-
Iustin Pop authored
s/'/"/ in (hopefully) the right places. Signed-off-by:
Iustin Pop <iustin@google.com> Reviewed-by:
Michael Hanselmann <hansmi@google.com>
d0c8c01d
qa_instance.py 14.00 KiB
#
#
# Copyright (C) 2007, 2011 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
"""Instance related QA tests.
"""
import re
import time
from ganeti import utils
from ganeti import constants
from ganeti import query
import qa_config
import qa_utils
import qa_error
from qa_utils import AssertIn, AssertCommand, AssertEqual
def _GetDiskStatePath(disk):
return "/sys/block/%s/device/state" % disk
def _GetGenericAddParameters():
params = ["-B", "%s=%s" % (constants.BE_MEMORY, qa_config.get("mem"))]
for idx, size in enumerate(qa_config.get("disk")):
params.extend(["--disk", "%s:size=%s" % (idx, size)])
return params
def _DiskTest(node, disk_template):
instance = qa_config.AcquireInstance()
try:
cmd = (["gnt-instance", "add",
"--os-type=%s" % qa_config.get("os"),
"--disk-template=%s" % disk_template,
"--node=%s" % node] +
_GetGenericAddParameters())
cmd.append(instance["name"])
AssertCommand(cmd)
_CheckSsconfInstanceList(instance["name"])
return instance
except:
qa_config.ReleaseInstance(instance)
raise
def TestInstanceAddWithPlainDisk(node):
"""gnt-instance add -t plain"""
return _DiskTest(node["primary"], "plain")
def TestInstanceAddWithDrbdDisk(node, node2):
"""gnt-instance add -t drbd"""
return _DiskTest("%s:%s" % (node["primary"], node2["primary"]),
"drbd")
def TestInstanceRemove(instance):
"""gnt-instance remove"""
AssertCommand(["gnt-instance", "remove", "-f", instance["name"]])
qa_config.ReleaseInstance(instance)
def TestInstanceStartup(instance):
"""gnt-instance startup"""
AssertCommand(["gnt-instance", "startup", instance["name"]])
def TestInstanceShutdown(instance):
"""gnt-instance shutdown"""
AssertCommand(["gnt-instance", "shutdown", instance["name"]])
def TestInstanceReboot(instance):
"""gnt-instance reboot"""
options = qa_config.get("options", {})
reboot_types = options.get("reboot-types", constants.REBOOT_TYPES)
name = instance["name"]
for rtype in reboot_types:
AssertCommand(["gnt-instance", "reboot", "--type=%s" % rtype, name])
AssertCommand(["gnt-instance", "shutdown", name])
AssertCommand(["gnt-instance", "reboot", name])
master = qa_config.GetMasterNode()
cmd = ["gnt-instance", "list", "--no-header", "-o", "status", name]
result_output = qa_utils.GetCommandOutput(master["primary"],
utils.ShellQuoteArgs(cmd))
AssertEqual(result_output.strip(), constants.INSTST_RUNNING)
def TestInstanceReinstall(instance):
"""gnt-instance reinstall"""
AssertCommand(["gnt-instance", "reinstall", "-f", instance["name"]])
def _ReadSsconfInstanceList():
"""Reads ssconf_instance_list from the master node.
"""
master = qa_config.GetMasterNode()
cmd = ["cat", utils.PathJoin(constants.DATA_DIR,
"ssconf_%s" % constants.SS_INSTANCE_LIST)]
return qa_utils.GetCommandOutput(master["primary"],
utils.ShellQuoteArgs(cmd)).splitlines()
def _CheckSsconfInstanceList(instance):
"""Checks if a certain instance is in the ssconf instance list.
@type instance: string
@param instance: Instance name
"""
AssertIn(qa_utils.ResolveInstanceName(instance),
_ReadSsconfInstanceList())
def TestInstanceRename(rename_source, rename_target):
"""gnt-instance rename"""
_CheckSsconfInstanceList(rename_source)
AssertCommand(["gnt-instance", "rename", rename_source, rename_target])
_CheckSsconfInstanceList(rename_target)
AssertCommand(["gnt-instance", "rename", rename_target, rename_source])
_CheckSsconfInstanceList(rename_source)
qa_utils.AddToEtcHosts(["meeeeh-not-exists", rename_target])
try:
AssertCommand(["gnt-instance", "rename", rename_source, rename_target],
fail=True)
_CheckSsconfInstanceList(rename_source)
finally:
qa_utils.RemoveFromEtcHosts(["meeeeh-not-exists", rename_target])
AssertCommand(["gnt-instance", "rename", rename_source, rename_target])
_CheckSsconfInstanceList(rename_target)
def TestInstanceFailover(instance):
"""gnt-instance failover"""
cmd = ["gnt-instance", "failover", "--force", instance["name"]]
# failover ...
AssertCommand(cmd)
# ... and back
AssertCommand(cmd)
def TestInstanceMigrate(instance):
"""gnt-instance migrate"""
cmd = ["gnt-instance", "migrate", "--force", instance["name"]]
