我的 Terraform 服务主体在 Key Vault 上收到 403 访问错误,即使我为它添加了访问策略

时间:2021-07-19 07:43:08

标签: azure terraform azure-keyvault terraform-provider-azure

我正在通过 Terraform 改造 Key Vault。我还在该 Key Vault 中添加了一个秘密。 Terraform 使用服务主体。这是我得到的错误:

错误:检查现有秘密“saterradev-access-key”(密钥保管库“https://mykv.vault.azure.net/”)的存在:keyvault.BaseClient#GetSecret:响应请求失败:StatusCode=403 -- 原始错误:autorest/azure:服务返回错误。 Status=403 Code="Forbidden" Message="The user, group or application 'appid=2c8...;iss=https://sts.windows.net/a43...'没有秘密获得密钥权限vault 'mykvv;location=francecentral'。有关解决此问题的帮助,请参阅 https://go.microsoft.com/fwlink/?linkid=2125287" InnerError={"code":"AccessDenied"}

给定的没有授权的 appid 与我在访问策略中添加的相同(我检查了多次)。

我不明白为什么,我在创建密钥时为我的服务主体设置了访问策略。这是 Terraform 代码:​​

data "azurerm_client_config" "current" {}

resource "azurerm_key_vault" "key_vault" {
  name                       = "kv-${local.resource_name}"
  location                   = azurerm_resource_group.rg_project.location
  resource_group_name        = azurerm_resource_group.rg_project.name
  tenant_id                  = data.azurerm_client_config.current.tenant_id
  soft_delete_retention_days = 7
  sku_name                   = "standard"
  tags                       = var.tags
}

# give access to the SP of Terraform (else denied access to create secrets)
resource "azurerm_key_vault_access_policy" "terraform_sp_access" {
  key_vault_id = azurerm_key_vault.key_vault.id
  tenant_id    = data.azurerm_client_config.current.tenant_id
  object_id    = data.azurerm_client_config.current.client_id # use the client id (for SP) instead of the object id

  key_permissions = [
    "get", "list", "update", "create", "import", "delete", "recover", "backup", "restore",
  ]

  secret_permissions = [
    "get", "list", "delete", "recover", "backup", "restore", "set",
  ]

  certificate_permissions = [
    "get", "list", "update", "create", "import", "delete", "recover", "backup", "restore", "deleteissuers", "getissuers", "listissuers", "managecontacts", "manageissuers", "setissuers",
  ]
}

# give access to secrets to the managed identity of the function app
resource "azurerm_key_vault_access_policy" "azure_function_access" {
  key_vault_id = azurerm_key_vault.key_vault.id
  tenant_id    = data.azurerm_client_config.current.tenant_id
  object_id    = azurerm_function_app.func_linux_python.identity.0.principal_id

  secret_permissions = [
    "get",
    "list",
  ]
}

# store the main account storage primary access key (to be used when managed identity is not available)
resource "azurerm_key_vault_secret" "primary_account_storage_access_key" {
  key_vault_id = azurerm_key_vault.key_vault.id
  name         = "${azurerm_storage_account.main_storage.name}-access-key"
  value        = azurerm_storage_account.main_storage.primary_access_key
  depends_on   = [azurerm_key_vault_access_policy.terraform_sp_access]
}

有时部署有效,有时无效。我想不通为什么。我是在暗示 Key Vault 的默认软删除特性?

谢谢

1 个答案:

答案 0 :(得分:1)

您应该在 Terraform 资源中使用 data.azurerm_client_config.current.object_id 而不是 data.azurerm_client_config.current.client_id "azurerm_key_vault_access_policy" "terraform_sp_access"

resource "azurerm_key_vault_access_policy" "terraform_sp_access" {
  key_vault_id = azurerm_key_vault.key_vault.id
  tenant_id    = data.azurerm_client_config.current.tenant_id
  object_id    = data.azurerm_client_config.current.object_id

  key_permissions = [
    "get", "list", "update", "create", "import", "delete", "recover", "backup", "restore",
  ]

  secret_permissions = [
    "get", "list", "delete", "recover", "backup", "restore", "set",
  ]

  certificate_permissions = [
    "get", "list", "update", "create", "import", "delete", "recover", "backup", "restore", "deleteissuers", "getissuers", "listissuers", "managecontacts", "manageissuers", "setissuers",
  ]
}

这是对 azurerm Terraform 提供程序 Go 测试的参考。

https://github.com/terraform-providers/terraform-provider-azurerm/blob/be97ca6ab3913220a16eadb76fb7cbdccf711dff/azurerm/internal/services/keyvault/key_vault_access_policy_resource_test.go#L176