root / qa / qa_instance.py @ 26a5056d
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#
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# Copyright (C) 2007, 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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"""Instance related QA tests.
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"""
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import re |
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import time |
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from ganeti import utils |
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from ganeti import constants |
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from ganeti import query |
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import qa_config |
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import qa_utils |
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import qa_error |
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from qa_utils import AssertIn, AssertCommand, AssertEqual |
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def _GetDiskStatePath(disk): |
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return "/sys/block/%s/device/state" % disk |
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def _GetGenericAddParameters(): |
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params = ["-B"]
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params.append("%s=%s,%s=%s" % (constants.BE_MINMEM,
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qa_config.get(constants.BE_MINMEM), |
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constants.BE_MAXMEM, |
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qa_config.get(constants.BE_MAXMEM))) |
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for idx, size in enumerate(qa_config.get("disk")): |
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params.extend(["--disk", "%s:size=%s" % (idx, size)]) |
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return params
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def _DiskTest(node, disk_template): |
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instance = qa_config.AcquireInstance() |
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try:
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cmd = (["gnt-instance", "add", |
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"--os-type=%s" % qa_config.get("os"), |
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"--disk-template=%s" % disk_template,
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"--node=%s" % node] +
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_GetGenericAddParameters()) |
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cmd.append(instance["name"])
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AssertCommand(cmd) |
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_CheckSsconfInstanceList(instance["name"])
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return instance
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except:
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qa_config.ReleaseInstance(instance) |
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raise
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def TestInstanceAddWithPlainDisk(node): |
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"""gnt-instance add -t plain"""
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return _DiskTest(node["primary"], "plain") |
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def TestInstanceAddWithDrbdDisk(node, node2): |
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"""gnt-instance add -t drbd"""
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return _DiskTest("%s:%s" % (node["primary"], node2["primary"]), |
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"drbd")
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def TestInstanceRemove(instance): |
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"""gnt-instance remove"""
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AssertCommand(["gnt-instance", "remove", "-f", instance["name"]]) |
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qa_config.ReleaseInstance(instance) |
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def TestInstanceStartup(instance): |
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"""gnt-instance startup"""
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AssertCommand(["gnt-instance", "startup", instance["name"]]) |
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def TestInstanceShutdown(instance): |
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"""gnt-instance shutdown"""
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AssertCommand(["gnt-instance", "shutdown", instance["name"]]) |
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def TestInstanceReboot(instance): |
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"""gnt-instance reboot"""
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options = qa_config.get("options", {})
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reboot_types = options.get("reboot-types", constants.REBOOT_TYPES)
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name = instance["name"]
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for rtype in reboot_types: |
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AssertCommand(["gnt-instance", "reboot", "--type=%s" % rtype, name]) |
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AssertCommand(["gnt-instance", "shutdown", name]) |
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AssertCommand(["gnt-instance", "reboot", name]) |
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master = qa_config.GetMasterNode() |
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cmd = ["gnt-instance", "list", "--no-headers", "-o", "status", name] |
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result_output = qa_utils.GetCommandOutput(master["primary"],
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utils.ShellQuoteArgs(cmd)) |
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AssertEqual(result_output.strip(), constants.INSTST_RUNNING) |
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def TestInstanceReinstall(instance): |
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"""gnt-instance reinstall"""
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AssertCommand(["gnt-instance", "reinstall", "-f", instance["name"]]) |
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def _ReadSsconfInstanceList(): |
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"""Reads ssconf_instance_list from the master node.
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"""
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master = qa_config.GetMasterNode() |
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cmd = ["cat", utils.PathJoin(constants.DATA_DIR,
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"ssconf_%s" % constants.SS_INSTANCE_LIST)]
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return qa_utils.GetCommandOutput(master["primary"], |
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utils.ShellQuoteArgs(cmd)).splitlines() |
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def _CheckSsconfInstanceList(instance): |
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"""Checks if a certain instance is in the ssconf instance list.
