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agomez |
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#!/usr/bin/python
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agomez |
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#
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# BonFIRE Virtual Clusters on Federated Clouds Demonstration Kit
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#
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# Copyright (c) Fundacion Centro Tecnologico de Supercomputacion de Galicia 2012
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#
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# License GPL Version 3
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#
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# The research leading to these results has received funding from
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# the European Community's Seventh Frameqork Programme (FP7/2007-2013)
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# under agreement number 257386
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#
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# This software is provided with ABSOLUTELY NO WARRANTY
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#
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agomez |
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import os
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import os.path
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import subprocess
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import sys
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import time
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from logger import log,configure
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if len(sys.argv)>1:
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configure(logfile = sys.argv[1], debug=True, console=False)
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else:
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configure(debug=True, console=True)
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try:
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import bonfire
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import hostsfile
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import ogs
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import vcutil
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allow_single_cluster = True
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default_bonfire = "/etc/default/bonfire"
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bonfire.read_defaults(default_bonfire)
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hosts_file = "/etc/hosts"
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log.info("Bonfire URI: %s" % bonfire.uri)
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log.info("Credentials: %s:%s" % (bonfire.user,bonfire.password,))
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log.info("Experiment: %s" % bonfire.experiment_id)
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#Basic hostsfile for main nodes
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while True:
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try:
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log.info("Get experiment")
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master_host = None
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shadow_host = None
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while (master_host == None) and ((not allow_single_cluster) or (shadow_host == None)) :
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experiment = bonfire.get_experiment(bonfire.experiment_id)
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for compute in experiment['computes']:
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if compute["hostname"].startswith("master"):
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master_host = (compute['ip'],compute['hostname'])
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elif compute["hostname"].startswith("shadow"):
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shadow_host = (compute['ip'],compute['hostname'])
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main_hosts = [('127.0.0.1','localhost'),(bonfire.wan_ip,bonfire.hostname), master_host]
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if shadow_host:
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main_hosts.append(shadow_host)
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data_host = master_host
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if bonfire.hostname.startswith("client-shadow"):
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data_host = shadow_host
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log.debug(str(main_hosts))
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break
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except Exception as excpt:
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log.exception(excpt)
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time.sleep(20)
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hostsfile.store(hosts_file,main_hosts)
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#Try to mount shared
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log.info("Try to mount NFS volume")
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while True:
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try:
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log.debug(vcutil.execute("mount -t nfs %s:/volume /shared" % data_host[1]))
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break
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except Exception as excpt:
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log.debug("NFS volume not available")
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log.exception(excpt)
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try:
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log.debug(vcutil.execute("umount /shared"))
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except Exception as excpt:
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log.exception(excpt)
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time.sleep(20)
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#Mount shared
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log.debug(vcutil.execute("umount /shared"))
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log.info("Sync mount NFS volume")
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log.debug(vcutil.execute("mount -t nfs -o nordirplus,hard,nointr,rw %s:/volume /shared" % data_host[1]))
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while not (os.path.exists("/shared/ogs/default/common/sgeexecd") and os.path.exists("/shared/ogs/default/common/settings.sh")):
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log.debug("OGS directory not available")
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time.sleep(5)
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#Configure OGS installation
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log.debug(vcutil.execute("""export SGE_ROOT=/shared/ogs
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cd $SGE_ROOT
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echo \". $SGE_ROOT/default/common/settings.sh\" >> /root/.bashrc
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ln -s $SGE_ROOT/default/common/sgeexecd /etc/init.d/sgeexecd
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"""))
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log.debug("Checking if OGS is available")
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while True:
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try:
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log.debug(vcutil.execute(". /shared/ogs/default/common/settings.sh; qstat"))
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break
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except Exception as excpt:
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log.exception(excpt)
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time.sleep(10)
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log.debug(vcutil.execute(". /shared/ogs/default/common/settings.sh; python -u /root/vc/vc-node-execd.py /var/log/vc-node-execd.log" , fork = True))
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except Exception as excpt:
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log.exception(excpt)
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