79 lines
5.4 KiB
Markdown
79 lines
5.4 KiB
Markdown
# CLOUD AWS ELASTICACHE REDIS DataDog monitors
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## How to use this module
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```hcl
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module "datadog-monitors-cloud-aws-elasticache-redis" {
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source = "claranet/monitors/datadog//cloud/aws/elasticache/redis"
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version = "{revision}"
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environment = var.environment
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message = module.datadog-message-alerting.alerting-message
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}
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```
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## Purpose
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Creates DataDog monitors with the following checks:
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- Elasticache redis cache hit ratio
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- Elasticache redis CPU
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- Elasticache redis is receiving no commands
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- Elasticache redis replication lag
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## Inputs
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| Name | Description | Type | Default | Required |
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|------|-------------|------|---------|:-----:|
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| cache\_hits\_enabled | Flag to enable Elasticache redis cache hits monitor | `string` | `"true"` | no |
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| cache\_hits\_extra\_tags | Extra tags for Elasticache redis cache hits monitor | `list(string)` | `[]` | no |
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| cache\_hits\_message | Custom message for Elasticache redis cache hits monitor | `string` | `""` | no |
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| cache\_hits\_threshold\_critical | Elasticache redis cache hits critical threshold in percentage | `string` | `60` | no |
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| cache\_hits\_threshold\_warning | Elasticache redis cache hits warning threshold in percentage | `string` | `80` | no |
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| cache\_hits\_time\_aggregator | Monitor aggregator for Elasticache redis cache hits [available values: min, max or avg] | `string` | `"max"` | no |
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| cache\_hits\_timeframe | Monitor timeframe for Elasticache redis cache hits [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | `string` | `"last_15m"` | no |
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| commands\_enabled | Flag to enable Elasticache redis commands monitor | `string` | `"true"` | no |
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| commands\_extra\_tags | Extra tags for Elasticache redis commands monitor | `list(string)` | `[]` | no |
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| commands\_message | Custom message for Elasticache redis commands monitor | `string` | `""` | no |
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| commands\_timeframe | Monitor timeframe for Elasticache redis commands [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | `string` | `"last_5m"` | no |
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| cpu\_high\_enabled | Flag to enable Elasticache redis cpu high monitor | `string` | `"true"` | no |
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| cpu\_high\_extra\_tags | Extra tags for Elasticache redis cpu high monitor | `list(string)` | `[]` | no |
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| cpu\_high\_message | Custom message for Elasticache redis cpu high monitor | `string` | `""` | no |
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| cpu\_high\_threshold\_critical | Elasticache redis cpu high critical threshold in percentage | `string` | `90` | no |
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| cpu\_high\_threshold\_warning | Elasticache redis cpu high warning threshold in percentage | `string` | `75` | no |
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| cpu\_high\_time\_aggregator | Monitor aggregator for Elasticache redis cpu high [available values: min, max or avg] | `string` | `"min"` | no |
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| cpu\_high\_timeframe | Monitor timeframe for Elasticache redis cpu high [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | `string` | `"last_15m"` | no |
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| environment | Infrastructure Environment | `string` | n/a | yes |
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| evaluation\_delay | Delay in seconds for the metric evaluation | `number` | `900` | no |
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| filter\_tags\_custom | Tags used for custom filtering when filter\_tags\_use\_defaults is false | `string` | `"*"` | no |
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| filter\_tags\_custom\_excluded | Tags excluded for custom filtering when filter\_tags\_use\_defaults is false | `string` | `""` | no |
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| filter\_tags\_use\_defaults | Use default filter tags convention | `string` | `"true"` | no |
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| message | Message sent when an alert is triggered | `any` | n/a | yes |
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| new\_host\_delay | Delay in seconds before monitor new resource | `number` | `300` | no |
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| notify\_no\_data | Will raise no data alert if set to true | `bool` | `true` | no |
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| prefix\_slug | Prefix string to prepend between brackets on every monitors names | `string` | `""` | no |
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| replication\_lag\_enabled | Flag to enable Elasticache redis replication lag monitor | `string` | `"true"` | no |
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| replication\_lag\_extra\_tags | Extra tags for Elasticache redis replication lag monitor | `list(string)` | `[]` | no |
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| replication\_lag\_message | Custom message for Elasticache redis replication lag monitor | `string` | `""` | no |
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| replication\_lag\_threshold\_critical | Elasticache redis replication lag critical threshold in seconds | `string` | `180` | no |
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| replication\_lag\_threshold\_warning | Elasticache redis replication lag warning threshold in seconds | `string` | `90` | no |
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| replication\_lag\_time\_aggregator | Monitor aggregator for Elasticache redis replication lag [available values: min, max or avg] | `string` | `"min"` | no |
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| replication\_lag\_timeframe | Monitor timeframe for Elasticache redis replication lag [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | `string` | `"last_10m"` | no |
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## Outputs
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| Name | Description |
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|------|-------------|
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| redis\_cache\_hits\_id | id for monitor redis\_cache\_hits |
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| redis\_commands\_id | id for monitor redis\_commands |
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| redis\_cpu\_high\_id | id for monitor redis\_cpu\_high |
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| redis\_replication\_lag\_id | id for monitor redis\_replication\_lag |
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## Related documentation
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* [https://docs.datadoghq.com/integrations/amazon_elasticache/](https://docs.datadoghq.com/integrations/amazon_elasticache/)
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* [https://www.datadoghq.com/blog/monitoring-elasticache-performance-metrics-with-redis-or-memcached/](https://www.datadoghq.com/blog/monitoring-elasticache-performance-metrics-with-redis-or-memcached/)
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