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@type instance: string
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@param instance: Instance name
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"""
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AssertIn(qa_utils.ResolveInstanceName(instance), |
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_ReadSsconfInstanceList()) |
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def TestInstanceRenameAndBack(rename_source, rename_target): |
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"""gnt-instance rename
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This must leave the instance with the original name, not the target
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name.
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"""
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_CheckSsconfInstanceList(rename_source) |
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# first do a rename to a different actual name, expecting it to fail
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qa_utils.AddToEtcHosts(["meeeeh-not-exists", rename_target])
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try:
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AssertCommand(["gnt-instance", "rename", rename_source, rename_target], |
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fail=True)
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_CheckSsconfInstanceList(rename_source) |
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finally:
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qa_utils.RemoveFromEtcHosts(["meeeeh-not-exists", rename_target])
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# and now rename instance to rename_target...
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AssertCommand(["gnt-instance", "rename", rename_source, rename_target]) |
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_CheckSsconfInstanceList(rename_target) |
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# and back
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AssertCommand(["gnt-instance", "rename", rename_target, rename_source]) |
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_CheckSsconfInstanceList(rename_source) |
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def TestInstanceFailover(instance): |
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"""gnt-instance failover"""
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cmd = ["gnt-instance", "failover", "--force", instance["name"]] |
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# failover ...
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AssertCommand(cmd) |
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# ... and back
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AssertCommand(cmd) |
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def TestInstanceMigrate(instance): |
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"""gnt-instance migrate"""
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cmd = ["gnt-instance", "migrate", "--force", instance["name"]] |
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# migrate ...
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AssertCommand(cmd) |
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# ... and back
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AssertCommand(cmd) |
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AssertCommand(["gnt-instance", "shutdown", instance["name"]]) |
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AssertCommand(cmd, fail=True)
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AssertCommand(["gnt-instance", "migrate", "--force", "--allow-failover", |
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instance["name"]])
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AssertCommand(["gnt-instance", "start", instance["name"]]) |
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AssertCommand(cmd) |
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AssertCommand(["gnt-instance", "modify", "-B", |
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("%s=%s" %
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(constants.BE_ALWAYS_FAILOVER, constants.VALUE_TRUE)), |
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instance["name"]])
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AssertCommand(cmd, fail=True)
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AssertCommand(["gnt-instance", "migrate", "--force", "--allow-failover", |
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instance["name"]])
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AssertCommand(["gnt-instance", "modify", "-B", |
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("%s=%s" %
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(constants.BE_ALWAYS_FAILOVER, constants.VALUE_FALSE)), |
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instance["name"]])
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AssertCommand(cmd) |
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def TestInstanceInfo(instance): |
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"""gnt-instance info"""
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AssertCommand(["gnt-instance", "info", instance["name"]]) |
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def TestInstanceModify(instance): |
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"""gnt-instance modify"""
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# Assume /sbin/init exists on all systems
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test_kernel = "/sbin/init"
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test_initrd = test_kernel |
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orig_maxmem = qa_config.get(constants.BE_MAXMEM) |
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orig_minmem = qa_config.get(constants.BE_MINMEM) |
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#orig_bridge = qa_config.get("bridge", "xen-br0")
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args = [ |
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["-B", "%s=128" % constants.BE_MINMEM], |
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["-B", "%s=128" % constants.BE_MAXMEM], |
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["-B", "%s=%s,%s=%s" % (constants.BE_MINMEM, orig_minmem, |
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constants.BE_MAXMEM, orig_maxmem)], |
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["-B", "%s=2" % constants.BE_VCPUS], |
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["-B", "%s=1" % constants.BE_VCPUS], |
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["-B", "%s=%s" % (constants.BE_VCPUS, constants.VALUE_DEFAULT)], |
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["-B", "%s=%s" % (constants.BE_ALWAYS_FAILOVER, constants.VALUE_TRUE)], |
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["-B", "%s=%s" % (constants.BE_ALWAYS_FAILOVER, constants.VALUE_DEFAULT)], |
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["-H", "%s=%s" % (constants.HV_KERNEL_PATH, test_kernel)], |
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["-H", "%s=%s" % (constants.HV_KERNEL_PATH, constants.VALUE_DEFAULT)], |
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["-H", "%s=%s" % (constants.HV_INITRD_PATH, test_initrd)], |
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["-H", "no_%s" % (constants.HV_INITRD_PATH, )], |
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["-H", "%s=%s" % (constants.HV_INITRD_PATH, constants.VALUE_DEFAULT)], |
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# TODO: bridge tests
