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#!/usr/bin/python |
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# |
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|
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# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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# 02110-1301, USA. |
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|
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|
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"""Burnin program |
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|
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""" |
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|
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import sys |
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import optparse |
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import time |
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import socket |
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import urllib |
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from itertools import izip, islice, cycle |
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from cStringIO import StringIO |
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|
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from ganeti import opcodes |
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from ganeti import constants |
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from ganeti import cli |
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from ganeti import errors |
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from ganeti import utils |
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from ganeti import hypervisor |
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from ganeti import compat |
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|
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from ganeti.confd import client as confd_client |
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|
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|
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USAGE = ("\tburnin -o OS_NAME [options...] instance_name ...") |
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|
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MAX_RETRIES = 3 |
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LOG_HEADERS = { |
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0: "- ", |
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1: "* ", |
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2: "" |
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} |
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|
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|
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class InstanceDown(Exception): |
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"""The checked instance was not up""" |
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|
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|
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class BurninFailure(Exception): |
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"""Failure detected during burning""" |
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|
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|
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def Usage(): |
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"""Shows program usage information and exits the program.""" |
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|
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print >> sys.stderr, "Usage:" |
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print >> sys.stderr, USAGE |
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sys.exit(2) |
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|
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|
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def Log(msg, *args, **kwargs): |
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"""Simple function that prints out its argument. |
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|
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""" |
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if args: |
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msg = msg % args |
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indent = kwargs.get("indent", 0) |
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sys.stdout.write("%*s%s%s\n" % (2 * indent, "", |
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LOG_HEADERS.get(indent, " "), msg)) |
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sys.stdout.flush() |
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|
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|
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def Err(msg, exit_code=1): |
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"""Simple error logging that prints to stderr. |
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|
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""" |
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sys.stderr.write(msg + "\n") |
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sys.stderr.flush() |
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sys.exit(exit_code) |
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|
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|
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class SimpleOpener(urllib.FancyURLopener): |
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"""A simple url opener""" |
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# pylint: disable=W0221 |
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|
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def prompt_user_passwd(self, host, realm, clear_cache=0): |
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"""No-interaction version of prompt_user_passwd.""" |
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# we follow parent class' API |
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# pylint: disable=W0613 |
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return None, None |
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|
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def http_error_default(self, url, fp, errcode, errmsg, headers): |
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"""Custom error handling""" |
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# make sure sockets are not left in CLOSE_WAIT, this is similar |
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# but with a different exception to the BasicURLOpener class |
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_ = fp.read() # throw away data |
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fp.close() |
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raise InstanceDown("HTTP error returned: code %s, msg %s" % |
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(errcode, errmsg)) |
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|
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|
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OPTIONS = [ |
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cli.cli_option("-o", "--os", dest="os", default=None, |
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help="OS to use during burnin", |
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metavar="<OS>", |
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completion_suggest=cli.OPT_COMPL_ONE_OS), |
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cli.HYPERVISOR_OPT, |
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cli.OSPARAMS_OPT, |
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cli.cli_option("--disk-size", dest="disk_size", |
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help="Disk size (determines disk count)", |
