/usr/lib/python2.7/dist-packages/lavapdu/pdurunner.py is in lavapdu-daemon 0.0.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2013 Linaro Limited
# Author Matt Hart <matthew.hart@linaro.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
import logging
import time
import json
import traceback
from lavapdu.dbhandler import DBHandler
from lavapdu.drivers.driver import PDUDriver
import lavapdu.drivers.strategies
class PDURunner(object):
def __init__(self, config):
self.pdus = config["pdus"]
self.settings = config["daemon"]
logging.basicConfig(level=self.settings["logging_level"])
logging.getLogger().setLevel(self.settings["logging_level"])
logging.getLogger().name = "PDURunner"
def get_one(self, db):
job = db.get_next_job()
if job:
job_id, hostname, port, request = job
logging.debug(job)
logging.info("Processing queue item: (%s %s) on hostname: %s" % (request, port, hostname))
res = self.do_job(hostname, port, request)
db.delete_row(job_id)
else:
logging.debug("Found nothing to do in database")
def driver_from_hostname(self, hostname):
logging.debug("Trying to find a driver for hostname %s" % hostname)
logging.debug(self.pdus)
if hostname in self.pdus:
drivername = (self.pdus[hostname]["driver"])
else:
raise NotImplementedError("No configuration available for hostname %s\n"
"Is there a section in the lavapdu.conf?" % hostname)
logging.debug("Config file wants driver: %s" % drivername)
driver = PDUDriver.select(drivername)(hostname, self.pdus[hostname])
return driver
def do_job(self, hostname, port, request, delay=0):
retries = self.settings["retries"]
driver = False
while retries > 0:
try:
driver = self.driver_from_hostname(hostname)
return driver.handle(request, port, delay)
except Exception as e:
logging.warn(traceback.format_exc())
logging.warn("Failed to execute job: %s %s %s (attempts left %i) error was %s" %
(hostname, port, request, retries, e.message))
if driver:
#driver._cleanup()
driver._bombout()
time.sleep(5)
retries -= 1
return False
def run_me(self):
logging.info("Starting up the PDURunner")
while 1:
db = DBHandler(self.settings)
self.get_one(db)
db.close()
del(db)
time.sleep(2)
if __name__ == "__main__":
settings = {}
filename = "/etc/lavapdu/lavapdu.conf"
print("Reading settings from %s" % filename)
with open(filename) as stream:
jobdata = stream.read()
json_data = json.loads(jobdata)
p = PDURunner(json_data)
#p.do_job("192.168.10.5",18,"reboot",2)
p.run_me()
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