/
opserver.py
1986 lines (1780 loc) · 79.5 KB
/
opserver.py
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#
# Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
#
#
# Opserver
#
# Operational State Server for VNC
#
from gevent import monkey
monkey.patch_all()
try:
from collections import OrderedDict
except ImportError:
# python 2.6 or earlier, use backport
from ordereddict import OrderedDict
from uveserver import UVEServer
import sys
import ConfigParser
import bottle
import json
import uuid
import argparse
import time
import redis
import base64
import socket
import struct
import errno
import copy
import datetime
import pycassa
from analytics_db import AnalyticsDb
from pycassa.pool import ConnectionPool
from pycassa.columnfamily import ColumnFamily
from pysandesh.util import UTCTimestampUsec
from pysandesh.sandesh_base import *
from pysandesh.sandesh_session import SandeshWriter
from pysandesh.gen_py.sandesh_trace.ttypes import SandeshTraceRequest
from pysandesh.connection_info import ConnectionState
from pysandesh.gen_py.process_info.ttypes import ConnectionType,\
ConnectionStatus
from sandesh_common.vns.ttypes import Module, NodeType
from sandesh_common.vns.constants import ModuleNames, CategoryNames,\
ModuleCategoryMap, Module2NodeType, NodeTypeNames, ModuleIds,\
INSTANCE_ID_DEFAULT, COLLECTOR_DISCOVERY_SERVICE_NAME,\
ANALYTICS_API_SERVER_DISCOVERY_SERVICE_NAME
from sandesh.viz.constants import _TABLES, _OBJECT_TABLES,\
_OBJECT_TABLE_SCHEMA, _OBJECT_TABLE_COLUMN_VALUES, \
_STAT_TABLES, STAT_OBJECTID_FIELD, STAT_VT_PREFIX, \
STAT_TIME_FIELD, STAT_TIMEBIN_FIELD, STAT_UUID_FIELD, \
STAT_SOURCE_FIELD, SOURCE, MODULE
from sandesh.viz.constants import *
from sandesh.analytics.ttypes import *
from sandesh.analytics.cpuinfo.ttypes import ProcessCpuInfo
from sandesh.discovery.ttypes import CollectorTrace
from opserver_util import OpServerUtils
from opserver_util import ServicePoller
from cpuinfo import CpuInfoData
from sandesh_req_impl import OpserverSandeshReqImpl
from sandesh.analytics_database.ttypes import *
from sandesh.analytics_database.constants import PurgeStatusString
from overlay_to_underlay_mapper import OverlayToUnderlayMapper, \
OverlayToUnderlayMapperError
from stevedore import hook
_ERRORS = {
errno.EBADMSG: 400,
errno.ENOBUFS: 403,
errno.EINVAL: 404,
errno.ENOENT: 410,
errno.EIO: 500,
errno.EBUSY: 503
}
@bottle.error(400)
@bottle.error(403)
@bottle.error(404)
@bottle.error(410)
@bottle.error(500)
@bottle.error(503)
def opserver_error(err):
return err.body
#end opserver_error
class LinkObject(object):
def __init__(self, name, href):
self.name = name
self.href = href
# end __init__
# end class LinkObject
def obj_to_dict(obj):
# Non-null fields in object get converted to json fields
return dict((k, v) for k, v in obj.__dict__.iteritems())
# end obj_to_dict
def redis_query_start(host, port, redis_password, qid, inp):
redish = redis.StrictRedis(db=0, host=host, port=port,
password=redis_password)
for key, value in inp.items():
redish.hset("QUERY:" + qid, key, json.dumps(value))
query_metadata = {}
query_metadata['enqueue_time'] = OpServerUtils.utc_timestamp_usec()
redish.hset("QUERY:" + qid, 'query_metadata', json.dumps(query_metadata))
redish.hset("QUERY:" + qid, 'enqueue_time',
OpServerUtils.utc_timestamp_usec())
redish.lpush("QUERYQ", qid)
res = redish.blpop("REPLY:" + qid, 10)
if res is None:
return None
# Put the status back on the queue for the use of the status URI
redish.lpush("REPLY:" + qid, res[1])
resp = json.loads(res[1])
return int(resp["progress"])
# end redis_query_start
def redis_query_status(host, port, redis_password, qid):
