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db_manage.py
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db_manage.py
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import sys
reload(sys)
sys.setdefaultencoding('UTF8')
import socket
import re
import logging
import time
from cfgm_common import jsonutils as json
from netaddr import IPAddress, IPNetwork
import argparse
from cStringIO import StringIO
import time
import kazoo.client
import kazoo.exceptions
import cfgm_common
from cfgm_common import vnc_cgitb
from cfgm_common.utils import cgitb_hook
from cfgm_common.vnc_cassandra import VncCassandraClient
import pycassa
import utils
from vnc_db import VncServerCassandraClient
import schema_transformer.db
import discovery.disc_cassdb
MAX_COL = 10000000
# All possible errors from audit
class AuditError(object):
def __init__(self, msg):
self.msg = msg
# end __init__
# class AuditError
class ZkStandaloneError(AuditError): pass
class ZkFollowersError(AuditError): pass
class ZkNodeCountsError(AuditError): pass
class CassWrongRFError(AuditError): pass
class FQNIndexMissingError(AuditError): pass
class FQNStaleIndexError(AuditError): pass
class FQNMismatchError(AuditError): pass
class MandatoryFieldsMissingError(AuditError): pass
class IpSubnetMissingError(AuditError): pass
class VirtualNetworkMissingError(AuditError): pass
class VirtualNetworkIdMissingError(AuditError): pass
class IpAddressMissingError(AuditError): pass
class UseragentSubnetExtraError(AuditError): pass
class UseragentSubnetMissingError(AuditError): pass
class SubnetCountMismatchError(AuditError): pass
class SubnetUuidMissingError(AuditError): pass
class SubnetKeyToIdMissingError(AuditError): pass
class SubnetIdToKeyMissingError(AuditError): pass
class ZkRTgtIdMissingError(AuditError): pass
class ZkRTgtIdExtraError(AuditError): pass
class ZkSGIdMissingError(AuditError): pass
class ZkSGIdExtraError(AuditError): pass
class SG0UnreservedError(AuditError): pass
class ZkVNIdExtraError(AuditError): pass
class ZkVNIdMissingError(AuditError): pass
class RTCountMismatchError(AuditError): pass
class CassRTRangeError(AuditError): pass
class ZkRTRangeError(AuditError): pass
class ZkIpMissingError(AuditError): pass
class ZkIpExtraError(AuditError): pass
class ZkSubnetMissingError(AuditError): pass
class ZkSubnetExtraError(AuditError): pass
class ZkVNMissingError(AuditError): pass
class ZkVNExtraError(AuditError): pass
class DatabaseManager(object):
OBJ_MANDATORY_COLUMNS = ['type', 'fq_name', 'prop:id_perms']
BASE_VN_ID_ZK_PATH = '/id/virtual-networks'
BASE_RTGT_ID_ZK_PATH = '/id/bgp/route-targets'
BASE_SG_ID_ZK_PATH = '/id/security-groups/id'
BASE_SUBNET_ZK_PATH = '/api-server/subnets'
AUTO_RTGT_START = 8000000
def __init__(self, args_str=''):
self._parse_args(args_str)
self._logger = utils.ColorLog(logging.getLogger(__name__))
log_level = 'ERROR'
if self._args.verbose:
log_level = 'INFO'
if self._args.debug:
log_level = 'DEBUG'
self._logger.setLevel(log_level)
logformat = logging.Formatter("%(levelname)s: %(message)s")
stdout = logging.StreamHandler()
stdout.setLevel(log_level)
stdout.setFormatter(logformat)
self._logger.addHandler(stdout)
# cassandra connection
self._cassandra_servers = self._api_args.cassandra_server_list
db_info = VncServerCassandraClient.get_db_info()
rd_consistency = pycassa.cassandra.ttypes.ConsistencyLevel.QUORUM
self._cf_dict = {}
cred = None
if self._args.cassandra_user is not None and \
self._args.cassandra_password is not None:
cred={'username':self._args.cassandra_user,
'password':self._args.cassandra_password}
for ks_name, cf_name_list in db_info:
pool = pycassa.ConnectionPool(keyspace=ks_name,
server_list=self._cassandra_servers, prefill=False,
credentials=cred)
for cf_name in cf_name_list:
self._cf_dict[cf_name] = pycassa.ColumnFamily(pool, cf_name,
read_consistency_level=rd_consistency)
# zookeeper connection
zk_server = self._api_args.zk_server_ip.split(',')[0]
