ansible-tasks

• aliyun_aegis_check: use log callback_plugins

upgrade ansible

• Install virtualenv

$ pip install virtualenv

• Create and active virtual env

$ virtualenv ansible-new-version
$ . ansible-new-version/bin/active

• Install the specified version of ansible

$ pip install paramiko PyYAML Jinja2 httplib2 six
$ pip install ansible==1.9.4