/
vnc_cfg_api_server.py
1432 lines (1232 loc) · 54.6 KB
/
vnc_cfg_api_server.py
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#
# Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
#
"""
This is the main module in vnc_cfg_api_server package. It manages interaction
between http/rest, address management, authentication and database interfaces.
"""
from gevent import monkey
monkey.patch_all()
from gevent import hub
import sys
reload(sys)
sys.setdefaultencoding('UTF8')
import re
import logging
import logging.config
import signal
import os
import socket
import json
import uuid
import copy
import argparse
import ConfigParser
from pprint import pformat
import cgitb
from cStringIO import StringIO
#import GreenletProfiler
import logging
logger = logging.getLogger(__name__)
"""
Following is needed to silence warnings on every request when keystone\
auth_token middleware + Sandesh is used. Keystone or Sandesh alone\
do not produce these warnings.
Exception AttributeError: AttributeError(
"'_DummyThread' object has no attribute '_Thread__block'",)
in <module 'threading' from '/usr/lib64/python2.7/threading.pyc'> ignored
See http://stackoverflow.com/questions/13193278/understand-python-threading-bug
for more information.
"""
import threading
threading._DummyThread._Thread__stop = lambda x: 42
CONFIG_VERSION = '1.0'
import bottle
from bottle import request
request.MEMFILE_MAX = 1024000
import utils
import vnc_cfg_types
from vnc_cfg_ifmap import VncDbClient
from cfgm_common import ignore_exceptions
from cfgm_common.uve.vnc_api.ttypes import VncApiCommon, VncApiReadLog,\
VncApiConfigLog, VncApiError
from cfgm_common.uve.virtual_network.ttypes import UveVirtualNetworkConfig,\
UveVirtualNetworkConfigTrace
from cfgm_common import illegal_xml_chars_RE
from sandesh_common.vns.ttypes import Module, NodeType
from sandesh_common.vns.constants import ModuleNames, Module2NodeType,\
NodeTypeNames, INSTANCE_ID_DEFAULT, API_SERVER_DISCOVERY_SERVICE_NAME,\
IFMAP_SERVER_DISCOVERY_SERVICE_NAME
from provision_defaults import Provision
from vnc_quota import *
from gen.resource_xsd import *
from gen.resource_common import *
from gen.resource_server import *
from gen.vnc_api_server_gen import VncApiServerGen
import cfgm_common
from cfgm_common.rest import LinkObject
from cfgm_common.exceptions import *
from cfgm_common.vnc_extensions import ExtensionManager, ApiHookManager
import gen.resource_xsd
import vnc_addr_mgmt
import vnc_auth
import vnc_auth_keystone
import vnc_perms
from cfgm_common import vnc_cpu_info
from pysandesh.sandesh_base import *
from pysandesh.gen_py.sandesh.ttypes import SandeshLevel
import discoveryclient.client as client
#from gen_py.vnc_api.ttypes import *
import netifaces
from pysandesh.connection_info import ConnectionState
from cfgm_common.uve.cfgm_cpuinfo.ttypes import NodeStatusUVE, \
NodeStatus
from sandesh.traces.ttypes import RestApiTrace
_ACTION_RESOURCES = [
{'uri': '/ref-update', 'link_name': 'ref-update',
'method_name': 'ref_update_http_post'},
{'uri': '/fqname-to-id', 'link_name': 'name-to-id',
'method_name': 'fq_name_to_id_http_post'},
{'uri': '/id-to-fqname', 'link_name': 'id-to-name',
'method_name': 'id_to_fq_name_http_post'},
# ifmap-to-id only for ifmap subcribers using rest for publish
{'uri': '/ifmap-to-id', 'link_name': 'ifmap-to-id',
'method_name': 'ifmap_to_id_http_post'},
{'uri': '/useragent-kv', 'link_name': 'useragent-keyvalue',
'method_name': 'useragent_kv_http_post'},
{'uri': '/db-check', 'link_name': 'database-check',
'method_name': 'db_check'},
{'uri': '/fetch-records', 'link_name': 'fetch-records',
'method_name': 'fetch_records'},
{'uri': '/start-profile', 'link_name': 'start-profile',
'method_name': 'start_profile'},
{'uri': '/stop-profile', 'link_name': 'stop-profile',
'method_name': 'stop_profile'},
]
@bottle.error(400)
def error_400(err):
return err.body
# end error_400
@bottle.error(403)
def error_403(err):
return err.body
# end error_403
@bottle.error(404)
def error_404(err):
return err.body
# end error_404
@bottle.error(409)
def error_409(err):
return err.body
# end error_409
@bottle.error(500)
def error_500(err):
return err.body
# end error_500
@bottle.error(503)
def error_503(err):
return err.body
# end error_503
# Masking of password from openstack/common/log.py
_SANITIZE_KEYS = ['adminPass', 'admin_pass', 'password', 'admin_password']