self._zk_client = kazoo.client.KazooClient(zk_server)
self._zk_client.start()
# end __init__
def _parse_args(self, args_str):
parser = argparse.ArgumentParser()
help="Path to contrail-api conf file, default /etc/contrail-api.conf"
parser.add_argument(
"--api-conf", help=help, default="/etc/contrail/contrail-api.conf")
parser.add_argument(
"--dry-run", help="Reads are real, report instead of doing writes",
action='store_true', default=False)
parser.add_argument(
"--verbose", help="Run in verbose/INFO mode, default False",
action='store_true', default=False)
parser.add_argument(
"--debug", help="Run in debug mode, default False",
action='store_true', default=False)
parser.add_argument("--cassandra-user")
parser.add_argument("--cassandra-password")
args_obj, remaining_argv = parser.parse_known_args(args_str.split())
self._args = args_obj
self._api_args = utils.parse_args('-c %s %s'
%(self._args.api_conf, ' '.join(remaining_argv)))[0]
# end _parse_args
def audit_subnet_uuid(self):
ret_errors = []
# check in useragent table whether net-id subnet -> subnet-uuid
# and vice-versa exist for all subnets
ua_kv_cf = self._cf_dict['useragent_keyval_table']
ua_subnet_info = {}
for key, cols in ua_kv_cf.get_range():
mch = re.match('(.* .*/.*)', key)
if mch: # subnet key -> uuid
subnet_key = mch.group(1)
subnet_id = cols['value']
try:
reverse_map = ua_kv_cf.get(subnet_id)
except pycassa.NotFoundException:
errmsg = "Missing id(%s) to key(%s) mapping in useragent"\
%(subnet_id, subnet_key)
ret_errors.append(SubnetIdToKeyMissingError(errmsg))
else: # uuid -> subnet key
subnet_id = key
subnet_key = cols['value']
ua_subnet_info[subnet_id] = subnet_key
try:
reverse_map = ua_kv_cf.get(subnet_key)
except pycassa.NotFoundException:
errmsg = "Missing key(%s) to id(%s) mapping in useragent"\
%(subnet_key, subnet_id)
ret_errors.append(SubnetKeyToIdMissingError(errmsg))
# check all subnet prop in obj_uuid_table to see if subnet-uuid exists
vnc_all_subnet_uuids = []
fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
vn_row = fq_name_table.get('virtual_network', column_count=MAX_COL)
vn_uuids = [x.split(':')[-1] for x in vn_row]
for vn_id in vn_uuids:
try:
ipam_refs = obj_uuid_table.get(vn_id,
column_start='ref:network_ipam:',
column_finish='ref:network_ipam;',
column_count=MAX_COL)
except pycassa.NotFoundException:
continue
for ipam in ipam_refs:
ipam_col = obj_uuid_table.get(vn_id,
columns=[ipam], column_count=MAX_COL)
attr_dict = json.loads(ipam_col[ipam])['attr']
for subnet in attr_dict['ipam_subnets']:
try:
sn_id = subnet['subnet_uuid']
vnc_all_subnet_uuids.append(sn_id)
except KeyError:
errmsg = "Missing uuid in ipam-subnet for %s %s" \
%(vn_id, subnet['subnet']['ip_prefix'])
ret_errors.append(SubnetUuidMissingError(errmsg))
return ua_subnet_info, vnc_all_subnet_uuids, ret_errors
# end audit_subnet_uuid
def audit_route_targets_id(self):
logger = self._logger
ret_errors = []
# read in route-target ids from zookeeper
base_path = self.BASE_RTGT_ID_ZK_PATH
logger.debug("Doing recursive zookeeper read from %s", base_path)
zk_all_rtgts = {}
num_bad_rtgts = 0
for rtgt_id in self._zk_client.get_children(base_path) or []:
rtgt_fq_name_str = self._zk_client.get(base_path+'/'+rtgt_id)[0]
zk_all_rtgts[int(rtgt_id)] = rtgt_fq_name_str
if int(rtgt_id) >= self.AUTO_RTGT_START:
continue # all good
errmsg = 'Wrong route-target range in zookeeper %s' %(rtgt_id)
ret_errors.append(ZkRTRangeError(errmsg))
num_bad_rtgts += 1
logger.debug("Got %d route-targets with id in zookeeper %d from wrong range",
len(zk_all_rtgts), num_bad_rtgts)
# read in route-targets from cassandra to get id+fq_name
fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
logger.debug("Reading route-target objects from cassandra")
try:
rtgt_row = fq_name_table.get('route_target', column_count=MAX_COL)
except pycassa.NotFoundException:
rtgt_row = []
rtgt_uuids = [x.split(':')[-1] for x in rtgt_row]
cassandra_all_rtgts = {}
