root / qa / qa_instance.py @ f9193417
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# Copyright (C) 2007 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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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 AssertEqual, AssertNotEqual, StartSSH |
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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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return ['--os-size=%s' % qa_config.get('os-size'), |
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'--swap-size=%s' % qa_config.get('swap-size'), |
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'--memory=%s' % qa_config.get('mem')] |
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def _DiskTest(node, disk_template): |
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master = qa_config.GetMasterNode() |
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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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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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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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@qa_utils.DefineHook('instance-add-plain-disk') |
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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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@qa_utils.DefineHook('instance-add-drbd-disk') |
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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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@qa_utils.DefineHook('instance-remove') |
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def TestInstanceRemove(instance): |
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"""gnt-instance remove"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-instance', 'remove', '-f', instance['name']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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qa_config.ReleaseInstance(instance) |
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@qa_utils.DefineHook('instance-startup') |
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def TestInstanceStartup(instance): |
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"""gnt-instance startup"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-instance', 'startup', instance['name']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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@qa_utils.DefineHook('instance-shutdown') |
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def TestInstanceShutdown(instance): |
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"""gnt-instance shutdown"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-instance', 'shutdown', instance['name']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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@qa_utils.DefineHook('instance-reinstall') |
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def TestInstanceReinstall(instance): |
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"""gnt-instance reinstall"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-instance', 'reinstall', '-f', instance['name']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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@qa_utils.DefineHook('instance-failover') |
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def TestInstanceFailover(instance): |
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"""gnt-instance failover"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-instance', 'failover', '--force', instance['name']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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@qa_utils.DefineHook('instance-info') |
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def TestInstanceInfo(instance): |
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"""gnt-instance info"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-instance', 'info', instance['name']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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@qa_utils.DefineHook('instance-modify') |
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def TestInstanceModify(instance): |
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"""gnt-instance modify"""
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master = qa_config.GetMasterNode() |
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orig_memory = qa_config.get('mem')
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orig_bridge = qa_config.get('bridge', 'xen-br0') |
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args = [ |
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["--memory", "128"], |
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["--memory", str(orig_memory)], |
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["--cpu", "2"], |
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["--cpu", "1"], |
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["--bridge", "xen-br1"], |
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["--bridge", orig_bridge],
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["--kernel", "/dev/null"], |
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["--kernel", "default"], |
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["--initrd", "/dev/null"], |
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["--initrd", "none"], |
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["--initrd", "default"], |
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["--hvm-boot-order", "acn"], |
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["--hvm-boot-order", "default"], |
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] |
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for alist in args: |
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cmd = ['gnt-instance', 'modify'] + alist + [instance['name']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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# check no-modify
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cmd = ['gnt-instance', 'modify', instance['name']] |
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AssertNotEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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@qa_utils.DefineHook('instance-list') |
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def TestInstanceList(): |
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"""gnt-instance list"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-instance', 'list'] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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@qa_utils.DefineHook('backup-export') |
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def TestInstanceExport(instance, node): |
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"""gnt-backup export"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-backup', 'export', '-n', node['primary'], instance['name']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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return qa_utils.ResolveInstanceName(instance)
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@qa_utils.DefineHook('backup-import') |
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def TestInstanceImport(node, newinst, expnode, name): |
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"""gnt-backup import"""
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master = qa_config.GetMasterNode() |
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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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'--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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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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@qa_utils.DefineHook('backup-list') |
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def TestBackupList(expnode): |
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"""gnt-backup list"""
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master = qa_config.GetMasterNode() |
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cmd = ['gnt-backup', 'list', '--node=%s' % expnode['primary']] |
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AssertEqual(StartSSH(master['primary'],
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utils.ShellQuoteArgs(cmd)).wait(), 0)
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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) |
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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" % disk) |
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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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AssertEqual(StartSSH(node_name, ' && '.join(cmds)).wait(), 0) |
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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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AssertEqual(StartSSH([node2, node][int(onmaster)]['primary'], |
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' && '.join(cmds)).wait(), 0) |
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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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AssertEqual(StartSSH(node['primary'], ' && '.join(cmds)).wait(), 0) |
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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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cmd = ['drbdsetup', name, 'show'] |
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AssertEqual(StartSSH(node['primary'], sq(cmd)).wait(), 0) |
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cmd = ['gnt-instance', 'info', instance['name']] |
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AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0) |
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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)) |
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AssertEqual(StartSSH([node2, node][int(onmaster)]['primary'], |
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'; '.join(cmds)).wait(), 0) |
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if onmaster:
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for name in drbddevs: |
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cmd = ['drbdsetup', name, 'detach'] |
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AssertEqual(StartSSH(node['primary'], sq(cmd)).wait(), 0) |
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else:
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for name in drbddevs: |
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cmd = ['drbdsetup', name, 'disconnect'] |
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AssertEqual(StartSSH(node2['primary'], sq(cmd)).wait(), 0) |
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# TODO
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#cmd = ['vgs']
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#AssertEqual(StartSSH([node2, node][int(onmaster)]['primary'],
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# sq(cmd)).wait(), 0)
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print qa_utils.FormatInfo("Making sure disks are up again") |
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cmd = ['gnt-instance', 'replace-disks', instance['name']] |
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AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0) |
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print qa_utils.FormatInfo("Restarting instance") |
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cmd = ['gnt-instance', 'shutdown', instance['name']] |
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AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0) |
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cmd = ['gnt-instance', 'startup', instance['name']] |
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AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0) |
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cmd = ['gnt-cluster', 'verify'] |
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AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0) |
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def TestInstanceMasterDiskFailure(instance, node, node2): |
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"""Testing disk failure on master node."""
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print qa_utils.FormatError("Disk failure on primary node cannot be" |
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" tested due to potential crashes.")
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# The following can cause crashes, thus it's disabled until fixed
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#return _TestInstanceDiskFailure(instance, node, node2, True)
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def TestInstanceSecondaryDiskFailure(instance, node, node2): |
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"""Testing disk failure on secondary node."""
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return _TestInstanceDiskFailure(instance, node, node2, False) |