» consul_nodes

The consul_nodes data source returns a list of Consul nodes that have been registered with the Consul cluster in a given datacenter. By specifying a different datacenter in the query_options it is possible to retrieve a list of nodes from a different WAN-attached Consul datacenter.

» Example Usage

data "consul_nodes" "read-dc1-nodes" {
  query_options {
    # Optional parameter: implicitly uses the current datacenter of the agent
    datacenter = "dc1"
  }
}

# Set the description to a whitespace delimited list of the node names
resource "example_resource" "app" {
  description = "${join(" ", formatlist("%s", data.consul_nodes.node_names))}"

  # ...
}

» Argument Reference

The following arguments are supported:

  • datacenter - (Optional) The Consul datacenter to query. Defaults to the same value found in query_options parameter specified below, or if that is empty, the datacenter value found in the Consul agent that this provider is configured to talk to then the datacenter in the provider setup.

  • query_options - (Optional) See below.

The query_options block supports the following:

  • allow_stale - (Optional) When true, the default, allow responses from Consul servers that are followers.

  • require_consistent - (Optional) When true force the client to perform a read on at least quorum servers and verify the result is the same. Defaults to false.

  • token - (Optional) Specify the Consul ACL token to use when performing the request. This defaults to the same API token configured by the consul provider but may be overriden if necessary.

  • wait_index - (Optional) Index number used to enable blocking quereis.

  • wait_time - (Optional) Max time the client should wait for a blocking query to return.

» Attributes Reference

The following attributes are exported:

  • datacenter - The datacenter the keys are being read from to.
  • node_ids - A list of the Consul node IDs.
  • node_names - A list of the Consul node names.
  • nodes - A list of nodes and details about each Consul agent. The list of per-node attributes is detailed below.

The following is a list of the per-node attributes contained within the nodes map:

  • id - The Node ID of the Consul agent.
  • meta - Node meta data tag information, if any.
  • name - The name of the Consul node.
  • address - The IP address the node is advertising to the Consul cluster.
  • tagged_addresses - List of explicit LAN and WAN IP addresses for the agent.