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Create virtual endpoints for read replicas with Terraform

  • Artikkeli

Using Terraform, you can create and manage virtual endpoints for read replicas in Azure Database for PostgreSQL—Flexible Server. Terraform is an open-source infrastructure-as-code tool that allows you to define and provision infrastructure using a high-level configuration language.

Prerequisites

Before you begin, ensure you have the following:

Ensure you have a basic understanding of Terraform syntax and Azure resource provisioning.

Configuring virtual endpoints

Follow these steps to create virtual endpoints for read replicas in Azure Database for PostgreSQL - Flexible Server:

Initialize the Terraform configuration

Create a main.tf file and define the Azure provider.

provider "azurerm" {
  features {}
}

resource "azurerm_resource_group" "example" {
  name     = "example-resources"
  location = "East US"
}

Create the primary Azure Database for PostgreSQL

Define the primary PostgreSQL server resource.

resource "azurerm_postgresql_flexible_server" "primary" {
  name                = "primary-server"
  resource_group_name = azurerm_resource_group.example.name
  location            = azurerm_resource_group.example.location
  version             = "12"
  administrator_login = "adminuser"
  administrator_password = "password"
  sku_name            = "Standard_D4s_v3"

  storage_mb = 32768
  backup_retention_days = 7
  geo_redundant_backup = "Disabled"
  high_availability {
    mode = "ZoneRedundant"
  }
}

Create read replicas

Define the read replicas for the primary server.

resource "azurerm_postgresql_flexible_server" "replica" {
  name                = "replica-server"
  resource_group_name = azurerm_resource_group.example.name
  location            = azurerm_resource_group.example.location
  source_server_id    = azurerm_postgresql_flexible_server.primary.id
}

Configure virtual endpoints

To configure virtual endpoints, define the necessary resources.

resource "azurerm_postgresql_flexible_server_virtual_endpoint" "example" {
  name                = "example-virtual-endpoint"
  resource_group_name = azurerm_resource_group.example.name
  server_name         = azurerm_postgresql_flexible_server.primary.name
}

Apply the configuration

Initialize Terraform and apply the configuration.

terraform init
terraform apply

Confirm the apply action when prompted. Terraform provisions the resources and configures the virtual endpoints as specified.

Share your suggestions and bugs with the Azure Database for PostgreSQL product team.

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