Hi folks,
I'm super new to Puppet but decently experienced with Chef, I'm trying to
apply my Chef logic to some things I'm trying to do in Puppet but I've hit
what is probably a simple snag. And perhaps I shouldn't be trying to apply
Chef logic, but hear me out first!
Firstly, I'm following along John Arundel's book, *Puppet 3 Beginner's
Guide*. It's had me create a module to do my own things, as well as a
separate module that just installs Nginx, and now it's trying to set up a
basic website by providing a virtual host file and writing it to
/etc/nginx/sites-enabled. The way it's having me do that is to invoke the
file resource directly from within my nginx class/module. I know that will
work, but that seems like heresy.
In my Chef logic, I would create a cookbook just to set up my website, have
it invoke an external cookbook to install Nginx, and then simply drop the
Nginx config file in the right spot, like so:
include_recipe "nginx::default"
cookbook_file "/var/www/mysite/index.html"
cookbook_file "/etc/nginx/sites-enabled/mysite.conf"
That separates the process of just installing Nginx (which my simpleton
Nginx class is doing just fine) from setting up the website.
What I have so far in Puppet looks like this:
mysite
-files
--mysite.conf
-manifests
--default.pp
--nodes.pp
-modules
--nginx
---manifests
----init.pp
The book wants me to add a files directory under nginx and put the
mysite.conf there. But in my logic, the nginx class is an external
dependency -- or at least, going forward, I would actually use the
"official" Nginx module and call it from my custom module somehow, so
assuming the Nginx module is its own entity that I cannot change, I'd have
to find a way to write mysite.conf directly from my custom module.
My nodes.pp looks like this:
node 'sensei-debian7' {
include nginx
file { "/var/www/mysite/index.html":
content => "Hello?\n",
}
file { ["/var/www", "/var/www/mysite"]:
ensure => directory
}
file { "/etc/nginx/sites-enabled/default":
source => 'puppet:///sensei/mysite.conf',
notify => Service['nginx'],
}
}
That source attribute above is my problem. sensei is the name of my
learning module. I'm using Vagrant for testing, and when I run vagrant
provision, Puppet complains that it cannot find the path:
==> debian7: Error:
/Stage[main]/Main/Node[sensei-debian7]/File[/etc/nginx/sites-enabled/default]:
Could not evaluate: Could not retrieve information from environment
production source(s) puppet:///sensei/mysite.conf
Like I said, the book would like me to put the mysite.conf in
modules/nginx/files/mysite.conf and have the following source line:
source => 'puppet:///modules/nginx/mysite.conf',
I'm sure that that would work, but since it feels wrong to do it that way,
I'm trying to write that line correctly so that it fetches the mysite.conf
directly from my module, without going to the Nginx module at all.
I've tried multiple things:
puppet:///modules/sensei/mysite.conf
puppet:///sensei/mysite.conf
puppet:///files/mysite.conf (I figured that wouldn't work since I
understand Puppet adds the files/ in those instances)
puppet:///mysite.conf
and others. But nothing works.
I hope this makes sense.
So, I don't know if I'm going about this all wrong or if I just need to
find the right syntax for that source line. If this is all wrong, then
what's the right way of doing it?
Let's assume that, later on, I might move my Nginx module to its own Git
repo and invoke it from my Sensei module using a Puppetfile/Librarian.
Thanks for reading, and any pointers would be appreciated!
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