def PUT(self, cluster_id):
"""
:IMPORTANT: this method should be rewritten to be more RESTful
:returns: JSONized Task object.
:http: * 202 (network checking task failed)
* 200 (network verification task started)
* 404 (cluster not found in db)
"""
cluster = self.get_object_or_404(Cluster, cluster_id)
try:
data = self.validator.validate_networks_update(web.data())
except web.webapi.badrequest as exc:
task = Task(name='check_networks', cluster=cluster)
db().add(task)
db().commit()
TaskHelper.set_error(task.uuid, exc.data)
logger.error(traceback.format_exc())
json_task = build_json_response(TaskHandler.render(task))
raise web.accepted(data=json_task)
vlan_ids = [{
'name': n['name'],
'vlans': NetworkGroup.generate_vlan_ids_list(n)
} for n in data['networks']]
task_manager = VerifyNetworksTaskManager(cluster_id=cluster.id)
task = task_manager.execute(data, vlan_ids)
return TaskHandler.render(task)
def test_network_group_creates_several_networks(self):
cluster = self.env.create_cluster(api=False)
kw = {
'release': cluster.release_id,
'cidr': '10.0.0.0/8',
'netmask': '255.0.0.0',
'network_size': 256,
'name': 'fixed',
'access': 'private',
'vlan_start': 200,
'amount': 25,
'cluster_id': cluster.id
}
ng = NetworkGroup(**kw)
self.db.add(ng)
self.db.commit()
self.env.network_manager.create_networks(ng)
nets_db = self.db.query(Network).filter(
not_(Network.name == "fuelweb_admin")).all()
self.assertEquals(len(nets_db), kw['amount'])
self.assertEquals(nets_db[0].vlan_id, kw['vlan_start'])
self.assertEquals(nets_db[kw['amount'] - 1].vlan_id,
kw['vlan_start'] + kw['amount'] - 1)
self.assertEquals(all(x.name == kw['name'] for x in nets_db), True)
self.assertEquals(all(x.access == kw['access'] for x in nets_db), True)
vlans_db = self.db.query(Vlan).all()
self.assertEquals(len(vlans_db), kw['amount'] + 1) # + 1 for admin net
def create_network_groups(self, cluster_id):
"""Method for creation of network groups for cluster.
:param cluster_id: Cluster database ID.
:type cluster_id: int
:returns: None
:raises: errors.OutOfVLANs, errors.OutOfIPs,
errors.NoSuitableCIDR
"""
cluster_db = db().query(Cluster).get(cluster_id)
networks_metadata = \
cluster_db.release.networks_metadata["nova_network"]
for network in networks_metadata["networks"]:
new_ip_range = IPAddrRange(first=network["ip_range"][0],
last=network["ip_range"][1])
nw_group = NetworkGroup(release=cluster_db.release.id,
name=network['name'],
cidr=network['cidr'],
netmask=network['netmask'],
gateway=network['gateway'],
cluster_id=cluster_id,
vlan_start=network['vlan_start'],
amount=1,
network_size=network['network_size']
if 'network_size' in network else 256)
db().add(nw_group)
db().commit()
nw_group.ip_ranges.append(new_ip_range)
db().commit()
self.create_networks(nw_group)
def PUT(self, cluster_id):
""":IMPORTANT: this method should be rewritten to be more RESTful
:returns: JSONized Task object.