# migrate ...
AssertCommand(cmd)
# ... and back
AssertCommand(cmd)
AssertCommand(["gnt-instance", "shutdown", instance["name"]])
AssertCommand(cmd, fail=True)
AssertCommand(["gnt-instance", "migrate", "--force", "--allow-failover",
instance["name"]])
AssertCommand(["gnt-instance", "start", instance["name"]])
AssertCommand(cmd)
def TestInstanceInfo(instance):
"""gnt-instance info"""
AssertCommand(["gnt-instance", "info", instance["name"]])
def TestInstanceModify(instance):
"""gnt-instance modify"""
# Assume /sbin/init exists on all systems
test_kernel = "/sbin/init"
test_initrd = test_kernel
orig_memory = qa_config.get("mem")
#orig_bridge = qa_config.get("bridge", "xen-br0")
args = [
["-B", "%s=128" % constants.BE_MEMORY],
["-B", "%s=%s" % (constants.BE_MEMORY, orig_memory)],
["-B", "%s=2" % constants.BE_VCPUS],
["-B", "%s=1" % constants.BE_VCPUS],
["-B", "%s=%s" % (constants.BE_VCPUS, constants.VALUE_DEFAULT)],
["-H", "%s=%s" % (constants.HV_KERNEL_PATH, test_kernel)],
["-H", "%s=%s" % (constants.HV_KERNEL_PATH, constants.VALUE_DEFAULT)],
["-H", "%s=%s" % (constants.HV_INITRD_PATH, test_initrd)],
["-H", "no_%s" % (constants.HV_INITRD_PATH, )],
["-H", "%s=%s" % (constants.HV_INITRD_PATH, constants.VALUE_DEFAULT)],
# TODO: bridge tests
#["--bridge", "xen-br1"],
#["--bridge", orig_bridge],
# TODO: Do these tests only with xen-hvm
#["-H", "%s=acn" % constants.HV_BOOT_ORDER],
#["-H", "%s=%s" % (constants.HV_BOOT_ORDER, constants.VALUE_DEFAULT)],
]
for alist in args:
AssertCommand(["gnt-instance", "modify"] + alist + [instance["name"]])
# check no-modify
AssertCommand(["gnt-instance", "modify", instance["name"]], fail=True)
def TestInstanceConvertDisk(instance, snode):
"""gnt-instance modify -t"""
name = instance["name"]
AssertCommand(["gnt-instance", "modify", "-t", "plain", name])
AssertCommand(["gnt-instance", "modify", "-t", "drbd",
"-n", snode["primary"], name])
def TestInstanceList():
"""gnt-instance list"""
qa_utils.GenericQueryTest("gnt-instance", query.INSTANCE_FIELDS.keys())
def TestInstanceListFields():
"""gnt-instance list-fields"""
qa_utils.GenericQueryFieldsTest("gnt-instance", query.INSTANCE_FIELDS.keys())
def TestInstanceConsole(instance):
"""gnt-instance console"""
AssertCommand(["gnt-instance", "console", "--show-cmd", instance["name"]])
def TestReplaceDisks(instance, pnode, snode, othernode):
"""gnt-instance replace-disks"""
# pylint: disable-msg=W0613
# due to unused pnode arg
# FIXME: should be removed from the function completely
def buildcmd(args):
cmd = ["gnt-instance", "replace-disks"]
cmd.extend(args)
cmd.append(instance["name"])
return cmd
for data in [
["-p"],
["-s"],
["--new-secondary=%s" % othernode["primary"]],
# and restore
["--new-secondary=%s" % snode["primary"]],
]:
AssertCommand(buildcmd(data))
AssertCommand(buildcmd(["-a"]))
AssertCommand(["gnt-instance", "stop", instance["name"]])
AssertCommand(buildcmd(["-a"]), fail=True)
AssertCommand(["gnt-instance", "activate-disks", instance["name"]])
AssertCommand(buildcmd(["-a"]))
AssertCommand(["gnt-instance", "start", instance["name"]])
def TestInstanceExport(instance, node):
"""gnt-backup export -n ..."""
name = instance["name"]
AssertCommand(["gnt-backup", "export", "-n", node["primary"], name])
return qa_utils.ResolveInstanceName(name)
def TestInstanceExportWithRemove(instance, node):
"""gnt-backup export --remove-instance"""
AssertCommand(["gnt-backup", "export", "-n", node["primary"],
"--remove-instance", instance["name"]])
def TestInstanceExportNoTarget(instance):
"""gnt-backup export (without target node, should fail)"""
AssertCommand(["gnt-backup", "export", instance["name"]], fail=True)
def TestInstanceImport(node, newinst, expnode, name):
"""gnt-backup import"""
cmd = (["gnt-backup", "import",
"--disk-template=plain",
"--no-ip-check",
"--net", "0:mac=generate",
"--src-node=%s" % expnode["primary"],
"--src-dir=%s/%s" % (constants.EXPORT_DIR, name),
"--node=%s" % node["primary"]] +
_GetGenericAddParameters())
cmd.append(newinst["name"])
AssertCommand(cmd)
def TestBackupList(expnode):
"""gnt-backup list"""
AssertCommand(["gnt-backup", "list", "--node=%s" % expnode["primary"]])
def _TestInstanceDiskFailure(instance, node, node2, onmaster):
"""Testing disk failure."""