redish = redis.StrictRedis(db=0, host=host, port=port,
password=redis_password)
resp = {"progress": 0}
chunks = []
# For now, the number of chunks will be always 1
res = redish.lrange("REPLY:" + qid, -1, -1)
if not res:
return None
chunk_resp = json.loads(res[0])
ttl = redish.ttl("REPLY:" + qid)
if int(ttl) != -1:
chunk_resp["ttl"] = int(ttl)
query_time = redish.hmget("QUERY:" + qid, ["start_time", "end_time"])
chunk_resp["start_time"] = query_time[0]
chunk_resp["end_time"] = query_time[1]
if chunk_resp["progress"] == 100:
chunk_resp["href"] = "/analytics/query/%s/chunk-final/%d" % (qid, 0)
chunks.append(chunk_resp)
resp["progress"] = chunk_resp["progress"]
resp["chunks"] = chunks
return resp
# end redis_query_status
def redis_query_chunk_iter(host, port, redis_password, qid, chunk_id):
redish = redis.StrictRedis(db=0, host=host, port=port,
password=redis_password)
iters = 0
fin = False
while not fin:
#import pdb; pdb.set_trace()
# Keep the result line valid while it is being read
redish.persist("RESULT:" + qid + ":" + str(iters))
elems = redish.lrange("RESULT:" + qid + ":" + str(iters), 0, -1)
yield elems
if elems == []:
fin = True
else:
redish.delete("RESULT:" + qid + ":" + str(iters), 0, -1)
iters += 1
return
# end redis_query_chunk_iter
def redis_query_chunk(host, port, redis_password, qid, chunk_id):
res_iter = redis_query_chunk_iter(host, port, redis_password, qid, chunk_id)
dli = u''
starter = True
fin = False
yield u'{"value": ['
outcount = 0
while not fin:
#import pdb; pdb.set_trace()
# Keep the result line valid while it is being read
elems = res_iter.next()
fin = True
for elem in elems:
fin = False
outcount += 1
if starter:
dli += '\n' + elem
starter = False
else:
dli += ', ' + elem
if not fin:
yield dli + '\n'
dli = u''
if outcount == 0:
yield '\n' + u']}'
else:
yield u']}'
return
# end redis_query_chunk
def redis_query_result(host, port, redis_password, qid):
try:
status = redis_query_status(host, port, redis_password, qid)
except redis.exceptions.ConnectionError:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'Query', status = ConnectionStatus.DOWN,
message = 'Query[%s] result : Connection Error' % (qid),
server_addrs = ['%s:%d' % (host, port)])
yield bottle.HTTPError(_ERRORS[errno.EIO],
'Failure in connection to the query DB')
except Exception as e:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'Query', status = ConnectionStatus.DOWN,
message = 'Query[%s] result : Exception: %s' % (qid, str(e)),
server_addrs = ['%s:%d' % (host, port)])
self._logger.error("Exception: %s" % e)
yield bottle.HTTPError(_ERRORS[errno.EIO], 'Error: %s' % e)
else:
if status is None:
yield bottle.HTTPError(_ERRORS[errno.ENOENT],
'Invalid query id (or) query result purged from DB')
if status['progress'] == 100:
for chunk in status['chunks']:
chunk_id = int(chunk['href'].rsplit('/', 1)[1])
for gen in redis_query_chunk(host, port, redis_password, qid,
chunk_id):
yield gen
else:
yield {}
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
message = None,
status = ConnectionStatus.UP,
server_addrs = ['%s:%d' % (host, port)],
name = 'Query')
return
# end redis_query_result
def redis_query_result_dict(host, port, redis_password, qid):
stat = redis_query_status(host, port, redis_password, qid)
prg = int(stat["progress"])
res = []
if (prg < 0) or (prg == 100):
done = False
gen = redis_query_result(host, port, redis_password, qid)
result = u''
while not done:
try:
result += gen.next()
#import pdb; pdb.set_trace()
except StopIteration:
done = True
res = (json.loads(result))['value']
return prg, res
# end redis_query_result_dict
def redis_query_info(redish, qid):
