X-Git-Url: https://git.llucax.com/software/pymin.git/blobdiff_plain/0b364a7665d79821e7bc417a97b3cbb8ad10dcc3..52d87d11873f1a37b21100700f4798a375361f3f:/pymin/services/ip/__init__.py?ds=sidebyside diff --git a/pymin/services/ip/__init__.py b/pymin/services/ip/__init__.py index 94d681b..1f3aeef 100644 --- a/pymin/services/ip/__init__.py +++ b/pymin/services/ip/__init__.py @@ -12,6 +12,81 @@ from pymin.services.util import Restorable, ConfigWriter, InitdHandler, \ __ALL__ = ('IpHandler',) +# TODO: convertir HopHandler a ComposedSubHandler + +class HopError(Error): + + def __init__(self, hop): + self.message = u'Hop error : "%s"' % hop + +class HopNotFoundError(HopError): + + def __init__(self, hop): + self.message = u'Hop not found : "%s"' % hop + +class HopAlreadyExistsError(HopError): + + def __init__(self, hop): + self.message = u'Hop already exists : "%s"' % hop + + +class Hop(Sequence): + + def __init__(self, gateway, device): + self.gateway = gateway + self.device = device + + def as_tuple(self): + return (self.gateway, self.device) + + def __cmp__(self, other): + if self.gateway == other.gateway \ + and self.device == other.device: + return 0 + return cmp(id(self), id(other)) + +class HopHandler(Handler): + + def __init__(self, parent): + self.parent = parent + + @handler('Adds a hop : add ') + def add(self, gw, dev): + if not dev in self.parent.devices: + raise DeviceNotFoundError(device) + h = Hop(gw, dev) + try: + self.parent.hops.index(h) + raise HopAlreadyExistsError(gw + '->' + dev) + except ValueError: + self.parent.hops.append(h) + + @handler(u'Deletes a hop : delete ') + def delete(self, gw, dev): + if not dev in self.parent.devices: + raise DeviceNotFoundError(device) + h = Hop(gw, dev) + try: + self.parent.hops.remove(h) + except ValueError: + raise HopNotFoundError(gw + '->' + dev) + + @handler(u'Lists hops : list ') + def list(self, device): + try: + k = self.parent.hops.keys() + except ValueError: + k = list() + return k + + @handler(u'Get information about all hops: show ') + def show(self, device): + try: + k = self.parent.hops.values() + except ValueError: + k = list() + return k + class Route(Sequence): def __init__(self, net_addr, prefix, gateway): self.net_addr = net_addr @@ -92,15 +167,18 @@ class DeviceHandler(SubHandler): class IpHandler(Restorable, ConfigWriter, TransactionalHandler): - handler_help = u"Manage IP devices, addresses and routes" + handler_help = u"Manage IP devices, addresses, routes and hops" - _persistent_attrs = 'devices' + _persistent_attrs = ('devices','hops') - _restorable_defaults = dict(devices=dict((dev, Device(dev, mac)) - for (dev, mac) in get_network_devices().items())) + _restorable_defaults = dict( + devices=dict((dev, Device(dev, mac)) + for (dev, mac) in get_network_devices().items()), + hops = list() + ) _config_writer_files = ('device', 'ip_add', 'ip_del', 'ip_flush', - 'route_add', 'route_del', 'route_flush') + 'route_add', 'route_del', 'route_flush', 'hop') _config_writer_tpl_dir = path.join(path.dirname(__file__), 'templates') def __init__(self, pickle_dir='.', config_dir='.'): @@ -112,34 +190,63 @@ class IpHandler(Restorable, ConfigWriter, TransactionalHandler): self.addr = AddressHandler(self) self.route = RouteHandler(self) self.dev = DeviceHandler(self) + self.hop = HopHandler(self) def _write_config(self): r"_write_config() -> None :: Execute all commands." for device in self.devices.values(): - call(self._render_config('route_flush', dict(dev=device.name)), shell=True) - call(self._render_config('ip_flush', dict(dev=device.name)), shell=True) + #call(self._render_config('route_flush', dict(dev=device.name)), shell=True) + print self._render_config('route_flush', dict(dev=device.name)) + #call(self._render_config('ip_flush', dict(dev=device.name)), shell=True) + print self._render_config('ip_flush', dict(dev=device.name)) for address in device.addrs.values(): - call(self._render_config('ip_add', dict( + print self._render_config('ip_add', dict( dev = device.name, addr = address.ip, netmask = address.netmask, broadcast = address.broadcast, - ) - ), shell=True) + )) + #call(self._render_config('ip_add', dict( + #dev = device.name, + #addr = address.ip, + #prefix = address.prefix, + #broadcast = address.broadcast, + #) + #), shell=True) for route in device.routes: - call(self._render_config('route_add', dict( + print self._render_config('route_add', dict( dev = device.name, net_addr = route.net_addr, prefix = route.prefix, gateway = route.gateway, - ) - ), shell=True) + )) + #call(self._render_config('route_add', dict( + #dev = device.name, + #net_addr = route.net_addr, + #prefix = route.prefix, + #gateway = route.gateway, + #) + #), shell=True) + + if self.hops: + print 'ip route del default' + #call('ip route del default', shell=True) + print self._render_config('hop', dict( + hops = self.hops, + )) + #call(self._render_config('hop', dict( + #hops = self.hops, + #) + #), shell=True) if __name__ == '__main__': ip = IpHandler() print '----------------------' + ip.hop.add('201.21.32.53','eth0') + ip.hop.add('205.65.65.25','eth1') + ip.commit() ip.dev.up('eth0') ip.addr.add('eth0','192.168.0.23','24','192.168.255.255') ip.addr.add('eth0','192.168.0.26','24') @@ -147,11 +254,9 @@ if __name__ == '__main__': ip.route.add('eth0','192.168.0.0','24','192.168.0.1') ip.route.add('eth0','192.168.0.5','24','192.168.0.1') ip.commit() + ip.hop.delete('201.21.32.53','eth0') ip.route.clear('eth0') ip.commit() - ip.addr.delete('eth0','192.168.0.23') - ip.commit() -