66 lines
3.3 KiB
Markdown
66 lines
3.3 KiB
Markdown
# Fleet Server
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> **Warning**
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> This extension currently exists for preview purposes and should be considered **EXPERIMENTAL**. Expect regular changes
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> to the default Fleet settings, both in the Elastic Agent and Kibana.
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>
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> See [Known Issues](#known-issues) for a list of issues that need to be addressed before this extension can be
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> considered functional.
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Fleet provides central management capabilities for [Elastic Agents][fleet-doc] via an API and web UI served by Kibana,
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with Elasticsearch acting as the communication layer.
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Fleet Server is the central component which allows connecting Elastic Agents to the Fleet.
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## Usage
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To include Fleet Server in the stack, run Docker Compose from the root of the repository with an additional command line
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argument referencing the `fleet-compose.yml` file:
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```console
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$ docker-compose -f docker-compose.yml -f extensions/fleet/fleet-compose.yml up
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```
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## Configuring Fleet Server
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Fleet Server — like any Elastic Agent — is configured via [Agent Policies][fleet-pol] which can be either managed
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through the Fleet management UI in Kibana, or statically pre-configured inside the Kibana configuration file.
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To ease the enrollment of Fleet Server in this extension, docker-elk comes with a pre-configured Agent Policy for Fleet
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Server defined inside [`kibana/config/kibana.yml`][config-kbn].
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Please refer to the following documentation page for more details about configuring Fleet Server through the Fleet
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management UI: [Fleet UI Settings][fleet-cfg].
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## Known Issues
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- Logs and metrics are only collected within the Fleet Server's container. Ultimately, we want to emulate the behaviour
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of the existing Metricsbeat and Filebeat extensions, and collect logs and metrics from all ELK containers
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out-of-the-box. Unfortunately, this kind of use-case isn't (yet) well supported by Fleet, and most advanced
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configurations currently require running Elastic Agents in [standalone mode][fleet-standalone].
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(Relevant resource: [Migrate from Beats to Elastic Agent][fleet-beats])
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- The Elastic Agent auto-enrolls using the `elastic` super-user. With this approach, you do not need to generate a
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service token — either using the Fleet management UI or [CLI utility][es-svc-token] — prior to starting this
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extension. However convenient that is, this approach _does not follow security best practices_, and we recommend
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generating a service token for Fleet Server instead.
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## See also
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[Fleet and Elastic Agent Guide][fleet-doc]
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## Screenshots
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[fleet-doc]: https://www.elastic.co/guide/en/fleet/current/fleet-overview.html
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[fleet-pol]: https://www.elastic.co/guide/en/fleet/current/agent-policy.html
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[fleet-cfg]: https://www.elastic.co/guide/en/fleet/current/fleet-settings.html
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[config-kbn]: ../../kibana/config/kibana.yml
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[fleet-standalone]: https://www.elastic.co/guide/en/fleet/current/elastic-agent-configuration.html
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[fleet-beats]: https://www.elastic.co/guide/en/fleet/current/migrate-beats-to-agent.html
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[es-svc-token]: https://www.elastic.co/guide/en/elasticsearch/reference/current/service-tokens-command.html
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