def select_subnet(self, context, net_id, ip_address, segment_id,
subnet_ids=None, **filters):
subnets = db_api.subnet_find_allocation_counts(
context, net_id, segment_id=segment_id, scope=db_api.ALL,
subnet_id=subnet_ids, **filters)
for subnet, ips_in_subnet in subnets:
ipnet = netaddr.IPNetwork(subnet["cidr"])
if ip_address and ip_address not in ipnet:
if subnet_ids is not None:
raise q_exc.IPAddressNotInSubnet(
ip_addr=ip_address, subnet_id=subnet["id"])
continue
ip_policy = None
if not ip_address:
# Policies don't prevent explicit assignment, so we only
# need to check if we're allocating a new IP
ip_policy = subnet.get("ip_policy")
policy_size = ip_policy["size"] if ip_policy else 0
if ipnet.size > (ips_in_subnet + policy_size - 1):
if not ip_address:
ip = subnet["next_auto_assign_ip"]
# If ip is somehow -1 in here don't touch it anymore
if ip != -1:
ip += 1
# and even then if it is outside the valid range set it to
# -1 to be safe
if ip < subnet["first_ip"] or ip > subnet["last_ip"]:
ip = -1
db_api.subnet_update(context, subnet,
next_auto_assign_ip=ip)
return subnet
def _stubs(self, network, subnet, address, lock=False):
self.ipam = quark.ipam.QuarkIpamANY()
with self.context.session.begin():
next_ip = subnet.pop("next_auto_assign_ip", 0)
net_mod = db_api.network_create(self.context, **network)
subnet["network"] = net_mod
sub_mod = db_api.subnet_create(self.context, **subnet)
address["network_id"] = net_mod["id"]
address["subnet_id"] = sub_mod["id"]
ip = db_api.ip_address_create(self.context, **address)
address.pop("address")
ip = db_api.ip_address_update(self.context, ip, **address)
# NOTE(asadoughi): update after cidr constructor has been invoked
db_api.subnet_update(self.context,
sub_mod,
next_auto_assign_ip=next_ip)
if lock:
db_api.lock_holder_create(self.context,
ip,
name="testlock",
type="ip_address")
yield net_mod
def _stubs(self, network, subnet):
self.ipam = quark.ipam.QuarkIpamANY()
with self.context.session.begin():
next_ip = subnet.pop("next_auto_assign_ip", 0)
net_mod = db_api.network_create(self.context, **network)
subnet["network"] = net_mod
sub_mod = db_api.subnet_create(self.context, **subnet)
# NOTE(asadoughi): update after cidr constructor has been invoked
db_api.subnet_update(self.context,
sub_mod,
next_auto_assign_ip=next_ip)
yield net_mod
def _stubs(self, network, subnet):
self.ipam = quark.ipam.QuarkIpamANY()
with self.context.session.begin():
next_ip = subnet.pop("next_auto_assign_ip", 0)
net_mod = db_api.network_create(self.context, **network)
subnet["network"] = net_mod
sub_mod = db_api.subnet_create(self.context, **subnet)
# NOTE(asadoughi): update after cidr constructor has been invoked
db_api.subnet_update(self.context,
sub_mod,
next_auto_assign_ip=next_ip)
yield net_mod
def _stubs(self, network, subnet, dealloc=True):
self.plugin = quark.plugin.Plugin()
self.ipam = quark.ipam.QuarkIpamANY()
with self.context.session.begin():
net_mod = db_api.network_create(self.context, **network)
subnet["network"] = net_mod
next_auto = subnet.pop("next_auto_assign_ip", 0)
sub_mod = db_api.subnet_create(self.context, **subnet)
db_api.subnet_update(self.context, sub_mod, next_auto_assign_ip=next_auto)
ip_addr = []
self.ipam.allocate_ip_address(self.context, ip_addr, net_mod["id"], 0, 0)
if dealloc:
self.ipam.deallocate_ip_address(self.context, ip_addr[0])
yield net_mod
def select_subnet(self,
context,
net_id,
ip_address,
segment_id,
subnet_ids=None,
**filters):
subnets = db_api.subnet_find_allocation_counts(context,
net_id,
segment_id=segment_id,
scope=db_api.ALL,
subnet_id=subnet_ids,
**filters)
for subnet, ips_in_subnet in subnets:
ipnet = netaddr.IPNetwork(subnet["cidr"])
if ip_address:
na_ip = netaddr.IPAddress(ip_address)
if ipnet.version == 4 and na_ip.version != 4:
na_ip = na_ip.ipv4()
if na_ip not in ipnet:
if subnet_ids is not None:
raise q_exc.IPAddressNotInSubnet(
ip_addr=ip_address, subnet_id=subnet["id"])
continue
ip_policy = None
if not ip_address:
# Policies don't prevent explicit assignment, so we only
# need to check if we're allocating a new IP
ip_policy = subnet.get("ip_policy")
policy_size = ip_policy["size"] if ip_policy else 0
if ipnet.size > (ips_in_subnet + policy_size - 1):
if not ip_address:
ip = subnet["next_auto_assign_ip"]
# If ip is somehow -1 in here don't touch it anymore
if ip != -1:
ip += 1
# and even then if it is outside the valid range set it to
# -1 to be safe
if ip < subnet["first_ip"] or ip > subnet["last_ip"]:
ip = -1
db_api.subnet_update(context,
subnet,
next_auto_assign_ip=ip)
return subnet
def update_subnet(context, id, subnet):
"""Update values of a subnet.
