fe36861ada
X-Pack security supports built-in authentication service `token-service` that allows access tokens to be used to access Elasticsearch without using Basic authentication. The tokens are generated by `token-service` based on OAuth2 spec. The access token is a short-lived token (defaults to 20m) and refresh token with a lifetime of 24 hours, making them unsuitable for long-lived or recurring tasks where the system might go offline thereby failing refresh of tokens. This commit introduces a built-in authentication service `api-key-service` that adds support for long-lived tokens aka API keys to access Elasticsearch. The `api-key-service` is consulted after `token-service` in the authentication chain. By default, if TLS is enabled then `api-key-service` is also enabled. The service can be disabled using the configuration setting. The API keys:- - by default do not have an expiration but expiration can be configured where the API keys need to be expired after a certain amount of time. - when generated will keep authentication information of the user that generated them. - can be defined with a role describing the privileges for accessing Elasticsearch and will be limited by the role of the user that generated them - can be invalidated via invalidation API - information can be retrieved via a get API - that have been expired or invalidated will be retained for 1 week before being deleted. The expired API keys remover task handles this. Following are the API key management APIs:- 1. Create API Key - `PUT/POST /_security/api_key` 2. Get API key(s) - `GET /_security/api_key` 3. Invalidate API Key(s) `DELETE /_security/api_key` The API keys can be used to access Elasticsearch using `Authorization` header, where the auth scheme is `ApiKey` and the credentials, is the base64 encoding of API key Id and API key separated by a colon. Example:- ``` curl -H "Authorization: ApiKey YXBpLWtleS1pZDphcGkta2V5" http://localhost:9200/_cluster/health ``` Closes #34383 |
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| index.asciidoc | ||
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