# NOTE(ldbragst): Let's build a list of regex objects using the list of
# _SANITIZE_KEYS we already have. This way, we only have to add the new key
# to the list of _SANITIZE_KEYS and we can generate regular expressions
# for XML and JSON automatically.
_SANITIZE_PATTERNS = []
_FORMAT_PATTERNS = [r'(%(key)s\s*[=]\s*[\"\']).*?([\"\'])',
r'(<%(key)s>).*?(</%(key)s>)',
r'([\"\']%(key)s[\"\']\s*:\s*[\"\']).*?([\"\'])',
r'([\'"].*?%(key)s[\'"]\s*:\s*u?[\'"]).*?([\'"])']
for key in _SANITIZE_KEYS:
for pattern in _FORMAT_PATTERNS:
reg_ex = re.compile(pattern % {'key': key}, re.DOTALL)
_SANITIZE_PATTERNS.append(reg_ex)
def mask_password(message, secret="***"):
"""Replace password with 'secret' in message.
:param message: The string which includes security information.
:param secret: value with which to replace passwords.
:returns: The unicode value of message with the password fields masked.
For example:
>>> mask_password("'adminPass' : 'aaaaa'")
"'adminPass' : '***'"
>>> mask_password("'admin_pass' : 'aaaaa'")
"'admin_pass' : '***'"
>>> mask_password('"password" : "aaaaa"')
'"password" : "***"'
>>> mask_password("'original_password' : 'aaaaa'")
"'original_password' : '***'"
>>> mask_password("u'original_password' : u'aaaaa'")
"u'original_password' : u'***'"
"""
if not any(key in message for key in _SANITIZE_KEYS):
return message
secret = r'\g<1>' + secret + r'\g<2>'
for pattern in _SANITIZE_PATTERNS:
message = re.sub(pattern, secret, message)
return message
class VncApiServer(VncApiServerGen):
"""
This is the manager class co-ordinating all classes present in the package
"""
_INVALID_NAME_CHARS = set(':')
def __new__(cls, *args, **kwargs):
obj = super(VncApiServer, cls).__new__(cls, *args, **kwargs)
bottle.route('/', 'GET', obj.homepage_http_get)
for act_res in _ACTION_RESOURCES:
method = getattr(obj, act_res['method_name'])
obj.route(act_res['uri'], 'POST', method)
return obj
# end __new__
def __init__(self, args_str=None):
self._args = None
if not args_str:
args_str = ' '.join(sys.argv[1:])
self._parse_args(args_str)
# set python logging level from logging_level cmdline arg
if not self._args.logging_conf:
logging.basicConfig(level = getattr(logging, self._args.logging_level))
else:
logging.config.fileConfig(self._args.logging_conf)
self._base_url = "http://%s:%s" % (self._args.listen_ip_addr,
self._args.listen_port)
super(VncApiServer, self).__init__()
self._pipe_start_app = None
#GreenletProfiler.set_clock_type('wall')
self._profile_info = None
# REST interface initialization
self._get_common = self._http_get_common
self._put_common = self._http_put_common
self._delete_common = self._http_delete_common
self._post_validate = self._http_post_validate
self._post_common = self._http_post_common
# Type overrides from generated code
self._resource_classes['global-system-config'] = \
vnc_cfg_types.GlobalSystemConfigServer
self._resource_classes['floating-ip'] = vnc_cfg_types.FloatingIpServer
self._resource_classes['instance-ip'] = vnc_cfg_types.InstanceIpServer
self._resource_classes['logical-router'] = vnc_cfg_types.LogicalRouterServer
self._resource_classes['security-group'] = vnc_cfg_types.SecurityGroupServer
self._resource_classes['virtual-machine-interface'] = \
vnc_cfg_types.VirtualMachineInterfaceServer
self._resource_classes['virtual-network'] = \
vnc_cfg_types.VirtualNetworkServer
self._resource_classes['network-policy'] = \
vnc_cfg_types.NetworkPolicyServer
self._resource_classes['network-ipam'] = \
vnc_cfg_types.NetworkIpamServer
self._resource_classes['virtual-DNS'] = vnc_cfg_types.VirtualDnsServer
self._resource_classes['virtual-DNS-record'] = \
vnc_cfg_types.VirtualDnsRecordServer
self._resource_classes['logical-interface'] = \
vnc_cfg_types.LogicalInterfaceServer
self._resource_classes['physical-interface'] = \
vnc_cfg_types.PhysicalInterfaceServer
