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422 lines
12 KiB
Plaintext
---
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layout: api
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page_title: Legacy ACLs - HTTP API
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description: >-
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The /acl endpoints create, update, destroy, and query Legacy ACL tokens in
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Consul.
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---
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-> **Consul 1.4.0 deprecates the legacy ACL system completely.** It's _strongly_
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recommended you do not build anything using the legacy system and consider using
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the new ACL [Token](/docs/api/acl-token) and [Policy](/docs/api/acl-policy) APIs instead.
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# ACL HTTP API
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These `/acl` endpoints create, update, destroy, and query ACL tokens in Consul. For more information about ACLs, please check the
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[ACL tutorial](https://learn.hashicorp.com/tutorials/consul/access-control-setup-production).
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## Bootstrap ACLs
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This endpoint does a special one-time bootstrap of the ACL system, making the first
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management token if the [`acl_master_token`](/docs/agent/options#acl_master_token)
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is not specified in the Consul server configuration, and if the cluster has not been
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bootstrapped previously. This is available in Consul 0.9.1 and later, and requires all
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Consul servers to be upgraded in order to operate.
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This provides a mechanism to bootstrap ACLs without having any secrets present in Consul's
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configuration files.
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| Method | Path | Produces |
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| ------ | ---------------- | ------------------ |
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| `PUT` | `/acl/bootstrap` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
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[consistency modes](/api/features/consistency),
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[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
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| ---------------- | ----------------- | ------------- | ------------ |
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| `NO` | `none` | `none` | `none` |
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### Sample Request
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```shell-session
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$ curl \
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--request PUT \
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http://127.0.0.1:8500/v1/acl/bootstrap
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```
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### Sample Response
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```json
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{
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"ID": "adf4238a-882b-9ddc-4a9d-5b6758e4159e"
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}
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```
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You can detect if something has interfered with the ACL bootstrapping process by
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checking the response code. A 200 response means that the bootstrap was a success, and
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a 403 means that the cluster has already been bootstrapped, at which point you should
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consider the cluster in a potentially compromised state.
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The returned token will be a management token which can be used to further configure the
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ACL system. Please check the
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[ACL tutorial](https://learn.hashicorp.com/tutorials/consul/access-control-setup-production) for more details.
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## Create ACL Token
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This endpoint makes a new ACL token.
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| Method | Path | Produces |
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| ------ | ------------- | ------------------ |
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| `PUT` | `/acl/create` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
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[consistency modes](/api/features/consistency),
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[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
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| ---------------- | ----------------- | ------------- | ------------ |
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| `NO` | `none` | `none` | `management` |
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### Parameters
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- `ID` `(string: "")` - Specifies the ID of the ACL. If not provided, a UUID is
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generated.
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- `Name` `(string: "")` - Specifies a human-friendly name for the ACL token.
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- `Type` `(string: "client")` - Specifies the type of ACL token. Valid values
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are: `client` and `management`.
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- `Rules` `(string: "")` - Specifies rules for this ACL token. The format of the
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`Rules` property is documented in the [ACL tutorial](https://learn.hashicorp.com/tutorials/consul/access-control-setup-production).
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### Sample Payload
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```json
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{
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"Name": "my-app-token",
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"Type": "client",
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"Rules": ""
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}
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```
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### Sample Request
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```shell-session
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$ curl \
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--request PUT \
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--data @payload.json \
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http://127.0.0.1:8500/v1/acl/create
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```
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### Sample Response
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```json
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{
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"ID": "adf4238a-882b-9ddc-4a9d-5b6758e4159e"
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}
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```
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## Update ACL Token
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This endpoint is used to modify the policy for a given ACL token. Instead of
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generating a new token ID, the `ID` field must be provided.
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| Method | Path | Produces |
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| ------ | ------------- | ------------------ |
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| `PUT` | `/acl/update` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
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[consistency modes](/api/features/consistency),
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[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
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| ---------------- | ----------------- | ------------- | ------------ |
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| `NO` | `none` | `none` | `management` |
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### Parameters
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The parameters are the same as the _create_ endpoint, except the `ID` field is
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required.
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### Sample Payload
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```json
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{
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"ID": "adf4238a-882b-9ddc-4a9d-5b6758e4159e",
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"Name": "my-app-token-updated",
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"Type": "client",
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"Rules": "# New Rules"
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}
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```
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### Sample Request
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```shell-session
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$ curl \
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--request PUT \
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--data @payload.json \
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http://127.0.0.1:8500/v1/acl/update
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```
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### Sample Response
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```json
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{
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"ID": "adf4238a-882b-9ddc-4a9d-5b6758e4159e"
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}
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```
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## Delete ACL Token
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This endpoint deletes an ACL token with the given ID.
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| Method | Path | Produces |
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| ------ | -------------------- | ------------------ |
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| `PUT` | `/acl/destroy/:uuid` | `application/json` |
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Even though the return type is application/json, the value is either true or false, indicating whether the delete succeeded.
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
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[consistency modes](/api/features/consistency),
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[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
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| ---------------- | ----------------- | ------------- | ------------ |
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| `NO` | `none` | `none` | `management` |
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### Parameters
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- `uuid` `(string: <required>)` - Specifies the UUID of the ACL token to
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destroy. This is required and is specified as part of the URL path.
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### Sample Request
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```shell-session
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$ curl \
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--request PUT \
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http://127.0.0.1:8500/v1/acl/destroy/8f246b77-f3e1-ff88-5b48-8ec93abf3e05
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```
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### Sample Response
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```text
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true
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```
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## Read ACL Token
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This endpoint reads an ACL token with the given ID.
