X-Git-Url: https://git.llucax.com/software/pymin.git/blobdiff_plain/a649c1cfd693f916ad7e57cc07f71f4a687ee2c9..28ba753ea84e470b67de6601b15ebeb39ba0b97f:/pymin/services/ip/__init__.py?ds=sidebyside diff --git a/pymin/services/ip/__init__.py b/pymin/services/ip/__init__.py index 94d681b..a6a0e67 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(HandlerError): + + 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 @@ -35,9 +110,6 @@ class Address(Sequence): self.ip = ip self.netmask = netmask self.broadcast = broadcast - def update(self, netmask=None, broadcast=None): - if netmask is not None: self.netmask = netmask - if broadcast is not None: self.broadcast = broadcast def as_tuple(self): return (self.ip, self.netmask, self.broadcast) @@ -92,15 +164,18 @@ 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='.'): @@ -109,9 +184,11 @@ class IpHandler(Restorable, ConfigWriter, TransactionalHandler): self._config_writer_cfg_dir = config_dir self._config_build_templates() self._restore() + self._write_config() 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." @@ -119,11 +196,14 @@ class IpHandler(Restorable, ConfigWriter, TransactionalHandler): call(self._render_config('route_flush', dict(dev=device.name)), shell=True) call(self._render_config('ip_flush', dict(dev=device.name)), shell=True) for address in device.addrs.values(): + broadcast = address.broadcast + if broadcast is None: + broadcast = '+' call(self._render_config('ip_add', dict( dev = device.name, addr = address.ip, netmask = address.netmask, - broadcast = address.broadcast, + broadcast = broadcast, ) ), shell=True) for route in device.routes: @@ -135,11 +215,38 @@ class IpHandler(Restorable, ConfigWriter, TransactionalHandler): ) ), shell=True) + if self.hops: + call('ip route del default', shell=True) + call(self._render_config('hop', dict( + hops = self.hops, + ) + ), shell=True) + + + def handle_timer(self): + self.refresh_devices() + + + def refresh_devices(self): + devices = get_network_devices() + #add not registered devices + for k,v in devices.items(): + if k not in self.devices: + self.devices[k] = Device(k,v) + #delete dead devices + for k in self.devices.keys(): + if k not in devices: + del self.devices[k] + + if __name__ == '__main__': - ip = IpHandler() + ip = IpHanlder() 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() -