X-Git-Url: https://git.llucax.com/software/pymin.git/blobdiff_plain/c7a9496a78002544cf62358c7d098614c0d0d837..73cc0c58e7d9cd821216be6ea47159dece5398d3:/services/dhcp/__init__.py diff --git a/services/dhcp/__init__.py b/services/dhcp/__init__.py index 941bccf..8f9581f 100644 --- a/services/dhcp/__init__.py +++ b/services/dhcp/__init__.py @@ -1,125 +1,17 @@ # vim: set encoding=utf-8 et sw=4 sts=4 : -try: - import cPickle as pickle -except ImportError: - import pickle - -from mako.template import Template -from mako.runtime import Context - -class Host: - def __init__(self, name, ip, mac): - self.name = name - self.ip = ip - self.mac = mac - def __repr__(self): - return 'Host(name="%s", ip="%s", mac="%s")' % ( - self.name, self.ip, self.mac) - -class HostHandler: - - def __init__(self, hosts): - self.hosts = hosts - - def add(self, name, ip, mac): - #deberia indexar por hostname o por ip? o por mac? :) - # Mejor por nada... - self.hosts[name] = Host(name, ip, mac) - - def update(self, name, ip=None, mac=None): - if ip is not None: - self.hosts[name].ip = ip - if mac is not None: - self.hosts[name].mac = mac - - def delete(self, name): - del self.hosts[name] - - def list(self): - return ','.join(self.hosts) - - def show(self): - hosts = self.hosts.values() - return '\n'.join('%s,%s,%s' % (h.name, h.ip, h.mac) for h in hosts) - -class DhcpHandler: - r"""class that handles DHCP service using dhcpd program""" - - def __init__(self): - self.hosts = dict() - self.vars = dict( - domain_name = 'my_domain_name', - dns_1 = 'my_ns1', - dns_2 = 'my_ns2', - net_address = '192.168.0.0', - net_mask = '255.255.255.0', - net_start = '192.168.0.100', - net_end = '192.168.0.200', - net_gateway = '192.168.0.1', - ) - self.host = HostHandler(self.hosts) - - def set(self, param, value): - if param in self.vars: - self.vars[param] = value - else: - raise KeyError("Parameter " + param + " not found") - - def list(self): - return ','.join(self.vars) - - def show(self): - return '\n'.join(('%s,%s' % (k, v) for (k, v) in self.vars.items())) - - def start(self): - #esto seria para poner en una interfaz - #y seria el hook para arrancar el servicio - pass - - def stop(self): - #esto seria para poner en una interfaz - #y seria el hook para arrancar el servicio - pass - - def commit(self): - #esto seria para poner en una interfaz - #y seria que hace el pickle deberia llamarse - #al hacerse un commit - pickle.dump(self.vars, file('pickled/vars.pkl', 'wb'), 2) - pickle.dump(self.hosts, file('pickled/hosts.pkl', 'wb'), 2) - tpl = Template(filename='templates/dhcpd.conf') - ctx = Context(file('generated/dhcpd.conf', 'w'), - hosts=self.hosts.values(), **self.vars) - tpl.render_context(ctx) - -if __name__ == '__main__': - - config = DhcpHandler() - - config.host.add('my_name','192.168.0.102','00:12:ff:56') - - config.host.update('my_name','192.168.0.192','00:12:ff:56') - - config.host.add('nico','192.168.0.188','00:00:00:00') - - config.set('domain_name','baryon.com.ar') - - try: - config.set('sarasa','baryon.com.ar') - except KeyError, e: - print 'Error:', e - - config.commit() - - print 'Variables:', config.list() - print config.show() - - print 'Hosts:', config.host.list() - print config.host.show() - - vars = pickle.load(file('pickled/vars.pkl')) - hosts = pickle.load(file('pickled/hosts.pkl')) - print 'Pickled vars:', vars - print 'Pickled hosts:', hosts +from formencode import validators as V +from pymin.config import Option +from handler import DhcpHandler + +def setup_service(options, config): + options.add_group('dhcp', 'DHCP service', [ + Option('pickle_dir', V.String, metavar='DIR', + help='store persistent data in DIR directory'), + Option('config_dir', V.String, metavar='DIR', + help='write config file in DIR directory'), + ]) + +def get_service(config): + return DhcpHandler(config.dhcp.pickle_dir, config.dhcp.config_dir)