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Make os_floating_ip module idempotent

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Current module fails when tries to assign floating-ips to server that
already have them and either fails or reports "changed=True" when no
ip was added

Removing floating-ip doesn't require address

Server name/id is enough to remove a floating ip.
This commit is contained in:
yfried-redhat 2016-04-12 15:20:09 +03:00
parent 3945794704
commit 6b20645b40
1 changed files with 38 additions and 10 deletions
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48
cloud/openstack/os_floating_ip.py
View file

@ -163,10 +163,33 @@ def main():
msg="server {0} not found".format(server_name_or_id))
if state == 'present':
fip_address = cloud.get_server_public_ip(server)
f_ip = _get_floating_ip(cloud, fip_address)
# If f_ip already assigned to server, check that it matches
# requirements.
f_ip = cloud.get_server_public_ip(server)
f_ip = _get_floating_ip(cloud, f_ip) if f_ip else f_ip
if f_ip:
module.exit_json(changed=False, floating_ip=f_ip)
if network:
network_id = cloud.get_network(name_or_id=network)["id"]
else:
network_id = None
if all([fixed_address, f_ip.fixed_ip_address == fixed_address,
network, f_ip.network != network_id]):
# Current state definitely conflicts with requirements
module.fail_json(msg="server {server} already has a "
"floating-ip on requested "
"interface but it doesn't match "
"requested network {network: {fip}"
.format(server=server_name_or_id,
network=network,
fip=remove_values(f_ip,
module.no_log_values)))
if not network or f_ip.network == network_id:
# Requirements are met
module.exit_json(changed=False, floating_ip=f_ip)
# Requirments are vague enough to ignore exisitng f_ip and try
# to create a new f_ip to the server.
server = cloud.add_ips_to_server(
server=server, ips=floating_ip_address, ip_pool=network,
reuse=reuse, fixed_address=fixed_address, wait=wait,
@ -178,22 +201,27 @@ def main():
elif state == 'absent':
if floating_ip_address is None:
module.fail_json(msg="floating_ip_address is required")
if not server_name_or_id:
module.fail_json(msg="either server or floating_ip_address are required")
server = cloud.get_server(server_name_or_id)
floating_ip_address = cloud.get_server_public_ip(server)
f_ip = _get_floating_ip(cloud, floating_ip_address)
if not f_ip:
# Nothing to detach
module.exit_json(changed=False)
cloud.detach_ip_from_server(
server_id=server['id'], floating_ip_id=f_ip['id'])
# Update the floating IP status
f_ip = cloud.get_floating_ip(id=f_ip['id'])
changed = False
if f_ip["fixed_ip_address"]:
cloud.detach_ip_from_server(
server_id=server['id'], floating_ip_id=f_ip['id'])
# Update the floating IP status
f_ip = cloud.get_floating_ip(id=f_ip['id'])
changed = True
if purge:
cloud.delete_floating_ip(f_ip['id'])
module.exit_json(changed=True)
module.exit_json(changed=True, floating_ip=f_ip)
module.exit_json(changed=changed, floating_ip=f_ip)
except shade.OpenStackCloudException as e:
module.fail_json(msg=str(e), extra_data=e.extra_data)