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default="128m", type="string", metavar="<size,size,...>", |
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completion_suggest=("128M 512M 1G 4G 1G,256M" |
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" 4G,1G,1G 10G").split()), |
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cli.cli_option("--disk-growth", dest="disk_growth", help="Disk growth", |
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default="128m", type="string", metavar="<size,size,...>"), |
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cli.cli_option("--mem-size", dest="mem_size", help="Memory size", |
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default=None, type="unit", metavar="<size>", |
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completion_suggest=("128M 256M 512M 1G 4G 8G" |
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" 12G 16G").split()), |
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cli.cli_option("--maxmem-size", dest="maxmem_size", help="Max Memory size", |
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default=256, type="unit", metavar="<size>", |
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completion_suggest=("128M 256M 512M 1G 4G 8G" |
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" 12G 16G").split()), |
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cli.cli_option("--minmem-size", dest="minmem_size", help="Min Memory size", |
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default=128, type="unit", metavar="<size>", |
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completion_suggest=("128M 256M 512M 1G 4G 8G" |
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" 12G 16G").split()), |
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cli.cli_option("--vcpu-count", dest="vcpu_count", help="VCPU count", |
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default=3, type="unit", metavar="<count>", |
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completion_suggest=("1 2 3 4").split()), |
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cli.DEBUG_OPT, |
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cli.VERBOSE_OPT, |
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cli.NOIPCHECK_OPT, |
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cli.NONAMECHECK_OPT, |
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cli.EARLY_RELEASE_OPT, |
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cli.cli_option("--no-replace1", dest="do_replace1", |
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help="Skip disk replacement with the same secondary", |
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action="store_false", default=True), |
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cli.cli_option("--no-replace2", dest="do_replace2", |
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help="Skip disk replacement with a different secondary", |
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action="store_false", default=True), |
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cli.cli_option("--no-failover", dest="do_failover", |
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help="Skip instance failovers", action="store_false", |
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default=True), |
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cli.cli_option("--no-migrate", dest="do_migrate", |
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help="Skip instance live migration", |
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action="store_false", default=True), |
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cli.cli_option("--no-move", dest="do_move", |
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help="Skip instance moves", action="store_false", |
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default=True), |
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cli.cli_option("--no-importexport", dest="do_importexport", |
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help="Skip instance export/import", action="store_false", |
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default=True), |
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cli.cli_option("--no-startstop", dest="do_startstop", |
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help="Skip instance stop/start", action="store_false", |
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default=True), |
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cli.cli_option("--no-reinstall", dest="do_reinstall", |
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help="Skip instance reinstall", action="store_false", |
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default=True), |
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cli.cli_option("--no-reboot", dest="do_reboot", |
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help="Skip instance reboot", action="store_false", |
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default=True), |
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cli.cli_option("--reboot-types", dest="reboot_types", |
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help="Specify the reboot types", default=None), |
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cli.cli_option("--no-activate-disks", dest="do_activate_disks", |
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help="Skip disk activation/deactivation", |
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action="store_false", default=True), |
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cli.cli_option("--no-add-disks", dest="do_addremove_disks", |
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help="Skip disk addition/removal", |
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action="store_false", default=True), |
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cli.cli_option("--no-add-nics", dest="do_addremove_nics", |
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help="Skip NIC addition/removal", |
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action="store_false", default=True), |
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cli.cli_option("--no-nics", dest="nics", |
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help="No network interfaces", action="store_const", |
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const=[], default=[{}]), |
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cli.cli_option("--no-confd", dest="do_confd_tests", |
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help="Skip confd queries", |
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action="store_false", default=constants.ENABLE_CONFD), |
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cli.cli_option("--rename", dest="rename", default=None, |
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help=("Give one unused instance name which is taken" |
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" to start the renaming sequence"), |
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metavar="<instance_name>"), |
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cli.cli_option("-t", "--disk-template", dest="disk_template", |
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choices=list(constants.DISK_TEMPLATES), |
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default=constants.DT_DRBD8, |
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help="Disk template (diskless, file, plain, sharedfile" |
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" or drbd) [drbd]"), |
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cli.cli_option("-n", "--nodes", dest="nodes", default="", |
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help=("Comma separated list of nodes to perform" |
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" the burnin on (defaults to all nodes)"), |
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completion_suggest=cli.OPT_COMPL_MANY_NODES), |
