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2018-12-7 15:14:11
3.6-3.8 rc脚本
- memcached启动脚本v2
#!/usr/bin/python
#conding:utf8
import sys
from subprocess import Popen,PIPE
import os
class Process(object):
'''memcached rc scrip'''
args = {'USER':'memcached',
'PORT':11211,
'MAXCONN':1024,
'CACHESIZE':64,
'OPTIONS':''}
def __init__(self,name,program,workdir):
self.name = name
self.program = program
self.workdir = workdir
def _init(self):
'''/var/tmp/memcached pid'''
if not os.path.exists(self.workdir):
os.mkdir(self.workdir)
os.chdir(self.workdir)
def _pidFile(self):
'''/var/tmp/memcached/memcached.pid'''
return os.path.join(self.workdir,'%s.pid' %self.name)
def _writePid(self):
if self.pid:
with open(self._pidFile(),'w') as fd:
fd.write(str(self.pid))
def _getPid(self):
p = Popen(['pidof',self.name],stdout=PIPE)
self.pid = p.stdout.read().strip()
return self.pid
def _readConf(self,f):
with open(f,'r') as f:
line = f.readlines()
return dict([i.strip().replace('"','').split('=') for i in line])
def _passArgs(self):
conf = self._readConf('/etc/sysconfig/memcached')
if 'USER' in conf:
self.args['USER'] = conf['USER']
if 'PORT' in conf:
self.args['PORT'] = conf['PORT']
if 'MAXCONN' in conf:
self.args['MAXCONN'] = conf['MAXCONN']
if 'CACHESIZE' in conf:
self.args['CACHESIZE'] = conf['CACHESIZE']
options = ['-u',self.args['USER'],
'-p',self.args['PORT'],
'-m',self.args['CACHESIZE'],
'-c',self.args['MAXCONN']]
return options
def start(self):
self._init()
if not self._getPid():
cmd = [self.program] + self._passArgs() + ['-d','-P',self._pidFile()]
#print cmd
p = Popen(cmd, stdout=PIPE)
#self.pid = p.pid
#self._writePid()
print '/033[1;32m%s start Sucessful/033[0m' %self.name
else:
print '/033[1;32m%s is running.../033[0m' %self.name
def stop(self):
pid = self._getPid()
if pid:
os.kill(int(pid),15)
if os.path.exists(self._pidFile()):
os.remove(self._pidFile())
print '/033[1;32m%s is stoped/033[0m' %self.name
else:
print '/033[1;32m%s is not running... /033[0m' %self.name
def restart(self):
self.stop()
self.start()
def status(self):
pid = self._getPid()
if pid:
print '/033[1;32m%s is running... /033[0m' %self.name
else:
print '/033[1;32m%s is not running... /033[0m' %self.name
def help(self):
print "/033[1;33mUsage start|stop|status|restart /033[0m "
def main():
name = 'memcached'
prog = '/usr/bin/memcached'
wd = '/var/tmp/memcached'
pm = Process(name = name,
program = prog,
workdir = wd)
try:
cmd = sys.argv[1]
except IndexError, e:
pm.help()
sys.exit()
if cmd == 'start':
pm.start()
elif cmd == 'stop':
pm.stop()
elif cmd == 'restart':
pm.restart()
elif cmd == 'status':
pm.status()
else:
pm.help()
if __name__ == "__main__":
main()