MON-75 SQL DB monitors init

cloud/azure/sql-database/README.md

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+Azure SQL Database DataDog monitors
+============================
+
+How to use this module
+----------------------
+
+```
+module "datadog-monitors-azure-storage" {
+  source = "git::ssh://git@bitbucket.org/morea/terraform.feature.datadog.git//cloud/azure/sql-database?ref={revision}"
+
+  message = "${module.datadog-message-alerting.alerting-message}"
+
+  environment = "${var.environment}"
+  client_name = "${var.client_name}"
+}
+```
+
+Purpose
+-------
+Creates a DataDog monitors with the following checks :
+
+* CPU High
+* Free disk space low
+* DTU Consumption high
+* SQL deadlocks
+
+Inputs
+------
+
+| Name | Type | Default | Required |
+|------|:----:|:-------:|:--------:|
+| client_name | Client name | string | - | yes |
+| delay | Delay in seconds for the metric evaluation | string | `600` | no |
+| environment | Architecture environment | string | - | yes |
+| message | Message sent when a monitor is triggered | string | - | yes |
+| use_filter_tags | Filter the data with service tags if true | string | `false` | no |
+| dd_azure_sqldb | string | `disabled` | yes |
+| cpu_threshold_warning | string | `85` | no |
+| cpu_threshold_critical | string | `90` | no |
+| diskspace_threshold_warning | string | `80` | no |
+| diskspace_threshold_critical | string | `90` | no |
+| dtu_threshold_warning | string | `85` | no |
+| dtu_threshold_critical | string | `90` | no |
+| deadlock_threshold_critical | string | `1` | no |

cloud/azure/sql-database/inputs.tf

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+variable "subscription_id" {
+  default = ""
+}
+
+variable "message" {
+  description = "Message sent when a SQL DB monitor is triggered"
+}
+
+variable "environment" {}
+
+variable "use_filter_tags" {
+  default = "false"
+}
+
+variable "cpu_threshold_warning" {
+  default = ""
+}
+
+variable "cpu_threshold_critical" {
+  default = "90"
+}
+
+variable "diskspace_threshold_warning" {
+  default = "80"
+}
+
+variable "diskspace_threshold_critical" {
+  default = "90"
+}
+
+variable "dtu_threshold_warning" {
+  default = "85"
+}
+
+variable "dtu_threshold_critical" {
+  default = "90"
+}
+
+variable "deadlock_threshold_critical" {
+  default = "1"
+}
+
+variable "delay" {
+  default = "600"
+}
+
+variable "dd_azure_sqldb" {
+  default = "disabled"
+}

cloud/azure/sql-database/monitors-sql-database-basics.tf

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+data "template_file" "filter" {
+  template = "$${filter}"
+
+  vars {
+    filter = "${var.use_filter_tags == "true" ? format("dd_monitoring:enabled,dd_azure_sqldb:enabled,env:%s",var.environment) : "*"}"
+  }
+}
+
+resource "datadog_monitor" "sql-database_cpu_90_15min" {
+  name    = "[${var.environment}] SQL Database CPU high > 90% for 15 min on {{name}}"
+  message = "${message}"
+
+  count = "${var.dd_azure_sqldb == "enabled" ? 1 : 0 }"
+
+  query = "avg(last_15m):avg:azure.sql_servers_databases.cpu_percent{${data.template_file.filter.rendered}} by {name,resource_group} > ${var.cpu_threshold_critical}"
+  type  = "query alert"
+
+  thresholds {
+    critical = "${var.cpu_threshold_critical}"
+  }
+
+  notify_no_data      = true
+  evaluation_delay    = "${var.delay}"
+  renotify_interval   = 0
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  new_host_delay      = "${var.delay}"
+  no_data_timeframe   = 20
+}
+
+resource "datadog_monitor" "sql-database_free_space_low" {
+  name    = "[${var.environment}] SQL Database free space < 10 % on {{name}}"
+  message = "${message}"
+
+  type  = "query alert"
+  query = "avg(last_15m):avg:azure.sql_servers_databases.storage_percent{${data.template_file.filter.rendered}} by {name,resource_group} > 90"
+
+  count = "${var.dd_azure_sqldb == "enabled" ? 1 : 0 }"
+
+  thresholds {
+    warning  = "${var.diskspace_threshold_warning}"
+    critical = "${var.diskspace_threshold_critical}"
+  }
+
+  notify_no_data      = true
+  evaluation_delay    = "${var.delay}"
+  renotify_interval   = 0
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  new_host_delay      = "${var.delay}"
+  no_data_timeframe   = 20
+}
+
+resource "datadog_monitor" "sql-database_dtu_consumption_high" {
+  name    = "[${var.environment}] DTU Consumption on {{name}} > 90"
+  message = "${message}"
+
+  type  = "query alert"
+  query = "avg(last_15m):azure.sql_servers_databases.dtu_consumption_percent{${data.template_file.filter.rendered}} by {name,resource_group} > 90"
+
+  count = "${var.dd_azure_sqldb == "enabled" ? 1 : 0 }"
+
+  thresholds {
+    warning  = "${var.dtu_threshold_warning}"
+    critical = "${var.dtu_threshold_critical}"
+  }
+
+  notify_no_data      = true
+  evaluation_delay    = "${var.delay}"
+  renotify_interval   = 0
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  new_host_delay      = "${var.delay}"
+  no_data_timeframe   = 20
+}
+
+resource "datadog_monitor" "sql-database_deadlocks_count" {
+  name    = "[${var.environment}] SQL Deadlocks too high on {{name}}"
+  message = "${message}"
+
+  type  = "query alert"
+  query = "sum(last_5m):avg:azure.sql_servers_databases.deadlock{${data.template_file.filter.rendered}} by {name,resource_group}.as_count() > ${var.deadlock_threshold_critical}"
+
+  count = "${var.dd_azure_sqldb == "enabled" ? 1 : 0 }"
+
+  thresholds {
+    critical = "${var.deadlock_threshold_critical}"
+  }
+
+  notify_no_data      = false
+  evaluation_delay    = "${var.delay}"
+  renotify_interval   = 0
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  new_host_delay      = "${var.delay}"
+  no_data_timeframe   = 20
+}