query_data = {}
query_dict = redish.hgetall('QUERY:' + qid)
query_metadata = json.loads(query_dict['query_metadata'])
del query_dict['query_metadata']
query_data['query_id'] = qid
query_data['query'] = str(query_dict)
query_data['enqueue_time'] = query_metadata['enqueue_time']
return query_data
# end redis_query_info
class OpStateServer(object):
def __init__(self, logger, redis_password=None):
self._logger = logger
self._redis_list = []
self._redis_password= redis_password
# end __init__
def update_redis_list(self, redis_list):
self._redis_list = redis_list
# end update_redis_list
def redis_publish(self, msg_type, destination, msg):
# Get the sandesh encoded in XML format
sandesh = SandeshWriter.encode_sandesh(msg)
msg_encode = base64.b64encode(sandesh)
redis_msg = '{"type":"%s","destination":"%s","message":"%s"}' \
% (msg_type, destination, msg_encode)
# Publish message in the Redis bus
for redis_server in self._redis_list:
redis_inst = redis.StrictRedis(redis_server[0],
redis_server[1], db=0,
password=self._redis_password)
try:
redis_inst.publish('analytics', redis_msg)
except redis.exceptions.ConnectionError:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'UVE', status = ConnectionStatus.DOWN,
message = 'Connection Error',
server_addrs = ['%s:%d' % (redis_server[0], \
redis_server[1])])
self._logger.error('No Connection to Redis [%s:%d].'
'Failed to publish message.' \
% (redis_server[0], redis_server[1]))
return True
# end redis_publish
# end class OpStateServer
class OpServer(object):
"""
This class provides ReST API to get operational state of
Contrail VNS system.
The supported **GET** APIs are:
* ``/analytics/virtual-network/<name>``
* ``/analytics/virtual-machine/<name>``
* ``/analytics/vrouter/<name>``:
* ``/analytics/bgp-router/<name>``
* ``/analytics/bgp-peer/<name>``
* ``/analytics/xmpp-peer/<name>``
* ``/analytics/collector/<name>``
* ``/analytics/tables``:
* ``/analytics/table/<table>``:
* ``/analytics/table/<table>/schema``:
* ``/analytics/table/<table>/column-values``:
* ``/analytics/table/<table>/column-values/<column>``:
* ``/analytics/query/<queryId>``
* ``/analytics/query/<queryId>/chunk-final/<chunkId>``
* ``/analytics/send-tracebuffer/<source>/<module>/<name>``
* ``/analytics/operation/analytics-data-start-time``
The supported **POST** APIs are:
* ``/analytics/query``:
* ``/analytics/operation/database-purge``:
"""
def disc_publish(self):
try:
import discoveryclient.client as client
except:
try:
# TODO: Try importing from the server. This should go away..
import discovery.client as client
except:
raise Exception('Could not get Discovery Client')
data = {
'ip-address': self._args.host_ip,
'port': self._args.rest_api_port,
}
self.disc = client.DiscoveryClient(
self._args.disc_server_ip,
self._args.disc_server_port,
ModuleNames[Module.OPSERVER])
self._logger.info("Disc Publish to %s : %d - %s"
% (self._args.disc_server_ip,
self._args.disc_server_port, str(data)))
self.disc.publish(ANALYTICS_API_SERVER_DISCOVERY_SERVICE_NAME, data)
# end
def __init__(self):
self._args = None
self._parse_args()
self._homepage_links = []
self._homepage_links.append(
LinkObject('documentation', '/documentation/index.html'))
self._homepage_links.append(LinkObject('analytics', '/analytics'))
super(OpServer, self).__init__()
module = Module.OPSERVER
self._moduleid = ModuleNames[module]
node_type = Module2NodeType[module]
self._node_type_name = NodeTypeNames[node_type]
if self._args.worker_id:
self._instance_id = self._args.worker_id
else:
self._instance_id = INSTANCE_ID_DEFAULT
self._hostname = socket.gethostname()
if self._args.dup:
self._hostname += 'dup'
