def migrate_ips(self, block=None):
"""3. Migrate m.ip_addresses -> q.quark_ip_addresses
This migration is complicated. I believe q.subnets will need to be
populated during this step as well. m.ip_addresses is scattered all
over the place and it is not a 1:1 relationship between m -> q.
Some more thought will be needed for this one.
First we need to use m.ip_addresses to find the relationship between
the ip_block and the m.interfaces. After figuring out that it will
then be possible to create a q.subnet connected to the network.
"""
addresses = self.melange_session.query(melange.IpAddresses)\
.filter_by(ip_block_id=block.id).all()
for address in addresses:
init_id(self.json_data, 'ips', address.id)
"""Populate interface_network cache"""
interface = address.interface_id
if interface is not None and\
interface not in self.interface_network:
self.interface_network[interface] = \
trim_br(block.network_id)
if interface in self.interface_network and\
self.interface_network[interface] != \
trim_br(block.network_id):
self.log.error("Found interface with different "
"network id: {0} != {1}"
.format(self.interface_network[interface],
trim_br(block.network_id)))
deallocated = False
deallocated_at = None
# If marked for deallocation
# put it into the quark ip table as deallocated
if address.marked_for_deallocation == 1:
deallocated = True
deallocated_at = address.deallocated_at
ip_address = netaddr.IPAddress(address.address)
q_ip = quarkmodels.IPAddress(id=address.id,
created_at=address.created_at,
used_by_tenant_id=
address.used_by_tenant_id,
network_id=
trim_br(block.network_id),
subnet_id=block.id,
version=ip_address.version,
address_readable=address.address,
deallocated_at=deallocated_at,
_deallocated=deallocated,
address=int(ip_address.ipv6()))
# Populate interface_ip cache
if interface not in self.interface_ip:
self.interface_ip[interface] = set()
self.interface_ip[interface].add(q_ip)
self.add_to_session(q_ip, 'ips', q_ip.id)
def migrate_ips(self, block=None):
"""3. Migrate m.ip_addresses -> q.quark_ip_addresses
This migration is complicated. I believe q.subnets will need to be
populated during this step as well. m.ip_addresses is scattered all
over the place and it is not a 1:1 relationship between m -> q.
Some more thought will be needed for this one.
First we need to use m.ip_addresses to find the relationship between
the ip_block and the m.interfaces. After figuring out that it will
then be possible to create a q.subnet connected to the network.
"""
addresses = self.melange_session.query(melange.IpAddresses)\
.filter_by(ip_block_id=block.id).all()
for address in addresses:
init_id(self.json_data, 'ips', address.id)
"""Populate interface_network cache"""
interface = address.interface_id
if interface is not None and\
interface not in self.interface_network:
self.interface_network[interface] = \
trim_br(block.network_id)
if interface in self.interface_network and\
self.interface_network[interface] != \
trim_br(block.network_id):
self.log.error("Found interface with different "
"network id: {0} != {1}".format(
self.interface_network[interface],
trim_br(block.network_id)))
deallocated = False
deallocated_at = None
# If marked for deallocation
# put it into the quark ip table as deallocated
if address.marked_for_deallocation == 1:
deallocated = True
deallocated_at = address.deallocated_at
ip_address = netaddr.IPAddress(address.address)
q_ip = quarkmodels.IPAddress(
id=address.id,
created_at=address.created_at,
used_by_tenant_id=address.used_by_tenant_id,
network_id=trim_br(block.network_id),
subnet_id=block.id,
version=ip_address.version,
address_readable=address.address,
deallocated_at=deallocated_at,
_deallocated=deallocated,
address=int(ip_address.ipv6()))
# Populate interface_ip cache
if interface not in self.interface_ip:
self.interface_ip[interface] = set()
self.interface_ip[interface].add(q_ip)
self.add_to_session(q_ip, 'ips', q_ip.id)
def migrate_networks(self):
"""1. Migrate the m.ip_blocks -> q.quark_networks
Migration of ip_blocks to networks requires one take into
consideration that blocks can have 'children' blocks. A scan of
the melange tables shows though that this feature hasn't been
used.
An ip_block has a cidr which maps to a corresponding subnet
in quark.