num_bad_rtgts = 0
for rtgt_uuid in rtgt_uuids:
rtgt_cols = obj_uuid_table.get(rtgt_uuid,
columns=['fq_name'],
column_count=MAX_COL)
rtgt_fq_name_str = ':'.join(json.loads(rtgt_cols['fq_name']))
rtgt_id = json.loads(rtgt_cols['fq_name']).split(':')[-1]
if rtgt_id >= self.AUTO_RTGT_START:
errmsg = 'Wrong route-target range in cassandra %s' %(rtgt_id)
ret_errors.append(CassRTRangeError(errmsg))
num_bad_rtgts += 1
cassandra_all_rtgts[rtgt_id] = rtgt_fq_name_str
logger.debug("Got %d route-targets with id in cassandra %d from wrong range",
len(cassandra_all_rtgts), num_bad_rtgts)
zk_set = set([(id, fqns) for id, fqns in zk_all_rtgts.items()])
cassandra_set = set([(id-self.AUTO_RTGT_START, fqns)
for id, fqns in cassandra_all_rtgts.items()
if id >= self.AUTO_RTGT_START])
return zk_set, cassandra_set, ret_errors
# end audit_route_targets_id
def audit_security_groups_id(self):
logger = self._logger
ret_errors = []
# read in security-group ids from zookeeper
base_path = self.BASE_SG_ID_ZK_PATH
logger.debug("Doing recursive zookeeper read from %s", base_path)
zk_all_sgs = {}
for sg_id in self._zk_client.get_children(base_path) or []:
# sg-id of 0 is reserved
if int(sg_id) == 0:
sg_val = self._zk_client.get(base_path+'/'+sg_id)[0]
if sg_val != '__reserved__':
ret_errors.append(SG0UnreservedError(''))
continue
sg_fq_name_str = self._zk_client.get(base_path+'/'+sg_id)[0]
zk_all_sgs[int(sg_id)] = sg_fq_name_str
logger.debug("Got %d security-groups with id", len(zk_all_sgs))
# read in security-groups from cassandra to get id+fq_name
fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
logger.debug("Reading security-group objects from cassandra")
try:
sg_row = fq_name_table.get('security_group', column_count=MAX_COL)
except pycassa.NotFoundException:
sg_row = []
sg_uuids = [x.split(':')[-1] for x in sg_row]
cassandra_all_sgs = {}
for sg_uuid in sg_uuids:
sg_cols = obj_uuid_table.get(sg_uuid,
columns=['prop:security_group_id', 'fq_name'],
column_count=MAX_COL)
sg_id = json.loads(sg_cols['prop:security_group_id'])
sg_fq_name_str = ':'.join(json.loads(sg_cols['fq_name']))
cassandra_all_sgs[sg_id] = sg_fq_name_str
logger.debug("Got %d security-groups with id", len(cassandra_all_sgs))
min_id = 8000000
zk_set = set([(id, fqns) for id, fqns in zk_all_sgs.items()])
cassandra_set = set([(id-min_id, fqns) for id, fqns in cassandra_all_sgs.items() if id >= min_id])
return zk_set, cassandra_set, ret_errors
# end audit_security_groups_id
def audit_virtual_networks_id(self):
logger = self._logger
ret_errors = []
# read in virtual-network ids from zookeeper
base_path = self.BASE_VN_ID_ZK_PATH
logger.debug("Doing recursive zookeeper read from %s", base_path)
zk_all_vns = {}
for vn_id in self._zk_client.get_children(base_path) or []:
vn_fq_name_str = self._zk_client.get(base_path+'/'+vn_id)[0]
# VN-id in zk starts from 0, in cassandra starts from 1
zk_all_vns[int(vn_id)+1] = vn_fq_name_str
logger.debug("Got %d virtual-networks with id in ZK.",
len(zk_all_vns))
# read in virtual-networks from cassandra to get id+fq_name
fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
logger.debug("Reading virtual-network objects from cassandra")
try:
vn_row = fq_name_table.get('virtual_network', column_count=MAX_COL)
except pycassa.NotFoundException:
vn_row = []
vn_uuids = [x.split(':')[-1] for x in vn_row]
cassandra_all_vns = {}
for vn_uuid in vn_uuids:
vn_cols = obj_uuid_table.get(vn_uuid,
columns=['prop:virtual_network_properties', 'fq_name',
'prop:virtual_network_network_id'],
column_count=MAX_COL)
try:
vn_id = json.loads(vn_cols['prop:virtual_network_network_id'])
except KeyError:
try:
# upgrade case older VNs had it in composite prop
vn_props = json.loads(vn_cols['prop:virtual_network_properties'])
vn_id = vn_props['network_id']
except KeyError:
errmsg = 'Missing network-id in cassandra for vn %s' \
%(vn_uuid)
ret_errors.append(VirtualNetworkIdMissingError(errmsg))
continue
