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_interfaces(self):
env = 'ordpreprod'
creds = get_connection_creds(env)
nova = query.Nova(creds['nova_url'], creds['nova_username'],
creds['nova_password'])
melanged = query.Melange(creds['melange_url'],
creds['melange_username'],
creds['melange_password'])
# grab all instances from nova
instances = nova.get_instances_hashed_by_id()
# grab all interfaces from melange
interfaces_good = melanged.get_interfaces_hashed_by_device_id()
interfaces_all = self.melange_session.query(melange.Interfaces).all()
no_network_count = 0
good_device_ids = []
for k, v in interfaces_good.iteritems():
if k not in instances:
# this is not a garbage interface
# print 'interface device_id |%s| found in nova!!' % k
# self.log.critical("NVP_TEMP_KEY needs to be updated.")
good_device_ids.append(k)
for interface in interfaces_all:
if interface.device_id in good_device_ids:
init_id(self.json_data, "interfaces", interface.id)
if interface.id not in self.interface_network:
set_reason(self.json_data, "interfaces", interface.id,
"no network")
no_network_count += 1
continue
network_id = self.interface_network[interface.id]
self.interface_tenant[interface.id] = interface.tenant_id
q_port = quarkmodels.Port(
id=interface.id,
device_id=interface.device_id,
tenant_id=interface.tenant_id,
created_at=interface.created_at,
backend_key=interface.vif_id_on_device,
network_id=network_id)
lswitch_id = str(uuid4())
q_nvp_switch = optdriver.LSwitch(id=lswitch_id,
nvp_id=network_id,
network_id=network_id,
display_name=network_id)
port_id = interface.vif_id_on_device
if not port_id:
port_id = "NVP_TEMP_KEY"
q_nvp_port = optdriver.LSwitchPort(port_id=port_id,
switch_id=lswitch_id)
self.port_cache[interface.id] = q_port
self.add_to_session(q_port, "interfaces", q_port.id)
self.add_to_session(q_nvp_switch, "switch", q_nvp_switch.id)
self.add_to_session(q_nvp_port, "nvp_port", q_nvp_port.id)
self.log.info("Found {0} interfaces without a network.".format(
str(no_network_count)))
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_interfaces(self):
env = 'ordpreprod'
creds = get_connection_creds(env)
nova = query.Nova(creds['nova_url'], creds['nova_username'],
creds['nova_password'])
melanged = query.Melange(creds['melange_url'], creds['melange_username'],
creds['melange_password'])
# grab all instances from nova
instances = nova.get_instances_hashed_by_id()
# grab all interfaces from melange
interfaces_good = melanged.get_interfaces_hashed_by_device_id()
interfaces_all = self.melange_session.query(melange.Interfaces).all()
no_network_count = 0
good_device_ids = []
for k, v in interfaces_good.iteritems():
if k not in instances:
# this is not a garbage interface
# print 'interface device_id |%s| found in nova!!' % k
# self.log.critical("NVP_TEMP_KEY needs to be updated.")
good_device_ids.append(k)
for interface in interfaces_all:
if interface.device_id in good_device_ids:
init_id(self.json_data, "interfaces", interface.id)
if interface.id not in self.interface_network:
set_reason(self.json_data, "interfaces",
interface.id, "no network")
no_network_count += 1
continue
network_id = self.interface_network[interface.id]
self.interface_tenant[interface.id] = interface.tenant_id
q_port = quarkmodels.Port(id=interface.id,
device_id=interface.device_id,
tenant_id=interface.tenant_id,
created_at=interface.created_at,
backend_key=
interface.vif_id_on_device,
network_id=network_id)
lswitch_id = str(uuid4())
q_nvp_switch = optdriver.LSwitch(id=lswitch_id,
nvp_id=network_id,
network_id=network_id,
display_name=network_id)
port_id = interface.vif_id_on_device
if not port_id:
port_id = "NVP_TEMP_KEY"
q_nvp_port = optdriver.LSwitchPort(port_id=port_id,
switch_id=lswitch_id)
self.port_cache[interface.id] = q_port
self.add_to_session(q_port, "interfaces", q_port.id)
self.add_to_session(q_nvp_switch, "switch",
q_nvp_switch.id)
self.add_to_session(q_nvp_port, "nvp_port", q_nvp_port.id)
self.log.info("Found {0} interfaces without a network."
