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Secrets providers

ex_secrets 최신버젼 다운로드

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// repository documentation

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# ExSecrets

App config secret manager for different providers.

## Installation

Install by adding `ex_secrets` to your list of dependencies in `mix.exs`:

```elixir
def deps do
  [
    {:ex_secrets, "~> 0.3.0"}
  ]
end
```

## How it works

This library loads secrets on demand from APIs or files. For dotenv file, it is loaded at startup and saved in the cache.
Secrets are encrypted when store in the cache with a master key generated at startup. Enables developers to access keys securely.

Key features include:

- FETCH and SET secrets.
- Key fetch throttling.
- Authentications with providers like Azure Keyvault and Google Secrets manager and token renewals.
- Catching of secrets.
- Default key options.
- You can configure multiple secrets and access from different providers.
- RESET and RELOAD secrets without shutting down your application.

## Usage

### Get a secret

Secrets are first fetched using system environment. If found thats the value that is used. For this, no configuration is required.

```elixir
iex(1)> ExSecrets.get("FOO")
nil
iex(2)> System.put_env "FOO", "BAR"
:ok
iex(3)> ExSecrets.get("FOO")
"BAR"
iex(4)>
```

To overide secret fetch from system environment by default, Specify your own default provider.

```elixir
iex(1)> ExSecrets.get("FOO")
nil
iex(2)> Application.put_env(:ex_secrets, :default_provider, :dot_env)
:ok
iex(3)> ExSecrets.get("FOO")
nil
iex(4)> System.put_env "FOO", "BAR"
:ok
iex(5)> ExSecrets.get("FOO")
nil
iex(7)>
```

### Set Secret

You can set a new secret version using:

```elixir
iex(20)> ExSecrets.set("TEST", "test", provider: :azure_key_vault)
:ok
```

### Reset and Reload

To reset the secrets and reload, this will clear the cached values and reload doenv. For other providers, values will be fetched on demand.

```elixir
iex(20)> ExSecrets.reset()
:ok
```

## Supported Providers

You can configure:

- Dot env file
- Azure Keyvault
- Azure Managed Identity
- Google Secret Manager
- AWS Secret Manager

## Provider Config

Azure KeyVault configuration:

```elixir
  config :ex_secrets, :providers, %{
    azure_key_vault: %{
      tenant_id: "tenant-id",
      client_id: "client-id",
      client_secret: "client-secret",
      key_vault_name: "key-vault-name"
    }
  }
```

Using certificate. You can use `client_certificate_path` or `client_certificate_string`. See Azure keyvault provider section for more details

```elixir
  config :ex_secrets, :providers, %{
    azure_key_vault: %{
      tenant_id: "tenant-id",
      client_id: "client-id",
      client_certificate_path: "/path-to/mycert.key",
      client_certificate_string: "base 64 encoded string of the cert",
      client_certificate_x5t: "x5t of the cert",
      key_vault_name: "key-vault-name"
    }
  }
```

Azure Managed Identity Configuration:

```elixir
  config :ex_secrets, :providers, %{
    azure_managed_identity: %{
      key_vault_name: "key-vault-name"
    }
  }
  ```

Google Secret Manager

Using service account. You can use `service_account_credentials` or `service_account_credentials_path`. See Azure keyvault provider section for more details

```elixir
  config :ex_secrets, :providers, %{
    google_secret_manager: %{
      service_account_credentials: %{
        "type" => "service_account",
        "project_id" => "project-id",
        "private_key_id" => "key-id",
        "private_key" => "-----BEGIN PRIVATE KEY-----...-----END PRIVATE KEY-----\n",
        "client_email" => "secretaccess@project-id.iam.gserviceaccount.com",
        "client_id" => "client-id",
        "auth_uri" => "https://accounts.google.com/o/oauth2/auth",
        "token_uri" => "https://oauth2.googleapis.com/token",
        "auth_provider_x509_cert_url" => "https://www.googleapis.com/oauth2/v1/certs",
        "client_x509_cert_url" => "https://www.googleapis.com/robot/v1/metadata/x509/secretaccess%40project-id.iam.gserviceaccount.com",
        "universe_domain" => "googleapis.com"
        },
        service_account_credentials_path: "/path-to/cred.json"
    }
  }
```

AWS Secret Manager:

Using secret access key. Using instance role is coming soon.

```elixir
  config :ex_secrets, :providers, %{
        aws_secrets_manager: %{
          access_key_id: "taccess_key_id",
          secret_access_key: "secret_access_key"
        }
  }
  ```

Dotenv file:

```elixir
  config :ex_secrets, :providers, %{
    dot_env: %{path: "/path/.env"}
  }
  ```

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