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Only use unassociated ips when unable to allocate

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When checking the unassociated ips first, in Parallel mode, each server will
use the same one unallocated ip.
This commit is contained in:
Daniel Wallace 2017-07-11 10:17:51 -06:00
parent 781fe13be7
commit 53e25760be
1 changed files with 33 additions and 22 deletions
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55
salt/cloud/clouds/openstack.py
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@ -135,6 +135,14 @@ Alternatively, one could use the private IP to connect by specifying:
ssh_interface: private_ips
.. note::
When using floating ips from networks, if the OpenStack driver is unable to
allocate a new ip address for the server, it will check that for
unassociated ip addresses in the floating ip pool. If SaltCloud is running
in parallel mode, it is possible that more than one server will attempt to
use the same ip address.
'''
# Import python libs
@ -866,40 +874,43 @@ def _assign_floating_ips(vm_, conn, kwargs):
pool = OpenStack_1_1_FloatingIpPool(
net['floating'], conn.connection
)
for idx in pool.list_floating_ips():
if idx.node_id is None:
floating.append(idx)
try:
floating.append(pool.create_floating_ip())
except Exception as e:
log.debug('Cannot allocate IP from floating pool \'%s\'. Checking for unassociated ips.',
net['floating'])
for idx in pool.list_floating_ips():
if idx.node_id is None:
floating.append(idx)
break
if not floating:
try:
floating.append(pool.create_floating_ip())
except Exception as e:
raise SaltCloudSystemExit(
'Floating pool \'{0}\' does not have any more '
'please create some more or use a different '
'pool.'.format(net['floating'])
)
raise SaltCloudSystemExit(
'There are no more floating IP addresses '
'available, please create some more'
)
# otherwise, attempt to obtain list without specifying pool
# this is the same as 'nova floating-ip-list'
elif ssh_interface(vm_) != 'private_ips':
try:
# This try/except is here because it appears some
# *cough* Rackspace *cough*
# OpenStack providers return a 404 Not Found for the
# floating ip pool URL if there are no pools setup
pool = OpenStack_1_1_FloatingIpPool(
'', conn.connection
)
for idx in pool.list_floating_ips():
if idx.node_id is None:
floating.append(idx)
try:
floating.append(pool.create_floating_ip())
except Exception as e:
log.debug('Cannot allocate IP from the default floating pool. Checking for unassociated ips.')
for idx in pool.list_floating_ips():
if idx.node_id is None:
floating.append(idx)
break
if not floating:
try:
floating.append(pool.create_floating_ip())
except Exception as e:
raise SaltCloudSystemExit(
'There are no more floating IP addresses '
'available, please create some more'
)
raise SaltCloudSystemExit(
'There are no more floating IP addresses '
'available, please create some more'
)
except Exception as e:
if str(e).startswith('404'):
pass