Add emr scanner

@@ -2,8 +2,8 @@
 # -*- coding: UTF-8 -*-
 # author tiexin.yang@yoho.cn
 
-from qcloud_api import QcloudApi
-from mailer import mailman
+from qcloud.qcloud_api import QcloudApi
+from qcloud.mailer import mailman
 import datetime
 import argparse
 import os,shutil
@@ -20,6 +20,7 @@ class EMRClusterScanner(object):
             self.secretId,self.secretKey = secretId,secretKey
 
         self.inventoryFile = '/opt/projects/yoho-ansible-roles/inventories/bigdata/hosts'
+        self.playbook_resolv = '/opt/projects/yoho-ansible-roles/playbooks/resolv.yml'
         self.mailman = mailman()
         self.receivers = ['tiexin.yang@yoho.cn','chunhua.zhang@yoho.cn']
         self.emrNameMap = {
@@ -112,6 +113,14 @@ class EMRClusterScanner(object):
         cmd = 'cd /opt/projects/yoho-ansible-roles/;git pull;git add {0};git commit -m "Update bigdata inventory file"; git push'.format(self.inventoryFile)
         os.popen(cmd)
         return True
+
+    def syncDNS(self,target='emr-recom'):
+        if target == 'emr-recom': #目前只负责同步emr-recom的DNS
+            cmd = 'sudo ansible-playbook -i {0} {1}'.format(self.inventoryFile,self.playbook_resolv)
+            os.popen(cmd)
+            return True
+        else:
+            return False
     
     def updateEMRInventory(self, emrName):
         #比对当前与最新的Inventory ip列表，相同则pass不同则更新
@@ -137,23 +146,28 @@ class EMRClusterScanner(object):
             print 'Pushing changes to git server...'
             self.gitUpdate()
             print 'Inventory file updated success'
+            if N_toAdd > 0:
+                print 'Running playbook to sync DNS...'
+                self.syncDNS(emrName)
+                print 'DNS synced'
+
             return 'Inventory 新增{0}条，删除{1}条'.format(N_toAdd,N_toDel)
 
     def start_daemon(self):
         #以守护进程的状态运行此EMR扫描程序
         while True:
             for emrName in self.emrNameMap:
-                #try:
+                try:
                     result = self.updateEMRInventory(emrName)
                     if result:
                         self.mailman.mail(receivers=self.receivers,Content='EMR大数据Inventory [{0}] 已更新\n{1}\n详见 http://git.yoho.cn/ops/yoho-ansible-roles/blob/master/inventories/bigdata/hosts'.format(emrName,result),Title='EMR Inventory 更新结果')
                     else:
                         pass
-                #except Exception as e:
-                #    print e
-                #    self.mailman.mail(receivers=self.receivers,Content='EMR大数据Inventory更新失败\n{0}\n5分钟后重试'.format(str(e)),Title='EMR Inventory 更新结果')
-                #    time.sleep(300)
-                #    pass
+                except Exception as e:
+                    print e
+                    self.mailman.mail(receivers=self.receivers,Content='EMR大数据Inventory更新失败\n{0}\n5分钟后重试'.format(str(e)),Title='EMR Inventory 更新结果')
+                    time.sleep(300)
+                    pass
             time.sleep(self.interval)