| #!/usr/bin/python |
| from flask import request, Request, jsonify |
| from flask import Flask |
| from flask import make_response |
| import logging |
| import logging.handlers |
| import logging.config |
| import subprocess |
| import ConfigParser |
| import generate_pipeline |
| app = Flask(__name__) |
| |
| |
| @app.route('/monitoring/agent/openstack/start',methods=['POST']) |
| def openstack_start(): |
| try: |
| # To do validation of user inputs for all the functions |
| target = request.json['target'] |
| logging.debug("target:%s",target) |
| if not generate_pipeline.onos_service_info: |
| logging.debug (" ONOS Service is not enalble,Only openstack need to be enabled ") |
| generate_pipeline.generate_pipeline_yaml_for_openstack(target,True) |
| else: |
| logging.debug(" ONOS Service is also enabled ,please generate yaml file for both onos and openstack") |
| generate_pipeline.generate_pipeline_yaml_for_openstack_onos(target,True) |
| restart_ceilometer_services() |
| return "Openstack start service called \n" |
| except Exception as e: |
| return e.__str__() |
| |
| @app.route('/monitoring/agent/onos/start',methods=['POST']) |
| def onos_start(): |
| try: |
| target = request.json['target'] |
| logging.debug("target:%s",target) |
| metadata = request.json['meta_data'] |
| logging.debug("metadata:%s",metadata) |
| logging.debug(type(target)) |
| resources = metadata['resources'] |
| logging.debug("resources:%s",resources) |
| if not generate_pipeline.openstack_service_info: |
| logging.debug("Openstak Service is not enabled,Only ONOS need to be enabled") |
| generate_pipeline.generate_pipeline_yaml_for_onos(target,resources,True) |
| else: |
| logging.debug(" Openstack Service is also enabled ,please generate yaml file for both onos and openstack") |
| generate_pipeline.generate_pipeline_yaml_for_onos_openstack(target,resources,True) |
| |
| restart_ceilometer_services() |
| return "ONOS start service called \n" |
| except Exception as e: |
| return e.__str__() |
| |
| @app.route('/monitoring/agent/vsg/start',methods=['POST']) |
| def vsg_start(): |
| try: |
| target = request.json['target'] |
| logging.debug("target:%s",target) |
| return "vsg start service called \n" |
| except Exception as e: |
| return e.__str__() |
| |
| |
| @app.route('/monitoring/agent/openstack/stop',methods=['POST']) |
| def openstack_stop(): |
| try: |
| target = request.json['target'] |
| logging.debug("target:%s",target) |
| if not generate_pipeline.onos_service_info: |
| generate_pipeline.generate_pipeline_yaml_for_openstack(target,False) |
| else: |
| generate_pipeline.generate_pipeline_yaml_for_onos(generate_pipeline.onos_service_info[0].target,generate_pipeline.onos_service_info[0].resources,True) |
| logging.debug("Delete Openstack object") |
| for obj in generate_pipeline.openstack_service_info: |
| generate_pipeline.openstack_service_info.remove(obj) |
| |
| restart_ceilometer_services() |
| return "Openstack stop service called \n" |
| |
| except Exception as e: |
| return e.__str__() |
| |
| @app.route('/monitoring/agent/onos/stop',methods=['POST']) |
| def onos_stop(): |
| try: |
| target = request.json['target'] |
| logging.debug("target:%s",target) |
| metadata = request.json['meta_data'] |
| logging.debug("metadata:%s",metadata) |
| resources = metadata['resources'] |
| logging.debug("resources:%s",resources) |
| |
| if not generate_pipeline.openstack_service_info: |
| generate_pipeline.generate_pipeline_yaml_for_onos(target,resources,False) |
| else: |
| generate_pipeline.generate_pipeline_yaml_for_openstack(generate_pipeline.openstack_service_info[0].target,True) |
| |
| logging.debug("Delete ONOS Object") |
| for obj in generate_pipeline.onos_service_info: |
| generate_pipeline.onos_service_info.remove(obj) |
| |
| restart_ceilometer_services() |
| return "ONOS stop service called \n" |
| except Exception as e: |
| return e.__str__() |
| |
| @app.route('/monitoring/agent/vsg/stop',methods=['POST']) |
| def vsg_stop(): |
| try: |
| target = request.json['target'] |
| logging.debug("target:%s",target) |
| return "vsg stop service called \n" |
| except Exception as e: |
| return e.__str__() |
| |
| |
| def restart_ceilometer_services(): |
| try : |
| config = ConfigParser.ConfigParser() |
| config.read('monitoring_agent.conf') |
| services = config.get('SERVICE','Ceilometer_service') |
| service = services.split(",") |
| subprocess.call("sudo cp pipeline.yaml /etc/ceilometer/pipeline.yaml",shell=True) |
| except Exception as e: |
| logging.error("* Error in confing file:%s",e.__str__()) |
| return False |
| else : |
| for service_name in service: |
| command = ['service',service_name, 'restart']; |
| logging.debug("Executing: %s command",command) |
| #shell=FALSE for sudo to work. |
| try : |
| subprocess.call(command, shell=False) |
| except Exception as e: |
| logging.error("* %s command execution failed with error %s",command,e.__str__()) |
| return False |
| return True |
| |
| if __name__ == "__main__": |
| logging.config.fileConfig('monitoring_agent.conf', disable_existing_loggers=False) |
| app.run(host="0.0.0.0",port=5004,debug=False) |