opserver_sandesh_req_impl = OpserverSandeshReqImpl(self)
sandesh_global.init_generator(self._moduleid, self._hostname,
self._node_type_name, self._instance_id,
self._args.collectors, 'opserver_context',
int(self._args.http_server_port),
['opserver.sandesh'])
sandesh_global.set_logging_params(
enable_local_log=self._args.log_local,
category=self._args.log_category,
level=self._args.log_level,
file=self._args.log_file,
enable_syslog=self._args.use_syslog,
syslog_facility=self._args.syslog_facility)
ConnectionState.init(sandesh_global, self._hostname, self._moduleid,
self._instance_id,
staticmethod(ConnectionState.get_process_state_cb),
NodeStatusUVE, NodeStatus)
# Trace buffer list
self.trace_buf = [
{'name':'DiscoveryMsg', 'size':1000}
]
# Create trace buffers
for buf in self.trace_buf:
sandesh_global.trace_buffer_create(name=buf['name'], size=buf['size'])
self._logger = sandesh_global._logger
self._get_common = self._http_get_common
self._put_common = self._http_put_common
self._delete_common = self._http_delete_common
self._post_common = self._http_post_common
self._collector_pool = None
self._state_server = OpStateServer(self._logger, self._args.redis_password)
self._uve_server = UVEServer(('127.0.0.1',
self._args.redis_server_port),
self._logger, self._args.rest_api_port,
self._args.redis_password)
self._LEVEL_LIST = []
for k in SandeshLevel._VALUES_TO_NAMES:
if (k < SandeshLevel.UT_START):
d = {}
d[k] = SandeshLevel._VALUES_TO_NAMES[k]
self._LEVEL_LIST.append(d)
self._CATEGORY_MAP =\
dict((ModuleNames[k], [CategoryNames[ce] for ce in v])
for k, v in ModuleCategoryMap.iteritems())
self.disc = None
if self._args.disc_server_ip:
self.disc_publish()
else:
self.redis_uve_list = []
try:
if type(self._args.redis_uve_list) is str:
self._args.redis_uve_list = self._args.redis_uve_list.split()
for redis_uve in self._args.redis_uve_list:
redis_ip_port = redis_uve.split(':')
redis_ip_port = (redis_ip_port[0], int(redis_ip_port[1]))
self.redis_uve_list.append(redis_ip_port)
except Exception as e:
self._logger.error('Failed to parse redis_uve_list: %s' % e)
else:
self._state_server.update_redis_list(self.redis_uve_list)
self._uve_server.update_redis_uve_list(self.redis_uve_list)
self._analytics_links = ['uves', 'alarms', 'tables', 'queries']
self._VIRTUAL_TABLES = copy.deepcopy(_TABLES)
self._ALARM_TYPES = {}
for uk,uv in UVE_MAP.iteritems():
mgr = hook.HookManager(
namespace='contrail.analytics.alarms',
name=uv,
invoke_on_load=True,
invoke_args=()
)
self._ALARM_TYPES[uv] = {}
for extn in mgr[uv]:
self._logger.info('Loaded extensions for %s: %s,%s doc %s' % \
(uv, extn.name, extn.entry_point_target, extn.obj.__doc__))
ty = extn.entry_point_target.rsplit(":",1)[1]
self._ALARM_TYPES[uv][ty] = extn.obj.__doc__
for t in _OBJECT_TABLES:
obj = query_table(
name=t, display_name=_OBJECT_TABLES[t].objtable_display_name,
schema=_OBJECT_TABLE_SCHEMA,
columnvalues=_OBJECT_TABLE_COLUMN_VALUES)
self._VIRTUAL_TABLES.append(obj)
for t in _STAT_TABLES:
stat_id = t.stat_type + "." + t.stat_attr
scols = []
keyln = stat_query_column(name=STAT_SOURCE_FIELD, datatype='string', index=True)
scols.append(keyln)
tln = stat_query_column(name=STAT_TIME_FIELD, datatype='int', index=False)
scols.append(tln)
tcln = stat_query_column(name="CLASS(" + STAT_TIME_FIELD + ")",
datatype='int', index=False)
scols.append(tcln)
teln = stat_query_column(name=STAT_TIMEBIN_FIELD, datatype='int', index=False)
scols.append(teln)
tecln = stat_query_column(name="CLASS(" + STAT_TIMEBIN_FIELD+ ")",
datatype='int', index=False)
scols.append(tecln)
uln = stat_query_column(name=STAT_UUID_FIELD, datatype='uuid', index=False)