:http: * 202 (network checking task failed)
* 200 (network verification task started)
* 404 (cluster not found in db)
"""
cluster = self.get_object_or_404(Cluster, cluster_id)
try:
data = self.validator.validate_networks_update(web.data())
except web.webapi.badrequest as exc:
task = Task(name='check_networks', cluster=cluster)
db().add(task)
db().commit()
TaskHelper.set_error(task.uuid, exc.data)
logger.error(traceback.format_exc())
json_task = build_json_response(TaskHandler.render(task))
raise web.accepted(data=json_task)
vlan_ids = [{
'name': n['name'],
'vlans': NetworkGroup.generate_vlan_ids_list(n)
} for n in data['networks']]
task_manager = VerifyNetworksTaskManager(cluster_id=cluster.id)
task = task_manager.execute(data, vlan_ids)
return TaskHandler.render(task)
def PUT(self, cluster_id):
cluster = self.get_object_or_404(Cluster, cluster_id)
data = self.validator.validate_networks_update(web.data())
vlan_ids = [{
'name': n['name'],
'vlans': NetworkGroup.generate_vlan_ids_list(n)
} for n in data['networks']]
task_manager = VerifyNetworksTaskManager(cluster_id=cluster.id)
task = task_manager.execute(data, vlan_ids)
return TaskHandler.render(task)
def test_network_group_does_not_squeezes_base_cidr_if_amount_1(self):
cluster = self.env.create_cluster(api=False)
kw = {
'release': cluster.release_id,
'cidr': '172.0.0.0/8',
'netmask': '255.0.0.0',
'network_size': 256,
'name': 'public',
'vlan_start': 200,
'amount': 1,
'cluster_id': cluster.id
}
ng = NetworkGroup(**kw)
self.db.add(ng)
self.db.commit()
self.env.network_manager.create_networks(ng)
self.db.refresh(ng)
self.assertEquals(ng.cidr, "172.0.0.0/8")
def test_network_group_does_not_squeezes_base_cidr(self):
cluster = self.env.create_cluster(api=False)
kw = {
'release': cluster.release_id,
'cidr': '172.0.0.0/24',
'netmask': '255.255.255.0',
'network_size': 64,
'name': 'fixed',
'access': 'private',
'vlan_start': 200,
'amount': 3,
'cluster_id': cluster.id
}
ng = NetworkGroup(**kw)
self.db.add(ng)
self.db.commit()
self.env.network_manager.create_networks(ng)
self.db.refresh(ng)
self.assertEquals(ng.cidr, "172.0.0.0/24")
def test_network_group_size_of_1_creates_1_network(self):
cluster = self.env.create_cluster(api=False)
kw = {
'release': cluster.release_id,
'cidr': '10.0.0.0/24',
'netmask': '255.255.255.0',
'network_size': 256,
'name': 'fixed',
'vlan_start': 200,
'cluster_id': cluster.id
}
ng = NetworkGroup(**kw)
self.db.add(ng)
self.db.commit()
self.env.network_manager.create_networks(ng)
nets_db = self.db.query(Network).filter(
not_(Network.name == "fuelweb_admin")).all()
self.assertEquals(len(nets_db), 1)
self.assertEquals(nets_db[0].vlan_id, kw['vlan_start'])
self.assertEquals(nets_db[0].name, kw['name'])
self.assertEquals(nets_db[0].cidr, kw['cidr'])
def test_network_group_sets_correct_gateway_for_few_nets(self):
cluster = self.env.create_cluster(api=False)
kw = {
'release': cluster.release_id,
'cidr': '10.0.0.0/8',
'netmask': '255.0.0.0',
'network_size': 128,
'name': 'fixed',
'vlan_start': 200,
'amount': 2,
'gateway': "10.0.0.5",
'cluster_id': cluster.id
}
ng = NetworkGroup(**kw)
self.db.add(ng)
self.db.commit()
self.env.network_manager.create_networks(ng)
nets_db = self.db.query(Network).filter(
not_(Network.name == "fuelweb_admin")).all()
self.assertEquals(len(nets_db), kw['amount'])
self.assertEquals(nets_db[0].gateway, "10.0.0.5")
self.assertEquals(nets_db[1].gateway, "10.0.0.5")
def PUT(self, cluster_id):
cluster = self.get_object_or_404(Cluster, cluster_id)
try:
data = self.validator.validate_networks_update(web.data())
except web.webapi.badrequest as exc:
task = Task(name='check_networks', cluster=cluster)
db().add(task)
db().commit()
TaskHelper.set_error(task.uuid, exc.data)
logger.error(traceback.format_exc())
json_task = build_json_response(TaskHandler.render(task))
raise web.accepted(data=json_task)
vlan_ids = [{
'name': n['name'],
'vlans': NetworkGroup.generate_vlan_ids_list(n)
} for n in data['networks']]
task_manager = VerifyNetworksTaskManager(cluster_id=cluster.id)
task = task_manager.execute(data, vlan_ids)
return TaskHandler.render(task)
def test_network_group_slices_cidr_for_networks(self):
cluster = self.env.create_cluster(api=False)
kw = {
'release': cluster.release_id,
'cidr': '10.0.0.0/8',
'netmask': '255.0.0.0',
'network_size': 128,
'name': 'fixed',
'access': 'private',
'vlan_start': 200,
'amount': 2,
'cluster_id': cluster.id
}
ng = NetworkGroup(**kw)
self.db.add(ng)
self.db.commit()
self.env.network_manager.create_networks(ng)
nets_db = self.db.query(Network).filter(
not_(Network.name == "fuelweb_admin")).all()
self.assertEquals(len(nets_db), kw['amount'])
self.assertEquals(nets_db[0].cidr, '10.0.0.0/25')
self.assertEquals(nets_db[1].cidr, '10.0.0.128/25')
self.db.refresh(ng)
self.assertEquals(ng.cidr, '10.0.0.0/8')
def create_network_groups(self, cluster_id):
'''
Method for creation of network groups for cluster.
:param cluster_id: Cluster database ID.
