Ahenk/usr/share/ahenk/plugins/service/service_management.py
2020-04-06 18:13:10 +03:00

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Python
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Author: Cemre ALPSOY <cemre.alpsoy@agem.com.tr>
from base.plugin.abstract_plugin import AbstractPlugin
import json
class ServiceManagement(AbstractPlugin):
def __init__(self, data, context):
super(AbstractPlugin, self).__init__()
self.data = data
self.context = context
self.logger = self.get_logger()
self.message_code = self.get_message_code()
self.service_status = 'service {} status'
def start_stop_service(self, service_name, service_action):
(result_code, p_out, p_err) = self.execute('service {0} {1}'.format(service_name, service_action))
if result_code == 0:
message = 'Service start/stop action was successful: '.format(service_action)
else:
message = 'Service action was unsuccessful: {0}, return code {1}'.format(service_action, str(result_code))
self.logger.debug(message)
return result_code, message
def is_service_exist(self, service_name):
result_code, p_out, p_err = self.execute("service --status-all")
p_err = ' ' + p_err
p_out = ' ' + p_out
lines = p_out.split('\n')
for line in lines:
line_split = line.split(' ')
if len(line_split) >= 5:
result, out, err = self.execute(self.service_status.format(service_name))
if 'Unknown job' not in str(err):
if line_split[len(line_split) - 4] == '+':
return "ACTIVE"
elif line_split[len(line_split) - 4] == '-':
return "INACTIVE"
else:
return "NOTFOUND"
def is_service_running(self, service_name):
result_code, p_out, p_err = self.execute("ps -A")
if service_name in p_out:
return True
else:
return False
def set_startup_service(self, service_name):
(result_code, p_out, p_err) = self.execute('update-rc.d {} defaults'.format(service_name))
if result_code == 0:
message = 'Service startup action was successful: {}'.format(service_name)
else:
message = 'Service action was unsuccessful: {0}, return code {1}'.format(service_name, str(result_code))
self.logger.debug('SERVICE' + message)
return result_code, message
def send_mail(self, stopped_services, all_services):
if self.context.is_mail_send():
mail_content = self.context.get_mail_content();
if mail_content.__contains__('{stopped_services}'):
mail_content = str(mail_content).replace('{stopped_services}', str(stopped_services));
if mail_content.__contains__('{ahenk}'):
mail_content = str(mail_content).replace('{ahenk}', str(self.Ahenk.dn()));
self.context.set_mail_content(mail_content)
self.context.create_response(code=self.message_code.TASK_PROCESSED.value,
message='Servis izleme görevi başarıyla oluşturuldu.',
data=json.dumps({
'Result': 'İşlem Başarı ile gercekleştirildi',
'mail_content': str(self.context.get_mail_content()),
'mail_subject': str(self.context.get_mail_subject()),
'mail_send': self.context.is_mail_send(),
'services': all_services
}),
content_type=self.get_content_type().APPLICATION_JSON.value)
else:
self.context.create_response(code=self.message_code.TASK_PROCESSED.value,
message='Servis izleme görevi başarıyla oluşturuldu.',
data=json.dumps({
'Result': 'İşlem Başarı ile gercekleştirildi',
'mail_send': self.context.is_mail_send(),
'services': all_services
}),
content_type=self.get_content_type().APPLICATION_JSON.value)
def save_service(self, service):
cols = ['serviceName', 'serviceStatus', 'timestamp', 'task_id'];
values = [service["serviceName"], service["serviceStatus"], self.timestamp(),service['task_id']]
return self.db_service.update('service', cols, values)
def save_service_list(self, service_list):
cols = ['serviceName', 'serviceStatus', 'timestamp', 'task_id'];
values = [service_list[1], service_list[2], self.timestamp(), service_list[4]]
return self.db_service.update('service', cols, values, 'id='+ str(service_list[0]))
def get_service_status(self,service):
service_name = service["serviceName"] + ".service"
serviceStatus = service["serviceStatus"]
result_code, p_out, p_err = self.execute("systemctl status " + str(service_name) + " | grep 'Active\|Loaded'")
# self.logger.debug("-----p_out"+ str(p_out))
if 'not-found' in p_out:
service["serviceStatus"] = 'Service Not Found'
elif 'running' in p_out:
service["serviceStatus"] = 'Running'
elif ('inactive' in p_out) or ('failed' in p_out):
service["serviceStatus"] = 'Stopped'
elif ('abandoned' in p_out):
service["serviceStatus"] = 'Active Abandoned'
else:
service["serviceStatus"] = 'Running'
return service
def save_service_status(self, service):
service= self.get_service_status(service)
self.save_service(service)
def get_services_status(self, services):
for service in services:
service= self.get_service_status(service)
def get_services_status_and_save(self, services):
for service in services:
service= self.get_service_status(service)
service_id_from_db=self.save_service(service)
service['id']=service_id_from_db
def handle_task(self):
try:
self.logger.debug("Service Management task is started.")
services = self.data['serviceManageParam']
task_id= self.context.get('task_id')
# setting task id
for srv in services:
srv['task_id']=task_id
srv['agentDn']=self.Ahenk.dn()
srv['isServiceMonitoring']= True
db_services = self.db_service.select('service', '*','task_id=' +str(task_id))
if len(db_services) < 1:
self.get_services_status_and_save(services)
stopped_services = ''
for servc in services:
if servc['serviceStatus'] == 'Stopped':
stopped_services += servc['serviceName'] + ' ,'
if stopped_services != '':
self.send_mail(stopped_services, services)
else:
self.context.create_response(code=self.message_code.TASK_PROCESSED.value,
message='Servis izleme görevi başarıyla oluşturuldu.',
data=json.dumps({
'Result': 'İşlem Başarı ile gercekleştirildi',
'services': services,
}),
content_type=self.get_content_type().APPLICATION_JSON.value)
else:
servicesStatusChanged =[]
self.get_services_status(services)
for srv in services:
isExist=False;
for srvDb in db_services:
if srv['serviceName'] == srvDb[1]:
isExist=True
if isExist ==False:
srv=self.get_service_status(srv)
self.save_service(srv)
for srv in services:
for srvDb in db_services:
srvDbList=list(srvDb)
if srv['serviceName'] == srvDb[1] and srv['serviceStatus'] != srvDbList[2]:
srvDbList[2]=srv['serviceStatus']
self.save_service_list(srvDbList)
servicesStatusChanged.append(srv)
if len(servicesStatusChanged)>0:
stopped_services=''
for servc in servicesStatusChanged:
if servc['serviceStatus']== 'Stopped' :
stopped_services += servc['serviceName'] + ' ,'
if stopped_services != '':
self.send_mail(stopped_services,servicesStatusChanged)
else:
self.context.create_response(code=self.message_code.TASK_PROCESSED.value,
message='Servis izleme görevi başarıyla oluşturuldu.',
data=json.dumps({
'Result': 'İşlem Başarı ile gercekleştirildi',
'services': servicesStatusChanged
}),
content_type=self.get_content_type().APPLICATION_JSON.value)
else:
self.context.create_response(code=None,
message='Servis izleme görevi başarıyla oluşturuldu.',
data=None,
content_type=self.get_content_type().APPLICATION_JSON.value)
except Exception as e:
self.logger.error(str(e))
self.context.create_response(code=self.message_code.TASK_ERROR.value,
message='Servis yönetimi sırasında bir hata oluştu: {0}'.format(
str(e)))
def handle_task(task, context):
plugin = ServiceManagement(task, context)
plugin.handle_task()