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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, 2012 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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from ganeti import pathutils |
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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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#: Disk templates supporting a single node |
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_SINGLE_NODE_DISK_TEMPLATES = compat.UniqueFrozenset([ |
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constants.DT_DISKLESS, |
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constants.DT_PLAIN, |
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constants.DT_FILE, |
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constants.DT_SHARED_FILE, |
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constants.DT_EXT, |
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constants.DT_RBD, |
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]) |
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|
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_SUPPORTED_DISK_TEMPLATES = compat.UniqueFrozenset([ |
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constants.DT_DISKLESS, |
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constants.DT_DRBD8, |
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constants.DT_EXT, |
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constants.DT_FILE, |
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constants.DT_PLAIN, |
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constants.DT_RBD, |
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constants.DT_SHARED_FILE, |
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]) |
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|
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#: Disk templates for which import/export is tested |
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_IMPEXP_DISK_TEMPLATES = (_SUPPORTED_DISK_TEMPLATES - frozenset([ |
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constants.DT_DISKLESS, |
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constants.DT_FILE, |
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constants.DT_SHARED_FILE, |
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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("--no-renamesame", dest="do_renamesame", |
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help="Skip instance rename to same name", 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(_SUPPORTED_DISK_TEMPLATES), |
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default=constants.DT_DRBD8, |
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help=("Disk template (default %s, otherwise one of %s)" % |
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(constants.DT_DRBD8, |
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utils.CommaJoin(_SUPPORTED_DISK_TEMPLATES)))), |
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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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if options.disk_template not in _SUPPORTED_DISK_TEMPLATES: |
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Err("Unknown or unsupported 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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} |