vn_fq_name_str = ':'.join(json.loads(vn_cols['fq_name']))
cassandra_all_vns[vn_id] = vn_fq_name_str
logger.debug("Got %d virtual-networks with id in Cassandra.",
len(cassandra_all_vns))
zk_set = set([(id, fqns) for id, fqns in zk_all_vns.items()])
cassandra_set = set([(id, fqns) for id, fqns in cassandra_all_vns.items()])
return zk_set, cassandra_set, ret_errors
# end audit_virtual_networks_id
# end class DatabaseManager
class DatabaseChecker(DatabaseManager):
def checker(func):
def wrapper(*args, **kwargs):
self = args[0]
try:
errors = func(*args, **kwargs)
if not errors:
self._logger.info('Checker %s: Success' %(func.__name__))
else:
self._logger.error('Checker %s: Failed:\n%s\n'
%(func.__name__, '\n'.join(e.msg for e in errors)))
return errors
except Exception as e:
string_buf = StringIO()
cgitb_hook(file=string_buf, format="text")
err_msg = string_buf.getvalue()
self._logger.exception('Checker %s: Exception, %s' %(func.__name__, err_msg))
raise
# end wrapper
return wrapper
# end checker
@checker
def check_zk_mode_and_node_count(self):
ret_errors = []
stats = {}
modes = {}
modes['leader'] = 0
modes['follower'] = 0
modes['standalone'] = 0
# Collect stats
for server in self._api_args.zk_server_ip.split(','):
zk_client = kazoo.client.KazooClient(server)
zk_client.start()
self._logger.debug("Issuing 'stat' on %s: ", server)
stat_out = zk_client.command('stat')
self._logger.debug("Got: %s" %(stat_out))
zk_client.stop()
stats[server] = stat_out
# Check mode
for stat_out in stats.values():
mode = re.search('Mode:(.*)\n', stat_out).group(1).strip()
modes[mode] += 1
n_zk_servers = len(self._api_args.zk_server_ip.split(','))
if n_zk_servers == 1:
# good-case: 1 node in standalone
if not modes['standalone'] == 1:
err_msg = "Error, Single zookeeper server and modes %s." \
%(str(modes))
ret_errors.append(ZkStandaloneError(err_msg))
else:
# good-case: 1 node in leader, >=1 in followers
if (modes['leader'] == 1) and (modes['follower'] >= 1):
pass # ok
else:
ret_errors.append(ZkFollowersError(
"Error, Incorrect modes %s." %(str(modes))))
# Check node count
node_counts = []
for stat_out in stats.values():
nc = int(re.search('Node count:(.*)\n', stat_out).group(1))
node_counts.append(nc)
# all nodes should have same count, so set should have 1 elem
if len(set(node_counts)) != 1:
ret_errors.append(ZkNodeCountsError(
"Error, Differing node counts %s." %(str(node_counts))))
return ret_errors
# end check_zk_mode_and_node_count
@checker
def check_cassandra_keyspace_replication(self):
ret_errors = []
logger = self._logger
cred = None
if self._args.cassandra_user is not None and \
self._args.cassandra_password is not None:
cred={'username':self._args.cassandra_user,
'password':self._args.cassandra_password}
for server in self._cassandra_servers:
sys_mgr = pycassa.SystemManager(server, credentials=cred)
db_info = VncCassandraClient.get_db_info() + \
schema_transformer.db.SchemaTransformerDB.get_db_info() + \
discovery.disc_cassdb.DiscoveryCassandraClient.get_db_info()
for ks_name, _ in db_info:
logger.debug("Reading keyspace properties for %s on %s: ",
ks_name, server)
ks_prop = sys_mgr.get_keyspace_properties(ks_name)
logger.debug("Got %s", ks_prop)
repl_factor = int(ks_prop['strategy_options']['replication_factor'])
if (repl_factor != len(self._cassandra_servers)):
errmsg = 'Incorrect replication factor %d for keyspace %s' \
%(repl_factor, ks_name)
ret_errors.append(CassWrongRFError(errmsg))
return ret_errors
# end check_cassandra_keyspace_replication
@checker
def check_rabbitmq_queue(self):
ret_errors = []
return ret_errors
# end check_rabbitmq_queue
@checker
def check_fq_name_uuid_match(self):
# ensure items in obj-fq-name-table match to obj-uuid-table
ret_errors = []
logger = self._logger
obj_fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
fq_name_table_all = []
logger.debug("Reading all objects from obj_fq_name_table")
for obj_type, cols in obj_fq_name_table.get_range(column_count=MAX_COL):
