common/python/rift/mano/ro_account/operdata.py

   1
   2 #
   3 #   Copyright 2017 RIFT.IO Inc
   4 #
   5 #   Licensed under the Apache License, Version 2.0 (the "License");
   6 #   you may not use this file except in compliance with the License.
   7 #   You may obtain a copy of the License at
   8 #
   9 #       http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #   Unless required by applicable law or agreed to in writing, software
  12 #   distributed under the License is distributed on an "AS IS" BASIS,
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 #   See the License for the specific language governing permissions and
  15 #   limitations under the License.
  16 #
  17
  18 import asyncio
  19 import gi
  20 import rift.mano.dts as mano_dts
  21 import rift.tasklets
  22 from . import accounts
  23
  24 from gi.repository import(
  25         RwRoAccountYang,
  26         RwDts as rwdts,
  27         RwTypes,
  28         )
  29 gi.require_version('RwKeyspec', '1.0')
  30 from gi.repository.RwKeyspec import quoted_key
  31
  32 class ROAccountNotFound(Exception):
  33     pass
  34
  35 class ROAccountDtsOperdataHandler(object):
  36     def __init__(self, dts, log, loop, project):
  37         self._dts = dts
  38         self._log = log
  39         self._loop = loop
  40         self._project = project
  41
  42         self._regh = None
  43         self._rpc = None
  44         self._rsic = None
  45         self._rdcp = None
  46         self.ro_accounts = {}
  47         self._nsr_sub = mano_dts.NsInstanceConfigSubscriber(
  48                                 self._log,
  49                                 self._dts,
  50                                 self._loop,
  51                                 self._project,
  52                                 callback=self.handle_nsr)
  53
  54     def handle_nsr(self, nsr, action):
  55         if action == rwdts.QueryAction.CREATE:
  56             try:
  57                 self.ro_accounts[nsr.resource_orchestrator].live_instances += 1
  58             except KeyError as e:
  59                 self.ro_accounts['rift'].live_instances += 1
  60         elif action == rwdts.QueryAction.DELETE:
  61             try:
  62                 self.ro_accounts[nsr.resource_orchestrator].live_instances -= 1
  63             except KeyError as e:
  64                 self.ro_accounts['rift'].live_instances -= 1
  65
  66     def get_xpath(self):
  67         return "D,/rw-ro-account:ro-account-state/account"
  68
  69     def get_qualified_xpath(self, ro_account_name):
  70         if ro_account_name is None:
  71             raise Exception("Account name cannot be None")
  72
  73         return self._project.add_project("D,/rw-ro-account:ro-account-state/account{}".format(
  74              "[name=%s]" % quoted_key(ro_account_name))
  75         )
  76
  77     def add_rift_ro_account(self):
  78         rift_acc = accounts.ROAccount()
  79         rift_acc._name = 'rift'
  80         rift_acc._status = RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account_ConnectionStatus(
  81                                                         status="success",
  82                                                         details="RO account connection status success"
  83                                                         )
  84         self.ro_accounts[rift_acc.name] = rift_acc
  85         rift_acc_state = RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account(name=rift_acc.name)
  86         self._regh.create_element(self.get_qualified_xpath(rift_acc.name), rift_acc_state)
  87
  88     def add_ro_account(self, account):
  89         self.ro_accounts[account.name] = account
  90         account.start_validate_ro_account(self._loop)
  91
  92     def delete_ro_account(self, account_name):
  93         account = self.ro_accounts[account_name]
  94         del self.ro_accounts[account_name]
  95
  96     def get_saved_ro_accounts(self, ro_account_name):
  97         ''' Get RO Account corresponding to passed name, or all saved accounts if name is None'''
  98         saved_ro_accounts = []
  99
 100         if ro_account_name is None or ro_account_name == "":
 101             ro_accounts = list(self.ro_accounts.values())
 102             saved_ro_accounts.extend(ro_accounts)
 103         elif ro_account_name in self.ro_accounts:
 104             account = self.ro_accounts[ro_account_name]
 105             saved_ro_accounts.append(account)
 106         else:
 107             errstr = "RO account {} does not exist".format(ro_account_name)
 108             raise KeyError(errstr)
 109
 110         return saved_ro_accounts
 111
 112     @asyncio.coroutine
 113     def _register_show_status(self):
 114         def get_xpath(ro_account_name):
 115             return "D,/rw-ro-account:ro-account-state/account{}/connection-status".format(
 116                  "[name=%s]" % quoted_key(ro_account_name)
 117             )
 118
 119         @asyncio.coroutine