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cli.cli_option("-I", "--iallocator", dest="iallocator", |
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default=None, type="string", |
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help=("Perform the allocation using an iallocator" |
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" instead of fixed node spread (node restrictions no" |
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" longer apply, therefore -n/--nodes must not be" |
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" used"), |
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completion_suggest=cli.OPT_COMPL_ONE_IALLOCATOR), |
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cli.cli_option("-p", "--parallel", default=False, action="store_true", |
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dest="parallel", |
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help=("Enable parallelization of some operations in" |
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" order to speed burnin or to test granular locking")), |
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cli.cli_option("--net-timeout", default=15, type="int", |
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dest="net_timeout", |
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help=("The instance check network timeout in seconds" |
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" (defaults to 15 seconds)"), |
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completion_suggest="15 60 300 900".split()), |
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cli.cli_option("-C", "--http-check", default=False, action="store_true", |
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dest="http_check", |
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help=("Enable checking of instance status via http," |
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" looking for /hostname.txt that should contain the" |
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" name of the instance")), |
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cli.cli_option("-K", "--keep-instances", default=False, |
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action="store_true", |
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dest="keep_instances", |
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help=("Leave instances on the cluster after burnin," |
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" for investigation in case of errors or simply" |
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" to use them")), |
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] |
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|
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# Mainly used for bash completion |
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ARGUMENTS = [cli.ArgInstance(min=1)] |
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|
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|
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def _DoCheckInstances(fn): |
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"""Decorator for checking instances. |
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|
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""" |
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def wrapper(self, *args, **kwargs): |
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val = fn(self, *args, **kwargs) |
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for instance in self.instances: |
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self._CheckInstanceAlive(instance) # pylint: disable=W0212 |
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return val |
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|
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return wrapper |
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|
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|
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def _DoBatch(retry): |
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"""Decorator for possible batch operations. |
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|
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Must come after the _DoCheckInstances decorator (if any). |
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|
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@param retry: whether this is a retryable batch, will be |
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passed to StartBatch |
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|
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""" |
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def wrap(fn): |
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def batched(self, *args, **kwargs): |
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self.StartBatch(retry) |
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val = fn(self, *args, **kwargs) |
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self.CommitQueue() |
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return val |
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return batched |
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|
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return wrap |
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|
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|
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class Burner(object): |
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"""Burner class.""" |
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|
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def __init__(self): |
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"""Constructor.""" |
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self.url_opener = SimpleOpener() |
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self._feed_buf = StringIO() |
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self.nodes = [] |
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self.instances = [] |
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self.to_rem = [] |
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self.queued_ops = [] |
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self.opts = None |
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self.queue_retry = False |
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self.disk_count = self.disk_growth = self.disk_size = None |
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self.hvp = self.bep = None |
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self.ParseOptions() |
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self.cl = cli.GetClient() |
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self.GetState() |
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|
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def ClearFeedbackBuf(self): |
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"""Clear the feedback buffer.""" |
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self._feed_buf.truncate(0) |
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|
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def GetFeedbackBuf(self): |
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"""Return the contents of the buffer.""" |
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return self._feed_buf.getvalue() |
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|
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def Feedback(self, msg): |
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"""Acumulate feedback in our buffer.""" |
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formatted_msg = "%s %s" % (time.ctime(utils.MergeTime(msg[0])), msg[2]) |
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self._feed_buf.write(formatted_msg + "\n") |
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if self.opts.verbose: |
