From e78c665813de25b9bd81ea7c385398edfff442a5 Mon Sep 17 00:00:00 2001 From: Alexandre Gaillet Date: Thu, 12 Jul 2018 16:08:11 +0200 Subject: [PATCH] MON-246 - Azure Databases for MySQL servers monitors added --- cloud/azure/mysql/README.md | 72 +++++++++++ cloud/azure/mysql/inputs.tf | 186 ++++++++++++++++++++++++++++ cloud/azure/mysql/monitors-mysql.tf | 162 ++++++++++++++++++++++++ 3 files changed, 420 insertions(+) create mode 100644 cloud/azure/mysql/README.md create mode 100644 cloud/azure/mysql/inputs.tf create mode 100644 cloud/azure/mysql/monitors-mysql.tf diff --git a/cloud/azure/mysql/README.md b/cloud/azure/mysql/README.md new file mode 100644 index 0000000..57cea90 --- /dev/null +++ b/cloud/azure/mysql/README.md @@ -0,0 +1,72 @@ +Azure Database for MySQL servers DataDog monitors +================================================= + +How to use this module +---------------------- + +``` +module "datadog-monitors-azure-mysql" { + source = "git::ssh://git@bitbucket.org/morea/terraform.feature.datadog.git//cloud/azure/mysql?ref={revision}" + + message = "${module.datadog-message-alerting.alerting-message}" + environment = "${var.environment}" +} +``` + +Purpose +------- +Creates a DataDog monitors with the following checks : + +* CPU Usage +* Memory Usage +* Free disk space +* No active connection +* IO consumption + +Inputs +------ + +| Name | Description | Type | Default | Required | +|------|-------------|:----:|:-----:|:-----:| +| cpu_usage_message | Custom message for Mysql CPU monitor | string | `` | no | +| cpu_usage_silenced | Groups to mute for Mysql CPU monitor | map | `` | no | +| cpu_usage_threshold_critical | Mysql CPU usage in percent (critical threshold) | string | `90` | no | +| cpu_usage_threshold_warning | Mysql CPU usage in percent (warning threshold) | string | `80` | no | +| cpu_usage_time_aggregator | Monitor aggregator for Mysql CPU [available values: min, max or avg] | string | `min` | no | +| cpu_usage_timeframe | Monitor timeframe for Mysql CPU [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `last_15m` | no | +| delay | Delay in seconds for the metric evaluation | string | `900` | no | +| environment | Architecture environment | string | - | yes | +| 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 | +| free_storage_message | Custom message for Mysql Free Storage monitor | string | `` | no | +| free_storage_silenced | Groups to mute for Mysql Free Storage monitor | map | `` | no | +| free_storage_threshold_critical | Mysql Free Storage remaining in percent (critical threshold) | string | `10` | no | +| free_storage_threshold_warning | Mysql Free Storage remaining in percent (warning threshold) | string | `20` | no | +| free_storage_time_aggregator | Monitor aggregator for Mysql Free Storage [available values: min, max or avg] | string | `min` | no | +| free_storage_timeframe | Monitor timeframe for Mysql Free Storage [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `last_15m` | no | +| io_consumption_message | Custom message for Mysql IO consumption monitor | string | `` | no | +| io_consumption_silenced | Groups to mute for Mysql IO consumption monitor | map | `` | no | +| io_consumption_threshold_critical | Mysql IO consumption in percent (critical threshold) | string | `90` | no | +| io_consumption_threshold_warning | Mysql IO consumption in percent (warning threshold) | string | `80` | no | +| io_consumption_time_aggregator | Monitor aggregator for Mysql IO consumption [available values: min, max or avg] | string | `min` | no | +| io_consumption_timeframe | Monitor timeframe for Mysql IO consumption [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `last_15m` | no | +| memory_usage_message | Custom message for Mysql memory monitor | string | `` | no | +| memory_usage_silenced | Groups to mute for Mysql memory monitor | map | `` | no | +| memory_usage_threshold_critical | Mysql memory usage in percent (critical threshold) | string | `90` | no | +| memory_usage_threshold_warning | Mysql memory usage in percent (warning threshold) | string | `80` | no | +| memory_usage_time_aggregator | Monitor aggregator for Mysql memory [available values: min, max or avg] | string | `min` | no | +| memory_usage_timeframe | Monitor timeframe for Mysql memory [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `last_15m` | no | +| message | Message sent when a Redis monitor is triggered | string | - | yes | +| no_connection_message | Custom message for Mysql no connection monitor | string | `` | no | +| no_connection_silenced | Groups to mute for Mysql no connection monitor | map | `` | no | +| no_connection_time_aggregator | Monitor aggregator for Mysql no connection [available values: min, max or avg] | string | `min` | no | +| no_connection_timeframe | Monitor timeframe for Mysql no connection [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `last_5m` | no | + +Related documentation +--------------------- + +DataDog documentation: [https://docs.datadoghq.com/integrations/azure/](https://docs.datadoghq.com/integrations/azure/) +You have to search `mysql` + +Azure Database for MySQL servers metrics documentation: [https://docs.microsoft.com/en-us/azure/mysql/concepts-monitoring](https://docs.microsoft.com/en-us/azure/mysql/concepts-monitoring) + diff --git a/cloud/azure/mysql/inputs.tf b/cloud/azure/mysql/inputs.tf new file mode 100644 index 0000000..29f9307 --- /dev/null +++ b/cloud/azure/mysql/inputs.tf @@ -0,0 +1,186 @@ +# Global Terraform +variable "environment" { + description = "Architecture environment" + type = "string" +} + +# Global DataDog +variable "message" { + description = "Message sent when a Redis monitor is triggered" +} + +variable "delay" { + description = "Delay in seconds for the metric evaluation" + default = 900 +} + +variable "filter_tags_use_defaults" { + description = "Use default filter tags convention" + default = "true" +} + +variable "filter_tags_custom" { + description = "Tags used for custom filtering when filter_tags_use_defaults is false" + default = "*" +} + +# Azure Mysql specific variables +variable "cpu_usage_silenced" { + description = "Groups to mute for Mysql CPU monitor" + type = "map" + default = {} +} + +variable "cpu_usage_message" { + description = "Custom message for Mysql CPU monitor" + type = "string" + default = "" +} + +variable "cpu_usage_time_aggregator" { + description = "Monitor aggregator for Mysql CPU [available values: min, max or avg]" + type = "string" + default = "min" +} + +variable "cpu_usage_timeframe" { + description = "Monitor timeframe for Mysql CPU [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]" + type = "string" + default = "last_15m" +} + +variable "cpu_usage_threshold_warning" { + description = "Mysql CPU usage in percent (warning threshold)" + default = "80" +} + +variable "cpu_usage_threshold_critical" { + description = "Mysql CPU usage in percent (critical threshold)" + default = "90" +} + +variable "no_connection_silenced" { + description = "Groups to mute for Mysql no connection monitor" + type = "map" + default = {} +} + +variable "no_connection_message" { + description = "Custom message for Mysql no connection monitor" + type = "string" + default = "" +} + +variable "no_connection_time_aggregator" { + description = "Monitor aggregator for Mysql no connection [available values: min, max or avg]" + type = "string" + default = "min" +} + +variable "no_connection_timeframe" { + description = "Monitor timeframe for Mysql no connection [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]" + type = "string" + default = "last_5m" +} + +variable "free_storage_silenced" { + description = "Groups to mute for Mysql Free Storage monitor" + type = "map" + default = {} +} + +variable "free_storage_message" { + description = "Custom message for Mysql Free Storage monitor" + type = "string" + default = "" +} + +variable "free_storage_time_aggregator" { + description = "Monitor aggregator for Mysql Free Storage [available values: min, max or avg]" + type = "string" + default = "min" +} + +variable "free_storage_timeframe" { + description = "Monitor timeframe for Mysql Free Storage [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]" + type = "string" + default = "last_15m" +} + +variable "free_storage_threshold_warning" { + description = "Mysql Free Storage remaining in percent (warning threshold)" + default = "20" +} + +variable "free_storage_threshold_critical" { + description = "Mysql Free Storage remaining in percent (critical threshold)" + default = "10" +} + +variable "io_consumption_silenced" { + description = "Groups to mute for Mysql IO consumption monitor" + type = "map" + default = {} +} + +variable "io_consumption_message" { + description = "Custom message for Mysql IO consumption monitor" + type = "string" + default = "" +} + +variable "io_consumption_time_aggregator" { + description = "Monitor aggregator for Mysql IO consumption [available values: min, max or avg]" + type = "string" + default = "min" +} + +variable "io_consumption_timeframe" { + description = "Monitor timeframe for Mysql IO consumption [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]" + type = "string" + default = "last_15m" +} + +variable "io_consumption_threshold_warning" { + description = "Mysql IO consumption in percent (warning threshold)" + default = "80" +} + +variable "io_consumption_threshold_critical" { + description = "Mysql IO consumption in percent (critical threshold)" + default = "90" +} + +variable "memory_usage_silenced" { + description = "Groups to mute for Mysql memory monitor" + type = "map" + default = {} +} + +variable "memory_usage_message" { + description = "Custom message for Mysql memory monitor" + type = "string" + default = "" +} + +variable "memory_usage_time_aggregator" { + description = "Monitor aggregator for Mysql memory [available values: min, max or avg]" + type = "string" + default = "min" +} + +variable "memory_usage_timeframe" { + description = "Monitor timeframe for Mysql memory [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]" + type = "string" + default = "last_15m" +} + +variable "memory_usage_threshold_warning" { + description = "Mysql memory usage in percent (warning threshold)" + default = "80" +} + +variable "memory_usage_threshold_critical" { + description = "Mysql memory usage in percent (critical threshold)" + default = "90" +} diff --git a/cloud/azure/mysql/monitors-mysql.tf b/cloud/azure/mysql/monitors-mysql.tf new file mode 100644 index 0000000..ddde5be --- /dev/null +++ b/cloud/azure/mysql/monitors-mysql.tf @@ -0,0 +1,162 @@ +data "template_file" "filter" { + template = "$${filter}" + + vars { + filter = "${var.filter_tags_use_defaults == "true" ? format("dd_monitoring:enabled,dd_azure_mysql:enabled,env:%s", var.environment) : "${var.filter_tags_custom}"}" + } +} + +resource "datadog_monitor" "mysql_cpu_usage" { + name = "[${var.environment}] Mysql Server CPU usage is high {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}" + message = "${coalesce(var.cpu_usage_message, var.message)}" + + query = < ${var.cpu_usage_threshold_critical} + EOF + + type = "metric alert" + + thresholds { + critical = "${var.cpu_usage_threshold_critical}" + warning = "${var.cpu_usage_threshold_warning}" + } + + silenced = "${var.cpu_usage_silenced}" + + notify_no_data = true + evaluation_delay = "${var.delay}" + renotify_interval = 0 + notify_audit = false + timeout_h = 0 + include_tags = true + locked = false + require_full_window = false + new_host_delay = "${var.delay}" + + tags = ["env:${var.environment}", "resource:mysql", "team:azure", "provider:azure"] +} + +resource "datadog_monitor" "mysql_no_connection" { + name = "[${var.environment}] Mysql Server has no connection" + message = "${coalesce(var.no_connection_message, var.message)}" + + query = < ${var.io_consumption_threshold_critical} + EOF + + type = "metric alert" + + thresholds { + critical = "${var.io_consumption_threshold_critical}" + warning = "${var.io_consumption_threshold_warning}" + } + + silenced = "${var.io_consumption_silenced}" + + notify_no_data = true + evaluation_delay = "${var.delay}" + renotify_interval = 0 + notify_audit = false + timeout_h = 0 + include_tags = true + locked = false + require_full_window = false + new_host_delay = "${var.delay}" + + tags = ["env:${var.environment}", "resource:mysql", "team:azure", "provider:azure"] +} + +resource "datadog_monitor" "mysql_memory_usage" { + name = "[${var.environment}] Mysql Server memory usage is high {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}" + message = "${coalesce(var.memory_usage_message, var.message)}" + + query = < ${var.memory_usage_threshold_critical} + EOF + + type = "metric alert" + + thresholds { + critical = "${var.memory_usage_threshold_critical}" + warning = "${var.memory_usage_threshold_warning}" + } + + silenced = "${var.memory_usage_silenced}" + + notify_no_data = true + evaluation_delay = "${var.delay}" + renotify_interval = 0 + notify_audit = false + timeout_h = 0 + include_tags = true + locked = false + require_full_window = false + new_host_delay = "${var.delay}" + + tags = ["env:${var.environment}", "resource:mysql", "team:azure", "provider:azure"] +}