Reload nginx service via salt.

gistfile.txt

mad@max:/srv/pillar$ sudo salt ngx000 nginx.configtest
ngx000:
    ----------
    comment:
        Syntax OK
    result:
        True
    stdout:
        nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
        nginx: configuration file /etc/nginx/nginx.conf test is successful
mad@max:/srv/pillar$ sudo salt ngx000 nginx.signal reload
ngx000:
    Command: "/usr/sbin/nginx -s reload" completed successfully!
mad@max:/srv/pillar$