self._resource_classes['virtual-ip'] = vnc_cfg_types.VirtualIpServer
self._resource_classes['loadbalancer-healthmonitor'] = (
vnc_cfg_types.LoadbalancerHealthmonitorServer)
self._resource_classes['loadbalancer-member'] = (
vnc_cfg_types.LoadbalancerMemberServer)
self._resource_classes['loadbalancer-pool'] = (
vnc_cfg_types.LoadbalancerPoolServer)
# TODO default-generation-setting can be from ini file
self._resource_classes['bgp-router'].generate_default_instance = False
self._resource_classes[
'virtual-router'].generate_default_instance = False
self._resource_classes[
'access-control-list'].generate_default_instance = False
self._resource_classes[
'floating-ip-pool'].generate_default_instance = False
self._resource_classes['instance-ip'].generate_default_instance = False
self._resource_classes['logical-router'].generate_default_instance = False
self._resource_classes['security-group'].generate_default_instance = False
self._resource_classes[
'virtual-machine'].generate_default_instance = False
self._resource_classes[
'virtual-machine-interface'].generate_default_instance = False
self._resource_classes[
'service-template'].generate_default_instance = False
self._resource_classes[
'service-instance'].generate_default_instance = False
self._resource_classes[
'virtual-DNS-record'].generate_default_instance = False
self._resource_classes['virtual-DNS'].generate_default_instance = False
self._resource_classes[
'global-vrouter-config'].generate_default_instance = False
self._resource_classes[
'loadbalancer-pool'].generate_default_instance = False
self._resource_classes[
'loadbalancer-member'].generate_default_instance = False
self._resource_classes[
'loadbalancer-healthmonitor'].generate_default_instance = False
self._resource_classes[
'virtual-ip'].generate_default_instance = False
self._resource_classes['analytics-node'].generate_default_instance = False
self._resource_classes['database-node'].generate_default_instance = False
for act_res in _ACTION_RESOURCES:
link = LinkObject('action', self._base_url, act_res['uri'],
act_res['link_name'])
self._homepage_links.append(link)
# Register for VN delete request. Disallow delete of system default VN
bottle.route('/virtual-network/<id>', 'DELETE', self.virtual_network_http_delete)
bottle.route('/documentation/<filename:path>',
'GET', self.documentation_http_get)
self._homepage_links.insert(
0, LinkObject('documentation', self._base_url,
'/documentation/index.html',
'documentation'))
# APIs to reserve/free block of IP address from a VN/Subnet
bottle.route('/virtual-network/<id>/ip-alloc',
'POST', self.vn_ip_alloc_http_post)
self._homepage_links.append(
LinkObject('action', self._base_url,
'/virtual-network/%s/ip-alloc',
'virtual-network-ip-alloc'))
bottle.route('/virtual-network/<id>/ip-free',
'POST', self.vn_ip_free_http_post)
self._homepage_links.append(
LinkObject('action', self._base_url,
'/virtual-network/%s/ip-free',
'virtual-network-ip-free'))
# APIs to find out number of ip instances from given VN subnet
bottle.route('/virtual-network/<id>/subnet-ip-count',
'POST', self.vn_subnet_ip_count_http_post)
self._homepage_links.append(
LinkObject('action', self._base_url,
'/virtual-network/%s/subnet-ip-count',
'virtual-network-subnet-ip-count'))
# Enable/Disable multi tenancy
bottle.route('/multi-tenancy', 'GET', self.mt_http_get)
bottle.route('/multi-tenancy', 'PUT', self.mt_http_put)
# Initialize discovery client
self._disc = None
if self._args.disc_server_ip and self._args.disc_server_port:
self._disc = client.DiscoveryClient(self._args.disc_server_ip,
self._args.disc_server_port,
ModuleNames[Module.API_SERVER])
# sandesh init
self._sandesh = Sandesh()
module = Module.API_SERVER
module_name = ModuleNames[Module.API_SERVER]
node_type = Module2NodeType[module]
node_type_name = NodeTypeNames[node_type]
