Add vultr DNS authenticator plugin documentation

Author: Thomas Cuthbert

README.md

@@ -142,7 +142,7 @@ Container images are configured using parameters passed at runtime (such as thos
 | `-e SUBDOMAINS=www,` | Subdomains you'd like the cert to cover (comma separated, no spaces) ie. `www,ftp,cloud`. For a wildcard cert, set this _exactly_ to `wildcard` (wildcard cert is available via `dns` and `duckdns` validation only) |
 | `-e VALIDATION=http` | Certbot validation method to use, options are `http`, `dns` or `duckdns` (`dns` method also requires `DNSPLUGIN` variable set) (`duckdns` method requires `DUCKDNSTOKEN` variable set, and the `SUBDOMAINS` variable must be either empty or set to `wildcard`). |
 | `-e CERTPROVIDER=` | Optionally define the cert provider. Set to `zerossl` for ZeroSSL certs (requires existing [ZeroSSL account](https://app.zerossl.com/signup) and the e-mail address entered in `EMAIL` env var). Otherwise defaults to Let's Encrypt. |
-| `-e DNSPLUGIN=cloudflare` | Required if `VALIDATION` is set to `dns`. Options are `aliyun`, `cloudflare`, `cloudxns`, `cpanel`, `digitalocean`, `directadmin`, `dnsimple`, `dnsmadeeasy`, `domeneshop`, `gandi`, `gehirn`, `google`, `hetzner`, `inwx`, `linode`, `luadns`, `netcup`, `njalla`, `nsone`, `ovh`, `rfc2136`, `route53`, `sakuracloud` and `transip`. Also need to enter the credentials into the corresponding ini (or json for some plugins) file under `/config/dns-conf`. |
+| `-e DNSPLUGIN=cloudflare` | Required if `VALIDATION` is set to `dns`. Options are `aliyun`, `cloudflare`, `cloudxns`, `cpanel`, `digitalocean`, `directadmin`, `dnsimple`, `dnsmadeeasy`, `domeneshop`, `gandi`, `gehirn`, `google`, `hetzner`, `inwx`, `linode`, `luadns`, `netcup`, `njalla`, `nsone`, `ovh`, `rfc2136`, `route53`, `sakuracloud`, `transip` and `vultr`. Also need to enter the credentials into the corresponding ini (or json for some plugins) file under `/config/dns-conf`. |
 | `-e PROPAGATION=` | Optionally override (in seconds) the default propagation time for the dns plugins. |
 | `-e DUCKDNSTOKEN=` | Required if `VALIDATION` is set to `duckdns`. Retrieve your token from https://www.duckdns.org |
 | `-e EMAIL=` | Optional e-mail address used for cert expiration notifications (Required for ZeroSSL). |
@@ -326,6 +326,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **12.04.21:** - Add support for vultr dns validation.
 * **14.03.21:** - Add support for directadmin dns validation.
 * **12.02.21:** - Clean up rust/cargo cache, which ballooned the image size in the last couple of builds.
 * **10.02.21:** - Fix aliyun, domeneshop, inwx and transip dns confs for existing users.

readme-vars.yml

@@ -51,7 +51,7 @@ cap_add_param_vars:
 opt_param_usage_include_env: true
 opt_param_env_vars:
   - { env_var: "CERTPROVIDER", env_value: "", desc: "Optionally define the cert provider. Set to `zerossl` for ZeroSSL certs (requires existing [ZeroSSL account](https://app.zerossl.com/signup) and the e-mail address entered in `EMAIL` env var). Otherwise defaults to Let's Encrypt." }
-  - { env_var: "DNSPLUGIN", env_value: "cloudflare", desc: "Required if `VALIDATION` is set to `dns`. Options are `aliyun`, `cloudflare`, `cloudxns`, `cpanel`, `digitalocean`, `directadmin`, `dnsimple`, `dnsmadeeasy`, `domeneshop`, `gandi`, `gehirn`, `google`, `hetzner`, `inwx`, `linode`, `luadns`, `netcup`, `njalla`, `nsone`, `ovh`, `rfc2136`, `route53`, `sakuracloud` and `transip`. Also need to enter the credentials into the corresponding ini (or json for some plugins) file under `/config/dns-conf`." }
+  - { env_var: "DNSPLUGIN", env_value: "cloudflare", desc: "Required if `VALIDATION` is set to `dns`. Options are `aliyun`, `cloudflare`, `cloudxns`, `cpanel`, `digitalocean`, `directadmin`, `dnsimple`, `dnsmadeeasy`, `domeneshop`, `gandi`, `gehirn`, `google`, `hetzner`, `inwx`, `linode`, `luadns`, `netcup`, `njalla`, `nsone`, `ovh`, `rfc2136`, `route53`, `sakuracloud`, `transip` and `vultr`. Also need to enter the credentials into the corresponding ini (or json for some plugins) file under `/config/dns-conf`." }
   - { env_var: "PROPAGATION", env_value: "", desc: "Optionally override (in seconds) the default propagation time for the dns plugins." }
   - { env_var: "DUCKDNSTOKEN", env_value: "", desc: "Required if `VALIDATION` is set to `duckdns`. Retrieve your token from https://www.duckdns.org" }
   - { env_var: "EMAIL", env_value: "", desc: "Optional e-mail address used for cert expiration notifications (Required for ZeroSSL)." }
@@ -151,6 +151,7 @@ app_setup_nginx_reverse_proxy_block: ""
 
 # changelog
 changelogs:
+  - { date: "12.04.21:", desc: "Add support for vultr dns validation." }
   - { date: "14.03.21:", desc: "Add support for directadmin dns validation." }
   - { date: "12.02.21:", desc: "Clean up rust/cargo cache, which ballooned the image size in the last couple of builds." }
   - { date: "10.02.21:", desc: "Fix aliyun, domeneshop, inwx and transip dns confs for existing users." }