: param context: neutron api request context
: param id: UUID representing the subnet to update.
: param subnet: dictionary with keys indicating fields to update.
valid keys are those that have a value of True for 'allow_put'
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py.
"""
LOG.info("update_subnet %s for tenant %s" %
(id, context.tenant_id))
with context.session.begin():
subnet_db = db_api.subnet_find(context, id=id, scope=db_api.ONE)
if not subnet_db:
raise exceptions.SubnetNotFound(id=id)
s = subnet["subnet"]
dns_ips = s.pop("dns_nameservers", [])
host_routes = s.pop("host_routes", [])
gateway_ip = s.pop("gateway_ip", None)
if gateway_ip:
default_route = None
for route in host_routes:
netaddr_route = netaddr.IPNetwork(route["destination"])
if netaddr_route.value == routes.DEFAULT_ROUTE.value:
default_route = route
break
if default_route is None:
route_model = db_api.route_find(
context, cidr=str(routes.DEFAULT_ROUTE), subnet_id=id,
scope=db_api.ONE)
if route_model:
db_api.route_update(context, route_model,
gateway=gateway_ip)
else:
db_api.route_create(context,
cidr=str(routes.DEFAULT_ROUTE),
gateway=gateway_ip, subnet_id=id)
if dns_ips:
subnet_db["dns_nameservers"] = []
for dns_ip in dns_ips:
subnet_db["dns_nameservers"].append(db_api.dns_create(
context,
ip=netaddr.IPAddress(dns_ip)))
if host_routes:
subnet_db["routes"] = []
for route in host_routes:
subnet_db["routes"].append(db_api.route_create(
context, cidr=route["destination"], gateway=route["nexthop"]))
subnet = db_api.subnet_update(context, subnet_db, **s)
return v._make_subnet_dict(subnet)
def update_subnet(context, id, subnet):
"""Update values of a subnet.
: param context: neutron api request context
: param id: UUID representing the subnet to update.
: param subnet: dictionary with keys indicating fields to update.
valid keys are those that have a value of True for 'allow_put'
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py.