if self._args.worker_id:
instance_id = self._args.worker_id
else:
instance_id = INSTANCE_ID_DEFAULT
hostname = socket.gethostname()
self._sandesh.init_generator(module_name, hostname,
node_type_name, instance_id,
self._args.collectors,
'vnc_api_server_context',
int(self._args.http_server_port),
['cfgm_common'], self._disc)
self._sandesh.trace_buffer_create(name="VncCfgTraceBuf", size=1000)
self._sandesh.trace_buffer_create(name="RestApiTraceBuf", size=1000)
self._sandesh.trace_buffer_create(name="DBRequestTraceBuf", size=1000)
self._sandesh.trace_buffer_create(name="MessageBusNotifyTraceBuf",
size=1000)
self._sandesh.trace_buffer_create(name="IfmapTraceBuf", size=1000)
self._sandesh.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(self._sandesh, hostname, module_name,
instance_id,
staticmethod(ConnectionState.get_process_state_cb),
NodeStatusUVE, NodeStatus)
# Load extensions
self._extension_mgrs = {}
self._load_extensions()
# Address Management interface
addr_mgmt = vnc_addr_mgmt.AddrMgmt(self)
vnc_cfg_types.LogicalRouterServer.addr_mgmt = addr_mgmt
vnc_cfg_types.SecurityGroupServer.addr_mgmt = addr_mgmt
vnc_cfg_types.VirtualMachineInterfaceServer.addr_mgmt = addr_mgmt
vnc_cfg_types.FloatingIpServer.addr_mgmt = addr_mgmt
vnc_cfg_types.InstanceIpServer.addr_mgmt = addr_mgmt
vnc_cfg_types.VirtualNetworkServer.addr_mgmt = addr_mgmt
vnc_cfg_types.InstanceIpServer.manager = self
self._addr_mgmt = addr_mgmt
# Authn/z interface
if self._args.auth == 'keystone':
auth_svc = vnc_auth_keystone.AuthServiceKeystone(self, self._args)
else:
auth_svc = vnc_auth.AuthService(self, self._args)
self._pipe_start_app = auth_svc.get_middleware_app()
if not self._pipe_start_app:
self._pipe_start_app = bottle.app()
# When the multi tenancy is disable, add 'admin' role into the
# header for all requests to see all resources
@self._pipe_start_app.hook('before_request')
@bottle.hook('before_request')
def set_admin_role(*args, **kwargs):
if bottle.request.app != self._pipe_start_app:
return
bottle.request.environ['HTTP_X_ROLE'] = 'admin'
self._auth_svc = auth_svc
# API/Permissions check
self._permissions = vnc_perms.VncPermissions(self, self._args)
# DB interface initialization
if self._args.wipe_config:
self._db_connect(True)
else:
self._db_connect(self._args.reset_config)
self._db_init_entries()
# Cpuinfo interface
sysinfo_req = True
config_node_ip = self.get_server_ip()
cpu_info = vnc_cpu_info.CpuInfo(
self._sandesh.module(), self._sandesh.instance_id(), sysinfo_req,
self._sandesh, 60, config_node_ip)
self._cpu_info = cpu_info
# end __init__
def _extensions_transform_request(self, request):
if not self._extension_mgrs['resourceApi'].names():
return None
return self._extension_mgrs['resourceApi'].map_method(
'transform_request', request)
# end _extensions_transform_request
def _extensions_validate_request(self, request):
if not self._extension_mgrs['resourceApi'].names():
return None
return self._extension_mgrs['resourceApi'].map_method(
'validate_request', request)
# end _extensions_validate_request
def _extensions_transform_response(self, request, response):
if not self._extension_mgrs['resourceApi'].names():
return None
return self._extension_mgrs['resourceApi'].map_method(
'transform_response', request, response)
# end _extensions_transform_response
@ignore_exceptions
def _generate_rest_api_request_trace(self):
method = bottle.request.method.upper()
if method == 'GET':
return None
req_id = bottle.request.headers.get('X-Request-Id',
'req-%s' %(str(uuid.uuid4())))
gevent.getcurrent().trace_request_id = req_id
url = bottle.request.url
if method == 'DELETE':
req_data = ''
else:
try:
req_data = json.dumps(bottle.request.json)
except Exception as e:
req_data = '%s: Invalid request body' %(e)
rest_trace = RestApiTrace(request_id=req_id)
rest_trace.url = url
