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Consul ACL Set Agent Token

Command: consul acl set-agent-token

Corresponding HTTP API Endpoint: [PUT] /v1/agent/token/:type

This command updates the ACL tokens currently in use by the agent. It can be used to introduce ACL tokens to the agent for the first time, or to update tokens that were initially loaded from the agent's configuration. Tokens are not persisted unless acl.enable_token_persistence is true, so tokens will need to be updated again if that option is false and the agent is restarted.

The table below shows this command's required ACLs. Configuration of blocking queries and agent caching are not supported from commands, but may be from the corresponding HTTP endpoint.

ACL Required
acl:write

Usage

Usage: consul acl set-agent-token [options] token_type token_secret_id

The token types are:

  • agent - The token that the agent will use for internal agent operations. If not given then the default token is used for these operations.

  • dns - Specifies the token that agents use to request information needed to respond to DNS queries. If the dns token is not set, Consul uses the default token by default. Because the default token allows unauthenticated HTTP API access to list nodes and services, we strongly recommend using the dns token. Create DNS tokens using the templated policy option to ensure that the token has the permissions needed to respond to all DNS queries.

  • config_file_service_registration - This is the token that the agent uses to register services and checks defined in config files. This token needs to be configured with write permissions for the services or checks being registered. If not set, the default token is used. If a service or check definition contains a token field, then that token is used to register that service or check instead of the config_file_service_registration token.

  • replication - This is the token that the agent uses for replication operations. This token must be configured with read access to all data that the agent replicates.

  • recovery - This sets the token that allows access to the agent APIs when the ACL datacenter is unreachable.

  • default - The default token is the token that the agent uses for both internal agent operations and operations initiated by the HTTP and DNS interfaces when no specific token is provided. If not set the agent uses the anonymous token.

API Options

  • -ca-file=<value> - Path to a CA file to use for TLS when communicating with Consul. This can also be specified via the CONSUL_CACERT environment variable.

  • -ca-path=<value> - Path to a directory of CA certificates to use for TLS when communicating with Consul. This can also be specified via the CONSUL_CAPATH environment variable.

  • -client-cert=<value> - Path to a client cert file to use for TLS when verify_incoming is enabled. This can also be specified via the CONSUL_CLIENT_CERT environment variable.

  • -client-key=<value> - Path to a client key file to use for TLS when verify_incoming is enabled. This can also be specified via the CONSUL_CLIENT_KEY environment variable.

  • -http-addr=<addr> - Address of the Consul agent with the port. This can be an IP address or DNS address, but it must include the port. This can also be specified via the CONSUL_HTTP_ADDR environment variable. In Consul 0.8 and later, the default value is http://127.0.0.1:8500, and https can optionally be used instead. The scheme can also be set to HTTPS by setting the environment variable CONSUL_HTTP_SSL=true. This may be a unix domain socket using unix:///path/to/socket if the agent is configured to listen that way.

  • -tls-server-name=<value> - The server name to use as the SNI host when connecting via TLS. This can also be specified via the CONSUL_TLS_SERVER_NAME environment variable.

  • -token=<value> - ACL token to use in the request. This can also be specified via the CONSUL_HTTP_TOKEN environment variable. If unspecified, the query will default to the token of the Consul agent at the HTTP address.

  • -token-file=<value> - File containing the ACL token to use in the request instead of one specified via the -token argument or CONSUL_HTTP_TOKEN environment variable. This can also be specified via the CONSUL_HTTP_TOKEN_FILE environment variable.

  • -datacenter=<name> - Name of the datacenter to query. If unspecified, the query will default to the datacenter of the Consul agent at the HTTP address.

  • -stale - Permit any Consul server (non-leader) to respond to this request. This allows for lower latency and higher throughput, but can result in stale data. This option has no effect on non-read operations. The default value is false.

Examples

Set the default token:

$ consul acl set-agent-token default c4d0f8df-3aba-4ab6-a7a0-35b760dc29a1
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