#!/usr/bin/python3
# -*- coding: utf-8 -*-
+##
+# Copyright 2018 Telefonica S.A.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
import asyncio
import yaml
import logging
import ROclient
import ns
import vim_sdn
-from lcm_utils import versiontuple, LcmException, TaskRegistry
+import netslice
+from time import time, sleep
+from lcm_utils import versiontuple, LcmException, TaskRegistry, LcmExceptionExit
# from osm_lcm import version as lcm_version, version_date as lcm_version_date, ROclient
from osm_common import dbmemory, dbmongo, fslocal, msglocal, msgkafka
__author__ = "Alfonso Tierno"
-min_RO_version = [0, 5, 72]
+min_RO_version = [0, 6, 3]
min_n2vc_version = "0.0.2"
min_common_version = "0.1.11"
# uncomment if LCM is installed as library and installed, and get them from __init__.py
-lcm_version = '0.1.22'
-lcm_version_date = '2018-10-31'
+lcm_version = '0.1.35'
+lcm_version_date = '2019-01-31'
+health_check_file = path.expanduser("~") + "/time_last_ping" # TODO find better location for this file
class Lcm:
ping_interval_pace = 120 # how many time ping is send once is confirmed all is running
- ping_interval_boot = 5 # how mnay time ping is sent when booting
+ ping_interval_boot = 5 # how many time ping is sent when booting
def __init__(self, config_file, loop=None):
"""
self.msg = None
self.fs = None
self.pings_not_received = 1
+ self.consecutive_errors = 0
+ self.first_start = False
# contains created tasks/futures to be able to cancel
self.lcm_tasks = TaskRegistry()
raise LcmException("Invalid configuration param '{}' at '[storage]':'driver'".format(
config["storage"]["driver"]))
- if config["message"]["driver"] == "local":
+ config_message = config["message"].copy()
+ config_message["loop"] = self.loop
+ if config_message["driver"] == "local":
self.msg = msglocal.MsgLocal()
- self.msg.connect(config["message"])
- elif config["message"]["driver"] == "kafka":
+ self.msg.connect(config_message)
+ elif config_message["driver"] == "kafka":
self.msg = msgkafka.MsgKafka()
- self.msg.connect(config["message"])
+ self.msg.connect(config_message)
else:
raise LcmException("Invalid configuration param '{}' at '[message]':'driver'".format(
- config["storage"]["driver"]))
+ config["message"]["driver"]))
except (DbException, FsException, MsgException) as e:
self.logger.critical(str(e), exc_info=True)
raise LcmException(str(e))
self.ns = ns.NsLcm(self.db, self.msg, self.fs, self.lcm_tasks, self.ro_config, self.vca_config, self.loop)
+ self.netslice = netslice.NetsliceLcm(self.db, self.msg, self.fs, self.lcm_tasks, self.ro_config,
+ self.vca_config, self.loop)
self.vim = vim_sdn.VimLcm(self.db, self.msg, self.fs, self.lcm_tasks, self.ro_config, self.loop)
+ self.wim = vim_sdn.WimLcm(self.db, self.msg, self.fs, self.lcm_tasks, self.ro_config, self.loop)
self.sdn = vim_sdn.SdnLcm(self.db, self.msg, self.fs, self.lcm_tasks, self.ro_config, self.loop)
async def check_RO_version(self):
wait_time = 1 if not first_start else 5
await asyncio.sleep(wait_time, loop=self.loop)
+ def kafka_read_callback(self, topic, command, params):
+ order_id = 1
+
+ if topic != "admin" and command != "ping":
+ self.logger.debug("Task kafka_read receives {} {}: {}".format(topic, command, params))
+ self.consecutive_errors = 0
+ self.first_start = False
+ order_id += 1
+ if command == "exit":
+ raise LcmExceptionExit
+ elif command.startswith("#"):
+ return
+ elif command == "echo":
+ # just for test
+ print(params)
+ sys.stdout.flush()
+ return
+ elif command == "test":
+ asyncio.Task(self.test(params), loop=self.loop)
+ return
+
+ if topic == "admin":
+ if command == "ping" and params["to"] == "lcm" and params["from"] == "lcm":
+ self.pings_not_received = 0
+ try:
+ with open(health_check_file, "w") as f:
+ f.write(str(time()))
+ except Exception as e:
+ self.logger.error("Cannot write into '{}' for healthcheck: {}".format(health_check_file, e))
+ return
+ elif topic == "ns":
+ if command == "instantiate":
+ # self.logger.debug("Deploying NS {}".format(nsr_id))
+ nslcmop = params
+ nslcmop_id = nslcmop["_id"]
+ nsr_id = nslcmop["nsInstanceId"]
+ task = asyncio.ensure_future(self.ns.instantiate(nsr_id, nslcmop_id))
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_instantiate", task)
+ return
+ elif command == "terminate":
+ # self.logger.debug("Deleting NS {}".format(nsr_id))
+ nslcmop = params
+ nslcmop_id = nslcmop["_id"]
+ nsr_id = nslcmop["nsInstanceId"]
+ self.lcm_tasks.cancel(topic, nsr_id)
+ task = asyncio.ensure_future(self.ns.terminate(nsr_id, nslcmop_id))
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_terminate", task)
+ return
+ elif command == "action":
+ # self.logger.debug("Update NS {}".format(nsr_id))
+ nslcmop = params
+ nslcmop_id = nslcmop["_id"]
+ nsr_id = nslcmop["nsInstanceId"]
+ task = asyncio.ensure_future(self.ns.action(nsr_id, nslcmop_id))
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_action", task)
+ return
+ elif command == "scale":
+ # self.logger.debug("Update NS {}".format(nsr_id))
+ nslcmop = params
+ nslcmop_id = nslcmop["_id"]
+ nsr_id = nslcmop["nsInstanceId"]
+ task = asyncio.ensure_future(self.ns.scale(nsr_id, nslcmop_id))
+ self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_scale", task)
+ return
+ elif command == "show":
+ nsr_id = params
+ try:
+ db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+ print("nsr:\n _id={}\n operational-status: {}\n config-status: {}"
+ "\n detailed-status: {}\n deploy: {}\n tasks: {}"
+ "".format(nsr_id, db_nsr["operational-status"], db_nsr["config-status"],
+ db_nsr["detailed-status"],
+ db_nsr["_admin"]["deployed"], self.lcm_ns_tasks.get(nsr_id)))
+ except Exception as e:
+ print("nsr {} not found: {}".format(nsr_id, e))
+ sys.stdout.flush()
+ return
+ elif command == "deleted":
+ return # TODO cleaning of task just in case should be done
+ elif command in ("terminated", "instantiated", "scaled", "actioned"): # "scaled-cooldown-time"
+ return
+ elif topic == "nsi": # netslice LCM processes (instantiate, terminate, etc)
+ if command == "instantiate":
+ # self.logger.debug("Instantiating Network Slice {}".format(nsilcmop["netsliceInstanceId"]))
+ nsilcmop = params
+ nsilcmop_id = nsilcmop["_id"] # slice operation id
+ nsir_id = nsilcmop["netsliceInstanceId"] # slice record id
+ task = asyncio.ensure_future(self.netslice.instantiate(nsir_id, nsilcmop_id))
+ self.lcm_tasks.register("nsi", nsir_id, nsilcmop_id, "nsi_instantiate", task)
+ return
+ elif command == "terminate":
+ # self.logger.debug("Terminating Network Slice NS {}".format(nsilcmop["netsliceInstanceId"]))
+ nsilcmop = params
+ nsilcmop_id = nsilcmop["_id"] # slice operation id
+ nsir_id = nsilcmop["netsliceInstanceId"] # slice record id
+ self.lcm_tasks.cancel(topic, nsir_id)
+ task = asyncio.ensure_future(self.netslice.terminate(nsir_id, nsilcmop_id))
+ self.lcm_tasks.register("nsi", nsir_id, nsilcmop_id, "nsi_terminate", task)
+ return
+ elif command == "show":
+ nsir_id = params
+ try:
+ db_nsir = self.db.get_one("nsirs", {"_id": nsir_id})
+ print("nsir:\n _id={}\n operational-status: {}\n config-status: {}"
+ "\n detailed-status: {}\n deploy: {}\n tasks: {}"
+ "".format(nsir_id, db_nsir["operational-status"], db_nsir["config-status"],
+ db_nsir["detailed-status"],
+ db_nsir["_admin"]["deployed"], self.lcm_netslice_tasks.get(nsir_id)))
+ except Exception as e:
+ print("nsir {} not found: {}".format(nsir_id, e))
+ sys.stdout.flush()
+ return
+ elif command == "deleted":
+ return # TODO cleaning of task just in case should be done
+ elif command in ("terminated", "instantiated", "scaled", "actioned"): # "scaled-cooldown-time"
+ return
+ elif topic == "vim_account":
+ vim_id = params["_id"]
+ if command == "create":
+ task = asyncio.ensure_future(self.vim.create(params, order_id))
+ self.lcm_tasks.register("vim_account", vim_id, order_id, "vim_create", task)
+ return
+ elif command == "delete":
+ self.lcm_tasks.cancel(topic, vim_id)
+ task = asyncio.ensure_future(self.vim.delete(vim_id, order_id))
+ self.lcm_tasks.register("vim_account", vim_id, order_id, "vim_delete", task)
+ return
+ elif command == "show":
+ print("not implemented show with vim_account")
+ sys.stdout.flush()
+ return
+ elif command == "edit":
+ task = asyncio.ensure_future(self.vim.edit(params, order_id))
+ self.lcm_tasks.register("vim_account", vim_id, order_id, "vim_edit", task)
+ return
+ elif topic == "wim_account":
+ wim_id = params["_id"]
+ if command == "create":
+ task = asyncio.ensure_future(self.wim.create(params, order_id))
+ self.lcm_tasks.register("wim_account", wim_id, order_id, "wim_create", task)
+ return
+ elif command == "delete":
+ self.lcm_tasks.cancel(topic, wim_id)
+ task = asyncio.ensure_future(self.wim.delete(wim_id, order_id))
+ self.lcm_tasks.register("wim_account", wim_id, order_id, "wim_delete", task)
+ return
+ elif command == "show":
+ print("not implemented show with wim_account")
+ sys.stdout.flush()
+ return
+ elif command == "edit":
+ task = asyncio.ensure_future(self.wim.edit(params, order_id))
+ self.lcm_tasks.register("wim_account", wim_id, order_id, "wim_edit", task)
+ return
+ elif topic == "sdn":
+ _sdn_id = params["_id"]
+ if command == "create":
+ task = asyncio.ensure_future(self.sdn.create(params, order_id))
+ self.lcm_tasks.register("sdn", _sdn_id, order_id, "sdn_create", task)
+ return
+ elif command == "delete":
+ self.lcm_tasks.cancel(topic, _sdn_id)
+ task = asyncio.ensure_future(self.sdn.delete(_sdn_id, order_id))
+ self.lcm_tasks.register("sdn", _sdn_id, order_id, "sdn_delete", task)
+ return
+ elif command == "edit":
+ task = asyncio.ensure_future(self.sdn.edit(params, order_id))
+ self.lcm_tasks.register("sdn", _sdn_id, order_id, "sdn_edit", task)
+ return
+ self.logger.critical("unknown topic {} and command '{}'".format(topic, command))
+
async def kafka_read(self):
self.logger.debug("Task kafka_read Enter")
- order_id = 1
# future = asyncio.Future()
- consecutive_errors = 0
- first_start = True
- while consecutive_errors < 10:
+ self.consecutive_errors = 0
+ self.first_start = True
+ while self.consecutive_errors < 10:
try:
- topics = ("admin", "ns", "vim_account", "sdn")
- topic, command, params = await self.msg.aioread(topics, self.loop)
- if topic != "admin" and command != "ping":
- self.logger.debug("Task kafka_read receives {} {}: {}".format(topic, command, params))
- consecutive_errors = 0
- first_start = False
- order_id += 1
- if command == "exit":
- print("Bye!")
- break
- elif command.startswith("#"):
- continue
- elif command == "echo":
- # just for test
- print(params)
- sys.stdout.flush()
- continue
- elif command == "test":
- asyncio.Task(self.test(params), loop=self.loop)
- continue
+ topics = ("admin", "ns", "vim_account", "wim_account", "sdn", "nsi")
+ await self.msg.aioread(topics, self.loop, self.kafka_read_callback)
- if topic == "admin":
- if command == "ping" and params["to"] == "lcm" and params["from"] == "lcm":
- self.pings_not_received = 0
- continue
- elif topic == "ns":
- if command == "instantiate":
- # self.logger.debug("Deploying NS {}".format(nsr_id))
- nslcmop = params
- nslcmop_id = nslcmop["_id"]
- nsr_id = nslcmop["nsInstanceId"]
- task = asyncio.ensure_future(self.ns.instantiate(nsr_id, nslcmop_id))
- self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_instantiate", task)
- continue
- elif command == "terminate":
- # self.logger.debug("Deleting NS {}".format(nsr_id))
- nslcmop = params
- nslcmop_id = nslcmop["_id"]
- nsr_id = nslcmop["nsInstanceId"]
- self.lcm_tasks.cancel(topic, nsr_id)
- task = asyncio.ensure_future(self.ns.terminate(nsr_id, nslcmop_id))
- self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_terminate", task)
- continue
- elif command == "action":
- # self.logger.debug("Update NS {}".format(nsr_id))
- nslcmop = params
- nslcmop_id = nslcmop["_id"]
- nsr_id = nslcmop["nsInstanceId"]
- task = asyncio.ensure_future(self.ns.action(nsr_id, nslcmop_id))
- self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_action", task)
- continue
- elif command == "scale":
- # self.logger.debug("Update NS {}".format(nsr_id))
- nslcmop = params
- nslcmop_id = nslcmop["_id"]
- nsr_id = nslcmop["nsInstanceId"]
- task = asyncio.ensure_future(self.ns.scale(nsr_id, nslcmop_id))
- self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_scale", task)
- continue
- elif command == "show":
- try:
- db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
- print("nsr:\n _id={}\n operational-status: {}\n config-status: {}"
- "\n detailed-status: {}\n deploy: {}\n tasks: {}"
- "".format(nsr_id, db_nsr["operational-status"], db_nsr["config-status"],
- db_nsr["detailed-status"],
- db_nsr["_admin"]["deployed"], self.lcm_ns_tasks.get(nsr_id)))
- except Exception as e:
- print("nsr {} not found: {}".format(nsr_id, e))
- sys.stdout.flush()
- continue
- elif command == "deleted":
- continue # TODO cleaning of task just in case should be done
- elif command in ("terminated", "instantiated", "scaled", "actioned"): # "scaled-cooldown-time"
- continue
- elif topic == "vim_account":
- vim_id = params["_id"]
- if command == "create":
- task = asyncio.ensure_future(self.vim.create(params, order_id))
- self.lcm_tasks.register("vim_account", vim_id, order_id, "vim_create", task)
- continue
- elif command == "delete":
- self.lcm_tasks.cancel(topic, vim_id)
- task = asyncio.ensure_future(self.vim.delete(vim_id, order_id))
- self.lcm_tasks.register("vim_account", vim_id, order_id, "vim_delete", task)
- continue
- elif command == "show":
- print("not implemented show with vim_account")
- sys.stdout.flush()
- continue
- elif command == "edit":
- task = asyncio.ensure_future(self.vim.edit(params, order_id))
- self.lcm_tasks.register("vim_account", vim_id, order_id, "vim_edit", task)
- continue
- elif topic == "sdn":
- _sdn_id = params["_id"]
- if command == "create":
- task = asyncio.ensure_future(self.sdn.create(params, order_id))
- self.lcm_tasks.register("sdn", _sdn_id, order_id, "sdn_create", task)
- continue
- elif command == "delete":
- self.lcm_tasks.cancel(topic, _sdn_id)
- task = asyncio.ensure_future(self.sdn.delete(_sdn_id, order_id))
- self.lcm_tasks.register("sdn", _sdn_id, order_id, "sdn_delete", task)
- continue
- elif command == "edit":
- task = asyncio.ensure_future(self.sdn.edit(params, order_id))
- self.lcm_tasks.register("sdn", _sdn_id, order_id, "sdn_edit", task)
- continue
- self.logger.critical("unknown topic {} and command '{}'".format(topic, command))
+ except LcmExceptionExit:
+ self.logger.debug("Bye!")
+ break
except Exception as e:
# if not first_start is the first time after starting. So leave more time and wait
# to allow kafka starts
- if consecutive_errors == 8 if not first_start else 30:
+ if self.consecutive_errors == 8 if not self.first_start else 30:
self.logger.error("Task kafka_read task exit error too many errors. Exception: {}".format(e))
raise
- consecutive_errors += 1
+ self.consecutive_errors += 1
self.logger.error("Task kafka_read retrying after Exception {}".format(e))
- wait_time = 2 if not first_start else 5
+ wait_time = 2 if not self.first_start else 5
await asyncio.sleep(wait_time, loop=self.loop)
# self.logger.debug("Task kafka_read terminating")
self.logger.debug("Task kafka_read exit")
- def health_check(self):
-
- global exit_code
- task = None
- exit_code = 1
-
- def health_check_callback(topic, command, params):
- global exit_code
- print("receiving callback {} {} {}".format(topic, command, params))
- if topic == "admin" and command == "ping" and params["to"] == "lcm" and params["from"] == "lcm":
- # print("received LCM ping")
- exit_code = 0
- task.cancel()
-
- try:
- task = asyncio.ensure_future(self.msg.aioread(("admin",), self.loop, health_check_callback))
- self.loop.run_until_complete(task)
- except Exception:
- pass
- exit(exit_code)
-
def start(self):
# check RO version
# --log-socket-port PORT: send logs using this port (default: 9022)")
+def health_check():
+ retry = 2
+ while retry:
+ retry -= 1
+ try:
+ with open(health_check_file, "r") as f:
+ last_received_ping = f.read()
+
+ if time() - float(last_received_ping) < Lcm.ping_interval_pace + 10:
+ exit(0)
+ except Exception:
+ pass
+ if retry:
+ sleep(6)
+ exit(1)
+
+
if __name__ == '__main__':
try:
# load parameters and configuration
opts, args = getopt.getopt(sys.argv[1:], "hc:", ["config=", "help", "health-check"])
# TODO add "log-socket-host=", "log-socket-port=", "log-file="
config_file = None
- health_check = None
for o, a in opts:
if o in ("-h", "--help"):
usage()
elif o in ("-c", "--config"):
config_file = a
elif o == "--health-check":
- health_check = True
+ health_check()
# elif o == "--log-socket-port":
# log_socket_port = a
# elif o == "--log-socket-host":
print("No configuration file 'lcm.cfg' found neither at local folder nor at /etc/osm/", file=sys.stderr)
exit(1)
lcm = Lcm(config_file)
- if health_check:
- lcm.health_check()
- else:
- lcm.start()
+ lcm.start()
except (LcmException, getopt.GetoptError) as e:
print(str(e), file=sys.stderr)
# usage()