rest_trace.method = method
rest_trace.request_data = req_data
return rest_trace
# end _generate_rest_api_request_trace
@ignore_exceptions
def _generate_rest_api_response_trace(self, rest_trace, response):
if not rest_trace:
return
rest_trace.status = bottle.response.status
rest_trace.response_body = json.dumps(response)
rest_trace.trace_msg(name='RestApiTraceBuf', sandesh=self._sandesh)
# end _generate_rest_api_response_trace
# Public Methods
def route(self, uri, method, handler):
def handler_trap_exception(*args, **kwargs):
trace = None
try:
self._extensions_transform_request(bottle.request)
self._extensions_validate_request(bottle.request)
trace = self._generate_rest_api_request_trace()
response = handler(*args, **kwargs)
self._generate_rest_api_response_trace(trace, response)
self._extensions_transform_response(bottle.request, response)
return response
except Exception as e:
if trace:
trace.trace_msg(name='RestApiTraceBuf',
sandesh=self._sandesh)
# don't log details of bottle.abort i.e handled error cases
if not isinstance(e, bottle.HTTPError):
string_buf = StringIO()
cgitb.Hook(
file=string_buf,
format="text",
).handle(sys.exc_info())
err_msg = mask_password(string_buf.getvalue())
self.config_log(err_msg, level=SandeshLevel.SYS_ERR)
raise
bottle.route(uri, method, handler_trap_exception)
# end route
def get_args(self):
return self._args
# end get_args
def get_server_ip(self):
ip_list = []
for i in netifaces.interfaces():
try:
if netifaces.AF_INET in netifaces.ifaddresses(i):
addr = netifaces.ifaddresses(i)[netifaces.AF_INET][0][
'addr']
if addr != '127.0.0.1' and addr not in ip_list:
ip_list.append(addr)
except ValueError, e:
self.config_log("Skipping interface %s" % i,
level=SandeshLevel.SYS_DEBUG)
return ip_list
# end get_server_ip
def get_listen_ip(self):
return self._args.listen_ip_addr
# end get_listen_ip
def get_server_port(self):
return self._args.listen_port
# end get_server_port
def get_pipe_start_app(self):
return self._pipe_start_app
# end get_pipe_start_app
# Check for the system created VN. Disallow such VN delete
def virtual_network_http_delete(self, id):
db_conn = self._db_conn
# if obj doesn't exist return early
try:
obj_type = db_conn.uuid_to_obj_type(id)
if obj_type != 'virtual_network':
bottle.abort(404, 'No virtual-network object found for id %s' %(id))
vn_name = db_conn.uuid_to_fq_name(id)
except NoIdError:
bottle.abort(404, 'ID %s does not exist' %(id))
if vn_name == cfgm_common.IP_FABRIC_VN_FQ_NAME or \
vn_name == cfgm_common.LINK_LOCAL_VN_FQ_NAME:
bottle.abort(409, 'Can not delete system created default virtual-network %s' %(id))
super(VncApiServer, self).virtual_network_http_delete(id)
# end
def homepage_http_get(self):
json_body = {}
json_links = []
# strip trailing '/' in url
url = bottle.request.url[:-1]
for link in self._homepage_links:
# strip trailing '/' in url
json_links.append(
{'link': link.to_dict(with_url=url)}
)
json_body = \
{"href": 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/python-vnc_cfg_api_server/build/html')
# end documentation_http_get
def ref_update_http_post(self):
self._post_common(bottle.request, None, None)
obj_type = bottle.request.json['type']
obj_uuid = bottle.request.json['uuid']
ref_type = bottle.request.json['ref-type'].replace('-', '_')
operation = bottle.request.json['operation']
ref_uuid = bottle.request.json.get('ref-uuid')
ref_fq_name = bottle.request.json.get('ref-fq-name')
attr = bottle.request.json.get('attr')
if not ref_uuid and not ref_fq_name:
bottle.abort(404, 'Either ref-uuid or ref-fq-name must be specified')
if not ref_uuid:
try:
ref_uuid = self._db_conn.fq_name_to_uuid(ref_type, ref_fq_name)
except NoIdError:
bottle.abort(404, 'Name ' + pformat(ref_fq_name) + ' not found')
# type-specific hook
r_class = self._resource_classes.get(obj_type)
if r_class:
try:
fq_name = self._db_conn.uuid_to_fq_name(obj_uuid)
except NoIdError:
bottle.abort(404, 'UUID ' + obj_uuid + ' not found')
(read_ok, read_result) = self._db_conn.dbe_read(obj_type, request.json)
if not read_ok:
self.config_object_error(obj_uuid, None, obj_type, 'ref_update', read_result)
bottle.abort(404, read_result)
obj_dict = read_result
if operation == 'ADD':
if ref_type+'_refs' not in obj_dict:
obj_dict[ref_type+'_refs'] = []
obj_dict[ref_type+'_refs'].append({'to':ref_fq_name, 'uuid': ref_uuid, 'attr':attr})
elif operation == 'DELETE':
for old_ref in obj_dict.get(ref_type+'_refs', []):
if old_ref['to'] == ref_fq_name or old_ref['uuid'] == ref_uuid:
obj_dict[ref_type+'_refs'].remove(old_ref)
break
else:
msg = 'Unknown operation ' + operation
self.config_object_error(obj_uuid, None, obj_type, 'ref_update', msg)
bottle.abort(409, msg)
(ok, put_result) = r_class.http_put(obj_uuid, fq_name, obj_dict, self._db_conn)
if not ok:
(code, msg) = put_result
self.config_object_error(obj_uuid, None, obj_type, 'ref_update', msg)
bottle.abort(code, msg)
obj_type = obj_type.replace('-', '_')
try:
id = self._db_conn.ref_update(obj_type, obj_uuid, ref_type, ref_uuid, {'attr': attr}, operation)
except NoIdError:
bottle.abort(404, 'uuid ' + obj_uuid + ' not found')
apiConfig = VncApiCommon()
apiConfig.object_type = obj_type.replace('-', '_')
fq_name = self._db_conn.uuid_to_fq_name(obj_uuid)
apiConfig.identifier_name=':'.join(fq_name)
apiConfig.identifier_uuid = obj_uuid
apiConfig.operation = 'ref-update'
apiConfig.body = str(request.json)
self._set_api_audit_info(apiConfig)
log = VncApiConfigLog(api_log=apiConfig, sandesh=self._sandesh)
log.send(sandesh=self._sandesh)
return {'uuid': id}
# end ref_update_id_http_post
def fq_name_to_id_http_post(self):
self._post_common(bottle.request, None, None)
obj_type = bottle.request.json['type'].replace('-', '_')
fq_name = bottle.request.json['fq_name']
try:
id = self._db_conn.fq_name_to_uuid(obj_type, fq_name)
except NoIdError:
bottle.abort(404, 'Name ' + pformat(fq_name) + ' not found')
return {'uuid': id}
# end fq_name_to_id_http_post
def id_to_fq_name_http_post(self):
self._post_common(bottle.request, None, None)
try:
obj_uuid = bottle.request.json['uuid']
fq_name = self._db_conn.uuid_to_fq_name(obj_uuid)
except NoIdError:
bottle.abort(404, 'UUID ' + obj_uuid + ' not found')
obj_type = self._db_conn.uuid_to_obj_type(obj_uuid)
return {'fq_name': fq_name, 'type': obj_type}
# end id_to_fq_name_http_post
def ifmap_to_id_http_post(self):
self._post_common(bottle.request, None, None)
uuid = self._db_conn.ifmap_id_to_uuid(bottle.request.json['ifmap_id'])
return {'uuid': uuid}
# end ifmap_to_id_http_post
# Enables a user-agent to store and retrieve key-val pair
# TODO this should be done only for special/quantum plugin
def useragent_kv_http_post(self):
self._post_common(bottle.request, None, None)
oper = bottle.request.json['operation']
key = bottle.request.json['key']
val = bottle.request.json.get('value', '')
# TODO move values to common
if oper == 'STORE':
self._db_conn.useragent_kv_store(key, val)
elif oper == 'RETRIEVE':
try:
result = self._db_conn.useragent_kv_retrieve(key)
return {'value': result}
except NoUserAgentKey:
bottle.abort(404, "Unknown User-Agent key " + key)
elif oper == 'DELETE':
result = self._db_conn.useragent_kv_delete(key)
else:
bottle.abort(404, "Invalid Operation " + oper)
# end useragent_kv_http_post
def db_check(self):
""" Check database for inconsistencies. No update to database """
check_result = self._db_conn.db_check()
return {'results': check_result}
# end db_check
def fetch_records(self):
""" Retrieve and return all records """
result = self._db_conn.db_read()
return {'results': result}
# end fetch_records
def start_profile(self):
#GreenletProfiler.start()
pass
# end start_profile
def stop_profile(self):
