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MON-224 Instance Memory Utilization alerts, including forecasts.

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This commit is contained in:
Rafael Romero Carmona 2018-06-14 16:58:22 +02:00 committed by Quentin Manfroi
parent 316fde7e75
commit d76ebfc1c4
2 changed files with 44 additions and 3 deletions
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42
cloud/gcp/cloud-sql/instance/README.md
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@ -1,5 +1,37 @@
GCP CloudSQL Instance Monitors
==============================
## Inputs
How to use this module
----------------------
```
module "datadog-monitors-gcp-cloudsql" {
source = "git::ssh://git@bitbucket.org/morea/terraform.feature.datadog.git//cloud/gcp/clouds-sql/instance?ref={revision}"
project_id = "${var.gcp_project_id}"
environment = "${var.environment}"
message = "${module.datadog-message-alerting.alerting-message}"
}
```
Purpose
-------
Creates DataDog monitors with the following checks :
* CloudSQL Instance CPU Utilization
* CloudSQL Instance Disk Utilization
* CloudSQL Instance Memory Utilization
* CloudSQL Instance Memory Utilization Forecast
Useful links
------------
* [GCP Metrics for CloudSQL](https://cloud.google.com/monitoring/api/metrics_gcp#gcp-cloudsql)
* [Datadog Useful monitors for GCP CloudSQL](https://www.datadoghq.com/blog/monitor-google-cloud-sql/)
Inputs
------
| Name | Description | Type | Default | Required |
|------|-------------|:----:|:-----:|:-----:|
@ -18,11 +50,18 @@
| filter_tags_custom | Tags used for custom filtering when filter_tags_use_defaults is false | string | `*` | no |
| filter_tags_use_defaults | Use default filter tags convention | string | `true` | no |
| memory_forecast_history | History for the Memory Utilization Forecast monitor | string | `12h` | no |
| memory_forecast_history | History for the Memory Utilization Forecast monitor | string | `12h` | no |
| memory_forecast_interval | Interval for the Memory Utilization Forecast monitor | string | `30m` | no |
| memory_forecast_interval | Interval for the Memory Utilization Forecast monitor | string | `30m` | no |
| memory_forecast_message | Custom message for the Memory Utilization Forecast monitor | string | `` | no |
| memory_forecast_message | Custom message for the Memory Utilization Forecast monitor | string | `` | no |
| memory_forecast_silenced | Groups to mute for GCP Cloud SQL Memory Utilization Forecast monitor | map | `<map>` | no |
| memory_forecast_silenced | Groups to mute for GCP Cloud SQL Memory Utilization Forecast monitor | map | `<map>` | no |
| memory_forecast_threshold_critical | Memory Utilization Forecast in fraction (critical threshold) | string | `0.9` | no |
| memory_forecast_threshold_critical | Memory Utilization Forecast in fraction (critical threshold) | string | `0.9` | no |
| memory_forecast_threshold_warning | Memory Utilization Forecast in fraction (warning threshold) | string | `0.8` | no |
| memory_forecast_threshold_warning | Memory Utilization Forecast in fraction (warning threshold) | string | `0.8` | no |
| memory_forecast_timeframe | Timeframe for the Memory Utilization Forecast monitor | string | `next_3d` | no |
| memory_forecast_timeframe | Timeframe for the Memory Utilization Forecast monitor | string | `next_3d` | no |
| memory_message | Custom message for the Memory Utilization monitor | string | `` | no |
| memory_silenced | Groups to mute for GCP Cloud SQL Memory Utilization monitor | map | `<map>` | no |
@ -31,4 +70,3 @@
| memory_timeframe | Timeframe for the Memory Utilization monitor | string | `last_5m` | no |
| message | Message sent when a monitor is triggered | string | - | yes |
| project_id | ID of the GCP Project | string | - | yes |

5
cloud/gcp/cloud-sql/instance/monitors-cloud-sql-instance.tf
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@ -6,7 +6,7 @@ data "template_file" "filter" {
vars {
filter = "${var.filter_tags_use_defaults == "true" ?
format("project_id:%s", var.project_id) :
format("project_id:%s", var.project_id) :
"${var.filter_tags_custom}"}"
}
}
@ -133,6 +133,9 @@ EOF
]
}
#
# Memory Utilization Forecast
#
resource "datadog_monitor" "memory_utilization_forecast" {
name = "[${var.environment}] Cloud SQL Memory Utilization Forecast {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
message = "${coalesce(var.memory_forecast_message, var.message)}"