Dan HeathandRobin Beck
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66 lines
2.1 KiB
Plaintext
66 lines
2.1 KiB
Plaintext
---
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layout: docs
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page_title: Host set resource
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description: >-
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Learn about using the host set resource to organize and manage hosts that have the same level of access control and belong to the same host catalog.
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---
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# Host sets
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A host set is a resource
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that represents a collection of [hosts][]
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which are considered equivalent
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for the purposes of access control.
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A host set can only include hosts
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from the same [host catalog][] as the host set.
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A [target][] can reference host sets from host catalogs
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which belong to the same [project][] as the target.
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## Attributes
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A host set has the following configurable attributes:
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- `name` - (optional)
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If set, the `name` must be unique within the host set's parent host catalog.
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- `description` - (optional)
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- `preferred_endpoints` - (optional)
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A list of selector strings in the format of either `cidr:<valid IPv4/6 CIDR>`
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or `dns:<globbed name>` used to select the addresses of hosts when
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establishing a [session][] with a target.
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### Plugin host set attributes
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- `attributes` - (optional)
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A collection of fields which the plugin uses to lookup which hosts should be
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members of this host set. Often this includes a type of filter using a
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syntax which is usable by the backing service.
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- `sync_interval_seconds` - (optional)
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The number of seconds between the time boundary syncs the hosts in this
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set using this host set's plugin. Defaults to `600` seconds, or 10 minutes.
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## Referenced by
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- [Host][]
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- [Host catalog][]
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- [Target][]
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[host catalog]: /boundary/docs/domain-model/host-catalogs
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[host catalogs]: /boundary/docs/domain-model/host-catalogs
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[host]: /boundary/docs/domain-model/hosts
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[hosts]: /boundary/docs/domain-model/hosts
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[project]: /boundary/docs/domain-model/scopes#projects
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[projects]: /boundary/docs/domain-model/scopes#projects
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[session]: /boundary/docs/domain-model/sessions
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[sessions]: /boundary/docs/domain-model/sessions
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[target]: /boundary/docs/domain-model/targets
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[targets]: /boundary/docs/domain-model/targets
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## Service API docs
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The following services are relevant to this resource:
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- [Host set service](/boundary/api-docs/host-set-service)
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