Puppet module to configure a Freifunk (Hamburg) Gateway
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README.md add usage doc 2014-04-23 17:30:01 +02:00

Freifunk Gateway Module

Martin Schütte info@mschuette.name

This module tries to automate the configuration of a Freifunk (Hamburg) Gateway. The idea is to implement the step-by-step guide on http://wiki.freifunk.net/Freifunk_Hamburg/Gateway

A generalization for other communities would be nice, but right now this is all experimental and we will be glad when it works for our own gateways.

Also note that this is a really ugly puppet module that ignores all principles of modularity and interoperability; instead it follows the "Big ball of mud" design pattern.

Usage

Install as a puppet module, then include with node-specific parameters.

Dependencies

Install Puppet and some required modules with:

apt-get install puppet
puppet module install puppetlabs-stdlib
puppet module install puppetlabs-apt
puppet module install puppetlabs-vcsrepo
puppet module install saz-sudo
puppet module install torrancew-account

Then add this module (which is not in the puppet forge, so it has to be downloaded manually):

cd /etc/puppet/modules
git clone https://github.com/freifunkhamburg/puppet-ff_gw.git ff_gw

Parameters

Now include the module in your manifest and provide all parameters. Basically there are three kinds of parameters: user accounts (optional if you do manual user management), network config (has to be in sync with the wiki page), and credentials for fastd and openvpn.

Example puppet code (save e.g. as /etc/puppet/gw.pp):

class { 'ff_gw':
    # user accounts:
    accounts => {
        mschuett => {
            comment => 'Martin Schuette',
            ssh_key => 'AAAAB3NzaC1yc2EAAAADAQABAAABAQC4qcAOjmLCv+DaF405K9/napCQCq8qJnTJtkbeQR+PGLHAR3kxXFh5rQXKp5n3IxEhZt4js7yin5EBmfCMv+CHYSndT4BGVDarjqIoM7RAKI8MyJUus0SOf5WsnAGamp97mCh8iWHg7v+emqYcF308FFkubKzFLdHjdLGZBCduClUvkyuuUc7vtkXZ3IkInXGkrN5hn388/lHsT1ewUva7j2fZmbVou8P2FHC4+azPInoyezwiIE6YrFKAyquDhuFRDir5QqlFaZpD6C8T+vEiqWRyqPxI7YVGBudh2oec5m99VTWkrPw7cOsC92ndLAgQ2MjxEeDhPh/Tgxly6flb',
            groups => ['sudo', 'users'],
        }
    },

    # network config (example data for gw12)
    mesh_mac        => 'de:ad:be:ef:01:14',
    gw_ipv4         => '10.112.30.1',
    gw_ipv6         => 'fd51:2bb2:fd0d::501',
    dhcprange_start => '10.112.30.2',
    dhcprange_end   => '10.112.31.254',

    # secret credentials for fastd and vpn
    secret_key      => '...',
    vpn_ca_crt      => '-----BEGIN CERTIFICATE-----
MIIE ...
-----END CERTIFICATE-----',
    vpn_usr_crt     => '-----BEGIN CERTIFICATE-----
MIIE ...
-----END CERTIFICATE-----',
    vpn_usr_key     => '-----BEGIN CERTIFICATE-----
MIIE ...
-----END CERTIFICATE-----',
}

Run Puppet

To apply the puppet manifest (e.g. saved as gw.pp) run:

puppet apply --verbose gw.pp

The verbose flag is optional and shows all changes. To be even more catious you can also add the --noop flag to only show changes but not apply them.