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Gestio2masq

Gem Version

gestio2masq generates dnsmasq configuration files from IPAM data in a GestióIP mysql database.

Installation & Configuration

First, install it:

$ git clone https://github.com/svdasein/gestio2masq.git
$ cd gestio2masq
$ bundle install

or

$ gem install gestio2masq

Once installed, copy the example config file to /etc/ and edit (or use command line switches, see below).

###gestio2masq requires some custom fields in gestioip.

You can define these via the web interface in Manage/Custom Columns.

####Add the following network fields:

####domain

The domain name that will fully qualify your host names in a given network

####leasetime

The static assignment lease time for this network

####dynleasetime

The dynamic pool lease time for this network

####optiontag

A unique dnsmasq tag string. Options for a given network will be tagged with this string in dnsmasq configuration.

####Add the following host fields:

####MAC

Specify this for a host if you want to do static dhcp assignments. Format is 00:00:00:00:00:00

####CNAMEs

Colon separated list of fully qualified cnames. e.g. host.mydomain.net:alias.myotherdomain.net

####optiontag

If you want to do some custom things for particular hosts in your dnsmasq config, you can specify the tag you used to identify that stuff here.

You'll also need to set up dnsmasq so that it uses the files generated by gestio2masq

gestio2masq generates the following files:

destdir/dnsmasq.d/ranges
destdir/dnsmasq.d/cnames
destdir/dnsmasq-dhcp-hosts.conf
destdir/dnsmasq-hosts.conf

The first two files will be auto-loaded if you launch dnsmasq with -7 destdir/dnsmasq.d

The last two need to be pointed to explicitly in your dnsmasq.conf file.

Example:

interface=eth0                                                                                                                                                                      
no-resolv                                                                                                                                                                          
expand-hosts
stop-dns-rebind
log-dhcp
domain=my.net
local=/my.net/
domain-needed
server=8.8.8.8
cache-size=1000
clear-on-reload
dhcp-leasefile=/var/lib/dhcp/dnsmasq.leases

#This is where you define the stuff that host optiontags map to:
#(If you don't do per-host tags this isn't required)
dhcp-optsfile=/etc/dnsmasq-dhcp-opts.conf

#generated by gestio2masq

addn-hosts=/etc/dnsmasq-hosts.conf
dhcp-hostsfile=/etc/dnsmasq-dhcp-hosts.conf

Usage

$ gestio2masq
$ service dnsmasq restart (or equiv)

$ gestio2masq --help
Options:
    -c, --config=<s>      Config file path
    -t, --destdir=<s>     Destination dir
    -h, --sqlhost=<s>     Database host
    -d, --database=<s>    Database name
    -u, --sqluser=<s>     Database user
    -p, --sqlpass=<s>     Database password
    -v, --verbose         Verbose output
    -e, --help            Show this message

IRC

#gestio2masq on Freenode

Contributing

  1. Fork it ( https://github.com/svdasein/gestio2masq/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request