold in percentage number 5 no
elb_backend_4xx_timeframe Monitor timeframe for ELB backend 4xx errors [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
elb_backend_5xx_enabled Flag to enable ELB backend 5xx errors monitor string "true" no
elb_backend_5xx_extra_tags Extra tags for ELB backend 5xx errors monitor list(string) [] no
elb_backend_5xx_message Custom message for ELB backend 5xx errors monitor string "" no
elb_backend_5xx_threshold_critical loadbalancer backend 5xx critical threshold in percentage number 10 no
elb_backend_5xx_threshold_warning loadbalancer backend 5xx warning threshold in percentage number 5 no
elb_backend_5xx_timeframe Monitor timeframe for ELB backend 5xx errors [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
elb_backend_latency_critical latency critical threshold in seconds number 3 no
elb_backend_latency_enabled Flag to enable ELB backend latency monitor string "true" no
elb_backend_latency_extra_tags Extra tags for ELB backend latency monitor list(string) [] no
elb_backend_latency_message Custom message for ELB backend latency monitor string "" no
elb_backend_latency_time_aggregator Monitor aggregator for ELB backend latency [available values: min, max or avg] string "min" no
elb_backend_latency_timeframe Monitor timeframe for ELB backend latency [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
elb_backend_latency_warning latency warning threshold in seconds number 1 no
elb_no_healthy_instance_enabled Flag to enable ELB no healty instance monitor string "true" no
elb_no_healthy_instance_extra_tags Extra tags for ELB no healty instance monitor list(string) [] no
elb_no_healthy_instance_message Custom message for ELB no healty instance monitor string "" no
elb_no_healthy_instance_no_data_timeframe Number of minutes before reporting no data string 10 no
elb_no_healthy_instance_threshold_warning ELB no healthy instances warning threshold in percentage number 100 no
elb_no_healthy_instance_time_aggregator Monitor aggregator for ELB no healty instance [available values: min or max] string "min" no
elb_no_healthy_instance_timeframe Monitor timeframe for ELB no healty instance [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" 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
message Message sent when an alert 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
ELB_backend_latency_id id for monitor ELB_backend_latency
ELB_no_healthy_instances_id id for monitor ELB_no_healthy_instances
ELB_too_much_4xx_backend_id id for monitor ELB_too_much_4xx_backend
ELB_too_much_4xx_id id for monitor ELB_too_much_4xx
ELB_too_much_5xx_backend_id id for monitor ELB_too_much_5xx_backend
ELB_too_much_5xx_id id for monitor ELB_too_much_5xx

Related documentation

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

AWS ELB metrics documentation: https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-cloudwatch-metrics.html