Add Digitalocean ddns support (#3748)

dns/ddclient/src/opnsense/mvc/app/controllers/OPNsense/DynDNS/forms/dialogAccount.xml

@@ -62,7 +62,7 @@
         <id>account.zone</id>
         <label>Zone</label>
         <type>text</type>
-        <style>optional_setting service_aws service_zoneedit1 service_cloudflare service_nsupdate service_gandi service_godaddy service_nfsn service_hetzner</style>
+        <style>optional_setting service_aws service_zoneedit1 service_cloudflare service_nsupdate service_gandi service_godaddy service_nfsn service_hetzner service_digitalocean</style>
         <help>Zone containing the host entry.</help>
     </field>
     <field>

dns/ddclient/src/opnsense/mvc/app/models/OPNsense/DynDNS/DynDNS.xml

@@ -46,6 +46,7 @@
                         <changeip>Changeip</changeip>
                         <cloudflare>Cloudflare</cloudflare>
                         <cloudns>ClouDNS</cloudns>
+                        <digitalocean>Digitalocean</digitalocean>
                         <dinahosting>dinahosting</dinahosting>
                         <dnsmadeeasy>DNS Made Easy (digicert)</dnsmadeeasy>
                         <dns-o-matic>DNS-O-Matic</dns-o-matic>

dns/ddclient/src/opnsense/service/templates/OPNsense/ddclient/ddclient.conf

@@ -36,7 +36,7 @@ use=cmd, cmd="/usr/local/opnsense/scripts/ddclient/checkip -t {{account.force_ss
 {%      if account.service == 'custom' %}
 protocol={{account.protocol}}, \
 server={{account.server}}, \
-{%      elif account.service == 'cloudflare' %}
+{%      elif account.service in ['cloudflare', 'digitalocean'] %}
 protocol={{account.service}}, \
 zone={{account.zone}}, \
 {%      elif account.service == 'cloudns' %}