524 |
|
525 |
self.hypervisor = None |
526 |
self.hvp = {} |
527 |
if options.hypervisor: |
528 |
self.hypervisor, self.hvp = options.hypervisor |
529 |
|
530 |
if options.reboot_types is None: |
531 |
options.reboot_types = constants.REBOOT_TYPES |
532 |
else: |
533 |
options.reboot_types = options.reboot_types.split(",") |
534 |
rt_diff = set(options.reboot_types).difference(constants.REBOOT_TYPES) |
535 |
if rt_diff: |
536 |
Err("Invalid reboot types specified: %s" % utils.CommaJoin(rt_diff)) |
537 |
|
538 |
socket.setdefaulttimeout(options.net_timeout) |
539 |
|
540 |
def GetState(self): |
541 |
"""Read the cluster state from the master daemon.""" |
542 |
if self.opts.nodes: |
543 |
names = self.opts.nodes.split(",") |
544 |
else: |
545 |
names = [] |
546 |
try: |
547 |
op = opcodes.OpNodeQuery(output_fields=["name", "offline", "drained"], |
548 |
names=names, use_locking=True) |
549 |
result = self.ExecOp(True, op) |
550 |
except errors.GenericError, err: |
551 |
err_code, msg = cli.FormatError(err) |
552 |
Err(msg, exit_code=err_code) |
553 |
self.nodes = [data[0] for data in result if not (data[1] or data[2])] |
554 |
|
555 |
op_diagnose = opcodes.OpOsDiagnose(output_fields=["name", |
556 |
"variants", |
557 |
"hidden"], |
558 |
names=[]) |
559 |
result = self.ExecOp(True, op_diagnose) |
560 |
|
561 |
if not result: |
562 |
Err("Can't get the OS list") |
563 |
|
564 |
found = False |
565 |
for (name, variants, _) in result: |
566 |
if self.opts.os in cli.CalculateOSNames(name, variants): |
567 |
found = True |
568 |
break |
569 |
|
570 |
if not found: |
571 |
Err("OS '%s' not found" % self.opts.os) |
572 |
|
573 |
cluster_info = self.cl.QueryClusterInfo() |
574 |
self.cluster_info = cluster_info |
575 |
if not self.cluster_info: |
576 |
Err("Can't get cluster info") |
577 |
|
578 |
default_nic_params = self.cluster_info["nicparams"][constants.PP_DEFAULT] |
579 |
self.cluster_default_nicparams = default_nic_params |
580 |
if self.hypervisor is None: |
581 |
self.hypervisor = self.cluster_info["default_hypervisor"] |
582 |
self.hv_class = hypervisor.GetHypervisorClass(self.hypervisor) |
583 |
|
584 |
@_DoCheckInstances |
585 |
@_DoBatch(False) |
586 |
def BurnCreateInstances(self): |
587 |
"""Create the given instances. |
588 |
|
589 |
""" |
590 |
self.to_rem = [] |
591 |
mytor = izip(cycle(self.nodes), |
592 |
islice(cycle(self.nodes), 1, None), |
593 |
self.instances) |
594 |
|
595 |
Log("Creating instances") |
596 |
for pnode, snode, instance in mytor: |
597 |
Log("instance %s", instance, indent=1) |
598 |
if self.opts.iallocator: |
599 |
pnode = snode = None |
600 |
msg = "with iallocator %s" % self.opts.iallocator |
601 |
elif self.opts.disk_template not in constants.DTS_INT_MIRROR: |
602 |
snode = None |
603 |
msg = "on %s" % pnode |
604 |
else: |
605 |
msg = "on %s, %s" % (pnode, snode) |
606 |
|
607 |
Log(msg, indent=2) |
608 |
|
609 |
op = opcodes.OpInstanceCreate(instance_name=instance, |
610 |
disks=[{"size": size} |
611 |
for size in self.disk_size], |
612 |
disk_template=self.opts.disk_template, |
613 |
nics=self.opts.nics, |
614 |
mode=constants.INSTANCE_CREATE, |
615 |
os_type=self.opts.os, |
616 |
pnode=pnode, |
617 |
snode=snode, |
618 |
start=True, |
619 |
ip_check=self.opts.ip_check, |
620 |
name_check=self.opts.name_check, |
621 |
wait_for_sync=True, |
622 |
file_driver="loop", |
623 |
file_storage_dir=None, |
624 |
iallocator=self.opts.iallocator, |
625 |
beparams=self.bep, |
626 |
hvparams=self.hvp, |
627 |
hypervisor=self.hypervisor, |
628 |
osparams=self.opts.osparams, |
629 |
) |
630 |
remove_instance = lambda name: lambda: self.to_rem.append(name) |
631 |
self.ExecOrQueue(instance, [op], post_process=remove_instance(instance)) |
632 |
|
633 |
@_DoBatch(False) |
634 |
def BurnModifyRuntimeMemory(self): |
635 |
"""Alter the runtime memory.""" |
636 |
Log("Setting instance runtime memory") |
637 |
for instance in self.instances: |
638 |
Log("instance %s", instance, indent=1) |
639 |
tgt_mem = self.bep[constants.BE_MINMEM] |
640 |
op = opcodes.OpInstanceSetParams(instance_name=instance, |
641 |
runtime_mem=tgt_mem) |
642 |
Log("Set memory to %s MB", tgt_mem, indent=2) |
643 |
self.ExecOrQueue(instance, [op]) |
644 |
|
645 |
@_DoBatch(False) |
646 |
def BurnGrowDisks(self): |
647 |
"""Grow both the os and the swap disks by the requested amount, if any.""" |
648 |
Log("Growing disks") |
649 |
for instance in self.instances: |
650 |
Log("instance %s", instance, indent=1) |
651 |
for idx, growth in enumerate(self.disk_growth): |
652 |
if growth > 0: |
653 |
op = opcodes.OpInstanceGrowDisk(instance_name=instance, disk=idx, |
654 |
amount=growth, wait_for_sync=True) |
655 |
Log("increase disk/%s by %s MB", idx, growth, indent=2) |
656 |
self.ExecOrQueue(instance, [op]) |
657 |
|
658 |
@_DoBatch(True) |
659 |
def BurnReplaceDisks1D8(self): |
660 |
"""Replace disks on primary and secondary for drbd8.""" |
661 |
Log("Replacing disks on the same nodes") |
662 |
early_release = self.opts.early_release |
663 |
for instance in self.instances: |
664 |
Log("instance %s", instance, indent=1) |
665 |
ops = [] |
666 |
for mode in constants.REPLACE_DISK_SEC, constants.REPLACE_DISK_PRI: |
667 |
op = opcodes.OpInstanceReplaceDisks(instance_name=instance, |
668 |
mode=mode, |
669 |
disks=list(range(self.disk_count)), |
670 |
early_release=early_release) |
671 |
Log("run %s", mode, indent=2) |
672 |
ops.append(op) |
673 |
self.ExecOrQueue(instance, ops) |
674 |
|
675 |
@_DoBatch(True) |
676 |
def BurnReplaceDisks2(self): |
677 |
"""Replace secondary node.""" |
678 |
Log("Changing the secondary node") |
679 |
mode = constants.REPLACE_DISK_CHG |
680 |
|
681 |
mytor = izip(islice(cycle(self.nodes), 2, None), |
682 |
self.instances) |
683 |
for tnode, instance in mytor: |
684 |
Log("instance %s", instance, indent=1) |
685 |
if self.opts.iallocator: |
686 |
tnode = None |
687 |
msg = "with iallocator %s" % self.opts.iallocator |
688 |
else: |
689 |
msg = tnode |
690 |
op = opcodes.OpInstanceReplaceDisks(instance_name=instance, |
691 |
mode=mode, |
692 |
remote_node=tnode, |
693 |
iallocator=self.opts.iallocator, |
694 |
disks=[], |
695 |
early_release=self.opts.early_release) |
696 |
Log("run %s %s", mode, msg, indent=2) |
697 |
self.ExecOrQueue(instance, [op]) |
698 |
|
699 |
@_DoCheckInstances |
700 |
@_DoBatch(False) |
701 |
def BurnFailover(self): |
702 |
"""Failover the instances.""" |
703 |
Log("Failing over instances") |
704 |
for instance in self.instances: |
705 |
Log("instance %s", instance, indent=1) |
706 |
op = opcodes.OpInstanceFailover(instance_name=instance, |
707 |
ignore_consistency=False) |
708 |
self.ExecOrQueue(instance, [op]) |
709 |
|
710 |
@_DoCheckInstances |
711 |
@_DoBatch(False) |
712 |
def BurnMove(self): |
713 |
"""Move the instances.""" |
714 |
Log("Moving instances") |
715 |
mytor = izip(islice(cycle(self.nodes), 1, None), |
716 |