scols.append(uln)
cln = stat_query_column(name="COUNT(" + t.stat_attr + ")",
datatype='int', index=False)
scols.append(cln)
isname = False
for aln in t.attributes:
if aln.name==STAT_OBJECTID_FIELD:
isname = True
scols.append(aln)
if aln.datatype in ['int','double']:
sln = stat_query_column(name= "SUM(" + aln.name + ")",
datatype=aln.datatype, index=False)
scols.append(sln)
scln = stat_query_column(name= "CLASS(" + aln.name + ")",
datatype=aln.datatype, index=False)
scols.append(scln)
sln = stat_query_column(name= "MAX(" + aln.name + ")",
datatype=aln.datatype, index=False)
scols.append(sln)
scln = stat_query_column(name= "MIN(" + aln.name + ")",
datatype=aln.datatype, index=False)
scols.append(scln)
if not isname:
keyln = stat_query_column(name=STAT_OBJECTID_FIELD, datatype='string', index=True)
scols.append(keyln)
sch = query_schema_type(type='STAT', columns=scols)
stt = query_table(
name = STAT_VT_PREFIX + "." + stat_id,
display_name = t.display_name,
schema = sch,
columnvalues = [STAT_OBJECTID_FIELD, SOURCE])
self._VIRTUAL_TABLES.append(stt)
self._analytics_db = AnalyticsDb(self._logger,
self._args.cassandra_server_list,
self._args.redis_query_port,
self._args.redis_password)
bottle.route('/', 'GET', self.homepage_http_get)
bottle.route('/analytics', 'GET', self.analytics_http_get)
bottle.route('/analytics/uves', 'GET', self.uves_http_get)
bottle.route('/analytics/alarms', 'GET', self.alarms_http_get)
bottle.route('/analytics/query', 'POST', self.query_process)
bottle.route(
'/analytics/query/<queryId>', 'GET', self.query_status_get)
bottle.route('/analytics/query/<queryId>/chunk-final/<chunkId>',
'GET', self.query_chunk_get)
bottle.route('/analytics/queries', 'GET', self.show_queries)
bottle.route('/analytics/tables', 'GET', self.tables_process)
bottle.route('/analytics/operation/database-purge',
'POST', self.process_purge_request)
bottle.route('/analytics/operation/analytics-data-start-time',
'GET', self._get_analytics_data_start_time)
bottle.route('/analytics/table/<table>', 'GET', self.table_process)
bottle.route('/analytics/table/<table>/schema',
'GET', self.table_schema_process)
for i in range(0, len(self._VIRTUAL_TABLES)):
if len(self._VIRTUAL_TABLES[i].columnvalues) > 0:
bottle.route('/analytics/table/<table>/column-values',
'GET', self.column_values_process)
bottle.route('/analytics/table/<table>/column-values/<column>',
'GET', self.column_process)
bottle.route('/analytics/send-tracebuffer/<source>/<module>/<instance_id>/<name>',
'GET', self.send_trace_buffer)
bottle.route('/documentation/<filename:path>',
'GET', self.documentation_http_get)
bottle.route('/analytics/<uvealarm>/<tables>', 'GET', self.dyn_list_http_get)
bottle.route('/analytics/<uvealarm>/<table>/<name:path>', 'GET', self.dyn_http_get)
bottle.route('/analytics/<uvealarm>/<tables>', 'POST', self.dyn_http_post)
bottle.route('/analytics/alarms/<tables>/types', 'GET', self._uve_alarm_http_types)
# start gevent to monitor disk usage and automatically purge
if (self._args.auto_db_purge):
gevent.spawn(self._auto_purge)
# end __init__
def dyn_http_get(self, uvealarm, table, name):
is_alarm = None
if uvealarm == "uves":
is_alarm = False
elif uvealarm == "alarms":
is_alarm = True
else:
return {}
return self._uve_alarm_http_get(table, name, is_alarm)
def dyn_list_http_get(self, uvealarm, tables):
is_alarm = None
if uvealarm == "uves":
is_alarm = False
elif uvealarm == "alarms":
is_alarm = True
else:
return []
return self._uve_alarm_list_http_get(is_alarm)
def dyn_http_post(self, uvealarm, tables):
is_alarm = None
if uvealarm == "uves":
is_alarm = False
elif uvealarm == "alarms":
is_alarm = True