"""
LOG.info("update_subnet %s for tenant %s" % (id, context.tenant_id))
subnet_db = db_api.subnet_find(context, id=id, scope=db_api.ONE)
if not subnet_db:
raise exceptions.SubnetNotFound(id=id)
s = subnet["subnet"]
dns_ips = s.pop("dns_nameservers", [])
host_routes = s.pop("host_routes", [])
gateway_ip = s.pop("gateway_ip", None)
if gateway_ip:
default_route = None
for route in host_routes:
netaddr_route = netaddr.IPNetwork(route["destination"])
if netaddr_route.value == routes.DEFAULT_ROUTE.value:
default_route = route
break
if default_route is None:
route_model = db_api.route_find(context,
cidr=str(routes.DEFAULT_ROUTE),
subnet_id=id,
scope=db_api.ONE)
if route_model:
db_api.route_update(context, route_model, gateway=gateway_ip)
else:
db_api.route_create(context,
cidr=str(routes.DEFAULT_ROUTE),
gateway=gateway_ip,
subnet_id=id)
if dns_ips:
subnet_db["dns_nameservers"] = []
for dns_ip in dns_ips:
subnet_db["dns_nameservers"].append(
db_api.dns_create(context, ip=netaddr.IPAddress(dns_ip)))
if host_routes:
subnet_db["routes"] = []
for route in host_routes:
subnet_db["routes"].append(
db_api.route_create(context,
cidr=route["destination"],
gateway=route["nexthop"]))
subnet = db_api.subnet_update(context, subnet_db, **s)
return v._make_subnet_dict(subnet, default_route=routes.DEFAULT_ROUTE)
def _fixtures(self, models):
self.ipam = quark.ipam.QuarkIpamANY()
net = dict(name="public", tenant_id='fake')
net_mod = db_api.network_create(self.context, **net)
with self.context.session.begin():
for model in models:
policy_mod = db_api.ip_policy_create(self.context,
**model['ip_policy'])
model['subnet']["network"] = net_mod
model['subnet']["ip_policy"] = policy_mod
next_ip = model['subnet'].pop("next_auto_assign_ip", 0)
sub_mod = db_api.subnet_create(self.context, **model['subnet'])
# NOTE(amir): update after cidr constructor has been invoked
db_api.subnet_update(self.context,
sub_mod,
next_auto_assign_ip=next_ip)
yield net_mod
def _fixtures(self, models):
self.ipam = quark.ipam.QuarkIpamANY()
net = dict(name="public", tenant_id='fake')
net_mod = db_api.network_create(self.context, **net)
with self.context.session.begin():
for model in models:
policy_mod = db_api.ip_policy_create(
self.context, **model['ip_policy'])
model['subnet']["network"] = net_mod
model['subnet']["ip_policy"] = policy_mod
next_ip = model['subnet'].pop("next_auto_assign_ip", 0)
sub_mod = db_api.subnet_create(self.context, **model['subnet'])
# NOTE(amir): update after cidr constructor has been invoked
db_api.subnet_update(self.context,
sub_mod,
next_auto_assign_ip=next_ip)
yield net_mod
def _stubs(self, network, subnet, dealloc=True):
self.plugin = quark.plugin.Plugin()
self.ipam = quark.ipam.QuarkIpamANY()
with self.context.session.begin():
net_mod = db_api.network_create(self.context, **network)
subnet["network"] = net_mod
next_auto = subnet.pop("next_auto_assign_ip", 0)
sub_mod = db_api.subnet_create(self.context, **subnet)
db_api.subnet_update(self.context,
sub_mod,
next_auto_assign_ip=next_auto)
ip_addr = []
self.ipam.allocate_ip_address(self.context, ip_addr, net_mod["id"], 0,
0)
if dealloc:
self.ipam.deallocate_ip_address(self.context, ip_addr[0])
yield net_mod
def _stubs(self, network, subnets, ipam_strategy):
self.ipam = ipam_strategy
with self.context.session.begin():
net_mod = db_api.network_create(self.context, **network)
next_ip = []
sub_mod = []
for sub in subnets:
next_ip.append(sub.pop("next_auto_assign_ip", 0))
sub["network"] = net_mod
sub_mod.append(db_api.subnet_create(self.context, **sub))
for sub, ip_next in zip(sub_mod, next_ip):
# NOTE(asadoughi): update after cidr constructor has been
# invoked
db_api.subnet_update(self.context,
sub,
next_auto_assign_ip=ip_next)
yield net_mod, sub_mod
with self.context.session.begin():
for sub in sub_mod:
db_api.subnet_delete(self.context, sub)
db_api.network_delete(self.context, net_mod)
def _stubs(self, network, subnets, ipam_strategy):
self.ipam = ipam_strategy
with self.context.session.begin():
net_mod = db_api.network_create(self.context, **network)
next_ip = []
sub_mod = []
for sub in subnets:
next_ip.append(sub.pop("next_auto_assign_ip", 0))
sub["network"] = net_mod
sub_mod.append(db_api.subnet_create(self.context, **sub))
for sub, ip_next in zip(sub_mod, next_ip):
# NOTE(asadoughi): update after cidr constructor has been
# invoked
db_api.subnet_update(self.context,
sub,
next_auto_assign_ip=ip_next)
yield net_mod, sub_mod
with self.context.session.begin():
for sub in sub_mod:
db_api.subnet_delete(self.context, sub)
db_api.network_delete(self.context, net_mod)
def _stubs(self, network, subnet, address, lock=False):
self.ipam = quark.ipam.QuarkIpamANY()
with self.context.session.begin():
next_ip = subnet.pop("next_auto_assign_ip", 0)
net_mod = db_api.network_create(self.context, **network)
subnet["network"] = net_mod
sub_mod = db_api.subnet_create(self.context, **subnet)
address["network_id"] = net_mod["id"]
address["subnet_id"] = sub_mod["id"]
ip = db_api.ip_address_create(self.context, **address)
address.pop("address")
ip = db_api.ip_address_update(self.context, ip, **address)
# NOTE(asadoughi): update after cidr constructor has been invoked
db_api.subnet_update(self.context,
sub_mod,
next_auto_assign_ip=next_ip)
if lock:
db_api.lock_holder_create(self.context, ip,
name="testlock", type="ip_address")
yield net_mod
def update_subnet(context, id, subnet):
"""Update values of a subnet.