pass
#GreenletProfiler.stop()
#stats = GreenletProfiler.get_func_stats()
#self._profile_info = stats.print_all()
#return self._profile_info
# end stop_profile
def get_profile_info(self):
return self._profile_info
# end get_profile_info
def get_resource_class(self, resource_type):
if resource_type in self._resource_classes:
return self._resource_classes[resource_type]
return None
# end get_resource_class
# Private Methods
def _parse_args(self, args_str):
'''
Eg. python vnc_cfg_api_server.py --ifmap_server_ip 192.168.1.17
--ifmap_server_port 8443
--ifmap_username test
--ifmap_password test
--cassandra_server_list\
10.1.2.3:9160 10.1.2.4:9160
--redis_server_ip 127.0.0.1
--redis_server_port 6382
--collectors 127.0.0.1:8086
--http_server_port 8090
--listen_ip_addr 127.0.0.1
--listen_port 8082
--admin_port 8095
--log_local
--log_level SYS_DEBUG
--logging_level DEBUG
--logging_conf <logger-conf-file>
--log_category test
--log_file <stdout>
--trace_file /var/log/contrail/vnc_openstack.err
--use_syslog
--syslog_facility LOG_USER
--disc_server_ip 127.0.0.1
--disc_server_port 5998
--worker_id 1
--rabbit_max_pending_updates 4096
--cluster_id <testbed-name>
[--auth keystone]
[--ifmap_server_loc
/home/contrail/source/ifmap-server/]
[--default_encoding ascii ]
'''
self._args, _ = utils.parse_args(args_str)
# end _parse_args
# sigchld handler is currently not engaged. See comment @sigchld
def sigchld_handler(self):
# DB interface initialization
self._db_connect(reset_config=False)
self._db_init_entries()
# end sigchld_handler
def sigterm_handler(self):
self.cleanup()
exit()
def _load_extensions(self):
try:
conf_sections = self._args.config_sections
self._extension_mgrs['resync'] = ExtensionManager(
'vnc_cfg_api.resync', api_server_ip=self._args.listen_ip_addr,
api_server_port=self._args.listen_port,
conf_sections=conf_sections, sandesh=self._sandesh)
self._extension_mgrs['resourceApi'] = ExtensionManager(
'vnc_cfg_api.resourceApi',
propagate_map_exceptions=True,
api_server_ip=self._args.listen_ip_addr,
api_server_port=self._args.listen_port,
conf_sections=conf_sections, sandesh=self._sandesh)
self._extension_mgrs['neutronApi'] = ExtensionManager(
'vnc_cfg_api.neutronApi',
api_server_ip=self._args.listen_ip_addr,
api_server_port=self._args.listen_port,
conf_sections=conf_sections, sandesh=self._sandesh)
except Exception as e:
self.config_log("Exception in extension load: %s" %(str(e)),
level=SandeshLevel.SYS_ERR)
# end _load_extensions
def _db_connect(self, reset_config):
ifmap_ip = self._args.ifmap_server_ip
ifmap_port = self._args.ifmap_server_port
user = self._args.ifmap_username
passwd = self._args.ifmap_password
cass_server_list = self._args.cassandra_server_list
redis_server_ip = self._args.redis_server_ip
redis_server_port = self._args.redis_server_port
ifmap_loc = self._args.ifmap_server_loc
zk_server = self._args.zk_server_ip
rabbit_server = self._args.rabbit_server
rabbit_port = self._args.rabbit_port
rabbit_user = self._args.rabbit_user
rabbit_password = self._args.rabbit_password
rabbit_vhost = self._args.rabbit_vhost
db_conn = VncDbClient(self, ifmap_ip, ifmap_port, user, passwd,
cass_server_list, rabbit_server, rabbit_port,
rabbit_user, rabbit_password, rabbit_vhost,
reset_config, ifmap_loc, zk_server, self._args.cluster_id)
self._db_conn = db_conn
# end _db_connect
def _ensure_id_perms_present(self, obj_type, obj_uuid, obj_dict):
"""
Called at resource creation to ensure that id_perms is present in obj
"""
# retrieve object and permissions
id_perms = self._get_default_id_perms(obj_type)
if (('id_perms' not in obj_dict) or
(obj_dict['id_perms'] is None)):
# Resource creation
if obj_uuid is None:
obj_dict['id_perms'] = id_perms
return
# Resource already exist
try:
obj_dict['id_perms'] = self._db_conn.uuid_to_obj_perms(obj_uuid)
except NoIdError:
