CLOUD AWS ALB DataDog monitors
How to use this module
module "datadog-monitors-cloud-aws-alb" {
source = "git::ssh://git@git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors.git//cloud/aws/alb?ref={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
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 | [] |
no |
| alb_no_healthy_instances_message | Custom message for ALB no healthy instances monitor | string | "" |
no |
| alb_no_healthy_instances_silenced | Groups to mute for ALB no healthy instances monitor | map | {} |
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 | string | "5" |
no |
| environment | Architecture environment | string | n/a | yes |
| evaluation_delay | Delay in seconds for the metric evaluation | string | "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 | [] |
no |
| httpcode_alb_4xx_message | Custom message for ALB httpcode 4xx monitor | string | "" |
no |
| httpcode_alb_4xx_silenced | Groups to mute for ALB httpcode 4xx monitor | map | {} |
no |
| httpcode_alb_4xx_threshold_critical | loadbalancer 4xx critical threshold in percentage | string | "80" |
no |
| httpcode_alb_4xx_threshold_warning | loadbalancer 4xx warning threshold in percentage | string | "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 | [] |
no |
| httpcode_alb_5xx_message | Custom message for ALB httpcode 5xx monitor | string | "" |
no |
| httpcode_alb_5xx_silenced | Groups to mute for ALB httpcode 5xx monitor | map | {} |
no |
| httpcode_alb_5xx_threshold_critical | loadbalancer 5xx critical threshold in percentage | string | "80" |
no |
| httpcode_alb_5xx_threshold_warning | loadbalancer 5xx warning threshold in percentage | string | "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 | [] |
no |
| httpcode_target_4xx_message | Custom message for ALB target httpcode 4xx monitor | string | "" |
no |
| httpcode_target_4xx_silenced | Groups to mute for ALB target httpcode 4xx monitor | map | {} |
no |
| httpcode_target_4xx_threshold_critical | target 4xx critical threshold in percentage | string | "80" |
no |
| httpcode_target_4xx_threshold_warning | target 4xx warning threshold in percentage | string | "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 | [] |
no |
| httpcode_target_5xx_message | Custom message for ALB target httpcode 5xx monitor | string | "" |
no |
| httpcode_target_5xx_silenced | Groups to mute for ALB target httpcode 5xx monitor | map | {} |
no |
| httpcode_target_5xx_threshold_critical | target 5xx critical threshold in percentage | string | "80" |
no |
| httpcode_target_5xx_threshold_warning | target 5xx warning threshold in percentage | string | "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 | [] |
no |
| latency_message | Custom message for ALB latency monitor | string | "" |
no |
| latency_silenced | Groups to mute for ALB latency monitor | map | {} |
no |
| latency_threshold_critical | latency critical threshold in milliseconds | string | "1000" |
no |
| latency_threshold_warning | latency warning threshold in milliseconds | string | "500" |
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 | string | n/a | yes |
| new_host_delay | Delay in seconds before monitor new resource | string | "300" |
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