feat: Support Query Insights for MySQL (#354)

* Support Query Insights for MySQL

* Generated docs

* Add insights_config for safer_mysql

* Update docs with insights_config for safer_mysql

Author: thealgirdas

modules/mysql/README.md

@@ -27,6 +27,7 @@ Note: CloudSQL provides [disk autoresize](https://cloud.google.com/sql/docs/mysq
 | enable\_default\_db | Enable or disable the creation of the default database | `bool` | `true` | no |
 | enable\_default\_user | Enable or disable the creation of the default user | `bool` | `true` | no |
 | encryption\_key\_name | The full path to the encryption key used for the CMEK disk encryption | `string` | `null` | no |
+| insights\_config | The insights\_config settings for the database. | <pre>object({<br>    query_string_length     = number<br>    record_application_tags = bool<br>    record_client_address   = bool<br>  })</pre> | `null` | no |
 | ip\_configuration | The ip\_configuration settings subblock | <pre>object({<br>    authorized_networks = list(map(string))<br>    ipv4_enabled        = bool<br>    private_network     = string<br>    require_ssl         = bool<br>    allocated_ip_range  = string<br>  })</pre> | <pre>{<br>  "allocated_ip_range": null,<br>  "authorized_networks": [],<br>  "ipv4_enabled": true,<br>  "private_network": null,<br>  "require_ssl": null<br>}</pre> | no |
 | maintenance\_window\_day | The day of week (1-7) for the master instance maintenance. | `number` | `1` | no |
 | maintenance\_window\_hour | The hour of day (0-23) maintenance window for the master instance maintenance. | `number` | `23` | no |

modules/mysql/main.tf

@@ -73,6 +73,16 @@ resource "google_sql_database_instance" "default" {
         }
       }
     }
+    dynamic "insights_config" {
+      for_each = var.insights_config != null ? [var.insights_config] : []
+
+      content {
+        query_insights_enabled  = true
+        query_string_length     = lookup(insights_config.value, "query_string_length", 1024)
+        record_application_tags = lookup(insights_config.value, "record_application_tags", false)
+        record_client_address   = lookup(insights_config.value, "record_client_address", false)
+      }
+    }
     dynamic "ip_configuration" {
       for_each = [local.ip_configurations[local.ip_configuration_enabled ? "enabled" : "disabled"]]
       content {

modules/mysql/variables.tf

@@ -165,6 +165,16 @@ variable "backup_configuration" {
   }
 }
 
+variable "insights_config" {
+  description = "The insights_config settings for the database."
+  type = object({
+    query_string_length     = number
+    record_application_tags = bool
+    record_client_address   = bool
+  })
+  default = null
+}
+
 variable "ip_configuration" {
   description = "The ip_configuration settings subblock"
   type = object({

modules/safer_mysql/README.md

@@ -184,6 +184,7 @@ mysql -S $HOME/mysql_sockets/myproject:region:instance -u user -p
 | disk\_size | The disk size for the master instance | `number` | `10` | no |
 | disk\_type | The disk type for the master instance. | `string` | `"PD_SSD"` | no |
 | encryption\_key\_name | The full path to the encryption key used for the CMEK disk encryption | `string` | `null` | no |
+| insights\_config | The insights\_config settings for the database. | <pre>object({<br>    query_string_length     = number<br>    record_application_tags = bool<br>    record_client_address   = bool<br>  })</pre> | `null` | no |
 | maintenance\_window\_day | The day of week (1-7) for the master instance maintenance. | `number` | `1` | no |
 | maintenance\_window\_hour | The hour of day (0-23) maintenance window for the master instance maintenance. | `number` | `23` | no |
 | maintenance\_window\_update\_track | The update track of maintenance window for the master instance maintenance. Can be either `canary` or `stable`. | `string` | `"stable"` | no |

modules/safer_mysql/main.tf

@@ -42,6 +42,8 @@ module "safer_mysql" {
 
   backup_configuration = var.backup_configuration
 
+  insights_config = var.insights_config
+
   ip_configuration = {
     ipv4_enabled = var.assign_public_ip
     # We never set authorized networks, we need all connections via the

modules/safer_mysql/variables.tf

@@ -296,3 +296,13 @@ variable "encryption_key_name" {
   type        = string
   default     = null
 }
+
+variable "insights_config" {
+  description = "The insights_config settings for the database."
+  type = object({
+    query_string_length     = number
+    record_application_tags = bool
+    record_client_address   = bool
+  })
+  default = null
+}