/usr/bin/scriptmgr2 is in skytools 2.1.12-6.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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"""Bulk start/stop of scripts.
Reads a bunch of config files and maps them to scripts, then handles those.
"""
import sys, os, skytools, signal, glob, ConfigParser, time
command_usage = """
%prog [options] INI CMD [subcmd args]
commands:
start [-a | jobname ..] start a job
stop [-a | jobname ..] stop a job
restart [-a | jobname ..] restart job(s)
reload [-a | jobname ..] send reload signal
status
"""
def job_sort_cmp(j1, j2):
d1 = j1['service'] + j1['job_name']
d2 = j2['service'] + j2['job_name']
if d1 < d2: return -1
elif d1 > d2: return 1
else: return 0
class ScriptMgr(skytools.DBScript):
def init_optparse(self, p = None):
p = skytools.DBScript.init_optparse(self, p)
p.add_option("-a", "--all", action="store_true", help="apply command to all jobs")
p.set_usage(command_usage.strip())
return p
def load_jobs(self):
self.svc_list = []
self.svc_map = {}
self.config_list = []
# load services
svc_list = self.cf.sections()
svc_list.remove(self.service_name)
for svc_name in svc_list:
cf = self.cf.clone(svc_name)
disabled = cf.getboolean('disabled', 0)
defscript = None
if disabled:
defscript = '/disabled'
svc = {
'service': svc_name,
'script': cf.getfile('script', defscript),
'cwd': cf.getfile('cwd'),
'disabled': cf.getboolean('disabled', 0),
'args': cf.get('args', ''),
}
self.svc_list.append(svc)
self.svc_map[svc_name] = svc
# generate config list
for tmp in self.cf.getlist('config_list'):
tmp = os.path.expanduser(tmp)
tmp = os.path.expandvars(tmp)
for fn in glob.glob(tmp):
self.config_list.append(fn)
# read jobs
for fn in self.config_list:
raw = ConfigParser.SafeConfigParser({'job_name':'?', 'service_name':'?'})
raw.read(fn)
# skip its own config
if raw.has_section(self.service_name):
continue
got = 0
for sect in raw.sections():
if sect in self.svc_map:
got = 1
self.add_job(fn, sect)
if not got:
self.log.warning('Cannot find service for %s' % fn)
def add_job(self, cf_file, service_name):
svc = self.svc_map[service_name]
cf = skytools.Config(service_name, cf_file)
disabled = svc['disabled']
if not disabled:
disabled = cf.getboolean('disabled', 0)
job = {
'disabled': disabled,
'config': cf_file,
'cwd': svc['cwd'],
'script': svc['script'],
'args': svc['args'],
'service': svc['service'],
'job_name': cf.get('job_name'),
'pidfile': cf.getfile('pidfile', ''),
}
self.job_list.append(job)
self.job_map[job['job_name']] = job
def cmd_status(self):
for job in self.job_list:
os.chdir(job['cwd'])
cf = skytools.Config(job['service'], job['config'])
pidfile = cf.getfile('pidfile', '')
name = job['job_name']
svc = job['service']
if job['disabled']:
name += " (disabled)"
if not pidfile:
print " pidfile? [%s] %s" % (svc, name)
elif os.path.isfile(pidfile):
print " OK [%s] %s" % (svc, name)
else:
print " STOPPED [%s] %s" % (svc, name)
def cmd_info(self):
for job in self.job_list:
print job
def cmd_start(self, job_name):
if job_name not in self.job_map:
self.log.error('Unknown job: '+job_name)
return 1
job = self.job_map[job_name]
if job['disabled']:
self.log.info("Skipping %s" % job_name)
return 0
self.log.info('Starting %s' % job_name)
os.chdir(job['cwd'])
pidfile = job['pidfile']
if not pidfile:
self.log.warning("No pidfile for %s cannot launch")
return 0
if os.path.isfile(pidfile):
self.log.warning("Script %s seems running" % job_name)
return 0
cmd = "%(script)s %(config)s %(args)s -d" % job
res = os.system(cmd)
self.log.debug(res)
if res != 0:
self.log.error('startup failed: %s' % job_name)
return 1
else:
return 0
def cmd_stop(self, job_name):
if job_name not in self.job_map:
self.log.error('Unknown job: '+job_name)
return
job = self.job_map[job_name]
if job['disabled']:
self.log.info("Skipping %s" % job_name)
return
self.log.info('Stopping %s' % job_name)
self.signal_job(job, signal.SIGINT)
def cmd_reload(self, job_name):
if job_name not in self.job_map:
self.log.error('Unknown job: '+job_name)
return
job = self.job_map[job_name]
if job['disabled']:
self.log.info("Skipping %s" % job_name)
return
self.log.info('Reloading %s' % job_name)
self.signal_job(job, signal.SIGHUP)
def signal_job(self, job, sig):
os.chdir(job['cwd'])
pidfile = job['pidfile']
if not pidfile:
self.log.warning("No pidfile for %s (%s)" % (job['job_name'], job['config']))
return
if os.path.isfile(pidfile):
pid = int(open(pidfile).read())
try:
os.kill(pid, sig)
except Exception, det:
self.log.warning("Signaling %s failed: %s" % (job['job_name'], str(det)))
else:
self.log.warning("Job %s not running" % job['job_name'])
def work(self):
self.set_single_loop(1)
self.job_list = []
self.job_map = {}
self.load_jobs()
if len(self.args) < 2:
print "need command"
sys.exit(1)
jobs = self.args[2:]
if len(jobs) == 0 and self.options.all:
for job in self.job_list:
jobs.append(job['job_name'])
self.job_list.sort(job_sort_cmp)
cmd = self.args[1]
if cmd == "status":
self.cmd_status()
return
elif cmd == "info":
self.cmd_info()
return
if len(jobs) == 0:
print "no jobs given?"
sys.exit(1)
if cmd == "start":
err = 0
for n in jobs:
err += self.cmd_start(n)
if err > 0:
self.log.error('some scripts failed')
sys.exit(1)
elif cmd == "stop":
for n in jobs:
self.cmd_stop(n)
elif cmd == "restart":
for n in jobs:
self.cmd_stop(n)
time.sleep(2)
self.cmd_start(n)
elif cmd == "reload":
for n in jobs:
self.cmd_reload(n)
else:
print "unknown command:", cmd
sys.exit(1)
if __name__ == '__main__':
script = ScriptMgr('scriptmgr', sys.argv[1:])
script.start()
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