标签：python
#!/usr/bin/python
# -*- encoding=utf-8 -*-
####################################
from SimpleXMLRPCServer import SimpleXMLRPCServer
from SocketServer import ThreadingMixIn
import subprocess, os.path, os, stat
import re, getopt, sys
ERR_INSECURE = ‘[INSECURE_NAME]‘
ERR_NO_SCRIPT = ‘[NO_SCRIPT]‘
ERR_DUP_SCRIPT = ‘[DUP_SCRIPT]‘
ERR_OK = ‘[OK]‘
PT = re.compile(r‘^[0-9a-zA-Z\._]*$‘)
SCRIPT_DIR = ‘script‘ #will be init to absolute path
class ThreadXMLRPCServer(ThreadingMixIn, SimpleXMLRPCServer):pass
#############################################
def hello():
print "hello,world!"
def is_name_secure(script_name):
global PT
if PT.match(script_name):
return True
def init_script_path():
‘‘‘Init script_dir to absolute dir‘‘‘
global SCRIPT_DIR
SCRIPT_DIR = os.path.join(os.path.dirname(__file__), SCRIPT_DIR)
def get_file_data(script_name):
global SCRIPT_DIR
full_name = os.path.join(SCRIPT_DIR, script_name)
with open(full_name, ‘rb‘) as f:
return f.read()
def single_process():
import platform
pf = platform.system()
if pf == ‘Linux‘:
import fcntl
pid_file =‘/var/run/rpc.pid‘
fp = open(pid_file,‘w‘)
try:
fcntl.lockf(fp, fcntl.LOCK_EX | fcntl.LOCK_NB)
except IOError:
# another instance is running
sys.exit(0)
def install(prefix):
main_path = os.path.join(prefix, "rpc")
if not os.path.isdir(main_path):
os.makedirs(main_path)
log_path = os.path.join(main_path, "log")
if not os.path.isdir(log_path):
os.makedirs(log_path, 0777)
script_path = os.path.join(main_path, "script")
if not os.path.isdir(script_path):
os.makedirs(script_path)
target_file = os.path.join(main_path, "rpc.py")
if not os.path.isfile(target_file):
#os.renames(__file__, target_file)
os.system ("cp %s %s" % (__file__, target_file))
os.chmod(target_file, stat.S_IRWXU|stat.S_IRWXG|stat.S_IROTH)
with open(‘/etc/crontab‘, ‘a+‘) as f:
has_croned = False
for line in f.readlines():
if line.find(‘rpc.py‘) >= 0 and line.lstrip()[0] != ‘#‘:
break
else:# not found
#f.seek(0, os.SEEK_END)
f.write(‘*/1 * * * * root %s >> %s 2>&1 &\n‘%(target_file, os.path.join(log_path, ‘rpc.log‘)))
print ‘install ok.‘
#############################################
def run_script(script_name, *args):
global SCRIPT_DIR
if not is_name_secure(script_name):
return ERR_INSECURE
full_name = os.path.join(SCRIPT_DIR, script_name)
if not os.path.isfile(full_name):
return ERR_NO_SCRIPT
print "run:" + full_name, args
return check_output([full_name] + list(args))
def set_script(script_name, data):
global SCRIPT_DIR
if not is_name_secure(script_name):
return ERR_INSECURE
full_name = os.path.join(SCRIPT_DIR, script_name)
if os.path.isfile(full_name):
return ERR_DUP_SCRIPT
print "set:" + full_name, len(data), ‘bytes‘
with open(full_name, ‘wb‘) as f:
f.write(data)
os.chmod(full_name, stat.S_IRWXU|stat.S_IRWXG|stat.S_IROTH)
return ERR_OK
def list_all():
pass
#############################################
def check_output(*popenargs, **kwargs):
r"""Run command with arguments and return its output as a byte string.
If the exit code was non-zero it raises a CalledProcessError. The
CalledProcessError object will have the return code in the returncode
attribute and output in the output attribute.
The arguments are the same as for the Popen constructor. Example:
>>> check_output(["ls", "-l", "/dev/null"])
‘crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n‘
The stdout argument is not allowed as it is used internally.
To capture standard error in the result, use stderr=STDOUT.
>>> check_output(["/bin/sh", "-c",
... "ls -l non_existent_file ; exit 0"],
... stderr=STDOUT)
‘ls: non_existent_file: No such file or directory\n‘
"""
if ‘stdout‘ in kwargs:
raise ValueError(‘stdout argument not allowed, it will be overridden.‘)
process = subprocess.Popen(stdout=subprocess.PIPE, *popenargs, **kwargs)
output, unused_err = process.communicate()
retcode = process.poll()
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
raise subprocess.CalledProcessError(retcode, cmd, output=output)
return output
#############################################
def serve_forever():
svr=ThreadXMLRPCServer(("", 8282), allow_none=True)
svr.register_function(hello)
svr.register_function(run_script)
svr.register_function(set_script)
svr.register_function(list_all)
print ‘running at :8282‘
svr.serve_forever()
if __name__ == ‘__main__‘:
args = sys.argv[1:]
if len(args) == 0: #server
init_script_path()
single_process()
serve_forever()
else: #client
init_script_path()
opts, args = getopt.getopt(sys.argv[1:], "i:h:s:a:")
host = None
script_name = None
arg_str = ‘‘
prefix = ‘‘
for o, a in opts:
if o == "-h":
host = a
elif o == "-s":
script_name = a
elif o == "-a":
arg_str = a
elif o == "-i":
prefix = a
install(prefix)
exit()
if host and script_name:
from xmlrpclib import ServerProxy
svr=ServerProxy("http://%s:8282"%host)
ret = svr.run_script(script_name, *arg_str.split())
print ret
if ret == ERR_NO_SCRIPT:
ret = svr.set_script(script_name, get_file_data(script_name))
print ret
if ret == ERR_OK:
ret = svr.run_script(script_name, *arg_str.split())
print ret
本文出自 “muzinan的技术博客” 博客，转载请与作者联系！
标签：python
原文地址：http://muzinan110.blog.51cto.com/684213/1440890