for fq_name_str_uuid in cols:
fq_name_str = ':'.join(fq_name_str_uuid.split(':')[:-1])
fq_name_str = cfgm_common.utils.decode_string(fq_name_str)
obj_uuid = fq_name_str_uuid.split(':')[-1]
fq_name_table_all.append((obj_type, fq_name_str, obj_uuid))
try:
obj_cols = obj_uuid_table.get(obj_uuid, column_count=MAX_COL)
obj_fq_name_str = ':'.join(json.loads(obj_cols['fq_name']))
if fq_name_str != obj_fq_name_str:
ret_errors.append(FQNMismatchError(
'Mismatched FQ Name %s (index) vs %s (object)' \
%(fq_name_str, obj_fq_name_str)))
except pycassa.NotFoundException:
ret_errors.append(FQNStaleIndexError(
'Missing object %s %s %s in uuid table'
%(obj_uuid, obj_type, fq_name_str)))
# end for all objects in a type
# end for all obj types
logger.debug("Got %d objects", len(fq_name_table_all))
uuid_table_all = []
logger.debug("Reading all objects from obj_uuid_table")
for obj_uuid, cols in obj_uuid_table.get_range(column_count=MAX_COL):
try:
obj_type = json.loads(cols['type'])
fq_name_str = ':'.join(json.loads(cols['fq_name']))
uuid_table_all.append((obj_type, fq_name_str, obj_uuid))
except Exception as e:
ret_errors.append(MandatoryFieldsMissingError(
'uuid %s cols %s' %(obj_uuid, cols)))
logger.debug("Got %d objects", len(uuid_table_all))
for extra in set(fq_name_table_all) - set(uuid_table_all):
obj_type, fq_name_str, obj_uuid = extra
ret_errors.append(FQNStaleIndexError(
'Stale index %s %s %s in obj_fq_name_table'
%(obj_type, fq_name_str, obj_uuid)))
for extra in set(uuid_table_all) - set(fq_name_table_all):
obj_type, fq_name_str, obj_uuid = extra
ret_errors.append(FQNIndexMissingError(
'Extra object %s %s %s in obj_uuid_table'
%(obj_type, fq_name_str, obj_uuid)))
return ret_errors
# end check_fq_name_uuid_match
@checker
def check_obj_mandatory_fields(self):
# ensure fq_name, type, uuid etc. exist
ret_errors = []
logger = self._logger
logger.debug("Reading all objects from obj_uuid_table")
obj_uuid_table = self._cf_dict['obj_uuid_table']
num_objs = 0
num_bad_objs = 0
for obj_uuid, cols in obj_uuid_table.get_range(column_count=MAX_COL):
num_objs += 1
for col_name in self.OBJ_MANDATORY_COLUMNS:
if col_name in cols:
continue
num_bad_objs += 1
ret_errors.append(MandatoryFieldsMissingError(
'Error, obj %s missing column %s' %(obj_uuid, col_name)))
logger.debug("Got %d objects %d with missing mandatory fields",
num_objs, num_bad_objs)
return ret_errors
# end check_obj_mandatory_fields
@checker
def check_subnet_uuid(self):
# whether useragent subnet uuid and uuid in subnet property match
ret_errors = []
ua_subnet_info, vnc_subnet_uuids, errors = self.audit_subnet_uuid()
ret_errors.extend(errors)
# check #subnets in useragent table vs #subnets in obj_uuid_table
if len(ua_subnet_info.keys()) != len(vnc_subnet_uuids):
ret_errors.append(SubnetCountMismatchError(
"Mismatch #subnets useragent %d #subnets ipam-subnet %d"
%(len(ua_subnet_info.keys()), len(vnc_subnet_uuids))))
# check if subnet-uuids match in useragent table vs obj_uuid_table
extra_ua_subnets = set(ua_subnet_info.keys()) - set(vnc_subnet_uuids)
if extra_ua_subnets:
ret_errors.append(UseragentSubnetExtraError(
"Extra useragent subnets %s" %(str(extra_ua_subnets))))
extra_vnc_subnets = set(vnc_subnet_uuids) - set(ua_subnet_info.keys())
if extra_vnc_subnets:
ret_errors.append(UseragentSubnetMissingError(
"Missing useragent subnets %s" %(extra_vnc_subnets)))
return ret_errors
# end check_subnet_uuid
@checker
def check_subnet_addr_alloc(self):
# whether ip allocated in subnet in zk match iip+fip in cassandra
ret_errors = []
logger = self._logger
zk_all_vns = {}
base_path = self.BASE_SUBNET_ZK_PATH
logger.debug("Doing recursive zookeeper read from %s", base_path)
num_addrs = 0
try:
subnets = self._zk_client.get_children(base_path)
except kazoo.exceptions.NoNodeError:
subnets = []
for subnet in subnets:
vn_fq_name_str = ':'.join(subnet.split(':')[:-1])
pfx = subnet.split(':')[-1]
zk_all_vns[vn_fq_name_str] = {}
