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The reason this script exists, is to allow you to easily spawn entire new aegir instances (or stacks),
which consist of a central backend server, with the optional front end, and then be able to very easily
assign additional servers to act as remote servers for whichever services you intend to provide with it.
REQUIREMENTS:
------------
This only works on ubuntu (afaik) and depends on the line.pp from puppet-common.
You need to set up exported resources on your puppet master, preferably with mysql
as a back end.
Check this repository into /etc/puppet/modules as 'aegir'.
cd /etc/puppet/modules
git clone git@github.com:Vertice/puppet-aegir.git aegir
USAGE:
------
To use this script you need to define some classes and nodes of your own that it in turn requires.
This is done so that your actual configuration is entirely up to you (ie: custom php or apache, etc)
1) Define the "includes" classes.
---------------------------------
The aegir classes will depend on these classes for policies to fulfill the specific roles
it needs to perform. These are :
class aegir::includes::http {
// include your own class to add php apache / whatever
}
class aegir::includes::db {
// install mysql and configure the root password etc.
}
class aegir::includes::mail {
// install exim or whatever you use, so your server can send mail.
}
class aegir::includes::dns {
// if you are going to be installing bind, add your packages and services here.
}
2) define a config class for your aegir stack.
----------------------------------------------
This is where you specify the settings that all servers on this stack will need to respect.
The $aegir_host is the $fqdn of the server that will be acting as the hostmaster or backend server.
class aegir_live::config inherits aegir::config {
# override default settings, required here are
$aegir_host = 'full.hostname.of.server.com'
# PUBLIC ip address
$aegir_ip = '192.168.0.1'
# url of aegir site
$aegir_master = 'aegir.mydomain.com'
# mysql root password
$mysql_pass = 'dsfafsdadsgjfsad'
# enable SSL.
# If you enable this, all your web servers will have SSL enabled.
#$apache_ssl = true
}
3) define a base node for the aegir stack
-----------------------------------------
This is a simple way to take the settings specific to this stack and pull them into scope.
From now on, any node that inherits this node, will be part of that aegir stack. So you could
have aegir_live, aegir_staging, aegir_test and so forth.
node aegir_live {
include aegir_live::config
$aegir_scope = 'aegir_live::config'
}
4) define a hostmaster or backend for your stack
------------------------------------------------
This will do the necessary setup to get the system running. If you choose
to install the front end, it will install the site as the $aegir_master url
you configured in your config class from step 2.
node 'full.hostname.of.server.com' inherits aegir_live {
include aegir::hostmaster
}
5) add additional servers to the stack.
---------------------------------------
Now when you bring up a new server and point it at this puppet master,
you will be able to assign it to an aegir stack, and assign certain roles
to it. New servers will be automatically added to the hostmaster front
end, and registered with the backend.
node 'external.db.server.com' inherits aegir_live {
include aegir::db
}
node 'external.web.server.com' inherits aegir_live {
include aegir::http
}
node 'external.dns.server.com inherits aegir_live {
# If you do this, you _must_ add it to your master server too.
include aegir::dns
}
What isn't working?
-------------------
* I'm not even convinced this works yet, as it hasnt been fully tested.
* Does not support upgrading Aegir. No ideas how to do this.
* Try not to depend on packages directly (really a sysadmin's decision), but need failsafes.
* Not cross platform. not really convinced i want to be.
* Stop using the line function, and switch to using /etc/sudoers.d (possibly debian only)
* Doesn't support configuring the ports. I have no need for this.
* Doesn't support NGINX. I have no need for this.
* Docs and cleaning it up.
* Only supports Aegir HEAD atm because it needs the hosting-import command to add the servers
to the front end.
* Indentation is atrocious due to me editing this on remote servers with incorrent vi settings.
* Generate keys outside of the /etc/puppet/files directory.
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