Update management documentation for ptgbot service

Since ptgbot has updated config management and deployment
orchestration now, update our operational docs to reflect that.

Change-Id: Iad4eb23616ac8ad44d8456268dca730a9754acce

doc/source/irc.rst

@@ -14,9 +14,10 @@ At a Glance
 ===========
 
 :Hosts:
-  * http://eavesdrop01.opendev.org
+  * https://eavesdrop01.opendev.org/irclogs/
+  * https://meetings.opendev.org/
+  * https://ptg.opendev.org/
   * https://wiki.openstack.org/wiki/Infrastructure_Status
-  * http://ptg.openstack.org/
 :Configuration:
   * :config:`gerritbot/channels.yaml`
   * :config:`accessbot/channels.yaml`
@@ -239,22 +240,19 @@ Example::
 PTG Bot
 =======
 
-.. note:: The PTG bot is currently pending conversion to run against
-          OFTC from the `eavesdrop01.opendev.org` server.
-
 Bot that `Project Teams Gathering <https://www.openstack.org/ptg>`_
 room moderators use to surface what's currently happening at the
 event. Usage instructions are provided in its `README.rst file
 <https://opendev.org/openstack/ptgbot/src/branch/master/README.rst>`_.
-It writes some static content into ``/var/lib/ptgbot/www`` on the
-eavesdrop01.openstack.org server and then serves that from a
-http://ptg.openstack.org/ Apache vhost.
-
-Code for the PTG bot lives in the openstack/ptgbot respository
-(https://opendev.org/openstack/ptgbot), while the
-puppet module used to deploy it (including the template used for its
-configuration) lives in the opendev/puppet-ptgbot repository
-(https://opendev.org/opendev/puppet-ptgbot).
+Its container serves content from an embedded HTTPd which we proxy on
+eavesdrop01.opendev.org locally with a https://ptg.opendev.org/ Apache
+vhost.
+
+Code for the PTG bot lives in the `openstack/ptgbot respository
+<https://opendev.org/openstack/ptgbot>`_, while the
+Ansible used to deploy it (including the template used for its
+configuration) lives in the `opendev/system-config repository
+<https://opendev.org/opendev/system-config/src/branch/master/playbooks/roles/ptgbot>`_.
 
 Basic Channel Operator Commands
 ===============================