.format(str(no_network_count)))
def migrate_routes(self, block=None):
routes = self.melange_session.query(melange.IpRoutes)\
.filter_by(source_block_id=block.id).all()
for route in routes:
init_id(self.json_data, 'routes', route.id)
q_route = quarkmodels.Route(id=route.id,
cidr=translate_netmask(
route.netmask, route.destination),
tenant_id=block.tenant_id,
gateway=route.gateway,
created_at=block.created_at,
subnet_id=block.id)
self.add_to_session(q_route, 'routes', q_route.id)
def migrate_routes(self, block=None):
routes = self.melange_session.query(melange.IpRoutes)\
.filter_by(source_block_id=block.id).all()
for route in routes:
init_id(self.json_data, 'routes', route.id)
q_route = quarkmodels.Route(id=route.id,
cidr=
translate_netmask(route.netmask,
route.destination),
tenant_id=block.tenant_id,
gateway=route.gateway,
created_at=block.created_at,
subnet_id=block.id)
self.add_to_session(q_route, 'routes', q_route.id)
def migrate_macs(self):
"""2. Migrate the m.mac_address -> q.quark_mac_addresses
This is the next simplest but the relationship between quark_networks
and quark_mac_addresses may be complicated to set up (if it exists)
"""
"""Only migrating the first mac_address_range from melange."""
import netaddr
mac_range = self.melange_session.query(
melange.MacAddressRanges).first()
cidr = mac_range.cidr
init_id(self.json_data, 'mac_ranges', mac_range.id)
try:
cidr, first_address, last_address = to_mac_range(cidr)
except ValueError as e:
set_reason(self.json_data, mac_range.id, "mac_ranges", e.message)
self.log.critical(e.message)
return None
except netaddr.AddrFormatError as afe:
set_reason(self.json_data, mac_range.id, "mac_ranges", afe.message)
self.log.critical(afe.message)
return None
q_range = quarkmodels.MacAddressRange(
id=mac_range.id,
cidr=cidr,
created_at=mac_range.created_at,
first_address=first_address,
next_auto_assign_mac=first_address,
last_address=last_address)
self.add_to_session(q_range, 'mac_ranges', q_range.id)
res = self.melange_session.query(melange.MacAddresses).all()
no_network_count = 0
for mac in res:
init_id(self.json_data, 'macs', mac.address)
if mac.interface_id not in self.interface_network:
no_network_count += 1
r = "mac.interface_id {0} not in self.interface_network"\
.format(mac.interface_id)
set_reason(self.json_data, 'macs', mac.address, r)
continue
tenant_id = self.interface_tenant[mac.interface_id]
q_mac = quarkmodels.MacAddress(tenant_id=tenant_id,
created_at=mac.created_at,
mac_address_range_id=mac_range.id,
address=mac.address)
q_port = self.port_cache[mac.interface_id]
q_port.mac_address = q_mac.address
self.add_to_session(q_mac, 'macs', q_mac.address)
self.log.info("skipped {0} mac addresses".format(
str(no_network_count))) # noqa
def migrate_macs(self):
"""2. Migrate the m.mac_address -> q.quark_mac_addresses
This is the next simplest but the relationship between quark_networks
and quark_mac_addresses may be complicated to set up (if it exists)
"""
"""Only migrating the first mac_address_range from melange."""
import netaddr
mac_range = self.melange_session.query(
melange.MacAddressRanges).first()
cidr = mac_range.cidr
init_id(self.json_data, 'mac_ranges', mac_range.id)
try:
cidr, first_address, last_address = to_mac_range(cidr)
except ValueError as e:
set_reason(self.json_data, mac_range.id, "mac_ranges", e.message)
self.log.critical(e.message)
return None
except netaddr.AddrFormatError as afe:
set_reason(self.json_data, mac_range.id, "mac_ranges", afe.message)
self.log.critical(afe.message)
return None
q_range = quarkmodels.MacAddressRange(id=mac_range.id,
cidr=cidr,
created_at=mac_range.created_at,
first_address=first_address,
next_auto_assign_mac=
first_address,
last_address=last_address)
self.add_to_session(q_range, 'mac_ranges', q_range.id)
res = self.melange_session.query(melange.MacAddresses).all()
no_network_count = 0
for mac in res:
init_id(self.json_data, 'macs', mac.address)
if mac.interface_id not in self.interface_network:
no_network_count += 1
r = "mac.interface_id {0} not in self.interface_network"\
.format(mac.interface_id)
set_reason(self.json_data, 'macs', mac.address, r)
continue
tenant_id = self.interface_tenant[mac.interface_id]
q_mac = quarkmodels.MacAddress(tenant_id=tenant_id,
created_at=mac.created_at,
mac_address_range_id=mac_range.id,
address=mac.address)
q_port = self.port_cache[mac.interface_id]
q_port.mac_address = q_mac.address
self.add_to_session(q_mac, 'macs', q_mac.address)
self.log.info("skipped {0} mac addresses".format(str(no_network_count))) # noqa
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_policies(self):
"""
Migrate policies
We exclude the default policies. These are octets that are 0 or
ip ranges that have offset 0 and length 1.