master = qa_config.GetMasterNode()
sq = utils.ShellQuoteArgs
instance_full = qa_utils.ResolveInstanceName(instance["name"])
node_full = qa_utils.ResolveNodeName(node)
node2_full = qa_utils.ResolveNodeName(node2)
print qa_utils.FormatInfo("Getting physical disk names")
cmd = ["gnt-node", "volumes", "--separator=|", "--no-headers",
"--output=node,phys,instance",
node["primary"], node2["primary"]]
output = qa_utils.GetCommandOutput(master["primary"], sq(cmd))
# Get physical disk names
re_disk = re.compile(r"^/dev/([a-z]+)\d+$")
node2disk = {}
for line in output.splitlines():
(node_name, phys, inst) = line.split("|")
if inst == instance_full:
if node_name not in node2disk:
node2disk[node_name] = []
m = re_disk.match(phys)
if not m:
raise qa_error.Error("Unknown disk name format: %s" % phys)
name = m.group(1)
if name not in node2disk[node_name]:
node2disk[node_name].append(name)
if [node2_full, node_full][int(onmaster)] not in node2disk:
raise qa_error.Error("Couldn't find physical disks used on"
" %s node" % ["secondary", "master"][int(onmaster)])
print qa_utils.FormatInfo("Checking whether nodes have ability to stop"
" disks")
for node_name, disks in node2disk.iteritems():
cmds = []
for disk in disks:
cmds.append(sq(["test", "-f", _GetDiskStatePath(disk)]))
AssertCommand(" && ".join(cmds), node=node_name)
print qa_utils.FormatInfo("Getting device paths")
cmd = ["gnt-instance", "activate-disks", instance["name"]]
output = qa_utils.GetCommandOutput(master["primary"], sq(cmd))
devpath = []
for line in output.splitlines():
(_, _, tmpdevpath) = line.split(":")
devpath.append(tmpdevpath)
print devpath
print qa_utils.FormatInfo("Getting drbd device paths")
cmd = ["gnt-instance", "info", instance["name"]]
output = qa_utils.GetCommandOutput(master["primary"], sq(cmd))
pattern = (r"\s+-\s+sd[a-z]+,\s+type:\s+drbd8?,\s+.*$"
r"\s+primary:\s+(/dev/drbd\d+)\s+")
drbddevs = re.findall(pattern, output, re.M)
print drbddevs
halted_disks = []
try:
print qa_utils.FormatInfo("Deactivating disks")
cmds = []
for name in node2disk[[node2_full, node_full][int(onmaster)]]:
halted_disks.append(name)
cmds.append(sq(["echo", "offline"]) + " >%s" % _GetDiskStatePath(name))
AssertCommand(" && ".join(cmds), node=[node2, node][int(onmaster)])
print qa_utils.FormatInfo("Write to disks and give some time to notice"
" to notice the problem")
cmds = []
for disk in devpath:
cmds.append(sq(["dd", "count=1", "bs=512", "conv=notrunc",
"if=%s" % disk, "of=%s" % disk]))
for _ in (0, 1, 2):
AssertCommand(" && ".join(cmds), node=node)
time.sleep(3)
print qa_utils.FormatInfo("Debugging info")
for name in drbddevs:
AssertCommand(["drbdsetup", name, "show"], node=node)
AssertCommand(["gnt-instance", "info", instance["name"]])
finally:
print qa_utils.FormatInfo("Activating disks again")
cmds = []
for name in halted_disks:
cmds.append(sq(["echo", "running"]) + " >%s" % _GetDiskStatePath(name))
AssertCommand("; ".join(cmds), node=[node2, node][int(onmaster)])
if onmaster:
for name in drbddevs:
AssertCommand(["drbdsetup", name, "detach"], node=node)
else:
for name in drbddevs:
AssertCommand(["drbdsetup", name, "disconnect"], node=node2)
# TODO
#AssertCommand(["vgs"], [node2, node][int(onmaster)])
print qa_utils.FormatInfo("Making sure disks are up again")
AssertCommand(["gnt-instance", "replace-disks", instance["name"]])
print qa_utils.FormatInfo("Restarting instance")
AssertCommand(["gnt-instance", "shutdown", instance["name"]])
AssertCommand(["gnt-instance", "startup", instance["name"]])
AssertCommand(["gnt-cluster", "verify"])
def TestInstanceMasterDiskFailure(instance, node, node2):
"""Testing disk failure on master node."""
# pylint: disable-msg=W0613
# due to unused args
print qa_utils.FormatError("Disk failure on primary node cannot be"
" tested due to potential crashes.")
# The following can cause crashes, thus it's disabled until fixed
#return _TestInstanceDiskFailure(instance, node, node2, True)
def TestInstanceSecondaryDiskFailure(instance, node, node2):
"""Testing disk failure on secondary node."""
return _TestInstanceDiskFailure(instance, node, node2, False)