else:
return {}
return self._uve_alarm_http_post(is_alarm)
def _parse_args(self, args_str=' '.join(sys.argv[1:])):
'''
Eg. python opserver.py --host_ip 127.0.0.1
--redis_server_port 6379
--redis_query_port 6379
--redis_password
--collectors 127.0.0.1:8086
--cassandra_server_list 127.0.0.1:9160
--http_server_port 8090
--rest_api_port 8081
--rest_api_ip 0.0.0.0
--log_local
--log_level SYS_DEBUG
--log_category test
--log_file <stdout>
--use_syslog
--syslog_facility LOG_USER
--worker_id 0
--redis_uve_list 127.0.0.1:6379
--auto_db_purge
'''
# Source any specified config/ini file
# Turn off help, so we print all options in response to -h
conf_parser = argparse.ArgumentParser(add_help=False)
conf_parser.add_argument("-c", "--conf_file",
help="Specify config file", metavar="FILE")
args, remaining_argv = conf_parser.parse_known_args(args_str.split())
defaults = {
'host_ip' : "127.0.0.1",
'collectors' : ['127.0.0.1:8086'],
'cassandra_server_list' : ['127.0.0.1:9160'],
'http_server_port' : 8090,
'rest_api_port' : 8081,
'rest_api_ip' : '0.0.0.0',
'log_local' : False,
'log_level' : 'SYS_DEBUG',
'log_category' : '',
'log_file' : Sandesh._DEFAULT_LOG_FILE,
'use_syslog' : False,
'syslog_facility' : Sandesh._DEFAULT_SYSLOG_FACILITY,
'dup' : False,
'redis_uve_list' : ['127.0.0.1:6379'],
'auto_db_purge' : True,
'db_purge_threshold' : 70,
'db_purge_level' : 40,
'analytics_data_ttl' : 48,
'analytics_config_audit_ttl' : -1,
'analytics_statistics_ttl' : -1,
'analytics_flow_ttl' : -1
}
redis_opts = {
'redis_server_port' : 6379,
'redis_query_port' : 6379,
'redis_password' : None,
}
disc_opts = {
'disc_server_ip' : None,
'disc_server_port' : 5998,
}
# read contrail-analytics-api own conf file
config = None
if args.conf_file:
config = ConfigParser.SafeConfigParser()
config.read([args.conf_file])
if 'DEFAULTS' in config.sections():
defaults.update(dict(config.items("DEFAULTS")))
if 'REDIS' in config.sections():
redis_opts.update(dict(config.items('REDIS')))
if 'DISCOVERY' in config.sections():
disc_opts.update(dict(config.items('DISCOVERY')))
# Override with CLI options
# Don't surpress add_help here so it will handle -h
parser = argparse.ArgumentParser(
# Inherit options from config_parser
parents=[conf_parser],
# print script description with -h/--help
description=__doc__,
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
defaults.update(redis_opts)
defaults.update(disc_opts)
defaults.update()
parser.set_defaults(**defaults)
parser.add_argument("--host_ip",
help="Host IP address")
parser.add_argument("--redis_server_port",
type=int,
help="Redis server port")
parser.add_argument("--redis_query_port",
type=int,
help="Redis query port")
parser.add_argument("--redis_password",
help="Redis server password")
parser.add_argument("--collectors",
help="List of Collector IP addresses in ip:port format",
nargs="+")
parser.add_argument("--http_server_port",
type=int,
help="HTTP server port")
parser.add_argument("--rest_api_port",
type=int,
help="REST API port")
parser.add_argument("--rest_api_ip",
help="REST API IP address")
parser.add_argument("--log_local", action="store_true",
help="Enable local logging of sandesh messages")
parser.add_argument(
"--log_level",
help="Severity level for local logging of sandesh messages")
parser.add_argument(
"--log_category",
help="Category filter for local logging of sandesh messages")
parser.add_argument("--log_file",
help="Filename for the logs to be written to")
parser.add_argument("--use_syslog",
action="store_true",
help="Use syslog for logging")
parser.add_argument("--syslog_facility",
help="Syslog facility to receive log lines")