 120         def on_prepare(xact_info, action, ks_path, msg):
 121             path_entry = RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account.schema().keyspec_to_entry(ks_path)
 122             ro_account_name = path_entry.key00.name
 123
 124             try:
 125                 saved_accounts = self.get_saved_ro_accounts(ro_account_name)
 126                 for account in saved_accounts:
 127                     connection_status = account._status
 128
 129                     xpath = self._project.add_project(get_xpath(account.name))
 130                     xact_info.respond_xpath(
 131                             rwdts.XactRspCode.MORE,
 132                             xpath=xpath,
 133                             msg=account._status,
 134                             )
 135             except Exception as e:
 136                 self._log.warning(str(e))
 137                 xact_info.respond_xpath(rwdts.XactRspCode.NA)
 138                 return
 139
 140             xact_info.respond_xpath(rwdts.XactRspCode.ACK)
 141
 142         xpath = self._project.add_project(self.get_xpath())
 143         self._regh = yield from self._dts.register(
 144                 xpath=xpath,
 145                 handler=rift.tasklets.DTS.RegistrationHandler(
 146                     on_prepare=on_prepare),
 147                 flags=rwdts.Flag.PUBLISHER,
 148                 )
 149
 150         #ATTN: TODO: Should ideally wait for
 151         #on_ready callback to be called.
 152         self.add_rift_ro_account()
 153
 154     @asyncio.coroutine
 155     def _register_show_instance_count(self):
 156         def get_xpath(ro_account_name=None):
 157             return "D,/rw-ro-account:ro-account-state/account{}/instance-ref-count".format(
 158                  "[name=%s]" % quoted_key(ro_account_name) if ro_account_name is not None else ''
 159             )
 160
 161         @asyncio.coroutine
 162         def on_prepare(xact_info, action, ks_path, msg):
 163             path_entry = RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account.schema().keyspec_to_entry(ks_path)
 164             ro_account_name = path_entry.key00.name
 165
 166             try:
 167                 saved_accounts = self.get_saved_ro_accounts(ro_account_name)
 168                 for account in saved_accounts:
 169                     instance_count = account.live_instances
 170                     xpath = self._project.add_project(get_xpath(account.name))
 171                     xact_info.respond_xpath(
 172                             rwdts.XactRspCode.MORE,
 173                             xpath=xpath,
 174                             msg=RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account_InstanceRefCount(count=instance_count)
 175                             )
 176             except KeyError as e:
 177                 self._log.warning(str(e))
 178                 xact_info.respond_xpath(rwdts.XactRspCode.NA)
 179                 return
 180
 181             xact_info.respond_xpath(rwdts.XactRspCode.ACK)
 182
 183         xpath = self._project.add_project(get_xpath())
 184         self._rsic = yield from self._dts.register(
 185                 xpath=xpath,
 186                 handler=rift.tasklets.DTS.RegistrationHandler(
 187                     on_prepare=on_prepare),
 188                 flags=rwdts.Flag.PUBLISHER,
 189                 )
 190
 191     @asyncio.coroutine
 192     def _register_validate_rpc(self):
 193         def get_xpath():
 194             return "/rw-ro-account:update-ro-account-status"
 195
 196         @asyncio.coroutine
 197         def on_prepare(xact_info, action, ks_path, msg):
 198             if not msg.has_field("ro_account"):
 199                 raise ROAccountNotFound("RO account name not provided")
 200             ro_account_name = msg.ro_account
 201
 202             if not self._project.rpc_check(msg, xact_info=xact_info):
 203                 return
 204
 205             try:
 206                 account = self.ro_accounts[ro_account_name]
 207             except KeyError:
 208                 errmsg = "RO account name {} not found in project {}". \
 209                          format(ro_account_name, self._project.name)
 210                 xact_info.send_error_xpath(RwTypes.RwStatus.FAILURE,
 211                                            get_xpath(),
 212                                            errmsg)
 213                 raise ROAccountNotFound(errmsg)
 214
 215             if ro_account_name != 'rift':
 216                 account.start_validate_ro_account(self._loop)
 217
 218             xact_info.respond_xpath(rwdts.XactRspCode.ACK)
 219
 220         self._rpc = yield from self._dts.register(
 221                 xpath=get_xpath(),
 222                 handler=rift.tasklets.DTS.RegistrationHandler(
 223                     on_prepare=on_prepare
 224                     ),
 225                 flags=rwdts.Flag.PUBLISHER,
 226                 )
 227
 228     @asyncio.coroutine