obj_dict['id_perms'] = id_perms
return
# retrieve the previous version of the id_perms
# from the database and update the id_perms with
# them.
if obj_uuid is not None:
try:
old_id_perms = self._db_conn.uuid_to_obj_perms(obj_uuid)
for field, value in old_id_perms.items():
if value is not None:
id_perms[field] = value
except NoIdError:
pass
# not all fields can be updated
if obj_uuid:
field_list = ['enable', 'description']
else:
field_list = ['enable', 'description', 'user_visible', 'creator']
# Start from default and update from obj_dict
req_id_perms = obj_dict['id_perms']
for key in field_list:
if key in req_id_perms:
id_perms[key] = req_id_perms[key]
# TODO handle perms present in req_id_perms
obj_dict['id_perms'] = id_perms
# end _ensure_id_perms_present
def _get_default_id_perms(self, obj_type):
id_perms = copy.deepcopy(Provision.defaults.perms[obj_type])
id_perms_json = json.dumps(id_perms, default=lambda o: dict((k, v)
for k, v in o.__dict__.iteritems()))
id_perms_dict = json.loads(id_perms_json)
return id_perms_dict
# end _get_default_id_perms
def _db_init_entries(self):
# create singleton defaults if they don't exist already in db
glb_sys_cfg = self._create_singleton_entry(
GlobalSystemConfig(autonomous_system=64512,
config_version=CONFIG_VERSION))
def_domain = self._create_singleton_entry(Domain())
ip_fab_vn = self._create_singleton_entry(
VirtualNetwork(cfgm_common.IP_FABRIC_VN_FQ_NAME[-1]))
self._create_singleton_entry(RoutingInstance('__default__', ip_fab_vn))
link_local_vn = self._create_singleton_entry(
VirtualNetwork(cfgm_common.LINK_LOCAL_VN_FQ_NAME[-1]))
self._create_singleton_entry(
RoutingInstance('__link_local__', link_local_vn))
self._db_conn.db_resync()
try:
self._extension_mgrs['resync'].map(self._resync_domains_projects)
except Exception as e:
pass
# end _db_init_entries
def _resync_domains_projects(self, ext):
ext.obj.resync_domains_projects()
# end _resync_domains_projects
def _create_singleton_entry(self, singleton_obj):
s_obj = singleton_obj
obj_type = s_obj.get_type()
method_name = obj_type.replace('-', '_')
fq_name = s_obj.get_fq_name()
# TODO remove backward compat create mapping in zk
# for singleton START
try:
cass_uuid = self._db_conn._cassandra_db.fq_name_to_uuid(obj_type, fq_name)
try:
zk_uuid = self._db_conn.fq_name_to_uuid(obj_type, fq_name)
except NoIdError:
# doesn't exist in zookeeper but does so in cassandra,
# migrate this info to zookeeper
self._db_conn._zk_db.create_fq_name_to_uuid_mapping(obj_type, fq_name, str(cass_uuid))
except NoIdError:
# doesn't exist in cassandra as well as zookeeper, proceed normal
pass
# TODO backward compat END
# create if it doesn't exist yet
try:
id = self._db_conn.fq_name_to_uuid(obj_type, fq_name)
except NoIdError:
obj_dict = s_obj.serialize_to_json()
obj_dict['id_perms'] = self._get_default_id_perms(obj_type)
(ok, result) = self._db_conn.dbe_alloc(obj_type, obj_dict)
obj_ids = result
self._db_conn.dbe_create(obj_type, obj_ids, obj_dict)
method = '_%s_create_default_children' % (method_name)
def_children_method = getattr(self, method)
def_children_method(s_obj)
return s_obj
# end _create_singleton_entry
def get_db_connection(self):
return self._db_conn
# end get_db_connection
def generate_url(self, obj_type, obj_uuid):