:type cluster_id: int
:returns: None
:raises: errors.OutOfVLANs, errors.OutOfIPs,
errors.NoSuitableCIDR
'''
used_nets = [n.cidr for n in self.db.query(Network).all()]
used_vlans = [v.id for v in self.db.query(Vlan).all()]
cluster_db = self.db.query(Cluster).get(cluster_id)
networks_metadata = cluster_db.release.networks_metadata
free_vlans = set(
range(int(settings.VLANS_RANGE_START), int(
settings.VLANS_RANGE_END))) - set(used_vlans)
if not free_vlans or len(free_vlans) < len(networks_metadata):
raise errors.OutOfVLANs()
for network in networks_metadata:
vlan_start = sorted(list(free_vlans))[0]
logger.debug(u"Found free vlan: %s", vlan_start)
pool = settings.NETWORK_POOLS.get(network['access'])
if not pool:
raise errors.InvalidNetworkAccess(
u"Invalid access '{0}' for network '{1}'".format(
network['access'], network['name']))
nets_free_set = IPSet(pool) -\
IPSet(settings.NET_EXCLUDE) -\
IPSet(
IPRange(
settings.ADMIN_NETWORK["first"],
settings.ADMIN_NETWORK["last"]
)
) -\
IPSet(used_nets)
if not nets_free_set:
raise errors.OutOfIPs()
free_cidrs = sorted(list(nets_free_set._cidrs))
new_net = None
for fcidr in free_cidrs:
for n in fcidr.subnet(24, count=1):
new_net = n
break
if new_net:
break
if not new_net:
raise errors.NoSuitableCIDR()
new_ip_range = IPAddrRange(first=str(new_net[2]),
last=str(new_net[-2]))
nw_group = NetworkGroup(release=cluster_db.release.id,
name=network['name'],
access=network['access'],
cidr=str(new_net),
netmask=str(new_net.netmask),
gateway=str(new_net[1]),
cluster_id=cluster_id,
vlan_start=vlan_start,
amount=1)
self.db.add(nw_group)
self.db.commit()
nw_group.ip_ranges.append(new_ip_range)
self.db.commit()
self.create_networks(nw_group)
free_vlans = free_vlans - set([vlan_start])
used_nets.append(str(new_net))
def create_network_groups(self, cluster_id):
'''Method for creation of network groups for cluster.
:param cluster_id: Cluster database ID.
:type cluster_id: int
:returns: None
:raises: errors.OutOfVLANs, errors.OutOfIPs,
errors.NoSuitableCIDR
'''
used_nets = []
used_vlans = []
global_params = db().query(GlobalParameters).first()
cluster_db = db().query(Cluster).get(cluster_id)
networks_metadata = cluster_db.release.networks_metadata
admin_network_range = db().query(IPAddrRange).filter_by(
network_group_id=self.get_admin_network_group_id()).all()[0]
def _free_vlans():
free_vlans = set(range(
*global_params.parameters["vlan_range"])) - set(used_vlans)
if not free_vlans or len(free_vlans) < len(networks_metadata):
raise errors.OutOfVLANs()
return sorted(list(free_vlans))
public_vlan = _free_vlans()[0]
used_vlans.append(public_vlan)
for network in networks_metadata:
free_vlans = _free_vlans()
vlan_start = public_vlan if network.get("use_public_vlan") \
else free_vlans[0]
logger.debug("Found free vlan: %s", vlan_start)
pool = network.get('pool')
if not pool:
raise errors.InvalidNetworkPool(
u"Invalid pool '{0}' for network '{1}'".format(
pool, network['name']))
nets_free_set = IPSet(pool) -\
IPSet(
IPNetwork(global_params.parameters["net_exclude"])
) -\
IPSet(
IPRange(
admin_network_range.first,
admin_network_range.last
)
) -\
IPSet(used_nets)
if not nets_free_set:
raise errors.OutOfIPs()
free_cidrs = sorted(list(nets_free_set._cidrs))
new_net = None
for fcidr in free_cidrs:
for n in fcidr.subnet(24, count=1):
new_net = n
break
if new_net:
break
if not new_net:
raise errors.NoSuitableCIDR()
new_ip_range = IPAddrRange(first=str(new_net[2]),
last=str(new_net[-2]))
nw_group = NetworkGroup(release=cluster_db.release.id,
name=network['name'],
cidr=str(new_net),
netmask=str(new_net.netmask),
gateway=str(new_net[1]),
cluster_id=cluster_id,
vlan_start=vlan_start,
amount=1)
db().add(nw_group)
db().commit()
nw_group.ip_ranges.append(new_ip_range)
db().commit()
self.create_networks(nw_group)
used_vlans.append(vlan_start)
used_nets.append(str(new_net))
