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flyapps/fir_ser/api/utils/app/shellcmds.py

138 lines
4.5 KiB

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# project: 3月
# author: liuyu
# date: 2020/3/6
import time, re, os, signal
from subprocess import Popen, PIPE
import logging
import paramiko, json
import socket
logger = logging.getLogger(__file__)
def default_result():
return {'exit_code': '99', 'return_info': 'Failed to run, function_name is not existed'}
def portisonline(host, port):
result = {}
sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sk.settimeout(3)
result["host"] = host
result["port"] = port
result["functionname"] = "CHECK_HOST_ONLINE:"
try:
sk.connect((host, port))
result["message"] = "Connection success"
result["code"] = 0
except Exception:
result["message"] = "SSH Port Connection refused"
result["code"] = 1
sk.close()
return result
class SSHConnection(object):
def __init__(self, host, port, username, password):
self._host = host
self._port = port
self._username = username
self._password = password
self._transport = None
self._sftp = None
self._client = None
self._connect()
def _connect(self):
transport = paramiko.Transport((self._host, self._port))
transport.connect(username=self._username, password=self._password)
self._transport = transport
# 下载
def download(self, remotepath, localpath):
if self._sftp is None:
self._sftp = paramiko.SFTPClient.from_transport(self._transport)
self._sftp.get(remotepath, localpath)
self.close()
# 上传
def put(self, localpath, remotepath):
if self._sftp is None:
self._sftp = paramiko.SFTPClient.from_transport(self._transport)
self.exec_command('mkdir -p %s' % (os.path.dirname(remotepath)))
self._sftp.put(localpath, remotepath)
self.close()
# 执行命令
def exec_command(self, command):
if self._client is None:
self._client = paramiko.SSHClient()
self._client._transport = self._transport
stdin, stdout, stderr = self._client.exec_command(command)
data = stdout.read()
if len(data) > 0:
return {'status': 0, 'infos': data}
err = stderr.read()
if len(err) > 0:
return {'status': 1, 'infos': err}
return {'status': 0, 'infos': data}
def close(self):
if self._transport:
self._transport.close()
if self._client:
self._client.close()
def shell_command(cmdstrs, timeout):
result = default_result()
result['return_info'] = ''
shell_start_time = time.time()
child = Popen(cmdstrs, shell=True, stdout=PIPE, stderr=PIPE)
if timeout:
while child.poll() is None:
time.sleep(1)
now = time.time()
if int(now - shell_start_time) > timeout:
os.kill(child.pid, signal.SIGKILL)
os.waitpid(-1, os.WNOHANG)
result['exit_code'] = 126
return result
out, err = child.communicate()
if err:
result['err_info'] = err.decode("utf-8")
shell_end_time = time.time()
result['shell_run_time'] = shell_end_time - shell_start_time
out = out.strip(b'\n')
result['return_info'] = out
result['exit_code'] = child.returncode
logging.info(u'shell: %s - %s%s - %s%d' % (cmdstrs, 'return_info: ', out, 'exit_code: ', child.returncode))
return result
def use_user_pass(hostip, port, user, passwd, cmdstrs):
result = default_result()
checkinfo = portisonline(hostip, port)
if checkinfo["code"] != 0:
result['shell_run_time'] = 0
result['return_info'] = json.dumps(checkinfo)
result['exit_code'] = checkinfo["code"]
else:
conn = SSHConnection(hostip, port, user, passwd)
result['return_info'] = ''
shell_start_time = time.time()
out = conn.exec_command(cmdstrs)
shell_end_time = time.time()
result['shell_run_time'] = shell_end_time - shell_start_time
outs = str(out['infos'], 'utf-8')
outs = outs.strip('\n')
result['return_info'] = outs
result['exit_code'] = out['status']
# logging.info(u'shell: %s - %s%s - %s%d' % (cmdstrs, 'return_info: ', out, 'exit_code: ', out['status']))
logger.info('host: %s user:%s - shell: %s - %s%s - %s%d' % (
hostip, user, cmdstrs, 'return_info: ', out, 'exit_code: ', out['status']))
conn.close()
return result