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# Copyright (c) 2018 Amdocs
#
# 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.
import logging
import json
import tempfile
import time
import os
from multicloud_azure.pub.aria import util
from aria.cli.core import aria
from aria.cli import utils
from aria.core import Core
from aria.cli import service_template_utils
from aria.storage import exceptions as storage_exceptions
from aria.utils import threading
from aria.orchestrator.workflow_runner import WorkflowRunner as Runner
LOG = logging.getLogger(__name__)
execution_state = util.SafeDict()
class AriaServiceImpl(object):
def deploy_service(self, template_name, template_body, inputs, logger):
service_template_name = template_name + "-template" + \
time.strftime('%Y%m%d%H%M%S')
status = self.install_template_private(service_template_name,
template_body)
if (status[1] != 200):
logger.error("Error while installing the service-template")
return status[0], status[1]
else:
logger.info("service template {0} valiadated and stored".format(
service_template_name))
status = self.create_service(
status, template_name + time.strftime('%Y%m%d%H%M%S'), inputs)
if (status[1] != 200):
return status[0], status[1]
execution_id = time.strftime('%Y%m%d%H%M%S')
thread = threading.ExceptionThread(target=self.start_execution,
args=(status[2].id, execution_id,
inputs, 'install'))
thread.start()
return execution_id, 200
@aria.pass_model_storage
@aria.pass_resource_storage
@aria.pass_plugin_manager
@aria.pass_logger
def install_template_private(self, service_template_name, template_body,
model_storage,
resource_storage,
plugin_manager,
logger):
service_template_filename = "MainServiceTemplate.yaml"
fileSp = template_body
f = tempfile.NamedTemporaryFile(suffix='.csar',
delete=False)
f.write(fileSp.read())
f.seek(fileSp.tell(), 0)
service_template_path = f.name
fileSp.close()
file_path = service_template_utils.get(
service_template_path, service_template_filename)
core = Core(model_storage, resource_storage, plugin_manager)
logger.info("service-template file {}".format(file_path))
try:
service_template_id = core.create_service_template(
file_path,
os.path.dirname(file_path),
service_template_name)
except storage_exceptions.StorageError as e:
logger.error("storage exception")
utils.check_overriding_storage_exceptions(
e, 'service template', service_template_name)
return e.message, 500
except Exception as e:
logger.error("catchall exception")
return e.message, 500
return "service template installed", 200, service_template_id
@aria.pass_model_storage
@aria.pass_resource_storage
@aria.pass_plugin_manager
@aria.pass_logger
def create_service(self, template_id, service_name, input,
model_storage,
resource_storage,
plugin_manager,
logger):
"""
Creates a service from the specified service template
"""
input = input['sdnc_directives'] if'sdnc_directives'in input else None
core = Core(model_storage, resource_storage, plugin_manager)
service = core.create_service(template_id, input, service_name)
logger.info("service {} created".format(service.name))
return "service {} created".format(service.name), 200, service
@aria.pass_model_storage
@aria.pass_resource_storage
@aria.pass_plugin_manager
@aria.pass_logger
def start_execution(self, service_id, execution_id, input, workflow_name,
model_storage,
resource_storage,
plugin_manager,
logger):
"""
Start an execution for the specified service
"""
input = input['sdnc_directives'] if'sdnc_directives'in input else None
runner = Runner(model_storage, resource_storage, plugin_manager,
execution_id=execution_id,
service_id=service_id,
workflow_name=workflow_name,
inputs=input)
service = model_storage.service.get(service_id)
tname = '{}_{}_{}'.format(service.name, workflow_name,
runner.execution_id)
thread = threading.ExceptionThread(target=runner.execute,
name=tname)
thread.start()
execution_state[str(runner.execution_id)] = [runner, thread]
logger.info("execution {} started".format(runner.execution_id))
return json.dumps({"id": runner.execution_id}), 202
@aria.pass_model_storage
@aria.pass_logger
def show_execution(self, execution_id, model_storage, logger):
"""
Return details of specified execution/Stack
"""
try:
execution = model_storage.execution.get(execution_id)
except BaseException:
return "Execution {} not found".format(execution_id), 404
logger.info("showing details of execution id {}".format(execution_id))
return json.dumps({"execution_id": execution_id,
"service_name": execution.service_name,
"service_template_name":
execution.service_template_name,
"workflow_name": execution.workflow_name,
"status": execution.status}), 200
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