def __init__(self, cloud):
super(ServerGroupsHandler, self).__init__()
self.cloud = cloud
self.compute = self.cloud.resources[utils.COMPUTE_RESOURCE]
self.identity = self.cloud.resources[utils.IDENTITY_RESOURCE]
self.config = copy.deepcopy(self.identity.config)
self.tenant_name_map = mapper.Mapper('tenant_map')
def get_similar_tenants(self):
"""
Get SRC tenant ID to DST tenant ID mapping.
:return dict: {<src_tenant_id>: <dst_tenant_id>, ...}
"""
src_identity = self.src_cloud.resources[utils.IDENTITY_RESOURCE]
dst_identity = self.dst_cloud.resources[utils.IDENTITY_RESOURCE]
tenant_name_map = mapper.Mapper('tenant_map')
src_tenants = src_identity.get_tenants_list()
dst_tenants = dst_identity.get_tenants_list()
dst_tenant_map = {
tenant.name.lower(): tenant.id
for tenant in dst_tenants
}
similar_tenants = {}
for src_tenant in src_tenants:
src_tnt_name = tenant_name_map.map(src_tenant.name).lower()
if src_tnt_name in dst_tenant_map:
similar_tenants[src_tenant.id] = dst_tenant_map[src_tnt_name]
return similar_tenants
def __init__(self, config, cloud):
super(KeystoneIdentity, self).__init__()
self.config = config
self.cloud = cloud
self.filter_tenant_id = None
self.mysql_connector = cloud.mysql_connector('keystone')
self.templater = Templater()
self.generator = GeneratorPassword()
self.defaults = {}
self.tenant_name_map = mapper.Mapper('tenant_map')
def __init__(self, config, cloud):
super(CinderStorage, self).__init__(config)
self.ssh_host = config.cloud.ssh_host
self.mysql_host = config.mysql.db_host \
if config.mysql.db_host else self.ssh_host
self.cloud = cloud
self.identity_client = cloud.resources[utils.IDENTITY_RESOURCE]
self.mysql_connector = cloud.mysql_connector('cinder')
self.volume_filter = None
self.filter_tenant_id = None
self.tenant_name_map = mapper.Mapper('tenant_map')
self.attr_override = override.AttributeOverrides.from_filename(
config.migrate.override_rules, 'volumes')
def __init__(self, config, cloud):
super(KeystoneIdentity, self).__init__()
self.config = config
self.cloud = cloud
self.filter_tenant_id = None
self.mysql_connector = cloud.mysql_connector('keystone')
self.templater = Templater()
self.generator = GeneratorPassword()
self.defaults = {}
self.tenant_name_map = mapper.Mapper('tenant_map')
self.state_notifier = notifiers.MigrationStateNotifier()
for observer in cloud.migration_observers:
self.state_notifier.add_observer(observer)
def __init__(self, config, cloud):
self.config = config
self.ssh_host = config.cloud.ssh_host
self.cloud = cloud
self.identity_client = cloud.resources['identity']
self.filter_tenant_id = None
self.filter_image = []
# get mysql settings
self.mysql_connector = cloud.mysql_connector('glance')
self.runner = remote_runner.RemoteRunner(self.ssh_host,
self.config.cloud.ssh_user)
self._image_filter = None
self.tenant_name_map = mapper.Mapper('tenant_map')
super(GlanceImage, self).__init__(config)
def __init__(self, config, cloud):
super(NovaCompute, self).__init__()
self.config = config
self.cloud = cloud
self.filter_tenant_id = None
self.identity = cloud.resources['identity']
self.mysql_connector = cloud.mysql_connector('nova')
# List of instance IDs which failed to create
self.processing_instances = []
self.failed_instances = []
self.tenant_name_map = mapper.Mapper('tenant_map')
self.instance_info_caches = instance_info_caches.InstanceInfoCaches(
self.get_db_connection())
self.attr_override = override.AttributeOverrides.from_filename(
config.migrate.override_rules, 'servers')
def run(self, **kwargs):
LOG.debug("Checking networks...")
has_overlapping_resources = False
has_invalid_resources = False
src_net = self.src_cloud.resources[utils.NETWORK_RESOURCE]
dst_net = self.dst_cloud.resources[utils.NETWORK_RESOURCE]
src_compute = self.src_cloud.resources[utils.COMPUTE_RESOURCE]
tenant_ids = kwargs.get('search_opts_tenant', {}).get('tenant_id')
search_opts = kwargs.get('search_opts', {})
LOG.debug("Retrieving Network information from Source cloud...")
ports = src_net.get_ports_list()
src_net_info = NetworkInfo(src_net.read_info(tenant_id=tenant_ids),
ports)
LOG.debug("Retrieving Network information from Destination cloud...")
dst_net_info = NetworkInfo(dst_net.read_info())
LOG.debug("Retrieving Compute information from Source cloud...")
src_compute_info = ComputeInfo(src_compute, search_opts, tenant_ids)
ext_net_map = mapper.Mapper('ext_network_map')
# Check external networks mapping
if ext_net_map:
LOG.info("Check external networks mapping...")