 229     def _register_data_center_publisher(self):
 230         def get_xpath(ro_account_name=None):
 231             return "D,/rw-ro-account:ro-account-state/account{}/datacenters".format(
 232                  "[name=%s]" % quoted_key(ro_account_name) if ro_account_name is not None else ''
 233             )
 234
 235         @asyncio.coroutine
 236         def on_prepare(xact_info, action, ks_path, msg):
 237             path_entry = RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account.schema().keyspec_to_entry(ks_path)
 238             ro_account_name = path_entry.key00.name
 239
 240             try:
 241                 saved_accounts = self.get_saved_ro_accounts(ro_account_name)
 242                 for account in saved_accounts:
 243                     datacenters = []
 244                     if account.name == 'rift':
 245                         datacenters = [{'name': cloud.name, 'datacenter_type': cloud.account_type}
 246                                                     for cloud in self._project.cloud_accounts]
 247                     else :
 248                         datacenters = account._datacenters
 249
 250                     response = RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account_Datacenters()
 251                     response.from_dict({'datacenters': datacenters})
 252                     xpath = self._project.add_project(get_xpath(account.name))
 253                     xact_info.respond_xpath(
 254                             rwdts.XactRspCode.MORE,
 255                             xpath=xpath,
 256                             msg=response
 257                             )
 258             except KeyError as e:
 259                 self._log.warning(str(e))
 260                 xact_info.respond_xpath(rwdts.XactRspCode.NA)
 261                 return
 262
 263             xact_info.respond_xpath(rwdts.XactRspCode.ACK)
 264
 265         xpath = self._project.add_project(get_xpath())
 266         self._rdcp = yield from self._dts.register(
 267                 xpath=xpath,
 268                 handler=rift.tasklets.DTS.RegistrationHandler(
 269                     on_prepare=on_prepare),
 270                 flags=rwdts.Flag.PUBLISHER,
 271                 )
 272
 273     @asyncio.coroutine
 274     def _register_config_data_publisher(self):
 275         def get_xpath(ro_account_name=None):
 276             return "D,/rw-ro-account:ro-account-state/account{}/config-data".format(
 277                  "[name=%s]" % quoted_key(ro_account_name) if ro_account_name is not None else ''
 278             )
 279
 280         @asyncio.coroutine
 281         def on_prepare(xact_info, action, ks_path, msg):
 282             path_entry = RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account.schema().keyspec_to_entry(ks_path)
 283             ro_account_name = path_entry.key00.name
 284
 285             try:
 286                 saved_accounts = self.get_saved_ro_accounts(ro_account_name)
 287                 for account in saved_accounts:
 288                     ro_acct_type = account.ro_acccount_type
 289
 290                     response = RwRoAccountYang.YangData_RwProject_Project_RoAccountState_Account_ConfigData(ro_account_type=ro_acct_type)
 291                     xpath = self._project.add_project(get_xpath(account.name))
 292                     xact_info.respond_xpath(
 293                             rwdts.XactRspCode.MORE,
 294                             xpath=xpath,
 295                             msg=response
 296                             )
 297             except KeyError as e:
 298                 self._log.warning(str(e))
 299                 xact_info.respond_xpath(rwdts.XactRspCode.NA)
 300                 return
 301
 302             xact_info.respond_xpath(rwdts.XactRspCode.ACK)
 303
 304         xpath = self._project.add_project(get_xpath())
 305         self._rcdp = yield from self._dts.register(
 306                 xpath=xpath,
 307                 handler=rift.tasklets.DTS.RegistrationHandler(
 308                     on_prepare=on_prepare),
 309                 flags=rwdts.Flag.PUBLISHER,
 310                 )
 311
 312     @asyncio.coroutine
 313     def register(self):
 314         self._log.debug("Register RO account for project %s", self._project.name)
 315         yield from self._register_show_status()
 316         yield from self._register_validate_rpc()
 317         yield from self._register_show_instance_count()
 318         yield from self._register_data_center_publisher()
 319         yield from self._register_config_data_publisher()
 320         yield from self._nsr_sub.register()
 321
 322     def deregister(self):
 323         self._log.debug("De-register RO account for project %s", self._project.name)
 324         self._rpc.deregister()
 325         self._regh.deregister()
 326         self._rsic.deregister()
 327         self._rdcp.deregister()
 328         self._rcdp.deregister()
 329         self._nsr_sub.deregister()