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#["--bridge", "xen-br1"],
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#["--bridge", orig_bridge],
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# TODO: Do these tests only with xen-hvm
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#["-H", "%s=acn" % constants.HV_BOOT_ORDER],
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#["-H", "%s=%s" % (constants.HV_BOOT_ORDER, constants.VALUE_DEFAULT)],
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] |
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for alist in args: |
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AssertCommand(["gnt-instance", "modify"] + alist + [instance["name"]]) |
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# check no-modify
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AssertCommand(["gnt-instance", "modify", instance["name"]], fail=True) |
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# Marking offline/online while instance is running must fail
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for arg in ["--online", "--offline"]: |
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AssertCommand(["gnt-instance", "modify", arg, instance["name"]], fail=True) |
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def TestInstanceStoppedModify(instance): |
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"""gnt-instance modify (stopped instance)"""
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name = instance["name"]
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# Instance was not marked offline; try marking it online once more
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AssertCommand(["gnt-instance", "modify", "--online", name]) |
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# Mark instance as offline
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AssertCommand(["gnt-instance", "modify", "--offline", name]) |
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# And online again
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AssertCommand(["gnt-instance", "modify", "--online", name]) |
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def TestInstanceConvertDisk(instance, snode): |
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"""gnt-instance modify -t"""
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name = instance["name"]
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AssertCommand(["gnt-instance", "modify", "-t", "plain", name]) |
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AssertCommand(["gnt-instance", "modify", "-t", "drbd", |
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"-n", snode["primary"], name]) |
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def TestInstanceGrowDisk(instance): |
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"""gnt-instance grow-disk"""
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name = instance["name"]
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all_size = qa_config.get("disk")
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all_grow = qa_config.get("disk-growth")
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if not all_grow: |
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# missing disk sizes but instance grow disk has been enabled,
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# let's set fixed/nomimal growth
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all_grow = ["128M" for _ in all_size] |
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for idx, (size, grow) in enumerate(zip(all_size, all_grow)): |
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# succeed in grow by amount
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AssertCommand(["gnt-instance", "grow-disk", name, str(idx), grow]) |
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# fail in grow to the old size
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AssertCommand(["gnt-instance", "grow-disk", "--absolute", name, str(idx), |
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size], fail=True)
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# succeed to grow to old size + 2 * growth
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int_size = utils.ParseUnit(size) |
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int_grow = utils.ParseUnit(grow) |
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AssertCommand(["gnt-instance", "grow-disk", "--absolute", name, str(idx), |
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str(int_size + 2 * int_grow)]) |
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def TestInstanceList(): |
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"""gnt-instance list"""
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qa_utils.GenericQueryTest("gnt-instance", query.INSTANCE_FIELDS.keys())
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def TestInstanceListFields(): |
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"""gnt-instance list-fields"""
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qa_utils.GenericQueryFieldsTest("gnt-instance", query.INSTANCE_FIELDS.keys())
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def TestInstanceConsole(instance): |
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"""gnt-instance console"""
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AssertCommand(["gnt-instance", "console", "--show-cmd", instance["name"]]) |
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def TestReplaceDisks(instance, pnode, snode, othernode): |
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"""gnt-instance replace-disks"""
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# pylint: disable=W0613
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# due to unused pnode arg
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# FIXME: should be removed from the function completely
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def buildcmd(args): |
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cmd = ["gnt-instance", "replace-disks"] |
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cmd.extend(args) |
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cmd.append(instance["name"])
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return cmd
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for data in [ |
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["-p"],
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["-s"],
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["--new-secondary=%s" % othernode["primary"]], |
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# and restore
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["--new-secondary=%s" % snode["primary"]], |
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]: |
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AssertCommand(buildcmd(data)) |
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AssertCommand(buildcmd(["-a"]))
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AssertCommand(["gnt-instance", "stop", instance["name"]]) |
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AssertCommand(buildcmd(["-a"]), fail=True) |
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AssertCommand(["gnt-instance", "activate-disks", instance["name"]]) |
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AssertCommand(buildcmd(["-a"]))
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AssertCommand(["gnt-instance", "start", instance["name"]]) |
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def TestInstanceExport(instance, node): |
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"""gnt-backup export -n ..."""
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name = instance["name"]
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AssertCommand(["gnt-backup", "export", "-n", node["primary"], name]) |
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return qa_utils.ResolveInstanceName(name)
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def TestInstanceExportWithRemove(instance, node): |
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"""gnt-backup export --remove-instance"""
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AssertCommand(["gnt-backup", "export", "-n", node["primary"], |
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"--remove-instance", instance["name"]]) |
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def TestInstanceExportNoTarget(instance): |
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"""gnt-backup export (without target node, should fail)"""
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AssertCommand(["gnt-backup", "export", instance["name"]], fail=True) |
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def TestInstanceImport(node, newinst, expnode, name): |
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"""gnt-backup import"""
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cmd = (["gnt-backup", "import", |
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"--disk-template=plain",
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"--no-ip-check",
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"--net", "0:mac=generate", |
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"--src-node=%s" % expnode["primary"], |
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"--src-dir=%s/%s" % (constants.EXPORT_DIR, name),
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"--node=%s" % node["primary"]] + |
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_GetGenericAddParameters()) |
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cmd.append(newinst["name"])
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AssertCommand(cmd) |
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def TestBackupList(expnode): |
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"""gnt-backup list"""
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AssertCommand(["gnt-backup", "list", "--node=%s" % expnode["primary"]]) |
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qa_utils.GenericQueryTest("gnt-backup", query.EXPORT_FIELDS.keys(),
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namefield=None, test_unknown=False) |
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def TestBackupListFields(): |
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"""gnt-backup list-fields"""
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qa_utils.GenericQueryFieldsTest("gnt-backup", query.EXPORT_FIELDS.keys())
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def _TestInstanceDiskFailure(instance, node, node2, onmaster): |
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"""Testing disk failure."""
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master = qa_config.GetMasterNode() |
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sq = utils.ShellQuoteArgs |
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instance_full = qa_utils.ResolveInstanceName(instance["name"])
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node_full = qa_utils.ResolveNodeName(node) |
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node2_full = qa_utils.ResolveNodeName(node2) |
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print qa_utils.FormatInfo("Getting physical disk names") |
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cmd = ["gnt-node", "volumes", "--separator=|", "--no-headers", |
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"--output=node,phys,instance",
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node["primary"], node2["primary"]] |
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output = qa_utils.GetCommandOutput(master["primary"], sq(cmd))
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# Get physical disk names
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re_disk = re.compile(r"^/dev/([a-z]+)\d+$")
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node2disk = {} |
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for line in output.splitlines(): |
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(node_name, phys, inst) = line.split("|")
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if inst == instance_full:
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if node_name not in node2disk: |
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node2disk[node_name] = [] |
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m = re_disk.match(phys) |
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if not m: |
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raise qa_error.Error("Unknown disk name format: %s" % phys) |
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name = m.group(1)
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if name not in node2disk[node_name]: |
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node2disk[node_name].append(name) |
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if [node2_full, node_full][int(onmaster)] not in node2disk: |
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raise qa_error.Error("Couldn't find physical disks used on" |
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" %s node" % ["secondary", "master"][int(onmaster)]) |
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print qa_utils.FormatInfo("Checking whether nodes have ability to stop" |
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" disks")
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for node_name, disks in node2disk.iteritems(): |
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cmds = [] |
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for disk in disks: |
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cmds.append(sq(["test", "-f", _GetDiskStatePath(disk)])) |
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AssertCommand(" && ".join(cmds), node=node_name)
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print qa_utils.FormatInfo("Getting device paths") |
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cmd = ["gnt-instance", "activate-disks", instance["name"]] |
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output = qa_utils.GetCommandOutput(master["primary"], sq(cmd))
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devpath = [] |
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for line in output.splitlines(): |
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(_, _, tmpdevpath) = line.split(":")
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devpath.append(tmpdevpath) |
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print devpath
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print qa_utils.FormatInfo("Getting drbd device paths") |
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cmd = ["gnt-instance", "info", instance["name"]] |
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output = qa_utils.GetCommandOutput(master["primary"], sq(cmd))
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pattern = (r"\s+-\s+sd[a-z]+,\s+type:\s+drbd8?,\s+.*$"
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r"\s+primary:\s+(/dev/drbd\d+)\s+")
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drbddevs = re.findall(pattern, output, re.M) |
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print drbddevs
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halted_disks = [] |
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try:
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print qa_utils.FormatInfo("Deactivating disks") |
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cmds = [] |
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for name in node2disk[[node2_full, node_full][int(onmaster)]]: |
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halted_disks.append(name) |
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cmds.append(sq(["echo", "offline"]) + " >%s" % _GetDiskStatePath(name)) |
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AssertCommand(" && ".join(cmds), node=[node2, node][int(onmaster)]) |
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print qa_utils.FormatInfo("Write to disks and give some time to notice" |
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" to notice the problem")
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cmds = [] |
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for disk in devpath: |
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cmds.append(sq(["dd", "count=1", "bs=512", "conv=notrunc", |
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"if=%s" % disk, "of=%s" % disk])) |
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for _ in (0, 1, 2): |
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AssertCommand(" && ".join(cmds), node=node)
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time.sleep(3)
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print qa_utils.FormatInfo("Debugging info") |
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for name in drbddevs: |
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AssertCommand(["drbdsetup", name, "show"], node=node) |
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AssertCommand(["gnt-instance", "info", instance["name"]]) |
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finally:
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print qa_utils.FormatInfo("Activating disks again") |
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cmds = [] |
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for name in halted_disks: |
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cmds.append(sq(["echo", "running"]) + " >%s" % _GetDiskStatePath(name)) |
483 |
AssertCommand("; ".join(cmds), node=[node2, node][int(onmaster)]) |
484 |
|
485 |
if onmaster:
|
486 |
for name in drbddevs: |
487 |
AssertCommand(["drbdsetup", name, "detach"], node=node) |
488 |
else:
|
489 |
for name in drbddevs: |
490 |
AssertCommand(["drbdsetup", name, "disconnect"], node=node2) |
491 |
|
492 |
# TODO
|
493 |
#AssertCommand(["vgs"], [node2, node][int(onmaster)])
|
494 |
|
495 |
print qa_utils.FormatInfo("Making sure disks are up again") |
496 |
AssertCommand(["gnt-instance", "replace-disks", instance["name"]]) |
497 |
|
498 |
print qa_utils.FormatInfo("Restarting instance") |
499 |
AssertCommand(["gnt-instance", "shutdown", instance["name"]]) |
500 |
AssertCommand(["gnt-instance", "startup", instance["name"]]) |
501 |
|
502 |
AssertCommand(["gnt-cluster", "verify"]) |
503 |
|
504 |
|
505 |
def TestInstanceMasterDiskFailure(instance, node, node2): |
506 |
"""Testing disk failure on master node."""
|
507 |
# pylint: disable=W0613
|
508 |
# due to unused args
|
509 |
print qa_utils.FormatError("Disk failure on primary node cannot be" |
510 |
" tested due to potential crashes.")
|
511 |
# The following can cause crashes, thus it's disabled until fixed
|
512 |
#return _TestInstanceDiskFailure(instance, node, node2, True)
|
513 |
|
514 |
|
515 |
def TestInstanceSecondaryDiskFailure(instance, node, node2): |
516 |
"""Testing disk failure on secondary node."""
|
517 |
return _TestInstanceDiskFailure(instance, node, node2, False) |