pfxlen_path = base_path + '/' + subnet
pfxlen = self._zk_client.get_children(pfxlen_path)
if not pfxlen:
continue
subnet_key = '%s/%s' %(pfx, pfxlen[0])
zk_all_vns[vn_fq_name_str][subnet_key] = []
addrs = self._zk_client.get_children(pfxlen_path+'/'+pfxlen[0])
if not addrs:
continue
zk_all_vns[vn_fq_name_str][subnet_key] = \
[str(IPAddress(int(addr))) for addr in addrs]
num_addrs += len(zk_all_vns[vn_fq_name_str])
# end for all subnet paths
logger.debug("Got %d networks %d addresses",
len(zk_all_vns), num_addrs)
logger.debug("Reading instance/floating-ip objects from cassandra")
cassandra_all_vns = {}
num_addrs = 0
fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
try:
iip_row = fq_name_table.get('instance_ip', column_count=MAX_COL)
except pycassa.NotFoundException:
iip_row = []
iip_uuids = [x.split(':')[-1] for x in iip_row]
ret_errors.extend(self._addr_alloc_process_ip_objects(
cassandra_all_vns, 'instance-ip', iip_uuids))
num_addrs += len(iip_uuids)
try:
fip_row = fq_name_table.get('floating_ip', column_count=MAX_COL)
except pycassa.NotFoundException:
fip_row = []
fip_uuids = [x.split(':')[-1] for x in fip_row]
ret_errors.extend(self._addr_alloc_process_ip_objects(
cassandra_all_vns, 'floating-ip', fip_uuids))
num_addrs += len(fip_uuids)
logger.debug("Got %d networks %d addresses",
len(cassandra_all_vns), num_addrs)
# check for differences in networks
extra_vn = set(zk_all_vns.keys()) - set(cassandra_all_vns.keys())
if extra_vn:
errmsg = 'Extra VN in zookeeper (vs. cassandra) for %s' \
%(str(extra_vn))
ret_errors.append(ZkVNExtraError(errmsg))
extra_vn = set(cassandra_all_vns.keys()) - set(zk_all_vns.keys())
for vn in list(extra_vn):
# It really is extra in zookeeper only if there is a subnet
# configured but missing in zookeeper
if not cassandra_all_vns[vn]:
extra_vn.remove(vn)
if extra_vn:
errmsg = 'Missing VN in zookeeper (vs.cassandra) for %s' \
%(str(extra_vn))
ret_errors.append(ZkVNMissingError(errmsg))
# check for differences in subnets
zk_all_vn_sn = []
for vn_key, vn in zk_all_vns.items():
zk_all_vn_sn.extend([(vn_key, sn_key) for sn_key in vn])
cassandra_all_vn_sn = []
for vn_key, vn in cassandra_all_vns.items():
cassandra_all_vn_sn.extend([(vn_key, sn_key) for sn_key in vn])
extra_vn_sn = set(zk_all_vn_sn) - set(cassandra_all_vn_sn)
if extra_vn_sn:
errmsg = 'Extra VN/SN in zookeeper for %s' %(extra_vn_sn)
ret_errors.append(ZkSubnetExtraError(errmsg))
extra_vn_sn = set(cassandra_all_vn_sn) - set(zk_all_vn_sn)
if extra_vn_sn:
errmsg = 'Missing VN/SN in zookeeper for %s' %(extra_vn_sn)
ret_errors.append(ZkSubnetMissingError(errmsg))
# check for differences in ip addresses
for vn, sn_key in set(zk_all_vn_sn) & set(cassandra_all_vn_sn):
sn_start = cassandra_all_vns[vn][sn_key]['start']
sn_gw_ip = cassandra_all_vns[vn][sn_key]['gw']
sn_dns = cassandra_all_vns[vn][sn_key]['dns']
zk_ips = zk_all_vns[vn][sn_key]
cassandra_ips = cassandra_all_vns[vn][sn_key]['addrs']
extra_ips = set(zk_ips) - set(cassandra_ips)
for ip_addr in extra_ips:
# ignore network, bcast and gateway ips
if (IPAddress(ip_addr) == IPNetwork(sn_key).network or
IPAddress(ip_addr) == IPNetwork(sn_key).broadcast):
continue
if (ip_addr == sn_gw_ip or ip_addr == sn_dns or
ip_addr == sn_start):
continue
errmsg = 'Extra IP %s in zookeeper for vn %s' \
%(ip_addr, vn)
ret_errors.append(ZkIpExtraError(errmsg))
# end all zk extra ips
extra_ips = set(cassandra_ips) - set(zk_ips)
for ip_addr in extra_ips:
errmsg = 'Missing IP %s in zookeeper for vn %s' \
%(ip_addr, vn)
ret_errors.append(ZkIpMissingError(errmsg))
# end all cassandra extra ips
# for all common VN/subnets
return ret_errors
# end check_subnet_addr_alloc
@checker
def check_route_targets_id(self):
ret_errors = []
logger = self._logger
# read in route-target ids from zookeeper and cassandra
zk_set, cassandra_set, errors = self.audit_route_targets_id()
ret_errors.extend(errors)
extra_rtgt_ids = zk_set - cassandra_set