self.instances) |
717 |
for tnode, instance in mytor: |
718 |
Log("instance %s", instance, indent=1) |
719 |
op = opcodes.OpInstanceMove(instance_name=instance, |
720 |
target_node=tnode) |
721 |
self.ExecOrQueue(instance, [op]) |
722 |
|
723 |
@_DoBatch(False) |
724 |
def BurnMigrate(self): |
725 |
"""Migrate the instances.""" |
726 |
Log("Migrating instances") |
727 |
for instance in self.instances: |
728 |
Log("instance %s", instance, indent=1) |
729 |
op1 = opcodes.OpInstanceMigrate(instance_name=instance, mode=None, |
730 |
cleanup=False) |
731 |
|
732 |
op2 = opcodes.OpInstanceMigrate(instance_name=instance, mode=None, |
733 |
cleanup=True) |
734 |
Log("migration and migration cleanup", indent=2) |
735 |
self.ExecOrQueue(instance, [op1, op2]) |
736 |
|
737 |
@_DoCheckInstances |
738 |
@_DoBatch(False) |
739 |
def BurnImportExport(self): |
740 |
"""Export the instance, delete it, and import it back. |
741 |
|
742 |
""" |
743 |
Log("Exporting and re-importing instances") |
744 |
mytor = izip(cycle(self.nodes), |
745 |
islice(cycle(self.nodes), 1, None), |
746 |
islice(cycle(self.nodes), 2, None), |
747 |
self.instances) |
748 |
|
749 |
for pnode, snode, enode, instance in mytor: |
750 |
Log("instance %s", instance, indent=1) |
751 |
# read the full name of the instance |
752 |
nam_op = opcodes.OpInstanceQuery(output_fields=["name"], |
753 |
names=[instance], use_locking=True) |
754 |
full_name = self.ExecOp(False, nam_op)[0][0] |
755 |
|
756 |
if self.opts.iallocator: |
757 |
pnode = snode = None |
758 |
import_log_msg = ("import from %s" |
759 |
" with iallocator %s" % |
760 |
(enode, self.opts.iallocator)) |
761 |
elif self.opts.disk_template not in constants.DTS_INT_MIRROR: |
762 |
snode = None |
763 |
import_log_msg = ("import from %s to %s" % |
764 |
(enode, pnode)) |
765 |
else: |
766 |
import_log_msg = ("import from %s to %s, %s" % |
767 |
(enode, pnode, snode)) |
768 |
|
769 |
exp_op = opcodes.OpBackupExport(instance_name=instance, |
770 |
target_node=enode, |
771 |
mode=constants.EXPORT_MODE_LOCAL, |
772 |
shutdown=True) |
773 |
rem_op = opcodes.OpInstanceRemove(instance_name=instance, |
774 |
ignore_failures=True) |
775 |
imp_dir = utils.PathJoin(pathutils.EXPORT_DIR, full_name) |
776 |
imp_op = opcodes.OpInstanceCreate(instance_name=instance, |
777 |
disks=[{"size": size} |
778 |
for size in self.disk_size], |
779 |
disk_template=self.opts.disk_template, |
780 |
nics=self.opts.nics, |
781 |
mode=constants.INSTANCE_IMPORT, |
782 |
src_node=enode, |
783 |
src_path=imp_dir, |
784 |
pnode=pnode, |
785 |
snode=snode, |
786 |
start=True, |
787 |
ip_check=self.opts.ip_check, |
788 |
name_check=self.opts.name_check, |
789 |
wait_for_sync=True, |
790 |
file_storage_dir=None, |
791 |
file_driver="loop", |
792 |
iallocator=self.opts.iallocator, |
793 |
beparams=self.bep, |
794 |
hvparams=self.hvp, |
795 |
osparams=self.opts.osparams, |
796 |
) |
797 |
|
798 |
erem_op = opcodes.OpBackupRemove(instance_name=instance) |
799 |
|
800 |
Log("export to node %s", enode, indent=2) |
801 |
Log("remove instance", indent=2) |
802 |
Log(import_log_msg, indent=2) |
803 |
Log("remove export", indent=2) |
804 |
self.ExecOrQueue(instance, [exp_op, rem_op, imp_op, erem_op]) |
805 |
|
806 |
@staticmethod |
807 |
def StopInstanceOp(instance): |
808 |
"""Stop given instance.""" |
809 |
return opcodes.OpInstanceShutdown(instance_name=instance) |
810 |
|
811 |
@staticmethod |
812 |
def StartInstanceOp(instance): |
