# GCP Secret Manager Hush Provider

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This package provides a [Hush]( Provider to resolve Google Cloud Platform's [Secret Manager]( secrets.

Documentation can be found at [](

## Installation

The package can be installed by adding `hush_gcp_secret_manager` to your list
of dependencies in `mix.exs`:

def deps do
    {:hush, "~> 1.0"},
    {:hush_gcp_secret_manager, "~> 1.1"}

This module relies on `goth` to fetch secrets from the Google Cloud Platform API. As such you need to configure goth which is used in `hush_gcp_secret_manager`, the configuration is the same as if you were to configure a child_spec as per [their documentation](

As the provider needs to start both applications, it needs to registered as a provider in `hush`, so that it gets loaded during startup.

# config/config.exs

alias Hush.Provider.GcpSecretManager

# ensure hush loads GcpSecretManager during startup
config :hush,
  providers: [GcpSecretManager]

config :hush_gcp_secret_manager,
  project_id: "my_project_id",
  goth: [name: MyApp.Goth, source: ...],
  goth_timeout: 5_000 # milliseconds

### GCP Authorization

In order to retrieve secrets from GCP, ensure the service account you use has the Secret Manager Secret Accessor role (`roles/secretmanager.secretAccessor`).

## Usage

The following example reads the password and the pool size for CloudSQL from secret manager into the ecto repo configuration.

# config/prod.exs

alias Hush.Provider.GcpSecretManager

config :app, App.Repo,
  password: {:hush, GcpSecretManager, "CLOUDSQL_PASSWORD"},
  pool_size: {:hush, GcpSecretManager, "ECTO_POOL_SIZE", cast: :integer, default: 10}

## License

Hush is released under the Apache License 2.0 - see the [LICENSE](LICENSE) file.