问SSH权限被拒绝:在我的烧瓶应用程序中使用paramiko模块，并使用mod_wsgi(Apache)模式部署相同的模块

EN

WSGISocketPrefix run/wsgi  
<VirtualHost *:80>  
ServerName xx.xx.xx.xxx  
WSGIScriptAlias / /usr/share/PetInit/PetInit.wsgi  
WSGIDaemonProcess PetInit group=root threads=5 home=/usr/share

<Directory /usr/share/PetInit>
    WSGIScriptReloading On
    WSGIProcessGroup PetInit
    WSGIApplicationGroup %{GLOBAL}
    Order deny,allow
    Allow from all
</Directory>
</VirtualHost>

 import sys  
    import logging  
    logging.basicConfig(stream=sys.stderr) 
    sys.path.append("/usr/local/lib/python2.7/site-packages") 
    sys.path.append("/usr/local/lib/python2.7/site-packages/PetInit")  
    from PetInitServer import app as application

import paramiko
from paramiko import SSHClient  
ssh = paramiko.SSHClient()    
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())     
ssh.connect(remotenodeip,username='root', password='*****',key_filename='/root/.ssh/id_rsa.pub')

[Tue Oct 03 05:39:45 2017] [error]     ssh.connect(ip,username='root', password='*****',key_filename='/root/.ssh/id_rsa.pub')  
[Tue Oct 03 05:39:45 2017] [error]   File "/usr/lib/python2.6/site-packages/paramiko/client.py", line 290, in connect  
[Tue Oct 03 05:39:45 2017] [error]     sock.connect(addr)  
[Tue Oct 03 05:39:45 2017] [error]   File "<string>", line 1, in connect  
[Tue Oct 03 05:39:45 2017] [error] error: [Errno 13] Permission denied