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Log(formatted_msg, indent=3) |
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|
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def MaybeRetry(self, retry_count, msg, fn, *args): |
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"""Possibly retry a given function execution. |
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|
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@type retry_count: int |
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@param retry_count: retry counter: |
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- 0: non-retryable action |
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- 1: last retry for a retryable action |
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- MAX_RETRIES: original try for a retryable action |
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@type msg: str |
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@param msg: the kind of the operation |
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@type fn: callable |
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@param fn: the function to be called |
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|
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""" |
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try: |
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val = fn(*args) |
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if retry_count > 0 and retry_count < MAX_RETRIES: |
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Log("Idempotent %s succeeded after %d retries", |
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msg, MAX_RETRIES - retry_count) |
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return val |
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except Exception, err: # pylint: disable=W0703 |
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if retry_count == 0: |
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Log("Non-idempotent %s failed, aborting", msg) |
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raise |
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elif retry_count == 1: |
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Log("Idempotent %s repeated failure, aborting", msg) |
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raise |
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else: |
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Log("Idempotent %s failed, retry #%d/%d: %s", |
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msg, MAX_RETRIES - retry_count + 1, MAX_RETRIES, err) |
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self.MaybeRetry(retry_count - 1, msg, fn, *args) |
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|
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def _ExecOp(self, *ops): |
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"""Execute one or more opcodes and manage the exec buffer. |
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|
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@return: if only opcode has been passed, we return its result; |
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otherwise we return the list of results |
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|
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""" |
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job_id = cli.SendJob(ops, cl=self.cl) |
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results = cli.PollJob(job_id, cl=self.cl, feedback_fn=self.Feedback) |
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if len(ops) == 1: |
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return results[0] |
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else: |
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return results |
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|
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def ExecOp(self, retry, *ops): |
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"""Execute one or more opcodes and manage the exec buffer. |
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|
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@return: if only opcode has been passed, we return its result; |
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otherwise we return the list of results |
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|
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""" |
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if retry: |
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rval = MAX_RETRIES |
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else: |
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rval = 0 |
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cli.SetGenericOpcodeOpts(ops, self.opts) |
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return self.MaybeRetry(rval, "opcode", self._ExecOp, *ops) |
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|
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def ExecOrQueue(self, name, ops, post_process=None): |
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"""Execute an opcode and manage the exec buffer.""" |
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if self.opts.parallel: |
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cli.SetGenericOpcodeOpts(ops, self.opts) |
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self.queued_ops.append((ops, name, post_process)) |
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else: |
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val = self.ExecOp(self.queue_retry, *ops) # pylint: disable=W0142 |
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if post_process is not None: |
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post_process() |
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return val |
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|
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def StartBatch(self, retry): |
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"""Start a new batch of jobs. |
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|
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@param retry: whether this is a retryable batch |
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|
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""" |
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self.queued_ops = [] |
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self.queue_retry = retry |
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|
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def CommitQueue(self): |
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"""Execute all submitted opcodes in case of parallel burnin""" |
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if not self.opts.parallel or not self.queued_ops: |
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return |
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|
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if self.queue_retry: |
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rval = MAX_RETRIES |
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else: |
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rval = 0 |
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|
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try: |
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results = self.MaybeRetry(rval, "jobset", self.ExecJobSet, |
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self.queued_ops) |
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finally: |
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self.queued_ops = [] |
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return results |
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|
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def ExecJobSet(self, jobs): |
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"""Execute a set of jobs and return once all are done. |
