Revision 30418cbe snf-cyclades-app/synnefo/logic/ippool.py
| b/snf-cyclades-app/synnefo/logic/ippool.py | ||
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class IPPool(object): |
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"""IP pool class, based on a models.Network object |
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Implementation of an IP address pool based on a models.Network |
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object. |
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""" |
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def __init__(self, network): |
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self.net = network |
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self.network = ipaddr.IPNetwork(self.net.subnet) |
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self.reservations.setall(False) |
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self.reservations[0] = True |
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self.reservations[numhosts - 1] = True |
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# if self.net.type == 'PUBLIC_ROUTED':
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# self.reservations[numhosts - 2] = True
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if self.gateway:
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self.reserve(self.gateway)
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def _contains(self, address): |
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if address is None: |
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""" |
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if not self._contains(address): |
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raise Exception("%s does not contain %s" % (str(self.network), address))
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raise Exception("%s does not contain %s" %
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(str(self.network), address)) |
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addr = ipaddr.IPAddress(address) |
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return int(addr) - int(self.network.network) |
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return self.reservations[index] |
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def is_full(self): |
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return self.reservations.all() |
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return self.reservations.all()
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def count_reserved(self): |
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return self.reservations.count(True) |
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return self.reservations.to01().replace("1", "X").replace("0", ".")
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def get_free_address(self): |
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"""Get the first available address.""" |
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if self.is_full(): |
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raise IPPool.IPPoolExhausted("%s if full" % str(self.network))
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return address |
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def save(self): |
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"""Update the Network model and save it to DB.""" |
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self._update_network() |
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self.net.save() |
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