8d970d97d3
replication_token always works together with authoritative_region, add a link for better doc.
48 lines
1.8 KiB
Plaintext
48 lines
1.8 KiB
Plaintext
---
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layout: docs
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page_title: acl Stanza - Agent Configuration
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description: >-
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The "acl" stanza configures the Nomad agent to enable ACLs and tune various
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parameters.
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---
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# `acl` Stanza
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<Placement groups={['acl']} />
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The `acl` stanza configures the Nomad agent to enable ACLs and tunes various
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ACL parameters. Learn more about configuring Nomad's ACL system in the [Secure
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Nomad with Access Control guide][secure-guide].
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```hcl
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acl {
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enabled = true
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token_ttl = "30s"
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policy_ttl = "60s"
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}
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```
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## `acl` Parameters
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- `enabled` `(bool: false)` - Specifies if ACL enforcement is enabled. All other
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ACL configuration options depend on this value.
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- `token_ttl` `(string: "30s")` - Specifies the maximum time-to-live (TTL) for
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cached ACL tokens. This does not affect servers, since they do not cache tokens.
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Setting this value lower reduces how stale a token can be, but increases
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the request load against servers. If a client cannot reach a server, for example
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because of an outage, the TTL will be ignored and the cached value used.
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- `policy_ttl` `(string: "30s")` - Specifies the maximum time-to-live (TTL) for
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cached ACL policies. This does not affect servers, since they do not cache policies.
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Setting this value lower reduces how stale a policy can be, but increases
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the request load against servers. If a client cannot reach a server, for example
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because of an outage, the TTL will be ignored and the cached value used.
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- `replication_token` `(string: "")` - Specifies the Secret ID of the ACL token
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to use for replicating policies and tokens. This is used by servers in non-authoritative
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region to mirror the policies and tokens into the local region from [authoritative_region][authoritative-region].
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[secure-guide]: https://learn.hashicorp.com/collections/nomad/access-control
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[authoritative-region]: /docs/configuration/server#authoritative_region
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