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Azure SQL

Changelog Notice Apache V2 License OpenTofu Registry

This Terraform module creates an Azure SQL Server and associated databases in an optional SQL Elastic Pool with DTU purchasing model or vCore purchasing model only along with Firewall rules and Diagnostic settings enabled.

Global versioning rule for Claranet Azure modules

Module version Terraform version OpenTofu version AzureRM version
>= 8.x.x Unverified 1.8.x >= 4.0
>= 7.x.x 1.3.x >= 3.0
>= 6.x.x 1.x >= 3.0
>= 5.x.x 0.15.x >= 2.0
>= 4.x.x 0.13.x / 0.14.x >= 2.0
>= 3.x.x 0.12.x >= 2.0
>= 2.x.x 0.12.x < 2.0
< 2.x.x 0.11.x < 2.0

Contributing

If you want to contribute to this repository, feel free to use our pre-commit git hook configuration which will help you automatically update and format some files for you by enforcing our Terraform code module best-practices.

More details are available in the CONTRIBUTING.md file.

Usage

This module is optimized to work with the Claranet terraform-wrapper tool which set some terraform variables in the environment needed by this module. More details about variables set by the terraform-wrapper available in the documentation.

⚠️ Since modules version v8.0.0, we do not maintain/check anymore the compatibility with Hashicorp Terraform. Instead, we recommend to use OpenTofu.

module "azure_region" {
  source  = "claranet/regions/azurerm"
  version = "x.x.x"

  azure_region = var.azure_region
}

module "rg" {
  source  = "claranet/rg/azurerm"
  version = "x.x.x"

  location    = module.azure_region.location
  client_name = var.client_name
  environment = var.environment
  stack       = var.stack
}

module "logs" {
  source  = "claranet/run/azurerm//modules/logs"
  version = "x.x.x"

  client_name         = var.client_name
  environment         = var.environment
  stack               = var.stack
  location            = module.azure_region.location
  location_short      = module.azure_region.location_short
  resource_group_name = module.rg.resource_group_name
}

resource "random_password" "admin_password" {
  special          = true
  override_special = "#$%&-_+{}<>:"
  upper            = true
  lower            = true
  number           = true
  length           = 32
}

# Elastic Pool
module "sql_elastic" {
  source  = "claranet/db-sql/azurerm"
  version = "x.x.x"

  client_name         = var.client_name
  environment         = var.environment
  location            = module.azure_region.location
  location_short      = module.azure_region.location_short
  stack               = var.stack
  resource_group_name = module.rg.resource_group_name

  administrator_login    = "adminsqltest"
  administrator_password = random_password.admin_password.result
  create_databases_users = true

  elastic_pool_enabled  = true
  elastic_pool_max_size = "50"
  elastic_pool_sku = {
    tier     = "GeneralPurpose"
    capacity = 2
  }

  logs_destinations_ids = [
    module.logs.log_analytics_workspace_id,
    module.logs.logs_storage_account_id,
  ]

  databases = [
    {
      name        = "db1"
      max_size_gb = 50
    },
    {
      name        = "db2"
      max_size_gb = 180
    }
  ]

  custom_users = [
    {
      database = "db1"
      name     = "db1_custom1"
      roles    = ["db_accessadmin", "db_securityadmin"]
    },
    {
      database = "db1"
      name     = "db1_custom2"
      roles    = ["db_accessadmin", "db_securityadmin"]
    },
    {
      database = "db2"
      name     = "db2_custom1"
      roles    = []
    },
    {
      database = "db2"
      name     = "db2_custom2"
      roles    = ["db_accessadmin", "db_securityadmin"]
    }
  ]
}

# Single Database

module "sql_single" {
  source  = "claranet/db-sql/azurerm"
  version = "x.x.x"

  client_name         = var.client_name
  environment         = var.environment
  location            = module.azure_region.location
  location_short      = module.azure_region.location_short
  stack               = var.stack
  resource_group_name = module.rg.resource_group_name

  administrator_login    = "adminsqltest"
  administrator_password = random_password.admin_password.result
  create_databases_users = true

  elastic_pool_enabled = false

  logs_destinations_ids = [
    module.logs.log_analytics_workspace_id,
    module.logs.logs_storage_account_id,
  ]

  databases = [
    {
      name        = "db1"
      max_size_gb = 50
    },
    {
      name        = "db2"
      max_size_gb = 180
    }
  ]

  custom_users = [
    {
      database = "db1"
      name     = "db1_custom1"
      roles    = ["db_accessadmin", "db_securityadmin"]
    },
    {
      database = "db1"
      name     = "db1_custom2"
      roles    = ["db_accessadmin", "db_securityadmin"]
    },
    {
      database = "db2"
      name     = "db2_custom1"
      roles    = []
    },
    {
      database = "db2"
      name     = "db2_custom2"
      roles    = ["db_accessadmin", "db_securityadmin"]
    }
  ]
}

Providers

Name Version
azurecaf ~> 1.2, >= 1.2.22
azurerm ~> 3.39

Modules

Name Source Version
custom_users ./modules/databases_users n/a
databases_users ./modules/databases_users n/a
elastic_pool_db_logging claranet/diagnostic-settings/azurerm ~> 7.0.0
pool_logging claranet/diagnostic-settings/azurerm ~> 7.0.0
single_db_logging claranet/diagnostic-settings/azurerm ~> 7.0.0

Resources

Name Type
azurerm_mssql_database.elastic_pool_database resource
azurerm_mssql_database.single_database resource
azurerm_mssql_database_extended_auditing_policy.elastic_pool_db resource
azurerm_mssql_database_extended_auditing_policy.single_db resource
azurerm_mssql_elasticpool.elastic_pool resource
azurerm_mssql_firewall_rule.firewall_rule resource
azurerm_mssql_server.sql resource
azurerm_mssql_server_extended_auditing_policy.sql_server resource
azurerm_mssql_server_security_alert_policy.sql_server resource
azurerm_mssql_server_vulnerability_assessment.sql_server resource
azurerm_mssql_virtual_network_rule.vnet_rule resource
azurecaf_name.sql data source
azurecaf_name.sql_dbs data source
azurecaf_name.sql_pool data source

