Revision 18b1d400 lib/config.py
| b/lib/config.py | ||
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import logging |
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import time |
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import itertools |
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from functools import wraps |
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from ganeti import errors |
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from ganeti import locking |
| ... | ... | |
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""" |
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return os.path.exists(constants.CLUSTER_CONF_FILE) |
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def _GenerateOneMAC(self): |
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def _GenerateMACPrefix(self, net=None): |
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def _get_mac_prefix(view_func): |
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def _decorator(*args, **kwargs): |
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prefix = self._config_data.cluster.mac_prefix |
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if net: |
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net_uuid = self._UnlockedLookupNetwork(net) |
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if net_uuid: |
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nobj = self._UnlockedGetNetwork(net_uuid) |
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if nobj.mac_prefix: |
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prefix = nobj.mac_prefix |
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suffix = view_func(*args, **kwargs) |
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return prefix+':'+suffix |
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return wraps(view_func)(_decorator) |
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return _get_mac_prefix |
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def _GenerateMACSuffix(self): |
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"""Generate one mac address |
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""" |
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prefix = self._config_data.cluster.mac_prefix |
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byte1 = random.randrange(0, 256) |
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byte2 = random.randrange(0, 256) |
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byte3 = random.randrange(0, 256) |
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mac = "%s:%02x:%02x:%02x" % (prefix, byte1, byte2, byte3)
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return mac
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suffix = "%02x:%02x:%02x" % (byte1, byte2, byte3)
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return suffix
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@locking.ssynchronized(_config_lock, shared=1) |
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def GetNdParams(self, node): |
| ... | ... | |
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return self._config_data.cluster.SimpleFillDP(group.diskparams) |
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@locking.ssynchronized(_config_lock, shared=1) |
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def GenerateMAC(self, ec_id): |
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def GenerateMAC(self, net, ec_id):
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"""Generate a MAC for an instance. |
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This should check the current instances for duplicates. |
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""" |
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existing = self._AllMACs() |
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return self._temporary_ids.Generate(existing, self._GenerateOneMAC, ec_id) |
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gen_mac = self._GenerateMACPrefix(net)(self._GenerateMACSuffix) |
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return self._temporary_ids.Generate(existing, gen_mac, ec_id) |
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@locking.ssynchronized(_config_lock, shared=1) |
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def ReserveMAC(self, mac, ec_id): |
Also available in: Unified diff