parser.add_argument("--disc_server_ip",
help="Discovery Server IP address")
parser.add_argument("--disc_server_port",
type=int,
help="Discovery Server port")
parser.add_argument("--dup", action="store_true",
help="Internal use")
parser.add_argument("--redis_uve_list",
help="List of redis-uve in ip:port format. For internal use only",
nargs="+")
parser.add_argument(
"--worker_id",
help="Worker Id")
parser.add_argument("--cassandra_server_list",
help="List of cassandra_server_ip in ip:port format",
nargs="+")
parser.add_argument("--auto_db_purge", action="store_true",
help="Automatically purge database if disk usage cross threshold")
self._args = parser.parse_args(remaining_argv)
if type(self._args.collectors) is str:
self._args.collectors = self._args.collectors.split()
if type(self._args.redis_uve_list) is str:
self._args.redis_uve_list = self._args.redis_uve_list.split()
if type(self._args.cassandra_server_list) is str:
self._args.cassandra_server_list = self._args.cassandra_server_list.split()
# end _parse_args
def get_args(self):
return self._args
# end get_args
def get_http_server_port(self):
return int(self._args.http_server_port)
# end get_http_server_port
def get_uve_server(self):
return self._uve_server
# end get_uve_server
def homepage_http_get(self):
json_body = {}
json_links = []
base_url = bottle.request.urlparts.scheme + \
'://' + bottle.request.urlparts.netloc
for link in self._homepage_links:
json_links.append(
{'link': obj_to_dict(
LinkObject(link.name, base_url + link.href))})
json_body = \
{"href": base_url,
"links": json_links
}
return json_body
# end homepage_http_get
def documentation_http_get(self, filename):
return bottle.static_file(
filename, root='/usr/share/doc/contrail-analytics-api/html')
# end documentation_http_get
def _http_get_common(self, request):
return (True, '')
# end _http_get_common
def _http_put_common(self, request, obj_dict):
return (True, '')
# end _http_put_common
def _http_delete_common(self, request, id):
return (True, '')
# end _http_delete_common
def _http_post_common(self, request, obj_dict):
return (True, '')
# end _http_post_common
@staticmethod
def _get_redis_query_ip_from_qid(qid):
try:
ip = qid.rsplit('-', 1)[1]
redis_ip = socket.inet_ntop(socket.AF_INET,
struct.pack('>I', int(ip, 16)))
except Exception as err:
return None
return redis_ip
# end _get_redis_query_ip_from_qid
def _query_status(self, request, qid):
resp = {}
redis_query_ip = OpServer._get_redis_query_ip_from_qid(qid)
if redis_query_ip is None:
return bottle.HTTPError(_ERRORS[errno.EINVAL],
'Invalid query id')
try:
resp = redis_query_status(host=redis_query_ip,
port=int(self._args.redis_query_port),
redis_password=self._args.redis_password,
qid=qid)
except redis.exceptions.ConnectionError:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'Query', status = ConnectionStatus.DOWN,
message = 'Query[%s] status : Connection Error' % (qid),
server_addrs = ['%s:%s' % (redis_query_ip, \
str(self._args.redis_query_port))])
return bottle.HTTPError(_ERRORS[errno.EIO],
'Failure in connection to the query DB')
except Exception as e:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'Query', status = ConnectionStatus.DOWN,
message = 'Query[%s] status : Exception %s' % (qid, str(e)),
server_addrs = ['%s:%s' % (redis_query_ip, \
str(self._args.redis_query_port))])
self._logger.error("Exception: %s" % e)
return bottle.HTTPError(_ERRORS[errno.EIO], 'Error: %s' % e)
else:
if resp is None:
return bottle.HTTPError(_ERRORS[errno.ENOENT],
'Invalid query id or Abandoned query id')
resp_header = {'Content-Type': 'application/json'}
resp_code = 200
self._logger.debug("query [%s] status: %s" % (qid, resp))
