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add hack code

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This commit is contained in:
Nico Schottelius 2020-01-15 10:02:37 +01:00
commit b877ab13b3
2 changed files with 23 additions and 6 deletions
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8
uncloud/hack/mac.py
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@ -48,7 +48,9 @@ class MAC(object):
def last_used_index(self):
value = self.db.get("last_used_index")
if not value:
return 0
self.db.set("last_used_index", "0")
value = self.db.get("last_used_index")
return int(value)
def last_used_mac(self):
@ -62,7 +64,7 @@ class MAC(object):
def get_next(self, vmuuid=None, as_int=False):
last_number = self.last_used_index()
# FIXME: compare to 48bit minus prefix length
# FIXME: compare to 48bit minus prefix length to the power of 2
if last_number == int('0xffffff', 16):
raise UncloudException("Exhausted all possible mac addresses - try to free some")
@ -77,6 +79,8 @@ class MAC(object):
db_entry['index'] = next_number
db_entry['mac_address'] = next_mac
# should be one transaction
self.db.increment("last_used_index")
self.db.set("used/{}".format(next_mac),
db_entry, as_json=True)