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|
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The method will return the list of results, if all jobs are |
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successful. Otherwise, OpExecError will be raised from within |
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cli.py. |
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|
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""" |
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self.ClearFeedbackBuf() |
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jex = cli.JobExecutor(cl=self.cl, feedback_fn=self.Feedback) |
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for ops, name, _ in jobs: |
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jex.QueueJob(name, *ops) # pylint: disable=W0142 |
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try: |
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results = jex.GetResults() |
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except Exception, err: # pylint: disable=W0703 |
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Log("Jobs failed: %s", err) |
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raise BurninFailure() |
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|
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fail = False |
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val = [] |
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for (_, name, post_process), (success, result) in zip(jobs, results): |
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if success: |
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if post_process: |
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try: |
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post_process() |
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except Exception, err: # pylint: disable=W0703 |
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Log("Post process call for job %s failed: %s", name, err) |
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fail = True |
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val.append(result) |
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else: |
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fail = True |
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|
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if fail: |
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raise BurninFailure() |
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|
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return val |
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|
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def ParseOptions(self): |
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"""Parses the command line options. |
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|
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In case of command line errors, it will show the usage and exit the |
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program. |
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|
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""" |
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parser = optparse.OptionParser(usage="\n%s" % USAGE, |
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version=("%%prog (ganeti) %s" % |
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constants.RELEASE_VERSION), |
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option_list=OPTIONS) |
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|
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options, args = parser.parse_args() |
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if len(args) < 1 or options.os is None: |
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Usage() |
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|
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if options.mem_size: |
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options.maxmem_size = options.mem_size |
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options.minmem_size = options.mem_size |
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elif options.minmem_size > options.maxmem_size: |
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Err("Maximum memory lower than minimum memory") |
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|
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supported_disk_templates = (constants.DT_DISKLESS, |
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constants.DT_FILE, |
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constants.DT_SHARED_FILE, |
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constants.DT_PLAIN, |
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constants.DT_DRBD8, |
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constants.DT_RBD, |
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) |
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if options.disk_template not in supported_disk_templates: |
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Err("Unknown disk template '%s'" % options.disk_template) |
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|
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if options.disk_template == constants.DT_DISKLESS: |
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disk_size = disk_growth = [] |
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options.do_addremove_disks = False |
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else: |
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disk_size = [utils.ParseUnit(v) for v in options.disk_size.split(",")] |
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disk_growth = [utils.ParseUnit(v) |
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for v in options.disk_growth.split(",")] |
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if len(disk_growth) != len(disk_size): |
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Err("Wrong disk sizes/growth combination") |
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if ((disk_size and options.disk_template == constants.DT_DISKLESS) or |
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(not disk_size and options.disk_template != constants.DT_DISKLESS)): |
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Err("Wrong disk count/disk template combination") |
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|
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self.disk_size = disk_size |
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self.disk_growth = disk_growth |
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self.disk_count = len(disk_size) |
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|
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if options.nodes and options.iallocator: |
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Err("Give either the nodes option or the iallocator option, not both") |
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|
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if options.http_check and not options.name_check: |
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Err("Can't enable HTTP checks without name checks") |
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|
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self.opts = options |
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self.instances = args |
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self.bep = { |
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constants.BE_MINMEM: options.minmem_size, |
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constants.BE_MAXMEM: options.maxmem_size, |
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constants.BE_VCPUS: options.vcpu_count, |
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} |
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|