813 |
"""Start given instance.""" |
814 |
return opcodes.OpInstanceStartup(instance_name=instance, force=False) |
815 |
|
816 |
@staticmethod |
817 |
def RenameInstanceOp(instance, instance_new): |
818 |
"""Rename instance.""" |
819 |
return opcodes.OpInstanceRename(instance_name=instance, |
820 |
new_name=instance_new) |
821 |
|
822 |
@_DoCheckInstances |
823 |
@_DoBatch(True) |
824 |
def BurnStopStart(self): |
825 |
"""Stop/start the instances.""" |
826 |
Log("Stopping and starting instances") |
827 |
for instance in self.instances: |
828 |
Log("instance %s", instance, indent=1) |
829 |
op1 = self.StopInstanceOp(instance) |
830 |
op2 = self.StartInstanceOp(instance) |
831 |
self.ExecOrQueue(instance, [op1, op2]) |
832 |
|
833 |
@_DoBatch(False) |
834 |
def BurnRemove(self): |
835 |
"""Remove the instances.""" |
836 |
Log("Removing instances") |
837 |
for instance in self.to_rem: |
838 |
Log("instance %s", instance, indent=1) |
839 |
op = opcodes.OpInstanceRemove(instance_name=instance, |
840 |
ignore_failures=True) |
841 |
self.ExecOrQueue(instance, [op]) |
842 |
|
843 |
def BurnRename(self): |
844 |
"""Rename the instances. |
845 |
|
846 |
Note that this function will not execute in parallel, since we |
847 |
only have one target for rename. |
848 |
|
849 |
""" |
850 |
Log("Renaming instances") |
851 |
rename = self.opts.rename |
852 |
for instance in self.instances: |
853 |
Log("instance %s", instance, indent=1) |
854 |
op_stop1 = self.StopInstanceOp(instance) |
855 |
op_stop2 = self.StopInstanceOp(rename) |
856 |
op_rename1 = self.RenameInstanceOp(instance, rename) |
857 |
op_rename2 = self.RenameInstanceOp(rename, instance) |
858 |
op_start1 = self.StartInstanceOp(rename) |
859 |
op_start2 = self.StartInstanceOp(instance) |
860 |
self.ExecOp(False, op_stop1, op_rename1, op_start1) |
861 |
self._CheckInstanceAlive(rename) |
862 |
self.ExecOp(False, op_stop2, op_rename2, op_start2) |
863 |
self._CheckInstanceAlive(instance) |
864 |
|
865 |
@_DoCheckInstances |
866 |
@_DoBatch(True) |
867 |
def BurnReinstall(self): |
868 |
"""Reinstall the instances.""" |
869 |
Log("Reinstalling instances") |
870 |
for instance in self.instances: |
871 |
Log("instance %s", instance, indent=1) |
872 |
op1 = self.StopInstanceOp(instance) |
873 |
op2 = opcodes.OpInstanceReinstall(instance_name=instance) |
874 |
Log("reinstall without passing the OS", indent=2) |
875 |
op3 = opcodes.OpInstanceReinstall(instance_name=instance, |
876 |
os_type=self.opts.os) |
877 |
Log("reinstall specifying the OS", indent=2) |
878 |
op4 = self.StartInstanceOp(instance) |
879 |
self.ExecOrQueue(instance, [op1, op2, op3, op4]) |
880 |
|
881 |
@_DoCheckInstances |
882 |
@_DoBatch(True) |
883 |
def BurnReboot(self): |
884 |
"""Reboot the instances.""" |
885 |
Log("Rebooting instances") |
886 |
for instance in self.instances: |
887 |
Log("instance %s", instance, indent=1) |
888 |
ops = [] |
889 |
for reboot_type in self.opts.reboot_types: |
890 |
op = opcodes.OpInstanceReboot(instance_name=instance, |
891 |
reboot_type=reboot_type, |
892 |
ignore_secondaries=False) |
893 |
Log("reboot with type '%s'", reboot_type, indent=2) |
894 |
ops.append(op) |
895 |
self.ExecOrQueue(instance, ops) |
896 |
|
897 |
@_DoCheckInstances |
898 |
@_DoBatch(True) |
899 |
def BurnRenameSame(self): |
900 |
"""Rename the instances to their own name.""" |
901 |
Log("Renaming the instances to their own name") |
902 |
for instance in self.instances: |
903 |
Log("instance %s", instance, indent=1) |
904 |
op1 = self.StopInstanceOp(instance) |
905 |
op2 = self.RenameInstanceOp(instance, instance) |
906 |
Log("rename to the same name", indent=2) |
907 |
op4 = self.StartInstanceOp(instance) |
908 |
self.ExecOrQueue(instance, [op1, op2, op4]) |
909 |
|
910 |
@_DoCheckInstances |
911 |
@_DoBatch(True) |
912 |
def BurnActivateDisks(self): |
913 |
"""Activate and deactivate disks of the instances.""" |
914 |
Log("Activating/deactivating disks") |
915 |
for instance in self.instances: |
916 |
Log("instance %s", instance, indent=1) |
917 |
op_start = self.StartInstanceOp(instance) |
918 |
op_act = opcodes.OpInstanceActivateDisks(instance_name=instance) |
919 |
op_deact = opcodes.OpInstanceDeactivateDisks(instance_name=instance) |
920 |
op_stop = self.StopInstanceOp(instance) |
921 |
Log("activate disks when online", indent=2) |
922 |
Log("activate disks when offline", indent=2) |
923 |
Log("deactivate disks (when offline)", indent=2) |
924 |
self.ExecOrQueue(instance, [op_act, op_stop, op_act, op_deact, op_start]) |
925 |
|
926 |
@_DoCheckInstances |
927 |
@_DoBatch(False) |
928 |
def BurnAddRemoveDisks(self): |
929 |
"""Add and remove an extra disk for the instances.""" |
930 |
Log("Adding and removing disks") |
931 |
for instance in self.instances: |
932 |
Log("instance %s", instance, indent=1) |
933 |
op_add = opcodes.OpInstanceSetParams( |
934 |
instance_name=instance, |
935 |
disks=[(constants.DDM_ADD, {"size": self.disk_size[0]})]) |
936 |
op_rem = opcodes.OpInstanceSetParams( |
937 |
instance_name=instance, disks=[(constants.DDM_REMOVE, {})]) |
938 |
op_stop = self.StopInstanceOp(instance) |
939 |
op_start = self.StartInstanceOp(instance) |
940 |
Log("adding a disk", indent=2) |
941 |
Log("removing last disk", indent=2) |
942 |
self.ExecOrQueue(instance, [op_add, op_stop, op_rem, op_start]) |
943 |
|
944 |
@_DoBatch(False) |
945 |
def BurnAddRemoveNICs(self): |
946 |
"""Add, change and remove an extra NIC for the instances.""" |
947 |
Log("Adding and removing NICs") |
948 |
for instance in self.instances: |
949 |
Log("instance %s", instance, indent=1) |
950 |
op_add = opcodes.OpInstanceSetParams( |
951 |
instance_name=instance, nics=[(constants.DDM_ADD, {})]) |
952 |
op_chg = opcodes.OpInstanceSetParams( |
953 |
instance_name=instance, nics=[(constants.DDM_MODIFY, |
954 |
-1, {"mac": constants.VALUE_GENERATE})]) |
955 |
op_rem = opcodes.OpInstanceSetParams( |
956 |
instance_name=instance, nics=[(constants.DDM_REMOVE, {})]) |
957 |
Log("adding a NIC", indent=2) |
958 |
Log("changing a NIC", indent=2) |
959 |
Log("removing last NIC", indent=2) |
960 |
self.ExecOrQueue(instance, [op_add, op_chg, op_rem]) |
961 |
|
962 |
def ConfdCallback(self, reply): |
963 |
"""Callback for confd queries""" |
964 |
if reply.type == confd_client.UPCALL_REPLY: |
965 |
if reply.server_reply.status != constants.CONFD_REPL_STATUS_OK: |
966 |
Err("Query %s gave non-ok status %s: %s" % (reply.orig_request, |
967 |
reply.server_reply.status, |
968 |
reply.server_reply)) |
969 |
if reply.orig_request.type == constants.CONFD_REQ_PING: |
970 |
Log("Ping: OK", indent=1) |
971 |
elif reply.orig_request.type == constants.CONFD_REQ_CLUSTER_MASTER: |
972 |
if reply.server_reply.answer == self.cluster_info["master"]: |
973 |
Log("Master: OK", indent=1) |
974 |
else: |
975 |
Err("Master: wrong: %s" % reply.server_reply.answer) |
976 |
elif reply.orig_request.type == constants.CONFD_REQ_NODE_ROLE_BYNAME: |
977 |
if reply.server_reply.answer == constants.CONFD_NODE_ROLE_MASTER: |
978 |
Log("Node role for master: OK", indent=1) |
979 |
else: |
980 |
Err("Node role for master: wrong: %s" % reply.server_reply.answer) |
981 |
|
982 |
def DoConfdRequestReply(self, req): |
983 |
self.confd_counting_callback.RegisterQuery(req.rsalt) |
984 |
self.confd_client.SendRequest(req, async=False) |
985 |
while not self.confd_counting_callback.AllAnswered(): |
986 |
if not self.confd_client.ReceiveReply(): |
987 |
Err("Did not receive all expected confd replies") |
988 |
break |
989 |
|
990 |
def BurnConfd(self): |
991 |
"""Run confd queries for our instances. |
992 |
|
993 |
The following confd queries are tested: |
994 |
- CONFD_REQ_PING: simple ping |
995 |
- CONFD_REQ_CLUSTER_MASTER: cluster master |
996 |
- CONFD_REQ_NODE_ROLE_BYNAME: node role, for the master |
997 |
|
998 |
""" |
999 |
Log("Checking confd results") |
1000 |
|
1001 |
filter_callback = confd_client.ConfdFilterCallback(self.ConfdCallback) |
1002 |
counting_callback = confd_client.ConfdCountingCallback(filter_callback) |
1003 |
self.confd_counting_callback = counting_callback |
1004 |
|
1005 |
self.confd_client = confd_client.GetConfdClient(counting_callback) |
1006 |
|
1007 |
req = confd_client.ConfdClientRequest(type=constants.CONFD_REQ_PING) |
1008 |
self.DoConfdRequestReply(req) |
1009 |
|
1010 |
req = confd_client.ConfdClientRequest( |
1011 |
type=constants.CONFD_REQ_CLUSTER_MASTER) |
1012 |
self.DoConfdRequestReply(req) |
1013 |
|
1014 |
req = confd_client.ConfdClientRequest( |
1015 |
type=constants.CONFD_REQ_NODE_ROLE_BYNAME, |
1016 |
query=self.cluster_info["master"]) |
1017 |
self.DoConfdRequestReply(req) |
1018 |
|
1019 |
def _CheckInstanceAlive(self, instance): |
1020 |
"""Check if an instance is alive by doing http checks. |
1021 |
|
1022 |
This will try to retrieve the url on the instance /hostname.txt |
1023 |
and check that it contains the hostname of the instance. In case |
1024 |
we get ECONNREFUSED, we retry up to the net timeout seconds, for |
1025 |
any other error we abort. |
1026 |
|
1027 |
""" |
1028 |
if not self.opts.http_check: |
1029 |
return |
1030 |
end_time = time.time() + self.opts.net_timeout |
1031 |
url = None |
1032 |
while time.time() < end_time and url is None: |
1033 |
try: |
1034 |
url = self.url_opener.open("http://%s/hostname.txt" % instance) |
1035 |
except IOError: |
1036 |
# here we can have connection refused, no route to host, etc. |
1037 |
time.sleep(1) |
1038 |
if url is None: |
1039 |
raise InstanceDown(instance, "Cannot contact instance") |
1040 |
hostname = url.read().strip() |
1041 |
url.close() |
1042 |
if hostname != instance: |
1043 |
raise InstanceDown(instance, ("Hostname mismatch, expected %s, got %s" % |
1044 |
(instance, hostname))) |
1045 |
|
1046 |
def BurninCluster(self): |
1047 |
"""Test a cluster intensively. |
1048 |
|
1049 |
This will create instances and then start/stop/failover them. |
1050 |
It is safe for existing instances but could impact performance. |
1051 |
|
1052 |
""" |
1053 |
|
1054 |
opts = self.opts |
1055 |
|
1056 |
Log("Testing global parameters") |
1057 |
|
1058 |
if (len(self.nodes) == 1 and |
1059 |
opts.disk_template not in _SINGLE_NODE_DISK_TEMPLATES): |
1060 |
Err("When one node is available/selected the disk template must" |
1061 |
" be one of %s" % utils.CommaJoin(_SINGLE_NODE_DISK_TEMPLATES)) |
1062 |
|
1063 |
if opts.do_confd_tests and not constants.ENABLE_CONFD: |
1064 |
Err("You selected confd tests but confd was disabled at configure time") |
1065 |
|
1066 |
has_err = True |
1067 |
try: |
1068 |
self.BurnCreateInstances() |
1069 |
|
1070 |
if self.bep[constants.BE_MINMEM] < self.bep[constants.BE_MAXMEM]: |
1071 |
self.BurnModifyRuntimeMemory() |
1072 |
|
1073 |
if opts.do_replace1 and opts.disk_template in constants.DTS_INT_MIRROR: |
1074 |
self.BurnReplaceDisks1D8() |
1075 |
if (opts.do_replace2 and len(self.nodes) > 2 and |
1076 |
opts.disk_template in constants.DTS_INT_MIRROR): |
1077 |
self.BurnReplaceDisks2() |
1078 |
|
1079 |
if (opts.disk_template in constants.DTS_GROWABLE and |
1080 |
compat.any(n > 0 for n in self.disk_growth)): |
1081 |
self.BurnGrowDisks() |
1082 |
|
1083 |
if opts.do_failover and opts.disk_template in constants.DTS_MIRRORED: |
1084 |
self.BurnFailover() |
1085 |
|
1086 |
if opts.do_migrate: |
1087 |
if opts.disk_template not in constants.DTS_MIRRORED: |
1088 |
Log("Skipping migration (disk template %s does not support it)", |
1089 |
opts.disk_template) |
1090 |
elif not self.hv_class.CAN_MIGRATE: |
1091 |
Log("Skipping migration (hypervisor %s does not support it)", |
1092 |
self.hypervisor) |
1093 |
else: |
1094 |
self.BurnMigrate() |
1095 |
|
1096 |
if (opts.do_move and len(self.nodes) > 1 and |
1097 |
opts.disk_template in [constants.DT_PLAIN, constants.DT_FILE]): |
1098 |
self.BurnMove() |
1099 |
|
1100 |
if (opts.do_importexport and |
1101 |
opts.disk_template in _IMPEXP_DISK_TEMPLATES): |
1102 |
self.BurnImportExport() |
1103 |
|
1104 |
if opts.do_reinstall: |
1105 |
self.BurnReinstall() |
1106 |
|
1107 |
if opts.do_reboot: |
1108 |
self.BurnReboot() |
1109 |
|
1110 |
if opts.do_renamesame: |
1111 |
self.BurnRenameSame() |
1112 |
|
1113 |
if opts.do_addremove_disks: |
1114 |
self.BurnAddRemoveDisks() |
1115 |
|
1116 |
default_nic_mode = self.cluster_default_nicparams[constants.NIC_MODE] |
1117 |
# Don't add/remove nics in routed mode, as we would need an ip to add |
1118 |
# them with |
1119 |
if opts.do_addremove_nics: |
1120 |
if default_nic_mode == constants.NIC_MODE_BRIDGED: |
1121 |
self.BurnAddRemoveNICs() |
1122 |
else: |
1123 |
Log("Skipping nic add/remove as the cluster is not in bridged mode") |
1124 |
|
1125 |
if opts.do_activate_disks: |
1126 |
self.BurnActivateDisks() |
1127 |
|
1128 |
if opts.rename: |
1129 |
self.BurnRename() |
1130 |
|
1131 |
if opts.do_confd_tests: |
1132 |
self.BurnConfd() |
1133 |
|
1134 |
if opts.do_startstop: |
1135 |
self.BurnStopStart() |
1136 |
|
1137 |
has_err = False |
1138 |
finally: |
1139 |
if has_err: |
1140 |
Log("Error detected: opcode buffer follows:\n\n") |
1141 |
Log(self.GetFeedbackBuf()) |
1142 |
Log("\n\n") |
1143 |
if not self.opts.keep_instances: |
1144 |
try: |
1145 |
self.BurnRemove() |
1146 |
except Exception, err: # pylint: disable=W0703 |
1147 |
if has_err: # already detected errors, so errors in removal |
1148 |
# are quite expected |
1149 |
Log("Note: error detected during instance remove: %s", err) |
1150 |
else: # non-expected error |
1151 |
raise |
1152 |
|
1153 |
return constants.EXIT_SUCCESS |
1154 |
|
1155 |
|
1156 |
def main(): |
1157 |
"""Main function. |
1158 |
|
1159 |
""" |
1160 |
utils.SetupLogging(pathutils.LOG_BURNIN, sys.argv[0], |
1161 |
debug=False, stderr_logging=True) |
1162 |
|
1163 |
return Burner().BurninCluster() |
1164 |
|
1165 |
|
1166 |
if __name__ == "__main__": |
1167 |
main() |