: param context: neutron api request context
: param id: UUID representing the subnet to update.
: param subnet: dictionary with keys indicating fields to update.
valid keys are those that have a value of True for 'allow_put'
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py.
"""
LOG.info("update_subnet %s for tenant %s" %
(id, context.tenant_id))
with context.session.begin():
subnet_db = db_api.subnet_find(context, None, None, None, False, id=id,
scope=db_api.ONE)
if not subnet_db:
raise exceptions.SubnetNotFound(id=id)
s = subnet["subnet"]
always_pop = ["_cidr", "cidr", "first_ip", "last_ip", "ip_version",
"segment_id", "network_id"]
admin_only = ["do_not_use", "created_at", "tenant_id",
"next_auto_assign_ip", "enable_dhcp"]
utils.filter_body(context, s, admin_only, always_pop)
dns_ips = utils.pop_param(s, "dns_nameservers", [])
host_routes = utils.pop_param(s, "host_routes", [])
gateway_ip = utils.pop_param(s, "gateway_ip", None)
allocation_pools = utils.pop_param(s, "allocation_pools", None)
if not CONF.QUARK.allow_allocation_pool_update:
if allocation_pools:
raise exceptions.BadRequest(
resource="subnets",
msg="Allocation pools cannot be updated.")
alloc_pools = allocation_pool.AllocationPools(
subnet_db["cidr"],
policies=models.IPPolicy.get_ip_policy_cidrs(subnet_db))
else:
alloc_pools = allocation_pool.AllocationPools(subnet_db["cidr"],
allocation_pools)
quota.QUOTAS.limit_check(
context,
context.tenant_id,
alloc_pools_per_subnet=len(alloc_pools))
if gateway_ip:
alloc_pools.validate_gateway_excluded(gateway_ip)
default_route = None
for route in host_routes:
netaddr_route = netaddr.IPNetwork(route["destination"])
if netaddr_route.value == routes.DEFAULT_ROUTE.value:
default_route = route
break
if default_route is None:
route_model = db_api.route_find(
context, cidr=str(routes.DEFAULT_ROUTE), subnet_id=id,
scope=db_api.ONE)
if route_model:
db_api.route_update(context, route_model,
gateway=gateway_ip)
else:
db_api.route_create(context,
cidr=str(routes.DEFAULT_ROUTE),
gateway=gateway_ip, subnet_id=id)
if dns_ips:
subnet_db["dns_nameservers"] = []
quota.QUOTAS.limit_check(context, context.tenant_id,
dns_nameservers_per_subnet=len(dns_ips))
for dns_ip in dns_ips:
subnet_db["dns_nameservers"].append(db_api.dns_create(
context,
ip=netaddr.IPAddress(dns_ip)))
if host_routes:
subnet_db["routes"] = []
quota.QUOTAS.limit_check(context, context.tenant_id,
routes_per_subnet=len(host_routes))
for route in host_routes:
subnet_db["routes"].append(db_api.route_create(
context, cidr=route["destination"], gateway=route["nexthop"]))
if CONF.QUARK.allow_allocation_pool_update:
if isinstance(allocation_pools, list):
cidrs = alloc_pools.get_policy_cidrs()
ip_policies.ensure_default_policy(cidrs, [subnet_db])
subnet_db["ip_policy"] = db_api.ip_policy_update(
context, subnet_db["ip_policy"], exclude=cidrs)
# invalidate the cache
db_api.subnet_update_set_alloc_pool_cache(context, subnet_db)
subnet = db_api.subnet_update(context, subnet_db, **s)
return v._make_subnet_dict(subnet)
def _set_subnet_next_auto_assign_ip(self, context, subnet, ip):
with context.session.begin():
db_api.subnet_update(context, subnet, next_auto_assign_ip=ip)
def update_subnet(context, id, subnet):
"""Update values of a subnet.