return bottle.HTTPResponse(
json.dumps(resp), resp_code, resp_header)
# end _query_status
def _query_chunk(self, request, qid, chunk_id):
redis_query_ip = OpServer._get_redis_query_ip_from_qid(qid)
if redis_query_ip is None:
yield bottle.HTTPError(_ERRORS[errno.EINVAL],
'Invalid query id')
try:
done = False
gen = redis_query_chunk(host=redis_query_ip,
port=int(self._args.redis_query_port),
redis_password=self._args.redis_password,
qid=qid, chunk_id=chunk_id)
bottle.response.set_header('Content-Type', 'application/json')
while not done:
try:
yield gen.next()
except StopIteration:
done = True
except redis.exceptions.ConnectionError:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'Query', status = ConnectionStatus.DOWN,
message = 'Query [%s] chunk #%d : Connection Error' % \
(qid, chunk_id),
server_addrs = ['%s:%s' % (redis_query_ip, \
str(self._args.redis_query_port))])
yield bottle.HTTPError(_ERRORS[errno.EIO],
'Failure in connection to the query DB')
except Exception as e:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'Query', status = ConnectionStatus.DOWN,
message = 'Query [%s] chunk #%d : Exception %s' % \
(qid, chunk_id, str(e)),
server_addrs = ['%s:%s' % (redis_query_ip, \
str(self._args.redis_query_port))])
self._logger.error("Exception: %s" % str(e))
yield bottle.HTTPError(_ERRORS[errno.ENOENT], 'Error: %s' % e)
else:
self._logger.info(
"Query [%s] chunk #%d read at time %d"
% (qid, chunk_id, time.time()))
# end _query_chunk
def _query(self, request):
reply = {}
try:
redis_query_ip, = struct.unpack('>I', socket.inet_pton(
socket.AF_INET, self._args.host_ip))
qid = str(uuid.uuid1(redis_query_ip))
self._logger.info("Starting Query %s" % qid)
tabl = ""
for key, value in request.json.iteritems():
if key == "table":
tabl = value
self._logger.info("Table is " + tabl)
tabn = None
for i in range(0, len(self._VIRTUAL_TABLES)):
if self._VIRTUAL_TABLES[i].name == tabl:
tabn = i
if (tabn is not None):
tabtypes = {}
for cols in self._VIRTUAL_TABLES[tabn].schema.columns:
if cols.datatype in ['long', 'int']:
tabtypes[cols.name] = 'int'
elif cols.datatype in ['ipv4']:
tabtypes[cols.name] = 'ipv4'
else:
tabtypes[cols.name] = 'string'
self._logger.info(str(tabtypes))
if (tabn is None):
if not tabl.startswith("StatTable."):
reply = bottle.HTTPError(_ERRORS[errno.ENOENT],
'Table %s not found' % tabl)
yield reply
return
else:
self._logger.info("Schema not known for dynamic table %s" % tabl)
if tabl == OVERLAY_TO_UNDERLAY_FLOW_MAP:
overlay_to_underlay_map = OverlayToUnderlayMapper(
request.json, self._args.host_ip,
self._args.rest_api_port, self._logger)
try:
yield overlay_to_underlay_map.process_query()
except OverlayToUnderlayMapperError as e:
yield bottle.HTTPError(_ERRORS[errno.EIO], str(e))
return
prg = redis_query_start('127.0.0.1',
int(self._args.redis_query_port),
self._args.redis_password,
qid, request.json)
if prg is None:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'Query', status = ConnectionStatus.DOWN,
message = 'Query[%s] Query Engine not responding' % qid,
server_addrs = ['127.0.0.1' + ':' +
str(self._args.redis_query_port)])
self._logger.error('QE Not Responding')
yield bottle.HTTPError(_ERRORS[errno.EBUSY],
'Query Engine is not responding')
return
except redis.exceptions.ConnectionError:
# Update connection info
ConnectionState.update(conn_type = ConnectionType.REDIS,
name = 'Query', status = ConnectionStatus.DOWN,
message = 'Query[%s] Connection Error' % (qid),
server_addrs = ['127.0.0.1' + ':' +
str(self._args.redis_query_port)])
yield bottle.HTTPError(_ERRORS[errno.EIO],
'Failure in connection to the query DB')