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#! /usr/bin/python
# 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
from engine import PDUEngine
from socketserver import DBHandler
class PDURunner():
def __init__(self, config):
logging.basicConfig(level=config["logging_level"])
logging.getLogger().setLevel(config["logging_level"])
logging.getLogger().name = "PDURunner"
self.config = config
def get_one(self, db):
job = db.get_next_job()
if job:
job_id, hostname, port, request = job
logging.info("Processing queue item: (%s %s) on hostname: %s" % (request, port, hostname))
#logging.debug(id, hostname, request, port)
res = self.do_job(hostname, port, request)
db.delete_row(job_id)
else:
logging.debug("Found nothing to do in database")
def do_job(self, hostname, port, request):
retries = 5
while retries > 0:
try:
pe = PDUEngine(hostname, 23)
if request == "reboot":
pe.driver.port_reboot(port)
elif request == "on":
pe.driver.port_on(port)
elif request == "off":
pe.driver.port_off(port)
elif request == "delayed":
pe.driver.port_delayed(port)
else:
logging.debug("Unknown request type: %s" % request)
pe.pduclose()
retries = 0
except:
logging.warn("Failed to execute job: %s %s %s (attempts left %i)" % (hostname, port, request, retries))
#logging.warn(e)
time.sleep(5)
retries -= 1
def run_me(self):
logging.info("Starting up the PDURunner")
while 1:
db = DBHandler(self.config)
self.get_one(db)
db.close()
del(db)
time.sleep(2)
if __name__ == "__main__":
starter = {"dbhost": "127.0.0.1",
"dbuser": "pdudaemon",
"dbpass": "pdudaemon",
"dbname": "lavapdu",
"logging_level": logging.DEBUG}
p = PDURunner(starter)
p.run_me()
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