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Provide documentation and example output

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Sean Chittenden 2016-04-23 19:56:28 -07:00
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website/source/docs/config/index.html.md
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@ -200,9 +200,15 @@ For Consul, the following options are supported:
* `scheme` (optional) - "http" or "https" for talking to Consul.
* `check_timeout` (optional) - The check interval used to send health check
information to Consul. Defaults to "5s".
* `disable_registration` (optional) - If true, then Vault will not register
itself with Vault. Defaults to "false".
* `service` (optional) - The name of the service to register with Consul.
Defaults to "vault".
* `token` (optional) - An access token to use to write data to Consul.
* `max_parallel` (optional) - The maximum number of connections to Consul;
@ -230,6 +236,86 @@ settings](https://www.consul.io/docs/agent/encryption.html):
[key_file](https://www.consul.io/docs/agent/options.html#key_file) setting
in Consul.
```
// Sample Consul Backend configuration with local Consul Agent
backend "consul" {
// address MUST match Consul's `addresses.http` config value (or
// `addresses.https` depending on the scheme provided below).
address = "127.0.0.1:8500"
#address = "unix:///tmp/.consul.http.sock"
// scheme defaults to "http" (suitable for loopback and UNIX sockets), but
// should be "https" when Consul exists on a remote node (a non-standard
// deployment). All decryption happen within Vault so this value does not
// change Vault's Threat Model.
scheme = "http"
// token is a Consul ACL Token that has write privileges to the path
// specified below. Use of a Consul ACL Token is a best pracitce.
token = "[redacted]" // Vault's Consul ACL Token
// path must be writable by the Consul ACL Token
path = "vault/"
}
```
Once properly configured, an unsealed Vault installation should be available
on the network at `active.vault.service.consul`. Unsealed Vault instances in
the standby state are available at `standby.vault.service.consul`. All
unsealed Vault instances are available as healthy in the
`vault.service.consul` pool. Sealed Vault instances will mark themselves as
critical to avoid showing up by default in Consul's service discovery.
```
% dig active.vault.service.consul srv
; <<>> DiG 9.8.3-P1 <<>> active.vault.service.consul srv
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11331
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;active.vault.service.consul. IN SRV
;; ANSWER SECTION:
active.vault.service.consul. 0 IN SRV 1 1 8200 vault1.node.dc1.consul.
;; ADDITIONAL SECTION:
vault1.node.dc1.consul. 0 IN A 172.17.33.46
;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Apr 23 17:33:14 2016
;; MSG SIZE rcvd: 172
% dig +short standby.vault.service.consul srv
1 1 8200 vault3.node.dc1.consul.
1 1 8200 vault2.node.dc1.consul.
% dig +short vault.service.consul srv
1 1 8200 vault3.node.dc1.consul.
1 1 8200 vault1.node.dc1.consul.
1 1 8200 vault2.node.dc1.consul.
% dig +short vault.service.consul a
172.17.33.46
172.17.34.32
172.17.35.29
vault1% vault seal
% dig +short vault.service.consul srv
1 1 8200 vault3.node.dc1.consul.
1 1 8200 vault2.node.dc1.consul.
vault1% vault unseal
Key (will be hidden):
Sealed: false
Key Shares: 5
Key Threshold: 3
Unseal Progress: 0
% dig +short vault.service.consul srv
1 1 8200 vault1.node.dc1.consul.
1 1 8200 vault3.node.dc1.consul.
1 1 8200 vault2.node.dc1.consul.
```
#### Backend Reference: etcd (Community-Supported)
For etcd, the following options are supported: