4 # Copyright (C) 2007, 2011, 2012, 2013 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 """Instance related QA tests.
29 from ganeti import utils
30 from ganeti import constants
31 from ganeti import query
32 from ganeti import pathutils
38 from qa_utils import AssertCommand, AssertEqual
39 from qa_utils import InstanceCheck, INST_DOWN, INST_UP, FIRST_ARG, RETURN_VALUE
40 from qa_instance_utils import CheckSsconfInstanceList, \
41 CreateInstanceDrbd8, \
42 CreateInstanceByDiskTemplate, \
43 CreateInstanceByDiskTemplateOneNode, \
44 GetGenericAddParameters
47 def _GetDiskStatePath(disk):
48 return "/sys/block/%s/device/state" % disk
51 def GetInstanceInfo(instance):
52 """Return information about the actual state of an instance.
54 @type instance: string
55 @param instance: the instance name
56 @return: a dictionary with the following keys:
57 - "nodes": instance nodes, a list of strings
58 - "volumes": instance volume IDs, a list of strings
59 - "drbd-minors": DRBD minors used by the instance, a dictionary where
60 keys are nodes, and values are lists of integers (or an empty
61 dictionary for non-DRBD instances)
62 - "disk-template": instance disk template
63 - "storage-type": storage type associated with the instance disk template
66 node_elem = r"([^,()]+)(?:\s+\([^)]+\))?"
67 # re_nodelist matches a list of nodes returned by gnt-instance info, e.g.:
69 # node2.fqdn,node3.fqdn
70 # node4.fqdn (group mygroup, group UUID 01234567-abcd-0123-4567-0123456789ab)
71 # FIXME This works with no more than 2 secondaries
72 re_nodelist = re.compile(node_elem + "(?:," + node_elem + ")?$")
74 info = qa_utils.GetObjectInfo(["gnt-instance", "info", instance])[0]
76 for nodeinfo in info["Nodes"]:
77 if "primary" in nodeinfo:
78 nodes.append(nodeinfo["primary"])
79 elif "secondaries" in nodeinfo:
80 nodestr = nodeinfo["secondaries"]
82 m = re_nodelist.match(nodestr)
84 nodes.extend(filter(None, m.groups()))
88 disk_template = info["Disk template"]
90 raise qa_error.Error("Can't get instance disk template")
91 storage_type = constants.MAP_DISK_TEMPLATE_STORAGE_TYPE[disk_template]
93 re_drbdnode = re.compile(r"^([^\s,]+),\s+minor=([0-9]+)$")
96 for (count, diskinfo) in enumerate(info["Disks"]):
97 (dtype, _) = diskinfo["disk/%s" % count].split(",", 1)
98 if dtype == constants.LD_DRBD8:
99 for child in diskinfo["child devices"]:
100 vols.append(child["logical_id"])
101 for key in ["nodeA", "nodeB"]:
102 m = re_drbdnode.match(diskinfo[key])
104 raise qa_error.Error("Cannot parse DRBD info: %s" % diskinfo[key])
106 minor = int(m.group(2))
107 minorlist = drbd_min.setdefault(node, [])
108 minorlist.append(minor)
109 elif dtype == constants.LD_LV:
110 vols.append(diskinfo["logical_id"])
113 assert len(nodes) < 2 or vols
117 "drbd-minors": drbd_min,
118 "disk-template": disk_template,
119 "storage-type": storage_type,
123 def _DestroyInstanceDisks(instance):
124 """Remove all the backend disks of an instance.
126 This is used to simulate HW errors (dead nodes, broken disks...); the
127 configuration of the instance is not affected.
128 @type instance: dictionary
129 @param instance: the instance
132 info = GetInstanceInfo(instance.name)
133 # FIXME: destruction/removal should be part of the disk class
134 if info["storage-type"] == constants.ST_LVM_VG:
135 vols = info["volumes"]
136 for node in info["nodes"]:
137 AssertCommand(["lvremove", "-f"] + vols, node=node)
138 elif info["storage-type"] == constants.ST_FILE:
139 # Note that this works for both file and sharedfile, and this is intended.
140 storage_dir = qa_config.get("file-storage-dir",
141 pathutils.DEFAULT_FILE_STORAGE_DIR)
142 idir = os.path.join(storage_dir, instance.name)
143 for node in info["nodes"]:
144 AssertCommand(["rm", "-rf", idir], node=node)
145 elif info["storage-type"] == constants.ST_DISKLESS:
149 def _GetInstanceField(instance, field):
150 """Get the value of a field of an instance.
152 @type instance: string
153 @param instance: Instance name
155 @param field: Name of the field
159 master = qa_config.GetMasterNode()
160 infocmd = utils.ShellQuoteArgs(["gnt-instance", "list", "--no-headers",
161 "--units", "m", "-o", field, instance])
162 return qa_utils.GetCommandOutput(master.primary, infocmd).strip()
165 def _GetBoolInstanceField(instance, field):
166 """Get the Boolean value of a field of an instance.
168 @type instance: string
169 @param instance: Instance name
171 @param field: Name of the field
175 info_out = _GetInstanceField(instance, field)
178 elif info_out == "N":
181 raise qa_error.Error("Field %s of instance %s has a non-Boolean value:"
182 " %s" % (field, instance, info_out))
185 def _GetNumInstanceField(instance, field):
186 """Get a numeric value of a field of an instance.
188 @type instance: string
189 @param instance: Instance name
191 @param field: Name of the field
195 info_out = _GetInstanceField(instance, field)
200 ret = float(info_out)
202 raise qa_error.Error("Field %s of instance %s has a non-numeric value:"
203 " %s" % (field, instance, info_out))
207 def GetInstanceSpec(instance, spec):
208 """Return the current spec for the given parameter.