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self.hypervisor = None |
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self.hvp = {} |
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if options.hypervisor: |
503 |
self.hypervisor, self.hvp = options.hypervisor |
504 |
|
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if options.reboot_types is None: |
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options.reboot_types = constants.REBOOT_TYPES |
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else: |
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options.reboot_types = options.reboot_types.split(",") |
509 |
rt_diff = set(options.reboot_types).difference(constants.REBOOT_TYPES) |
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if rt_diff: |
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Err("Invalid reboot types specified: %s" % utils.CommaJoin(rt_diff)) |
512 |
|
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socket.setdefaulttimeout(options.net_timeout) |
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|
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def GetState(self): |
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"""Read the cluster state from the master daemon.""" |
517 |
if self.opts.nodes: |
518 |
names = self.opts.nodes.split(",") |
519 |
else: |
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names = [] |
521 |
try: |
522 |
op = opcodes.OpNodeQuery(output_fields=["name", "offline", "drained"], |
523 |
names=names, use_locking=True) |
524 |
result = self.ExecOp(True, op) |
525 |
except errors.GenericError, err: |
526 |
err_code, msg = cli.FormatError(err) |
527 |
Err(msg, exit_code=err_code) |
528 |
self.nodes = [data[0] for data in result if not (data[1] or data[2])] |
529 |
|
530 |
op_diagnose = opcodes.OpOsDiagnose(output_fields=["name", |
531 |
"variants", |
532 |
"hidden"], |
533 |
names=[]) |
534 |
result = self.ExecOp(True, op_diagnose) |
535 |
|
536 |
if not result: |
537 |
Err("Can't get the OS list") |
538 |
|
539 |
found = False |
540 |
for (name, variants, _) in result: |
541 |
if self.opts.os in cli.CalculateOSNames(name, variants): |
542 |
found = True |
543 |
break |
544 |
|
545 |
if not found: |
546 |
Err("OS '%s' not found" % self.opts.os) |
547 |
|
548 |
cluster_info = self.cl.QueryClusterInfo() |
549 |
self.cluster_info = cluster_info |
550 |
if not self.cluster_info: |
551 |
Err("Can't get cluster info") |
552 |
|
553 |
default_nic_params = self.cluster_info["nicparams"][constants.PP_DEFAULT] |
554 |
self.cluster_default_nicparams = default_nic_params |
555 |
if self.hypervisor is None: |
556 |
self.hypervisor = self.cluster_info["default_hypervisor"] |
557 |
self.hv_class = hypervisor.GetHypervisorClass(self.hypervisor) |
558 |
|
559 |
@_DoCheckInstances |
560 |
@_DoBatch(False) |
561 |
def BurnCreateInstances(self): |
562 |
"""Create the given instances. |
563 |
|
564 |
""" |
565 |
self.to_rem = [] |
566 |
mytor = izip(cycle(self.nodes), |
567 |
islice(cycle(self.nodes), 1, None), |
568 |
self.instances) |
569 |
|
570 |
Log("Creating instances") |
571 |
for pnode, snode, instance in mytor: |
572 |
Log("instance %s", instance, indent=1) |
573 |
if self.opts.iallocator: |
574 |
pnode = snode = None |
575 |
msg = "with iallocator %s" % self.opts.iallocator |
576 |
elif self.opts.disk_template not in constants.DTS_INT_MIRROR: |
577 |
snode = None |
578 |
msg = "on %s" % pnode |
579 |
else: |
580 |
msg = "on %s, %s" % (pnode, snode) |
581 |
|
582 |
Log(msg, indent=2) |
583 |
|
584 |
op = opcodes.OpInstanceCreate(instance_name=instance, |
585 |
disks=[{"size": size} |
586 |
for size in self.disk_size], |
587 |
disk_template=self.opts.disk_template, |
588 |
nics=self.opts.nics, |
589 |
mode=constants.INSTANCE_CREATE, |
590 |
os_type=self.opts.os, |
591 |
pnode=pnode, |
592 |
snode=snode, |
593 |
start=True, |
594 |
ip_check=self.opts.ip_check, |
595 |
name_check=self.opts.name_check, |
596 |
wait_for_sync=True, |
597 |
file_driver="loop", |
598 |
file_storage_dir=None, |
599 |
iallocator=self.opts.iallocator, |
600 |
beparams=self.bep, |
601 |
hvparams=self.hvp, |
602 |
hypervisor=self.hypervisor, |
603 |
osparams=self.opts.osparams, |
604 |
) |
605 |
remove_instance = lambda name: lambda: self.to_rem.append(name) |
606 |
self.ExecOrQueue(instance, [op], post_process=remove_instance(instance)) |
607 |
|
608 |
@_DoBatch(False) |
609 |
def BurnModifyRuntimeMemory(self): |
610 |
"""Alter the runtime memory.""" |
611 |
Log("Setting instance runtime memory") |
612 |
for instance in self.instances: |
613 |
Log("instance %s", instance, indent=1) |
614 |
tgt_mem = self.bep[constants.BE_MINMEM] |
615 |
op = opcodes.OpInstanceSetParams(instance_name=instance, |
616 |
runtime_mem=tgt_mem) |
617 |
Log("Set memory to %s MB", tgt_mem, indent=2) |
618 |
self.ExecOrQueue(instance, [op]) |
619 |
|
620 |
@_DoBatch(False) |
621 |
def BurnGrowDisks(self): |
622 |
"""Grow both the os and the swap disks by the requested amount, if any.""" |
623 |
Log("Growing disks") |
624 |
for instance in self.instances: |
625 |
Log("instance %s", instance, indent=1) |
626 |
for idx, growth in enumerate(self.disk_growth): |
627 |
if growth > 0: |
628 |
op = opcodes.OpInstanceGrowDisk(instance_name=instance, disk=idx, |
629 |
amount=growth, wait_for_sync=True) |
630 |
Log("increase disk/%s by %s MB", idx, growth, indent=2) |
631 |
self.ExecOrQueue(instance, [op]) |
632 |
|
633 |
@_DoBatch(True) |
634 |
def BurnReplaceDisks1D8(self): |
635 |
"""Replace disks on primary and secondary for drbd8.""" |
636 |
Log("Replacing disks on the same nodes") |
637 |
early_release = self.opts.early_release |
638 |
for instance in self.instances: |
639 |
Log("instance %s", instance, indent=1) |
640 |
ops = [] |
641 |
for mode in constants.REPLACE_DISK_SEC, constants.REPLACE_DISK_PRI: |
642 |
op = opcodes.OpInstanceReplaceDisks(instance_name=instance, |
643 |
mode=mode, |
644 |
disks=list(range(self.disk_count)), |
645 |
early_release=early_release) |
646 |
Log("run %s", mode, indent=2) |
647 |
ops.append(op) |
648 |
self.ExecOrQueue(instance, ops) |
649 |
|
650 |
@_DoBatch(True) |
651 |
def BurnReplaceDisks2(self): |
652 |
"""Replace secondary node.""" |
653 |
Log("Changing the secondary node") |
654 |
mode = constants.REPLACE_DISK_CHG |
655 |
|
656 |
mytor = izip(islice(cycle(self.nodes), 2, None), |
657 |
self.instances) |
658 |
for tnode, instance in mytor: |
659 |
Log("instance %s", instance, indent=1) |
660 |
if self.opts.iallocator: |
661 |
tnode = None |
662 |
msg = "with iallocator %s" % self.opts.iallocator |
663 |
else: |
664 |
msg = tnode |
665 |
op = opcodes.OpInstanceReplaceDisks(instance_name=instance, |
666 |
mode=mode, |
667 |
remote_node=tnode, |
668 |
iallocator=self.opts.iallocator, |
669 |
disks=[], |
670 |
early_release=self.opts.early_release) |
671 |
Log("run %s %s", mode, msg, indent=2) |
672 |
self.ExecOrQueue(instance, [op]) |
673 |
|
674 |
@_DoCheckInstances |
675 |
@_DoBatch(False) |
676 |
def BurnFailover(self): |
677 |
"""Failover the instances.""" |
678 |
Log("Failing over instances") |
679 |
for instance in self.instances: |
680 |
Log("instance %s", instance, indent=1) |
681 |
op = opcodes.OpInstanceFailover(instance_name=instance, |
682 |
ignore_consistency=False) |
683 |
self.ExecOrQueue(instance, [op]) |
684 |
|
685 |
@_DoCheckInstances |
686 |
@_DoBatch(False) |
687 |
def BurnMove(self): |
688 |
"""Move the instances.""" |
689 |
Log("Moving instances") |
690 |
mytor = izip(islice(cycle(self.nodes), 1, None), |
691 |
self.instances) |
692 |
for tnode, instance in mytor: |
693 |
Log("instance %s", instance, indent=1) |
694 |
op = opcodes.OpInstanceMove(instance_name=instance, |
695 |
target_node=tnode) |
696 |
self.ExecOrQueue(instance, [op]) |
697 |
|
698 |
@_DoBatch(False) |
699 |
def BurnMigrate(self): |
700 |
"""Migrate the instances.""" |
701 |
Log("Migrating instances") |
702 |
for instance in self.instances: |
703 |
Log("instance %s", instance, indent=1) |
704 |