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| Method | Path | Produces |
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| ------ | ----------------- | ------------------ |
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| `GET` | `/acl/info/:uuid` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
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[consistency modes](/api/features/consistency),
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[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
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| ---------------- | ----------------- | ------------- | ------------ |
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| `YES` | `all` | `none` | `none` |
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Note: No ACL is required because the ACL is specified in the URL path.
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### Parameters
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- `uuid` `(string: <required>)` - Specifies the UUID of the ACL token to
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read. This is required and is specified as part of the URL path.
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### Sample Request
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```shell-session
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$ curl \
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http://127.0.0.1:8500/v1/acl/info/8f246b77-f3e1-ff88-5b48-8ec93abf3e05
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```
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### Sample Response
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```json
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[
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{
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"CreateIndex": 3,
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"ModifyIndex": 3,
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"ID": "8f246b77-f3e1-ff88-5b48-8ec93abf3e05",
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"Name": "Client Token",
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"Type": "client",
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"Rules": "..."
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}
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]
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```
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## Clone ACL Token
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This endpoint clones an ACL and returns a new token `ID`. This allows a token to
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serve as a template for others, making it simple to generate new tokens without
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complex rule management.
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| Method | Path | Produces |
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| ------ | ------------------ | ------------------ |
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| `PUT` | `/acl/clone/:uuid` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
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[consistency modes](/api/features/consistency),
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[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
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| ---------------- | ----------------- | ------------- | ------------ |
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| `NO` | `none` | `none` | `management` |
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### Parameters
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- `uuid` `(string: <required>)` - Specifies the UUID of the ACL token to
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be cloned. This is required and is specified as part of the URL path.
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### Sample Request
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```shell-session
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$ curl \
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--request PUT \
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http://127.0.0.1:8500/v1/acl/clone/8f246b77-f3e1-ff88-5b48-8ec93abf3e05
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```
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### Sample Response
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```json
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{
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"ID": "adf4238a-882b-9ddc-4a9d-5b6758e4159e"
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}
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```
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## List ACLs
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This endpoint lists all the active ACL tokens.
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| Method | Path | Produces |
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| ------ | ----------- | ------------------ |
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| `GET` | `/acl/list` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
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[consistency modes](/api/features/consistency),
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[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
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| ---------------- | ----------------- | ------------- | ------------ |
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| `YES` | `all` | `none` | `management` |
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### Sample Request
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```shell-session
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$ curl \
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http://127.0.0.1:8500/v1/acl/list
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```
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### Sample Response
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```json
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[
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{
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"CreateIndex": 3,
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"ModifyIndex": 3,
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"ID": "8f246b77-f3e1-ff88-5b48-8ec93abf3e05",
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"Name": "Client Token",
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"Type": "client",
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"Rules": "..."
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}
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]
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```
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## Check ACL Replication
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This endpoint returns the status of the ACL replication process in the
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datacenter. This is intended to be used by operators, or by automation checking
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the health of ACL replication.
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Please check the [ACL Replication tutorial](https://learn.hashicorp.com/tutorials/consul/access-control-replication-multiple-datacenters)
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for more details.
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| Method | Path | Produces |
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| ------ | ------------------ | ------------------ |
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| `GET` | `/acl/replication` | `application/json` |
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The table below shows this endpoint's support for
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[blocking queries](/api/features/blocking),
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[consistency modes](/api/features/consistency),
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[agent caching](/api/features/caching), and
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[required ACLs](/api#authentication).
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| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
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| ---------------- | ----------------- | ------------- | ------------ |
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| `NO` | `consistent` | `none` | `none` |
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### Parameters
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- `dc` `(string: "")` - Specifies the datacenter to query. This will default to
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the datacenter of the agent being queried. This is specified as part of the
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URL as a query parameter.
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### Sample Request
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```shell-session
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$ curl \
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http://127.0.0.1:8500/v1/acl/replication
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```
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### Sample Response
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```json
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{
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"Enabled": true,
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"Running": true,
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"SourceDatacenter": "dc1",
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"ReplicatedIndex": 1976,
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"LastSuccess": "2016-08-05T06:28:58Z",
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"LastError": "2016-08-05T06:28:28Z"
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}
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```
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- `Enabled` reports whether ACL replication is enabled for the datacenter.
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- `Running` reports whether the ACL replication process is running. The process
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may take approximately 60 seconds to begin running after a leader election
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occurs.
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- `SourceDatacenter` is the authoritative ACL datacenter that ACLs are being
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replicated from, and will match the
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[`primary_datacenter`](/docs/agent/options#primary_datacenter) configuration.
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- `ReplicatedIndex` is the last index that was successfully replicated. You can
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compare this to the `X-Consul-Index` header returned by the
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[`/v1/acl/list`](#list-acls) endpoint to determine if the replication process
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has gotten all available ACLs. Replication runs as a background process
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approximately every 30 seconds, and that local updates are rate limited to 100
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updates/second, so so it may take several minutes to perform the initial sync
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of a large set of ACLs. After the initial sync, replica lag should be on the
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order of about 30 seconds.
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- `LastSuccess` is the UTC time of the last successful sync operation. Since ACL
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replication is done with a blocking query, this may not update for up to 5
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minutes if there have been no ACL changes to replicate. A zero value of
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"0001-01-01T00:00:00Z" will be present if no sync has been successful.
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- `LastError` is the UTC time of the last error encountered during a sync
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operation. If this time is later than `LastSuccess`, you can assume the
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replication process is not in a good state. A zero value of
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"0001-01-01T00:00:00Z" will be present if no sync has resulted in an error.
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