"""
blocks = self.melange_session.query(melange.IpBlocks).all()
networks = dict()
"""Create the networks using the network_id. It is assumed that
a network can only belong to one tenant"""
for block in blocks:
init_id(self.json_data, 'networks', trim_br(block.network_id))
if trim_br(block.network_id) not in networks:
networks[trim_br(block.network_id)] = {
"tenant_id": block.tenant_id,
"name": block.network_name,
"max_allocation": block.max_allocation,
"created_at": block.created_at
}
elif trim_br(block.network_id) in networks:
if networks[trim_br(
block.network_id
)]["created_at"] > block.created_at: # noqa
networks[trim_br(
block.network_id
)]["created_at"] = block.created_at # noqa
elif networks[trim_br(
block.network_id)]["tenant_id"] != block.tenant_id:
r = "Found different tenant on network:{0} != {1}"\
.format(networks[trim_br(
block.network_id)]["tenant_id"],
block.tenant_id)
self.log.critical(r)
set_reason(self.json_data, 'networks',
trim_br(block.network_id), r)
raise Exception
for net in networks:
cache_net = networks[net]
q_network = quarkmodels.Network(
id=net,
tenant_id=cache_net["tenant_id"],
name=cache_net["name"],
max_allocation=cache_net["max_allocation"])
self.add_to_session(q_network, 'networks', net)
blocks_without_policy = 0
for block in blocks:
init_id(self.json_data, 'subnets', block.id)
q_subnet = quarkmodels.Subnet(id=block.id,
network_id=trim_br(block.network_id),
tenant_id=block.tenant_id,
cidr=block.cidr,
do_not_use=block.omg_do_not_use,
created_at=block.created_at)
self.add_to_session(q_subnet, 'subnets', q_subnet.id)
q_dns1 = quarkmodels.DNSNameserver(
tenant_id=block.tenant_id,
created_at=block.created_at,
ip=int(netaddr.IPAddress(block.dns1)), # noqa
subnet_id=q_subnet.id)
q_dns2 = quarkmodels.DNSNameserver(
tenant_id=block.tenant_id,
created_at=block.created_at,
ip=int(netaddr.IPAddress(block.dns2)), # noqa
subnet_id=q_subnet.id)
self.new_to_session(q_dns1)
self.new_to_session(q_dns2)
self.migrate_ips(block=block)
self.migrate_routes(block=block)
# caching policy_ids for use in migrate_policies
if block.policy_id:
if block.policy_id not in self.policy_ids.keys():
self.policy_ids[block.policy_id] = {}
self.policy_ids[block.policy_id][block.id] =\
trim_br(block.network_id)
else:
self.log.warning("Found block without a policy: {0}".format(
block.id))
blocks_without_policy += 1
# have to add new routes as well:
new_gates = 0
for block in blocks:
if block.gateway:
self.migrate_new_routes(block)
new_gates += 1
self.log.info(
"Cached {0} policy_ids. {1} blocks found without policy.".format(
len(self.policy_ids), blocks_without_policy))
self.log.info("{0} brand new gateways created.".format(new_gates))
def migrate_networks(self):
"""1. Migrate the m.ip_blocks -> q.quark_networks
Migration of ip_blocks to networks requires one take into
consideration that blocks can have 'children' blocks. A scan of
the melange tables shows though that this feature hasn't been
used.
An ip_block has a cidr which maps to a corresponding subnet
in quark.
"""
blocks = self.melange_session.query(melange.IpBlocks).all()
networks = dict()
"""Create the networks using the network_id. It is assumed that
a network can only belong to one tenant"""
for block in blocks:
init_id(self.json_data, 'networks', trim_br(block.network_id))
if trim_br(block.network_id) not in networks:
networks[trim_br(block.network_id)] = {
"tenant_id": block.tenant_id,
"name": block.network_name,
"max_allocation": block.max_allocation,
"created_at": block.created_at}
elif trim_br(block.network_id) in networks:
if networks[trim_br(block.network_id)]["created_at"] > block.created_at: # noqa
networks[trim_br(block.network_id)]["created_at"] = block.created_at # noqa
elif networks[trim_br(
block.network_id)]["tenant_id"] != block.tenant_id:
r = "Found different tenant on network:{0} != {1}"\
.format(networks[trim_br(
block.network_id)]["tenant_id"],
block.tenant_id)
self.log.critical(r)
set_reason(self.json_data, 'networks',
trim_br(block.network_id), r)
raise Exception
for net in networks:
cache_net = networks[net]
q_network = quarkmodels.Network(id=net,
tenant_id=cache_net["tenant_id"],
name=cache_net["name"],
max_allocation=
cache_net["max_allocation"])
self.add_to_session(q_network, 'networks', net)
blocks_without_policy = 0
for block in blocks:
init_id(self.json_data, 'subnets', block.id)
q_subnet = quarkmodels.Subnet(id=block.id,
network_id=
trim_br(block.network_id),
tenant_id=block.tenant_id,
cidr=block.cidr,
do_not_use=block.omg_do_not_use,
created_at=block.created_at)
self.add_to_session(q_subnet, 'subnets', q_subnet.id)
q_dns1 = quarkmodels.DNSNameserver(tenant_id=block.tenant_id,
created_at=block.created_at,
ip=
int(netaddr.IPAddress(block.dns1)), # noqa
subnet_id=q_subnet.id)
q_dns2 = quarkmodels.DNSNameserver(tenant_id=block.tenant_id,
created_at=block.created_at,
ip=
int(netaddr.IPAddress(block.dns2)), # noqa
subnet_id=q_subnet.id)
self.new_to_session(q_dns1)
self.new_to_session(q_dns2)
self.migrate_ips(block=block)
self.migrate_routes(block=block)
# caching policy_ids for use in migrate_policies
if block.policy_id:
if block.policy_id not in self.policy_ids.keys():
self.policy_ids[block.policy_id] = {}
self.policy_ids[block.policy_id][block.id] =\
trim_br(block.network_id)
else:
self.log.warning("Found block without a policy: {0}"
.format(block.id))
blocks_without_policy += 1
# have to add new routes as well:
new_gates = 0
for block in blocks:
if block.gateway:
self.migrate_new_routes(block)
new_gates += 1
self.log.info("Cached {0} policy_ids. {1} blocks found without policy."
.format(len(self.policy_ids), blocks_without_policy))
self.log.info("{0} brand new gateways created.".format(new_gates))
