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| 1 | +# Random suffix for globally unique Key Vault name |
| 2 | +resource "random_string" "kv_suffix" { |
| 3 | + length = 6 |
| 4 | + special = false |
| 5 | + upper = false |
| 6 | +} |
| 7 | + |
| 8 | +# Shared Key Vault for secrets management |
| 9 | +resource "azurerm_key_vault" "shared" { |
| 10 | + name = "kv-sticker-${var.env}-${random_string.kv_suffix.result}" |
| 11 | + location = azurerm_resource_group.shared.location |
| 12 | + resource_group_name = azurerm_resource_group.shared.name |
| 13 | + tenant_id = data.azurerm_client_config.current.tenant_id |
| 14 | + sku_name = "standard" |
| 15 | + soft_delete_retention_days = 7 |
| 16 | + purge_protection_enabled = false |
| 17 | + public_network_access_enabled = true |
| 18 | + rbac_authorization_enabled = true |
| 19 | + tags = local.tags |
| 20 | + |
| 21 | + network_acls { |
| 22 | + bypass = "AzureServices" |
| 23 | + default_action = "Allow" |
| 24 | + } |
| 25 | +} |
| 26 | + |
| 27 | +# Private Endpoint for Key Vault |
| 28 | +resource "azurerm_private_endpoint" "keyvault" { |
| 29 | + name = "pe-keyvault-${var.env}" |
| 30 | + location = azurerm_resource_group.shared.location |
| 31 | + resource_group_name = azurerm_resource_group.shared.name |
| 32 | + subnet_id = azurerm_subnet.private_endpoints.id |
| 33 | + tags = local.tags |
| 34 | + |
| 35 | + private_service_connection { |
| 36 | + name = "keyvault-connection" |
| 37 | + private_connection_resource_id = azurerm_key_vault.shared.id |
| 38 | + is_manual_connection = false |
| 39 | + subresource_names = ["vault"] |
| 40 | + } |
| 41 | + |
| 42 | + private_dns_zone_group { |
| 43 | + name = "keyvault-dns-group" |
| 44 | + private_dns_zone_ids = [azurerm_private_dns_zone.keyvault.id] |
| 45 | + } |
| 46 | +} |
| 47 | + |
| 48 | +# Role assignment for current user to manage secrets during deployment |
| 49 | +resource "azurerm_role_assignment" "keyvault_admin" { |
| 50 | + scope = azurerm_key_vault.shared.id |
| 51 | + role_definition_name = "Key Vault Secrets Officer" |
| 52 | + principal_id = data.azurerm_client_config.current.object_id |
| 53 | +} |
| 54 | + |
| 55 | +# Store Datadog API Key in Key Vault (shared across all services) |
| 56 | +resource "azurerm_key_vault_secret" "dd_api_key" { |
| 57 | + name = "dd-api-key" |
| 58 | + value = var.dd_api_key |
| 59 | + key_vault_id = azurerm_key_vault.shared.id |
| 60 | + tags = local.tags |
| 61 | + |
| 62 | + depends_on = [ |
| 63 | + azurerm_role_assignment.keyvault_admin, |
| 64 | + azurerm_private_endpoint.keyvault |
| 65 | + ] |
| 66 | +} |
| 67 | + |
| 68 | +# Store PostgreSQL admin password in Key Vault |
| 69 | +resource "random_password" "postgresql_admin_password" { |
| 70 | + length = 32 |
| 71 | + special = true |
| 72 | + override_special = "!#$%&*()-_=+[]{}<>:?" |
| 73 | +} |
| 74 | + |
| 75 | +resource "azurerm_key_vault_secret" "postgresql_admin_password" { |
| 76 | + name = "postgresql-admin-password" |
| 77 | + value = random_password.postgresql_admin_password.result |
| 78 | + key_vault_id = azurerm_key_vault.shared.id |
| 79 | + tags = local.tags |
| 80 | + |
| 81 | + depends_on = [ |
| 82 | + azurerm_role_assignment.keyvault_admin, |
| 83 | + azurerm_private_endpoint.keyvault |
| 84 | + ] |
| 85 | +} |
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