def test_verifies_that_node_will_reuse_its_ip_address(self):
ip_range = models.IPAddrRange(first='10.10.0.3', last='10.10.0.9')
self.admin_ng.ip_ranges.append(ip_range)
db().flush()
manager.NetworkManager.assign_admin_ips(self.env.nodes)
for node in self.reuse_nodes:
self.assertEqual(len(node.ip_addrs), 1)
ip = node.ip_addrs[0]
self.assertEqual(node.ip, ip.ip_addr)
self.assertEqual(len(self.assign_from_new.ip_addrs), 1)
ip = self.assign_from_new.ip_addrs[0]
self.assertEqual(ip.ip_addr, '10.10.0.5')
def test_assign_vip_in_correct_node_group(self):
cluster = self.env.create(
release_kwargs={'version': 'test-8.0'},
cluster_kwargs={'api': False}
)
# prepare two nodes that are in different node groups
self.env.create_node(
cluster_id=cluster.id, pending_roles=['controller'])
self.env.create_node(
cluster_id=cluster.id, pending_roles=['compute'])
group_id = self.env.create_node_group(
cluster_id=cluster.id
).json_body['id']
cluster.nodes[1].group_id = group_id
# configure management net to have custom range on compute nodes
management_net = self.db.query(models.NetworkGroup)\
.filter_by(group_id=group_id, name=consts.NETWORKS.management)\
.first()
management_net.ip_ranges = [
models.IPAddrRange(first='10.42.0.2', last='10.42.0.10')]
# populate release with a network role that requests a VIP
# for compute nodes
nrm = {
'id': 'mymgmt/vip',
'default_mapping': consts.NETWORKS.management,
'properties': {
'subnet': True,
'gateway': False,
'vip': [{
'name': 'my-vip',
'node_roles': ['compute'],
}]
}
}
cluster.release.network_roles_metadata.append(nrm)
self.db.flush()
self.env.neutron_networks_put(cluster.id, {})
nm = objects.Cluster.get_network_manager(cluster)
nm.assign_vips_for_net_groups(cluster)
resp = self.env.neutron_networks_get(cluster.id)
self.assertEqual(200, resp.status_code)
ipaddr = resp.json_body['vips']['my-vip']['ipaddr']
self.assertEqual('10.42.0.2', ipaddr)
def _set_ip_ranges(cls, instance, ip_ranges):
"""Set IP-address ranges.
:param instance: NetworkGroup instance being updated
:type instance: models.NetworkGroup
:param ip_ranges: IP-address ranges sequence
:type ip_ranges: iterable of pairs
:return: None
"""
# deleting old ip ranges
db().query(models.IPAddrRange).filter_by(
network_group_id=instance.id).delete()
for r in ip_ranges:
new_ip_range = models.IPAddrRange(first=r[0],
last=r[1],
network_group_id=instance.id)
db().add(new_ip_range)
db().refresh(instance)
db().flush()
def create(cls, data):
"""Create NetworkGroup instance with specified parameters in DB.
Create corresponding IPAddrRange instance with IP range specified in
data or calculated from CIDR if not specified.
:param data: dictionary of key-value pairs as NetworkGroup fields
:returns: instance of new NetworkGroup
"""
instance = super(NetworkGroup, cls).create(data)
notation = instance.meta.get('notation')
if notation:
ip_range = models.IPAddrRange(network_group_id=instance.id)
try:
if notation == 'cidr':
cidr = IPNetwork(instance.cidr).cidr
ip_range.first = str(cidr[2])
ip_range.last = str(cidr[-2])
elif notation == 'ip_ranges' and instance.meta.get('ip_range'):
ip_range.first = instance.meta['ip_range'][0]
ip_range.last = instance.meta['ip_range'][1]
else:
raise errors.CannotCreate()
except (
errors.CannotCreate,
IndexError,
TypeError
):
raise errors.CannotCreate(
"IPAddrRange object cannot be created for network '{0}' "
"with notation='{1}', ip_range='{2}'".format(
instance.name,
instance.meta.get('notation'),
instance.meta.get('ip_range'))
)
db().add(ip_range)
db().flush()
return instance