op1 = opcodes.OpInstanceMigrate(instance_name=instance, mode=None, |
705 |
cleanup=False) |
706 |
|
707 |
op2 = opcodes.OpInstanceMigrate(instance_name=instance, mode=None, |
708 |
cleanup=True) |
709 |
Log("migration and migration cleanup", indent=2) |
710 |
self.ExecOrQueue(instance, [op1, op2]) |
711 |
|
712 |
@_DoCheckInstances |
713 |
@_DoBatch(False) |
714 |
def BurnImportExport(self): |
715 |
"""Export the instance, delete it, and import it back. |
716 |
|
717 |
""" |
718 |
Log("Exporting and re-importing instances") |
719 |
mytor = izip(cycle(self.nodes), |
720 |
islice(cycle(self.nodes), 1, None), |
721 |
islice(cycle(self.nodes), 2, None), |
722 |
self.instances) |
723 |
|
724 |
for pnode, snode, enode, instance in mytor: |
725 |
Log("instance %s", instance, indent=1) |
726 |
# read the full name of the instance |
727 |
nam_op = opcodes.OpInstanceQuery(output_fields=["name"], |
728 |
names=[instance], use_locking=True) |
729 |
full_name = self.ExecOp(False, nam_op)[0][0] |
730 |
|
731 |
if self.opts.iallocator: |
732 |
pnode = snode = None |
733 |
import_log_msg = ("import from %s" |
734 |
" with iallocator %s" % |
735 |
(enode, self.opts.iallocator)) |
736 |
elif self.opts.disk_template not in constants.DTS_INT_MIRROR: |
737 |
snode = None |
738 |
import_log_msg = ("import from %s to %s" % |
739 |
(enode, pnode)) |
740 |
else: |
741 |
import_log_msg = ("import from %s to %s, %s" % |
742 |
(enode, pnode, snode)) |
743 |
|
744 |
exp_op = opcodes.OpBackupExport(instance_name=instance, |
745 |
target_node=enode, |
746 |
mode=constants.EXPORT_MODE_LOCAL, |
747 |
shutdown=True) |
748 |
rem_op = opcodes.OpInstanceRemove(instance_name=instance, |
749 |
ignore_failures=True) |
750 |
imp_dir = utils.PathJoin(constants.EXPORT_DIR, full_name) |
751 |
imp_op = opcodes.OpInstanceCreate(instance_name=instance, |
752 |
disks=[{"size": size} |
753 |
for size in self.disk_size], |
754 |
disk_template=self.opts.disk_template, |
755 |
nics=self.opts.nics, |
756 |
mode=constants.INSTANCE_IMPORT, |
757 |
src_node=enode, |
758 |
src_path=imp_dir, |
759 |
pnode=pnode, |
760 |
snode=snode, |
761 |
start=True, |
762 |
ip_check=self.opts.ip_check, |
763 |
name_check=self.opts.name_check, |
764 |
wait_for_sync=True, |
765 |
file_storage_dir=None, |
766 |
file_driver="loop", |
767 |
iallocator=self.opts.iallocator, |
768 |
beparams=self.bep, |
769 |
hvparams=self.hvp, |
770 |
osparams=self.opts.osparams, |
771 |
) |
772 |
|
773 |
erem_op = opcodes.OpBackupRemove(instance_name=instance) |
774 |
|
775 |
Log("export to node %s", enode, indent=2) |
776 |
Log("remove instance", indent=2) |
777 |
Log(import_log_msg, indent=2) |
778 |
Log("remove export", indent=2) |
779 |
self.ExecOrQueue(instance, [exp_op, rem_op, imp_op, erem_op]) |
780 |
|
781 |
@staticmethod |
782 |
def StopInstanceOp(instance): |
783 |
"""Stop given instance.""" |
784 |
return opcodes.OpInstanceShutdown(instance_name=instance) |
785 |
|
786 |
@staticmethod |
787 |
def StartInstanceOp(instance): |
788 |
"""Start given instance.""" |
789 |
return opcodes.OpInstanceStartup(instance_name=instance, force=False) |
790 |
|
791 |
@staticmethod |
792 |
def RenameInstanceOp(instance, instance_new): |
793 |
"""Rename instance.""" |
794 |
return opcodes.OpInstanceRename(instance_name=instance, |
795 |
new_name=instance_new) |
796 |
|
797 |
@_DoCheckInstances |
798 |
@_DoBatch(True) |
799 |
def BurnStopStart(self): |
800 |
"""Stop/start the instances.""" |
801 |
Log("Stopping and starting instances") |
802 |
for instance in self.instances: |
803 |
Log("instance %s", instance, indent=1) |
804 |
op1 = self.StopInstanceOp(instance) |
805 |
op2 = self.StartInstanceOp(instance) |
806 |
self.ExecOrQueue(instance, [op1, op2]) |
807 |
|
808 |
@_DoBatch(False) |
809 |
def BurnRemove(self): |
810 |
"""Remove the instances.""" |
811 |
Log("Removing instances") |
812 |
for instance in self.to_rem: |
813 |
Log("instance %s", instance, indent=1) |
814 |
op = opcodes.OpInstanceRemove(instance_name=instance, |
815 |
ignore_failures=True) |
816 |
self.ExecOrQueue(instance, [op]) |
817 |
|
818 |
def BurnRename(self): |
819 |
"""Rename the instances. |
820 |
|
821 |
Note that this function will not execute in parallel, since we |
822 |
only have one target for rename. |
823 |
|
824 |
""" |
825 |
Log("Renaming instances") |
826 |
rename = self.opts.rename |
827 |
for instance in self.instances: |
828 |
Log("instance %s", instance, indent=1) |
829 |
op_stop1 = self.StopInstanceOp(instance) |
830 |
op_stop2 = self.StopInstanceOp(rename) |
831 |
op_rename1 = self.RenameInstanceOp(instance, rename) |
832 |
op_rename2 = self.RenameInstanceOp(rename, instance) |
833 |
op_start1 = self.StartInstanceOp(rename) |
834 |
op_start2 = self.StartInstanceOp(instance) |
835 |
self.ExecOp(False, op_stop1, op_rename1, op_start1) |
836 |
self._CheckInstanceAlive(rename) |
837 |
self.ExecOp(False, op_stop2, op_rename2, op_start2) |
838 |
self._CheckInstanceAlive(instance) |
839 |
|
840 |
@_DoCheckInstances |
841 |
@_DoBatch(True) |
842 |
def BurnReinstall(self): |
843 |
"""Reinstall the instances.""" |
844 |
Log("Reinstalling instances") |
845 |
for instance in self.instances: |
846 |
Log("instance %s", instance, indent=1) |
847 |
op1 = self.StopInstanceOp(instance) |
848 |
op2 = opcodes.OpInstanceReinstall(instance_name=instance) |
849 |
Log("reinstall without passing the OS", indent=2) |
850 |
op3 = opcodes.OpInstanceReinstall(instance_name=instance, |
851 |
os_type=self.opts.os) |
852 |
Log("reinstall specifying the OS", indent=2) |
853 |
op4 = self.StartInstanceOp(instance) |
854 |
self.ExecOrQueue(instance, [op1, op2, op3, op4]) |
855 |
|
856 |
@_DoCheckInstances |
857 |
@_DoBatch(True) |
858 |
def BurnReboot(self): |
859 |
"""Reboot the instances.""" |
860 |
Log("Rebooting instances") |
861 |
for instance in self.instances: |
862 |
Log("instance %s", instance, indent=1) |
863 |
ops = [] |
864 |
for reboot_type in self.opts.reboot_types: |
865 |
op = opcodes.OpInstanceReboot(instance_name=instance, |
866 |
reboot_type=reboot_type, |
867 |
ignore_secondaries=False) |
868 |
Log("reboot with type '%s'", reboot_type, indent=2) |
869 |
ops.append(op) |
870 |
self.ExecOrQueue(instance, ops) |
871 |
|
872 |
@_DoCheckInstances |
873 |
@_DoBatch(True) |
874 |
def BurnActivateDisks(self): |
875 |
"""Activate and deactivate disks of the instances.""" |
876 |
Log("Activating/deactivating disks") |
877 |
for instance in self.instances: |
878 |
Log("instance %s", instance, indent=1) |
879 |
op_start = self.StartInstanceOp(instance) |
880 |
op_act = opcodes.OpInstanceActivateDisks(instance_name=instance) |
881 |
op_deact = opcodes.OpInstanceDeactivateDisks(instance_name=instance) |
882 |
op_stop = self.StopInstanceOp(instance) |
883 |
Log("activate disks when online", indent=2) |
884 |
Log("activate disks when offline", indent=2) |
885 |
Log("deactivate disks (when offline)", indent=2) |
886 |
self.ExecOrQueue(instance, [op_act, op_stop, op_act, op_deact, op_start]) |
887 |
|
888 |
@_DoCheckInstances |
889 |
@_DoBatch(False) |
890 |
def BurnAddRemoveDisks(self): |
891 |
"""Add and remove an extra disk for the instances.""" |
892 |
Log("Adding and removing disks") |
893 |
for instance in self.instances: |
894 |
Log("instance %s", instance, indent=1) |
895 |
op_add = opcodes.OpInstanceSetParams(\ |
896 |
instance_name=instance, |
897 |
disks=[(constants.DDM_ADD, {"size": self.disk_size[0]})]) |
898 |
op_rem = opcodes.OpInstanceSetParams(\ |
899 |
instance_name=instance, disks=[(constants.DDM_REMOVE, {})]) |
900 |
op_stop = self.StopInstanceOp(instance) |
901 |
op_start = self.StartInstanceOp(instance) |
902 |
Log("adding a disk", indent=2) |
903 |
Log("removing last disk", indent=2) |
904 |
self.ExecOrQueue(instance, [op_add, op_stop, op_rem, op_start]) |
905 |
|
906 |
@_DoBatch(False) |
907 |
def BurnAddRemoveNICs(self): |
908 |
"""Add and remove an extra NIC for the instances.""" |
909 |
Log("Adding and removing NICs") |
910 |
for instance in self.instances: |
911 |
Log("instance %s", instance, indent=1) |