: param context: neutron api request context
: param id: UUID representing the subnet to update.
: param subnet: dictionary with keys indicating fields to update.
valid keys are those that have a value of True for 'allow_put'
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py.
"""
LOG.info("update_subnet %s for tenant %s" % (id, context.tenant_id))
with context.session.begin():
subnet_db = db_api.subnet_find(context,
None,
None,
None,
False,
id=id,
scope=db_api.ONE)
if not subnet_db:
raise exceptions.SubnetNotFound(id=id)
s = subnet["subnet"]
always_pop = [
"_cidr", "cidr", "first_ip", "last_ip", "ip_version", "segment_id",
"network_id"
]
admin_only = [
"do_not_use", "created_at", "tenant_id", "next_auto_assign_ip",
"enable_dhcp"
]
utils.filter_body(context, s, admin_only, always_pop)
dns_ips = utils.pop_param(s, "dns_nameservers", [])
host_routes = utils.pop_param(s, "host_routes", [])
gateway_ip = utils.pop_param(s, "gateway_ip", None)
allocation_pools = utils.pop_param(s, "allocation_pools", None)
if not CONF.QUARK.allow_allocation_pool_update:
if allocation_pools:
raise exceptions.BadRequest(
resource="subnets",
msg="Allocation pools cannot be updated.")
alloc_pools = allocation_pool.AllocationPools(
subnet_db["cidr"],
policies=models.IPPolicy.get_ip_policy_cidrs(subnet_db))
else:
alloc_pools = allocation_pool.AllocationPools(
subnet_db["cidr"], allocation_pools)
quota.QUOTAS.limit_check(context,
context.tenant_id,
alloc_pools_per_subnet=len(alloc_pools))
if gateway_ip:
alloc_pools.validate_gateway_excluded(gateway_ip)
default_route = None
for route in host_routes:
netaddr_route = netaddr.IPNetwork(route["destination"])
if netaddr_route.value == routes.DEFAULT_ROUTE.value:
default_route = route
break
if default_route is None:
route_model = db_api.route_find(context,
cidr=str(routes.DEFAULT_ROUTE),
subnet_id=id,
scope=db_api.ONE)
if route_model:
db_api.route_update(context,
route_model,
gateway=gateway_ip)
else:
db_api.route_create(context,
cidr=str(routes.DEFAULT_ROUTE),
gateway=gateway_ip,
subnet_id=id)
if dns_ips:
subnet_db["dns_nameservers"] = []
quota.QUOTAS.limit_check(context,
context.tenant_id,
dns_nameservers_per_subnet=len(dns_ips))
for dns_ip in dns_ips:
subnet_db["dns_nameservers"].append(
db_api.dns_create(context, ip=netaddr.IPAddress(dns_ip)))
if host_routes:
subnet_db["routes"] = []
quota.QUOTAS.limit_check(context,
context.tenant_id,
routes_per_subnet=len(host_routes))
for route in host_routes:
subnet_db["routes"].append(
db_api.route_create(context,
cidr=route["destination"],
gateway=route["nexthop"]))
if CONF.QUARK.allow_allocation_pool_update:
if isinstance(allocation_pools, list):
cidrs = alloc_pools.get_policy_cidrs()
ip_policies.ensure_default_policy(cidrs, [subnet_db])
subnet_db["ip_policy"] = db_api.ip_policy_update(
context, subnet_db["ip_policy"], exclude=cidrs)
# invalidate the cache
db_api.subnet_update_set_alloc_pool_cache(context, subnet_db)
subnet = db_api.subnet_update(context, subnet_db, **s)
return v._make_subnet_dict(subnet)