This is another time-consuming function, but optimization will not
yeild as much fruit as optimizing associate_ips_with_ports()
There is a minute or two of lag while this spins up, may be a way
to negate this.
"""
octets = self.melange_session.query(melange.IpOctets).all()
offsets = self.melange_session.query(melange.IpRanges).all()
for policy, policy_block_ids in self.policy_ids.items():
policy_octets = [o.octet for o in octets if o.policy_id == policy]
policy_rules = [(off.offset, off.length) for off in offsets
if off.policy_id == policy]
policy_rules = make_offset_lengths(policy_octets, policy_rules)
a = [o.created_at for o in octets if o.policy_id == policy]
b = [off.created_at for off in offsets if off.policy_id == policy]
try:
oct_created_at = min(a)
except Exception:
oct_created_at = dt.utcnow()
try:
ran_created_at = min(b)
except Exception:
ran_created_at = dt.utcnow()
min_created_at = min([oct_created_at, ran_created_at])
try:
policy_description = self.melange_session.query(
melange.Policies.description).\
filter(melange.Policies.id == policy).first()[0]
except Exception:
policy_description = None
for block_id in policy_block_ids.keys():
policy_uuid = str(uuid4())
init_id(self.json_data, 'policies', policy_uuid)
q_network = self.neutron_session.query(quarkmodels.Network).\
filter(quarkmodels.Network.id ==
policy_block_ids[block_id]).first()
q_ip_policy = quarkmodels.IPPolicy(
id=policy_uuid,
tenant_id=q_network.tenant_id,
description=policy_description,
created_at=min_created_at)
q_ip_policy.networks.append(q_network)
q_subnet = self.neutron_session.query(quarkmodels.Subnet).\
filter(quarkmodels.Subnet.id == block_id).first()
q_ip_policy.subnets.append(q_subnet)
self.add_to_session(q_ip_policy, 'policies', policy_uuid)
for rule in policy_rules:
offset_uuid = str(uuid4())
init_id(self.json_data, 'policy_rules', offset_uuid)
q_ip_policy_rule = quarkmodels.\
IPPolicyRange(id=offset_uuid,
offset=rule[0],
length=rule[1],
ip_policy_id=policy_uuid,
created_at=min_created_at)
self.add_to_session(q_ip_policy_rule, 'policy_rules',
offset_uuid)
def migrate_policies(self):
"""
Migrate policies
We exclude the default policies. These are octets that are 0 or
ip ranges that have offset 0 and length 1.
This is another time-consuming function, but optimization will not
yeild as much fruit as optimizing associate_ips_with_ports()
There is a minute or two of lag while this spins up, may be a way
to negate this.
"""
octets = self.melange_session.query(melange.IpOctets).all()
offsets = self.melange_session.query(melange.IpRanges).all()
for policy, policy_block_ids in self.policy_ids.items():
policy_octets = [o.octet for o in octets if o.policy_id == policy]
policy_rules = [(off.offset, off.length) for off in offsets
if off.policy_id == policy]
policy_rules = make_offset_lengths(policy_octets, policy_rules)
a = [o.created_at for o in octets if o.policy_id == policy]
b = [off.created_at for off in offsets if off.policy_id == policy]
try:
oct_created_at = min(a)
except Exception:
oct_created_at = dt.utcnow()
try:
ran_created_at = min(b)
except Exception:
ran_created_at = dt.utcnow()
min_created_at = min([oct_created_at, ran_created_at])
try:
policy_description = self.melange_session.query(
melange.Policies.description).\
filter(melange.Policies.id == policy).first()[0]
except Exception:
policy_description = None
for block_id in policy_block_ids.keys():
policy_uuid = str(uuid4())
init_id(self.json_data, 'policies', policy_uuid)
q_network = self.neutron_session.query(quarkmodels.Network).\
filter(quarkmodels.Network.id ==
policy_block_ids[block_id]).first()
q_ip_policy = quarkmodels.IPPolicy(id=policy_uuid,
tenant_id=
q_network.tenant_id,
description=
policy_description,
created_at=
min_created_at)
q_ip_policy.networks.append(q_network)
q_subnet = self.neutron_session.query(quarkmodels.Subnet).\
filter(quarkmodels.Subnet.id == block_id).first()
q_ip_policy.subnets.append(q_subnet)
self.add_to_session(q_ip_policy, 'policies', policy_uuid)
for rule in policy_rules:
offset_uuid = str(uuid4())
init_id(self.json_data, 'policy_rules', offset_uuid)
q_ip_policy_rule = quarkmodels.\
IPPolicyRange(id=offset_uuid,
offset=rule[0],
length=rule[1],
ip_policy_id=policy_uuid,
created_at=min_created_at)
self.add_to_session(q_ip_policy_rule, 'policy_rules',
offset_uuid)
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))