912 |
op_add = opcodes.OpInstanceSetParams(\ |
913 |
instance_name=instance, nics=[(constants.DDM_ADD, {})]) |
914 |
op_rem = opcodes.OpInstanceSetParams(\ |
915 |
instance_name=instance, nics=[(constants.DDM_REMOVE, {})]) |
916 |
Log("adding a NIC", indent=2) |
917 |
Log("removing last NIC", indent=2) |
918 |
self.ExecOrQueue(instance, [op_add, op_rem]) |
919 |
|
920 |
def ConfdCallback(self, reply): |
921 |
"""Callback for confd queries""" |
922 |
if reply.type == confd_client.UPCALL_REPLY: |
923 |
if reply.server_reply.status != constants.CONFD_REPL_STATUS_OK: |
924 |
Err("Query %s gave non-ok status %s: %s" % (reply.orig_request, |
925 |
reply.server_reply.status, |
926 |
reply.server_reply)) |
927 |
if reply.orig_request.type == constants.CONFD_REQ_PING: |
928 |
Log("Ping: OK", indent=1) |
929 |
elif reply.orig_request.type == constants.CONFD_REQ_CLUSTER_MASTER: |
930 |
if reply.server_reply.answer == self.cluster_info["master"]: |
931 |
Log("Master: OK", indent=1) |
932 |
else: |
933 |
Err("Master: wrong: %s" % reply.server_reply.answer) |
934 |
elif reply.orig_request.type == constants.CONFD_REQ_NODE_ROLE_BYNAME: |
935 |
if reply.server_reply.answer == constants.CONFD_NODE_ROLE_MASTER: |
936 |
Log("Node role for master: OK", indent=1) |
937 |
else: |
938 |
Err("Node role for master: wrong: %s" % reply.server_reply.answer) |
939 |
|
940 |
def DoConfdRequestReply(self, req): |
941 |
self.confd_counting_callback.RegisterQuery(req.rsalt) |
942 |
self.confd_client.SendRequest(req, async=False) |
943 |
while not self.confd_counting_callback.AllAnswered(): |
944 |
if not self.confd_client.ReceiveReply(): |
945 |
Err("Did not receive all expected confd replies") |
946 |
break |
947 |
|
948 |
def BurnConfd(self): |
949 |
"""Run confd queries for our instances. |
950 |
|
951 |
The following confd queries are tested: |
952 |
- CONFD_REQ_PING: simple ping |
953 |
- CONFD_REQ_CLUSTER_MASTER: cluster master |
954 |
- CONFD_REQ_NODE_ROLE_BYNAME: node role, for the master |
955 |
|
956 |
""" |
957 |
Log("Checking confd results") |
958 |
|
959 |
filter_callback = confd_client.ConfdFilterCallback(self.ConfdCallback) |
960 |
counting_callback = confd_client.ConfdCountingCallback(filter_callback) |
961 |
self.confd_counting_callback = counting_callback |
962 |
|
963 |
self.confd_client = confd_client.GetConfdClient(counting_callback) |
964 |
|
965 |
req = confd_client.ConfdClientRequest(type=constants.CONFD_REQ_PING) |
966 |
self.DoConfdRequestReply(req) |
967 |
|
968 |
req = confd_client.ConfdClientRequest( |
969 |
type=constants.CONFD_REQ_CLUSTER_MASTER) |
970 |
self.DoConfdRequestReply(req) |
971 |
|
972 |
req = confd_client.ConfdClientRequest( |
973 |
type=constants.CONFD_REQ_NODE_ROLE_BYNAME, |
974 |
query=self.cluster_info["master"]) |
975 |
self.DoConfdRequestReply(req) |
976 |
|
977 |
def _CheckInstanceAlive(self, instance): |
978 |
"""Check if an instance is alive by doing http checks. |
979 |
|
980 |
This will try to retrieve the url on the instance /hostname.txt |
981 |
and check that it contains the hostname of the instance. In case |
982 |
we get ECONNREFUSED, we retry up to the net timeout seconds, for |
983 |
any other error we abort. |
984 |
|
985 |
""" |
986 |
if not self.opts.http_check: |
987 |
return |
988 |
end_time = time.time() + self.opts.net_timeout |
989 |
url = None |
990 |
while time.time() < end_time and url is None: |
991 |
try: |
992 |
url = self.url_opener.open("http://%s/hostname.txt" % instance) |
993 |
except IOError: |
994 |
# here we can have connection refused, no route to host, etc. |
995 |
time.sleep(1) |
996 |
if url is None: |
997 |
raise InstanceDown(instance, "Cannot contact instance") |
998 |
hostname = url.read().strip() |
999 |
url.close() |
1000 |
if hostname != instance: |
1001 |
raise InstanceDown(instance, ("Hostname mismatch, expected %s, got %s" % |
1002 |
(instance, hostname))) |
1003 |
|
1004 |
def BurninCluster(self): |
1005 |
"""Test a cluster intensively. |
1006 |
|
1007 |
This will create instances and then start/stop/failover them. |
1008 |
It is safe for existing instances but could impact performance. |
1009 |
|
1010 |
""" |
1011 |
|
1012 |
opts = self.opts |
1013 |
|
1014 |
Log("Testing global parameters") |
1015 |
|
1016 |
if (len(self.nodes) == 1 and |
1017 |
opts.disk_template not in (constants.DT_DISKLESS, constants.DT_PLAIN, |
1018 |
constants.DT_FILE, |
1019 |
constants.DT_SHARED_FILE)): |
1020 |
Err("When one node is available/selected the disk template must" |
1021 |
" be 'diskless', 'file' or 'plain'") |
1022 |
|
1023 |
if opts.do_confd_tests and not constants.ENABLE_CONFD: |
1024 |
Err("You selected confd tests but confd was disabled at configure time") |
1025 |
|
1026 |
has_err = True |
1027 |
try: |
1028 |
self.BurnCreateInstances() |
1029 |
|
1030 |
if self.bep[constants.BE_MINMEM] < self.bep[constants.BE_MAXMEM]: |
1031 |
self.BurnModifyRuntimeMemory() |
1032 |
|
1033 |
if opts.do_replace1 and opts.disk_template in constants.DTS_INT_MIRROR: |
1034 |
self.BurnReplaceDisks1D8() |
1035 |
if (opts.do_replace2 and len(self.nodes) > 2 and |
1036 |
opts.disk_template in constants.DTS_INT_MIRROR): |
1037 |
self.BurnReplaceDisks2() |
1038 |
|
1039 |
if (opts.disk_template in constants.DTS_GROWABLE and |
1040 |
compat.any(n > 0 for n in self.disk_growth)): |
1041 |
self.BurnGrowDisks() |
1042 |
|
1043 |
if opts.do_failover and opts.disk_template in constants.DTS_MIRRORED: |
1044 |
self.BurnFailover() |
1045 |
|
1046 |
if opts.do_migrate: |
1047 |
if opts.disk_template not in constants.DTS_MIRRORED: |
1048 |
Log("Skipping migration (disk template %s does not support it)", |
1049 |
opts.disk_template) |
1050 |
elif not self.hv_class.CAN_MIGRATE: |
1051 |
Log("Skipping migration (hypervisor %s does not support it)", |
1052 |
self.hypervisor) |
1053 |
else: |
1054 |
self.BurnMigrate() |
1055 |
|
1056 |
if (opts.do_move and len(self.nodes) > 1 and |
1057 |
opts.disk_template in [constants.DT_PLAIN, constants.DT_FILE]): |
1058 |
self.BurnMove() |
1059 |
|
1060 |
if (opts.do_importexport and |
1061 |
opts.disk_template not in (constants.DT_DISKLESS, |
1062 |
constants.DT_SHARED_FILE, |
1063 |
constants.DT_FILE)): |
1064 |
self.BurnImportExport() |
1065 |
|
1066 |
if opts.do_reinstall: |
1067 |
self.BurnReinstall() |
1068 |
|
1069 |
if opts.do_reboot: |
1070 |
self.BurnReboot() |
1071 |
|
1072 |
if opts.do_addremove_disks: |
1073 |
self.BurnAddRemoveDisks() |
1074 |
|
1075 |
default_nic_mode = self.cluster_default_nicparams[constants.NIC_MODE] |
1076 |
# Don't add/remove nics in routed mode, as we would need an ip to add |
1077 |
# them with |
1078 |
if opts.do_addremove_nics: |
1079 |
if default_nic_mode == constants.NIC_MODE_BRIDGED: |
1080 |
self.BurnAddRemoveNICs() |
1081 |
else: |
1082 |
Log("Skipping nic add/remove as the cluster is not in bridged mode") |
1083 |
|
1084 |
if opts.do_activate_disks: |
1085 |
self.BurnActivateDisks() |
1086 |
|
1087 |
if opts.rename: |
1088 |
self.BurnRename() |
1089 |
|
1090 |
if opts.do_confd_tests: |
1091 |
self.BurnConfd() |
1092 |
|
1093 |
if opts.do_startstop: |
1094 |
self.BurnStopStart() |
1095 |
|
1096 |
has_err = False |
1097 |
finally: |
1098 |
if has_err: |
1099 |
Log("Error detected: opcode buffer follows:\n\n") |
1100 |
Log(self.GetFeedbackBuf()) |
1101 |
Log("\n\n") |
1102 |
if not self.opts.keep_instances: |
1103 |
try: |
1104 |
self.BurnRemove() |
1105 |
except Exception, err: # pylint: disable=W0703 |
1106 |
if has_err: # already detected errors, so errors in removal |
1107 |
# are quite expected |
1108 |
Log("Note: error detected during instance remove: %s", err) |
1109 |
else: # non-expected error |
1110 |
raise |
1111 |
|
1112 |
return constants.EXIT_SUCCESS |
1113 |
|
1114 |
|
1115 |
def main(): |
1116 |
"""Main function. |
1117 |
|
1118 |
""" |
1119 |
utils.SetupLogging(constants.LOG_BURNIN, sys.argv[0], |
1120 |
debug=False, stderr_logging=True) |
1121 |
|
1122 |
return Burner().BurninCluster() |
1123 |
|
1124 |
|
1125 |
if __name__ == "__main__": |
1126 |
main() |