Merge branch 'master' of code.ungleich.ch:uncloud/uncloud
This commit is contained in:
commit
550937630c
1 changed files with 28 additions and 22 deletions
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@ -38,7 +38,8 @@ class MAC(object):
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self.config = config
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self.config = config
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self.db = DB(config, prefix="/mac")
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self.db = DB(config, prefix="/mac")
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self.prefix = 0x002000000000
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self.prefix = 0x420000000000
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self._number = 0 # Not set by default
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@staticmethod
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@staticmethod
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def validate_mac(mac):
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def validate_mac(mac):
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@ -56,35 +57,40 @@ class MAC(object):
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def last_used_mac(self):
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def last_used_mac(self):
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return self.int_to_mac(self.prefix + self.last_used_index())
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return self.int_to_mac(self.prefix + self.last_used_index())
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@staticmethod
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def to_colon_format(self):
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def int_to_mac(number):
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b = self._number.to_bytes(6, byteorder="big")
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b = number.to_bytes(6, byteorder="big")
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return ':'.join(format(s, '02x') for s in b)
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return ':'.join(format(s, '02x') for s in b)
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def get_next(self, vmuuid=None, as_int=False):
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def to_str_format(self):
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b = self._number.to_bytes(6, byteorder="big")
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return ''.join(format(s, '02x') for s in b)
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def create(self):
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last_number = self.last_used_index()
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last_number = self.last_used_index()
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# FIXME: compare to 48bit minus prefix length to the power of 2
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if last_number == int('0xffffffff', 16):
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if last_number == int('0xffffff', 16):
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raise UncloudException("Exhausted all possible mac addresses - try to free some")
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raise UncloudException("Exhausted all possible mac addresses - try to free some")
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next_number = last_number + 1
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next_number = last_number + 1
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next_number_string = "{:012x}".format(next_number)
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self._number = self.prefix + next_number
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next_mac_number = self.prefix + next_number
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#next_number_string = "{:012x}".format(next_number)
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next_mac = self.int_to_mac(next_mac_number)
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#next_mac = self.int_to_mac(next_mac_number)
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# db_entry = {}
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db_entry = {}
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# db_entry['vm_uuid'] = vmuuid
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db_entry['vm_uuid'] = vmuuid
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# db_entry['index'] = next_number
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db_entry['index'] = next_number
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# db_entry['mac_address'] = next_mac
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db_entry['mac_address'] = next_mac
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# should be one transaction
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# should be one transaction
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self.db.increment("last_used_index")
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# self.db.increment("last_used_index")
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self.db.set("used/{}".format(next_mac),
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# self.db.set("used/{}".format(next_mac),
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db_entry, as_json=True)
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# db_entry, as_json=True)
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if as_int:
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def __int__(self):
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return next_mac_number
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return self._number
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else:
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return next_mac
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def __repr__(self):
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return self.to_str_format()
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def __str__(self):
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return self.to_colon_format()
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