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Fix neutron floating IP allocation for networks with a v4 *and* v6 subnet.

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For networks that have both a v4 and a v6 subnet, the floating IP plugin
currently has two problems:

* When determining the subnet for the provided `internal_network_name`, it
assumes that the first item in the list of subnets is the one you want.
Instead, it should pick the first v4 subnet.

* When multiple fixed IP's exist for a given port (as is the case in a network
a v4 and a v6 subnet), neutron needs a hint as to which fixed IP to associate
to the floating IP address (the v4 one).
This commit is contained in:
Ryan Petrello 2014-06-06 16:39:57 -04:00
parent bd5cf57e76
commit bb0ca4c1aa
1 changed files with 12 additions and 7 deletions
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19
library/cloud/quantum_floating_ip
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@ -144,11 +144,15 @@ def _get_server_state(module, nova):
def _get_port_info(neutron, module, instance_id, internal_network_name=None):
subnet_id = None
if internal_network_name:
kwargs = {
'name': internal_network_name,
}
kwargs = {'name': internal_network_name}
networks = neutron.list_networks(**kwargs)
subnet_id = networks['networks'][0]['subnets'][0]
network_id = networks['networks'][0]['id']
kwargs = {
'network_id': network_id,
'ip_version': 4
}
subnets = neutron.list_subnets(**kwargs)
subnet_id = subnets['subnets'][0]['id']
kwargs = {
'device_id': instance_id,
}
@ -179,10 +183,11 @@ def _get_floating_ip(module, neutron, fixed_ip_address):
return None, None
return ips['floatingips'][0]['id'], ips['floatingips'][0]['floating_ip_address']
def _create_floating_ip(neutron, module, port_id, net_id):
def _create_floating_ip(neutron, module, port_id, net_id, fixed_ip):
kwargs = {
'port_id': port_id,
'floating_network_id': net_id
'floating_network_id': net_id,
'fixed_ip_address': fixed_ip
}
try:
result = neutron.create_floatingip({'floatingip': kwargs})
@ -252,7 +257,7 @@ def main():
net_id = _get_net_id(neutron, module)
if not net_id:
module.fail_json(msg = "cannot find the network specified, please check")
_create_floating_ip(neutron, module, port_id, net_id)
_create_floating_ip(neutron, module, port_id, net_id, fixed_ip)
if module.params['state'] == 'absent':
if floating_ip: