# Google Secret Manager variable resolver

### Functionality

This variable resolver can retrieve secrets from Google Secret Manager.

Here are the options to use:

* Project ID: The project ID to reference.
* Location ID: The location ID (Optional)

The variable expression you can resolve with this plugin type is (as always) in the following format:

`#{name:secret-id:value-key}`

* name: the name of the variable resolver metadata element to use
* path-key: the ID of the secret to retrieve.
* value-key: the key of the value to retrieve in case the value is JSON.

In case we don’t specify a `value-key`, you will give back the complete string of the secret.

### Example

Suppose we have a secret defined in JSON format in Secret Manager:

image:metadata-types/variable-resolver/gcp-secret-manager-server.png

We can define a connection called `google-secret` and retrieve values with expressions:

* `#{google-secret:json-secret:hostname}` : localhost
* `#{google-secret:json-secret:username}` : john
* `#{google-secret:json-secret}` : `{"db":"test","hostname":"localhost","password":"some-password","port":"3306","username":"john"}`


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