for rtgt_id, rtgt_fq_name_str in extra_rtgt_ids:
errmsg = 'Extra route target ID in zookeeper for RTgt %s %s' \
%(rtgt_fq_name_str, rtgt_id)
ret_errors.append(ZkRTgtIdExtraError(errmsg))
extra_rtgt_ids = cassandra_set - zk_set
for rtgt_id, rtgt_fq_name_str in extra_rtgt_ids:
errmsg = 'Missing route target ID in zookeeper for RTgt %s %s' \
%(rtgt_fq_name_str, rtgt_id)
ret_errors.append(ZkRTgtIdMissingError(errmsg))
# read in virtual-networks from cassandra to find user allocated rtgts
# and ensure they are not from auto-allocated range
num_user_rtgts = 0
num_bad_rtgts = 0
fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
logger.debug("Reading virtual-network objects from cassandra")
try:
vn_row = fq_name_table.get('virtual_network', column_count=MAX_COL)
except pycassa.NotFoundException:
vn_row = []
vn_uuids = [x.split(':')[-1] for x in vn_row]
for vn_id in vn_uuids:
try:
rtgt_list_json = obj_uuid_table.get(vn_id,
columns=['prop:route_target_list'],
column_count=MAX_COL)['prop:route_target_list']
rtgt_list = json.loads(rtgt_list_json).get('route_target', [])
except pycassa.NotFoundException:
continue
for rtgt in rtgt_list:
rtgt_num = int(rtgt.split(':')[-1])
if rtgt_num < self.AUTO_RTGT_START:
num_user_rtgts += 1
continue # all good
num_bad_rtgts += 1
errmsg = 'Wrong route-target range in cassandra %d' %(rtgt_num)
ret_errors.append(CassRTRangeError(errmsg))
# end for all rtgt
# end for all vns
logger.debug("Got %d user configured route-targets, %d in bad range",
num_user_rtgts, num_bad_rtgts)
if len(cassandra_set) != (num_user_rtgts + len(zk_set)):
errmsg = 'Mismatch in route-target count: %d user, %d zookeeper, %d cassandra' \
%(num_user_rtgts, len(zk_set), len(cassandra_set))
ret_errors.append(RTCountMismatchError(errmsg))
return ret_errors
# end check_route_targets_id
@checker
def check_virtual_networks_id(self):
ret_errors = []
logger = self._logger
zk_set, cassandra_set, errors = self.audit_virtual_networks_id()
ret_errors.extend(errors)
extra_vn_ids = zk_set - cassandra_set
for vn_id, vn_fq_name_str in extra_vn_ids:
ret_ok = False
errmsg = 'Extra VN IDs in zookeeper for vn %s %s' \
%(vn_fq_name_str, vn_id)
ret_errors.append(ZkVNIdExtraError(errmsg))
extra_vn_ids = cassandra_set - zk_set
for vn_id, vn_fq_name_str in extra_vn_ids:
ret_ok = False
errmsg = 'Missing VN IDs in zookeeper for vn %s %s' \
%(vn_fq_name_str, vn_id)
ret_errors.append(ZkVNIdMissingError(errmsg))
return ret_errors
# end check_virtual_networks_id
@checker
def check_security_groups_id(self):
ret_errors = []
logger = self._logger
zk_set, cassandra_set, errors = self.audit_security_groups_id()
ret_errors.extend(errors)
extra_sg_ids = zk_set - cassandra_set
for sg_id, sg_fq_name_str in extra_sg_ids:
errmsg = 'Extra SG IDs in zookeeper for sg %s %s' \
%(sg_fq_name_str, sg_id)
ret_errors.append(ZkSGIdExtraError(errmsg))
extra_sg_ids = cassandra_set - zk_set
for sg_id, sg_fq_name_str in extra_sg_ids:
ret_ok = False
errmsg = 'Missing SG IDs in zookeeper for sg %s %s' \
%(sg_fq_name_str, sg_id)
ret_errors.append(ZkSGIdMissingError(errmsg))
return ret_errors
# end check_security_groups_id
@checker
def check_schema_db_mismatch(self):
# TODO detect all objects persisted that have discrepancy from
# defined schema
pass
# end check_schema_db_mismatch
def _addr_alloc_process_ip_objects(self, cassandra_all_vns,
ip_type, ip_uuids):
logger = self._logger
ret_errors = []
if ip_type == 'instance-ip':
addr_prop = 'prop:instance_ip_address'
vn_is_ref = True
elif ip_type == 'floating-ip':
addr_prop = 'prop:floating_ip_address'
vn_is_ref = False
else:
raise Exception('Unknown ip type %s' %(ip_type))
# walk vn fqn index, pick default-gw/dns-server-addr
# and set as present in cassandra
obj_fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
def set_reserved_addrs_in_cassandra(vn_id, fq_name_str):
if fq_name_str in cassandra_all_vns:
# already parsed and handled
return
# find all subnets on this VN and add for later check
try:
ipam_refs = obj_uuid_table.get(vn_id,
column_start='ref:network_ipam:',
column_finish='ref:network_ipam;',
column_count=MAX_COL)
except pycassa.NotFoundException:
logger.debug('VN %s (%s) has no ipam refs',
vn_id, fq_name_str)
return
cassandra_all_vns[fq_name_str] = {}
for ipam in ipam_refs:
ipam_col = obj_uuid_table.get(vn_id,
columns=[ipam], column_count=MAX_COL)
attr_dict = json.loads(ipam_col[ipam])['attr']
for subnet in attr_dict['ipam_subnets']:
sn_key = '%s/%s' %(subnet['subnet']['ip_prefix'],
subnet['subnet']['ip_prefix_len'])
gw = subnet['default_gateway']
dns = subnet.get('dns_server_address')
cassandra_all_vns[fq_name_str][sn_key] = {
'start': subnet['subnet']['ip_prefix'],
'gw': gw,
'dns': dns,
'addrs': []}
# end set_reserved_addrs_in_cassandra
for fq_name_str_uuid in obj_fq_name_table.get('virtual_network',
column_count=MAX_COL):
fq_name_str = ':'.join(fq_name_str_uuid.split(':')[:-1])
vn_id = fq_name_str_uuid.split(':')[-1]
set_reserved_addrs_in_cassandra(vn_id, fq_name_str)
# end for all VNs
for ip_id in ip_uuids:
# get addr
try:
ip_cols = obj_uuid_table.get(ip_id, column_count=MAX_COL)
except pycassa.NotFoundException:
errmsg = 'Missing object in uuid table for %s %s' %(ip_type, ip_id)
ret_errors.append(FQNStaleIndexError(errmsg))
continue
try:
ip_addr = json.loads(ip_cols[addr_prop])
except KeyError:
errmsg = 'Missing ip addr in %s %s' %(ip_type, ip_id)
ret_errors.append(IpAddressMissingError(errmsg))
continue
# get vn uuid
vn_id = None
if vn_is_ref:
for col_name in ip_cols.keys():
mch = re.match('ref:virtual_network:(.*)', col_name)
if not mch:
continue
vn_id = mch.group(1)
else:
vn_fq_name_str = ':'.join(json.loads(ip_cols['fq_name'])[:-2])
vn_cols = obj_fq_name_table.get('virtual_network',
column_start='%s:' %(vn_fq_name_str),
column_finish='%s;' %(vn_fq_name_str))
vn_id = vn_cols.keys()[0].split(':')[-1]
if not vn_id:
ret_errors.append(VirtualNetworkMissingError(
'Missing vn in %s %s.\n' %(ip_type, ip_id)))
continue
fq_name_json = obj_uuid_table.get(vn_id,
columns=['fq_name'],
column_count=MAX_COL)['fq_name']
fq_name_str = ':'.join(json.loads(fq_name_json))
if fq_name_str not in cassandra_all_vns:
msg = "Found IP %s %s on VN %s (%s) thats not in FQ NAME index" \
%(ip_type, ip_id, vn_id, fq_name_str)
ret_errors.append(FQNIndexMissingError(msg))
# find all subnets on this VN and add for later check
set_reserved_addrs_in_cassandra(vn_id, fq_name_str)
# end first encountering vn
for sn_key in cassandra_all_vns[fq_name_str]:
addr_added = False
subnet = cassandra_all_vns[fq_name_str][sn_key]
if not IPAddress(ip_addr) in IPNetwork(sn_key):
continue
cassandra_all_vns[fq_name_str][sn_key]['addrs'].append(ip_addr)
addr_added = True
break
# end for all subnets in vn
if not addr_added:
errmsg = 'Missing subnet for ip %s %s' %(ip_type, ip_id)
ret_errors.append(IpSubnetMissingError(errmsg))
# end handled the ip
# end for all ip_uuids
return ret_errors
# end _addr_alloc_process_ip_objects
# end class DatabaseChecker
class DatabaseCleaner(DatabaseManager):
def cleaner(func):
def wrapper(*args, **kwargs):
self = args[0]
try:
errors = func(*args, **kwargs)
if not errors:
self._logger.info('Cleaner %s: Success' %(func.__name__))
else:
self._logger.error('Cleaner %s: Failed:\n%s\n'
%(func.__name__, '\n'.join(e.msg for e in errors)))
return errors
except Exception as e:
string_buf = StringIO()
cgitb_hook(file=string_buf, format="text")
err_msg = string_buf.getvalue()
self._logger.exception('Cleaner %s: Exception, %s' %(func.__name__, err_msg))
raise
# end wrapper
return wrapper
# end cleaner
@cleaner
def clean_stale_fq_names(self):
logger = self._logger
ret_errors = []
obj_fq_name_table = self._cf_dict['obj_fq_name_table']
obj_uuid_table = self._cf_dict['obj_uuid_table']
logger.debug("Reading all objects from obj_fq_name_table")
for obj_type, cols in obj_fq_name_table.get_range(column_count=MAX_COL):
stale_cols = []
for fq_name_str_uuid in cols: