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##
# All Rights Reserved.
#
# 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 logging
import os
from osm_ee.exceptions import VnfException
import osm_ee.util.util_ee as util_ee
import osm_ee.util.util_ansible as util_ansible
class VnfEE:
PLAYBOOK_PATH = "/app/EE/osm_ee/vnf"
def __init__(self, config_params):
self.logger = logging.getLogger('osm_ee.vnf')
self.config_params = config_params
async def config(self, id, params):
self.logger.debug("Execute action config params: {}".format(params))
# Config action is special, params are merged with previous config calls
self.config_params.update(params)
required_params = ["ssh-hostname"]
self._check_required_params(self.config_params, required_params)
yield "OK", "Configured"
async def sleep(self, id, params):
self.logger.debug("Execute action sleep, params: {}".format(params))
for i in range(3):
await asyncio.sleep(5)
self.logger.debug("Temporal result return, params: {}".format(params))
yield "PROCESSING", f"Processing {i} action id {id}"
yield "OK", f"Processed action id {id}"
async def generate_snmp(self, id, params):
self.logger.debug("Executing SNMP exporter configuration generation\nWith params: {}".format(params))
commands = ("cp /app/vnf/generator/generator.yml ./",
"snmp_generator generate --output-path=/etc/snmp_exporter/snmp.yml",
"touch /etc/snmp_exporter/generator.yml")
for command in commands:
return_code, stdout, stderr = await util_ee.local_async_exec(command)
if return_code != 0:
yield "ERROR", "return code {}: {}".format(return_code, stderr.decode())
break
else:
yield "OK", stdout.decode()
async def ansible_playbook(self, id, params):
self.logger.debug("Execute action ansible_playbook, params: {}".format(params))
try:
self._check_required_params(params, ["playbook-name"])
params["ansible_user"] = self.config_params["ssh-username"]
params["ansible_password"] = self.config_params["ssh-password"]
inventory = self.config_params["ssh-hostname"] + ","
playbook = self.PLAYBOOK_PATH + "/" + params["playbook-name"]
os.environ["ANSIBLE_HOST_KEY_CHECKING"] = "False"
return_code, stdout, stderr = await util_ansible.execute_playbook(playbook, inventory, params)
status = "OK" if return_code == 0 else "ERROR"
yield status, stdout + stderr
except Exception as e:
self.logger.debug("Error executing ansible playbook: {}".format(repr(e)))
yield "ERROR", str(e)
@staticmethod
def _check_required_params(params, required_params):
for required_param in required_params:
if required_param not in params:
raise VnfException("Missing required param: {}".format(required_param))