Inputs

Name Description Type Default Required
administrator_login Administrator login for SQL Server string n/a yes
administrator_password Administrator password for SQL Server string n/a yes
alerting_email_addresses List of email addresses to send reports for threat detection and vulnerability assesment list(string) [] no
allowed_cidr_list Allowed IP addresses to access the server in CIDR format. Default to all Azure services list(string)
[
"0.0.0.0/32"
]
no
allowed_subnets_ids List of Subnet ID to allow to connect to the SQL Instance list(string) [] no
azuread_administrator Azure AD Administrator configuration block of this SQL Server.
object({
login_username = optional(string)
object_id = optional(string)
tenant_id = optional(string)
azuread_authentication_only = optional(bool)
})
null no
backup_retention Definition of long term backup retention for all the databases in this SQL Server.
object({
weekly_retention = optional(number)
monthly_retention = optional(number)
yearly_retention = optional(number)
week_of_year = optional(number)
})
{} no
client_name Client name/account used in naming string n/a yes
connection_policy The connection policy the server will use. Possible values are Default, Proxy, and Redirect string "Default" no
create_databases_users True to create a user named _user on each database with generated password and role db_owner. bool true no
custom_diagnostic_settings_name Custom name of the diagnostics settings, name will be 'default' if not set. string "default" no
custom_users List of objects for custom users creation.
Password are generated.
These users are created within the "custom_users" submodule.
list(object({
name = string
database = string
roles = optional(list(string))
}))
[] no
databases List of the databases configurations for this server.
list(object({
name = string
license_type = optional(string)
sku_name = optional(string)
max_size_gb = optional(number)
create_mode = optional(string)
min_capacity = optional(number)
auto_pause_delay_in_minutes = optional(number)
read_scale = optional(string)
read_replica_count = optional(number)
creation_source_database_id = optional(string)
restore_point_in_time = optional(string)
recover_database_id = optional(string)
restore_dropped_database_id = optional(string)
collation = optional(string)
storage_account_type = optional(string, "Geo")
database_extra_tags = optional(map(string), {})
}))
[] no
databases_collation SQL Collation for the databases string "SQL_Latin1_General_CP1_CI_AS" no
databases_extended_auditing_enabled True to enable extended auditing for SQL databases bool false no
databases_extended_auditing_retention_days Databases extended auditing logs retention number 30 no
databases_zone_redundant True to have databases zone redundant, which means the replicas of the databases will be spread across multiple availability zones. This property is only settable for Premium and Business Critical databases. bool null no
default_tags_enabled Option to enable or disable default tags bool true no
elastic_pool_custom_name Name of the SQL Elastic Pool, generated if not set. string "" no
elastic_pool_databases_max_capacity The maximum capacity (DTU or vCore) any one database can consume in the Elastic Pool. Default to the max Elastic Pool capacity. number null no
elastic_pool_databases_min_capacity The minimum capacity (DTU or vCore) all databases are guaranteed in the Elastic Pool. Defaults to 0. number 0 no
elastic_pool_enabled True to deploy the databases in an ElasticPool, single databases are deployed otherwise. bool false no
elastic_pool_extra_tags Extra tags to add on ElasticPool map(string) {} no
elastic_pool_license_type Specifies the license type applied to this database. Possible values are LicenseIncluded and BasePrice string null no
elastic_pool_max_size Maximum size of the Elastic Pool in gigabytes string null no
elastic_pool_sku SKU for the Elastic Pool with tier and eDTUs capacity. Premium tier with zone redundancy is mandatory for high availability.
Possible values for tier are GeneralPurpose, BusinessCritical for vCore models and Basic, Standard, or Premium for DTU based models.
See https://docs.microsoft.com/en-us/azure/sql-database/sql-database-dtu-resource-limits-elastic-pools"
object({
tier = string,
capacity = number,
family = optional(string, "Gen5")
})
null no
elastic_pool_zone_redundant True to have the Elastic Pool zone redundant, SKU tier must be Premium to use it. This is mandatory for high availability. bool false no
environment Project environment string n/a yes
extra_tags Extra tags to add map(string) {} no
location Azure location for SQL Server. string n/a yes
location_short Short string for Azure location. string n/a yes
logs_categories Log categories to send to destinations. list(string) null no
logs_destinations_ids List of destination resources IDs for logs diagnostic destination.
Can be Storage Account, Log Analytics Workspace and Event Hub. No more than one of each can be set.
If you want to specify an Azure EventHub to send logs and metrics to, you need to provide a formated string with both the EventHub Namespace authorization send ID and the EventHub name (name of the queue to use in the Namespace) separated by the `
` character. list(string) n/a
logs_metrics_categories Metrics categories to send to destinations. list(string) null no
name_prefix Optional prefix for the generated name string "" no
name_suffix Optional suffix for the generated name string "" no
outbound_network_restriction_enabled Whether outbound network traffic is restricted for this server bool false no
point_in_time_backup_interval_in_hours The hours between each differential backup. This is only applicable to live databases but not dropped databases. Value has to be 12 or 24. Defaults to 12 hours. number 12 no
point_in_time_restore_retention_days Point In Time Restore configuration. Value has to be between 7 and 35 number 7 no
public_network_access_enabled True to allow public network access for this server bool false no
resource_group_name Resource group name string n/a yes
security_storage_account_access_key Storage Account access key used to store security logs and reports string null no
security_storage_account_blob_endpoint Storage Account blob endpoint used to store security logs and reports string null no
security_storage_account_container_name Storage Account container name where to store SQL Server vulneralibility assessment string null no
server_custom_name Name of the SQL Server, generated if not set. string "" no
server_extra_tags Extra tags to add on SQL Server or ElasticPool map(string) {} no
server_version Version of the SQL Server. Valid values are: 2.0 (for v11 server) and 12.0 (for v12 server). See https://www.terraform.io/docs/providers/azurerm/r/sql_server.html#version string "12.0" no
single_databases_sku_name Specifies the name of the SKU used by the database. For example, GP_S_Gen5_2, HS_Gen4_1, BC_Gen5_2. Use only if elastic_pool_enabled variable is set to false. More documentation here string "GP_Gen5_2" no
sql_server_extended_auditing_enabled True to enable extended auditing for SQL Server bool false no
sql_server_extended_auditing_retention_days Server extended auditing logs retention number 30 no
sql_server_security_alerting_enabled True to enable security alerting for this SQL Server bool false no
sql_server_vulnerability_assessment_enabled True to enable vulnerability assessment for this SQL Server bool false no
stack Project stack name string n/a yes
threat_detection_policy_disabled_alerts Specifies a list of alerts which should be disabled. Possible values include Access_Anomaly, Sql_Injection and Sql_Injection_Vulnerability list(string) [] no
threat_detection_policy_enabled True to enable thread detection policy on the databases bool false no
threat_detection_policy_retention_days Specifies the number of days to keep in the Threat Detection audit logs number 7 no
tls_minimum_version The TLS minimum version for all SQL Database associated with the server. Valid values are: 1.0, 1.1 and 1.2. string "1.2" no
use_caf_naming Use the Azure CAF naming provider to generate default resource name. server_custom_name and elastic_pool_custom_name override this if set. Legacy default name is used if this is set to false. bool true no
use_caf_naming_for_databases Use the Azure CAF naming provider to generate databases names. bool false no

Outputs

Name Description
custom_databases_users Map of the custom SQL Databases users
custom_databases_users_roles Map of the custom SQL Databases users roles
default_administrator_databases_connection_strings Map of the SQL Databases with administrator credentials connection strings
default_databases_users Map of the SQL Databases dedicated users
identity Identity block with principal ID and tenant ID used for this SQL Server
security_alert_policy_id ID of the MS SQL Server Security Alert Policy
sql_administrator_login SQL Administrator login
sql_administrator_password SQL Administrator password
sql_databases SQL Databases
sql_databases_id Map of the SQL Databases IDs
sql_elastic_pool SQL Elastic Pool
sql_elastic_pool_id ID of the SQL Elastic Pool
sql_server SQL Server
terraform_module Information about this Terraform module
vulnerability_assessment_id ID of the MS SQL Server Vulnerability Assessment

Related documentation

Microsoft Azure root documentation: docs.microsoft.com/en-us/azure/sql-database/