invalid_ext_net_ids = src_net_info.get_invalid_ext_net_ids(
dst_net_info, ext_net_map)
if invalid_ext_net_ids['src_nets'] or \
invalid_ext_net_ids['dst_nets']:
invalid_src_nets = invalid_ext_net_ids['src_nets']
invalid_dst_nets = invalid_ext_net_ids['dst_nets']
invalid_nets_str = ""
if invalid_src_nets:
invalid_nets_str = 'Source cloud:\n' + \
'\n'.join(invalid_src_nets) + '\n'
if invalid_dst_nets:
invalid_nets_str += 'Destination cloud:\n' + \
'\n'.join(invalid_dst_nets) + '\n'
LOG.error(
"External networks mapping file has non-existing "
"network UUIDs defined:\n%s\nPlease update '%s' "
"file with correct values and re-run networks "
"check.", invalid_nets_str, self.cfg.migrate.ext_net_map)
has_invalid_resources = True
# Check networks' segmentation IDs overlap
LOG.info("Check networks' segmentation IDs overlapping...")
nets_overlapping_seg_ids = (
src_net_info.get_overlapping_seg_ids(dst_net_info))
if nets_overlapping_seg_ids:
LOG.warning(
"Segmentation IDs for these networks in source cloud "
"WILL NOT BE KEPT regardless of options defined in "
"config, because networks with the same segmentation "
"IDs already exist in destination: %s.",
'\n'.join([n['src_net_id'] for n in nets_overlapping_seg_ids]))
# Check external subnets overlap
LOG.info("Check external subnets overlapping...")
overlapping_external_subnets = (
src_net_info.get_overlapping_external_subnets(
dst_net_info, ext_net_map))
if overlapping_external_subnets:
pool_fmt = '"{pool}" pool of subnet "{snet_name}" ({snet_id})'
fmt = "{src_pool} overlaps with {dst_pool}"
overlapping_nets = []
for snet in overlapping_external_subnets:
overlapping_nets.append(
fmt.format(src_pool=pool_fmt.format(
pool=snet['src_subnet']['allocation_pools'],
snet_name=snet['src_subnet']['name'],
snet_id=snet['src_subnet']['id']),
dst_pool=pool_fmt.format(
pool=snet['dst_subnet']['allocation_pools'],
snet_name=snet['dst_subnet']['name'],
snet_id=snet['dst_subnet']['id'],
)))
message = ("Following external networks have overlapping "
"allocation pools in source and destination:\n{}.\nTo "
"resolve this:\n"
" 1. Manually change allocation pools in source or "
"destination networks to be identical;\n"
" 2. Use '[migrate] ext_net_map' external networks "
"mapping. Floating IPs will NOT BE KEPT in that "
"case.".format('\n'.join(overlapping_nets)))
LOG.error(message)
has_overlapping_resources = True
# Check floating IPs overlap
LOG.info("Check floating IPs overlapping...")
floating_ips = src_net_info.list_overlapping_floating_ips(
dst_net_info, ext_net_map)
if floating_ips:
LOG.error(
"Following floating IPs from source cloud already exist "
"in destination, but either tenant, or external "
"network doesn't match source cloud floating IP: %s\n"
"In order to resolve you'd need to either delete "
"floating IP from destination, or recreate floating "
"IP so that they match fully in source and destination.",
'\n'.join(floating_ips))
has_overlapping_resources = True
# Check busy physical networks on DST of FLAT network type
LOG.info("Check busy physical networks for FLAT network type...")
busy_flat_physnets = src_net_info.busy_flat_physnets(
dst_net_info, ext_net_map)
if busy_flat_physnets:
LOG.error(
"Flat network(s) allocated in different physical "
"network(s) exist in destination cloud:\n%s\nIn order "
"to resolve flat networks in the list must be "
"connected to the same physical network in source and "
"destination.",
'\n'.join([str(n) for n in busy_flat_physnets]))
has_overlapping_resources = True
# Check physical networks existence on DST for VLAN network type
LOG.info("Check physical networks existence for VLAN network type...")
dst_neutron_client = dst_net.neutron_client
missing_vlan_physnets = src_net_info.missing_vlan_physnets(
dst_net_info, dst_neutron_client, ext_net_map)
if missing_vlan_physnets:
LOG.error(
"Following physical networks are not present in "
"destination, but required by source cloud networks: "
"%s\nIn order to resolve make sure neutron has "
"required physical networks defined in config.",
'\n'.join(missing_vlan_physnets))
has_overlapping_resources = True
# Check VMs spawned directly in external network
LOG.info("Check VMs spawned directly in external networks...")
devices = src_net_info.get_devices_from_external_networks()
vms_list = src_compute_info.list_vms_in_external_network(devices)
if vms_list:
LOG.warning(
'Following VMs are booted directly in external '
'network, which is not recommended: %s', vms_list)
# Print LOG message with all overlapping stuff and abort migration
if has_overlapping_resources or has_invalid_resources:
raise exception.AbortMigrationError(
"There is a number of overlapping/invalid network resources "
"which require manual resolution. See error messages above "
"for details.")
