remote.py

# -*- coding:utf8 -*-
import paramiko
from tornado import template
import os

#全部变量，指定配置文件的模板为当前目录下的templates文件
template_path=os.path.join(os.path.dirname(__file__), "templates")

#远程执行命令
def execute(server, port, username, password, shellcmd):
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    ssh.connect(server, port, username, password)
    stdin, stdout, stderr = ssh.exec_command(shellcmd)
    ssh.close()
    return stdout.readlines()

#上传文件
def upload(server, port, username, password, localfile, remotefile):
    t = paramiko.Transport((server, port))
    t.connect(username = username, password = password)
    sftp = paramiko.SFTPClient.from_transport(t)
    remotepath = remotefile
    localpath = localfile
    ret = sftp.put(localpath, remotepath)
    t.close()
    return ret
    
#下载文件
def download(server, port, username, password, remotefile, localfile):
    t = paramiko.Transport((server, port))
    t.connect(username = username, password = password)
    sftp = paramiko.SFTPClient.from_transport(t)
    remotepath = remotefile
    localpath = localfile
    ret = sftp.get(remotepath, localpath)
    t.close()
    return ret

#生成配置文件内容
def genconfigstring(configtemplate, configvalues):
    global template_path
    loader = template.Loader(template_path)
    ret = loader.load(configtemplate).generate(**configvalues)
    #print ret
    return ret

def genconfigfile(configfile, configtemplate, configvalues):
    configstring = genconfigstring(configtemplate, dianing_nginx)
    fp_config = open(configfile, 'w')
    fp_config.write(configstring )
    fp_config.close()


if __name__ == "__main__":

    #配置项
    dianing_nginx = {
    'user' : 'www',
    'group' : 'www',
    'keepalive_timeout' : '3',
    'access_log' : '/data1/logs/access.log',
    'server_name' : 'www.dianying.at v.dianying.at',
    'www_root' : '/data/dianying/wwwroot/',
    }

    config_file = "test.nginx"    #要生成的配置文件名
    genconfigfile(config_file, "nginx.template", dianing_nginx)        #生成配置文件
    #上传配置文件至/root/nginx/目录下
    upload('192.168.100.200', 22, 'root', 'password', config_file, "/root/nginx/" + config_file)
    #从/root/nginx/下载配置文件test.nginx至本地的/tmp目录并保存为.bak文件
    download('192.168.100.200', 22, 'root', 'password', "/root/nginx/" + config_file, "/tmp/" + config_file + ".bak")