210 @type instance: string
211 @param instance: Instance name
213 @param spec: one of the supported parameters: "memory-size", "cpu-count",
214 "disk-count", "disk-size", "nic-count"
216 @return: (minspec, maxspec); minspec and maxspec can be different only for
221 "memory-size": ["be/minmem", "be/maxmem"],
222 "cpu-count": ["vcpus"],
223 "disk-count": ["disk.count"],
224 "disk-size": ["disk.size/ "],
225 "nic-count": ["nic.count"],
227 # For disks, first we need the number of disks
228 if spec == "disk-size":
229 (numdisk, _) = GetInstanceSpec(instance, "disk-count")
230 fields = ["disk.size/%s" % k for k in range(0, numdisk)]
232 assert spec in specmap, "%s not in %s" % (spec, specmap)
233 fields = specmap[spec]
234 values = [_GetNumInstanceField(instance, f) for f in fields]
235 return (min(values), max(values))
238 def IsFailoverSupported(instance):
239 return instance.disk_template in constants.DTS_MIRRORED
242 def IsMigrationSupported(instance):
243 return instance.disk_template in constants.DTS_MIRRORED
246 def IsDiskReplacingSupported(instance):
247 return instance.disk_template == constants.DT_DRBD8
250 def IsDiskSupported(instance):
251 return instance.disk_template != constants.DT_DISKLESS
254 def TestInstanceAddWithPlainDisk(nodes, fail=False):
255 """gnt-instance add -t plain"""
256 if constants.DT_PLAIN in qa_config.GetEnabledDiskTemplates():
257 instance = CreateInstanceByDiskTemplateOneNode(nodes, constants.DT_PLAIN,
260 qa_utils.RunInstanceCheck(instance, True)
264 @InstanceCheck(None, INST_UP, RETURN_VALUE)
265 def TestInstanceAddWithDrbdDisk(nodes):
266 """gnt-instance add -t drbd"""
267 if constants.DT_DRBD8 in qa_config.GetEnabledDiskTemplates():
268 return CreateInstanceDrbd8(nodes)
271 @InstanceCheck(None, INST_UP, RETURN_VALUE)
272 def TestInstanceAddFile(nodes):
273 """gnt-instance add -t file"""
274 assert len(nodes) == 1
275 if constants.DT_FILE in qa_config.GetEnabledDiskTemplates():
276 return CreateInstanceByDiskTemplateOneNode(nodes, constants.DT_FILE)
279 @InstanceCheck(None, INST_UP, RETURN_VALUE)
280 def TestInstanceAddSharedFile(nodes):
281 """gnt-instance add -t sharedfile"""
282 assert len(nodes) == 1
283 if constants.DT_SHARED_FILE in qa_config.GetEnabledDiskTemplates():
284 return CreateInstanceByDiskTemplateOneNode(nodes, constants.DT_SHARED_FILE)
287 @InstanceCheck(None, INST_UP, RETURN_VALUE)
288 def TestInstanceAddDiskless(nodes):
289 """gnt-instance add -t diskless"""
290 assert len(nodes) == 1
291 if constants.DT_DISKLESS in qa_config.GetEnabledDiskTemplates():
292 return CreateInstanceByDiskTemplateOneNode(nodes, constants.DT_DISKLESS)
295 @InstanceCheck(None, INST_DOWN, FIRST_ARG)
296 def TestInstanceRemove(instance):
297 """gnt-instance remove"""
298 AssertCommand(["gnt-instance", "remove", "-f", instance.name])
301 @InstanceCheck(INST_DOWN, INST_UP, FIRST_ARG)
302 def TestInstanceStartup(instance):
303 """gnt-instance startup"""
304 AssertCommand(["gnt-instance", "startup", instance.name])
307 @InstanceCheck(INST_UP, INST_DOWN, FIRST_ARG)
308 def TestInstanceShutdown(instance):
309 """gnt-instance shutdown"""
310 AssertCommand(["gnt-instance", "shutdown", instance.name])
313 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
314 def TestInstanceReboot(instance):
315 """gnt-instance reboot"""
316 options = qa_config.get("options", {})
317 reboot_types = options.get("reboot-types", constants.REBOOT_TYPES)
319 for rtype in reboot_types:
320 AssertCommand(["gnt-instance", "reboot", "--type=%s" % rtype, name])
322 AssertCommand(["gnt-instance", "shutdown", name])
323 qa_utils.RunInstanceCheck(instance, False)
324 AssertCommand(["gnt-instance", "reboot", name])
326 master = qa_config.GetMasterNode()
327 cmd = ["gnt-instance", "list", "--no-headers", "-o", "status", name]
328 result_output = qa_utils.GetCommandOutput(master.primary,
329 utils.ShellQuoteArgs(cmd))
330 AssertEqual(result_output.strip(), constants.INSTST_RUNNING)
333 @InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
334 def TestInstanceReinstall(instance):
335 """gnt-instance reinstall"""
336 if instance.disk_template == constants.DT_DISKLESS:
337 print qa_utils.FormatInfo("Test not supported for diskless instances")
340 AssertCommand(["gnt-instance", "reinstall", "-f", instance.name])
342 # Test with non-existant OS definition
343 AssertCommand(["gnt-instance", "reinstall", "-f",
344 "--os-type=NonExistantOsForQa",
349 @InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
350 def TestInstanceRenameAndBack(rename_source, rename_target):
351 """gnt-instance rename
353 This must leave the instance with the original name, not the target
357 CheckSsconfInstanceList(rename_source)
359 # first do a rename to a different actual name, expecting it to fail
360 qa_utils.AddToEtcHosts(["meeeeh-not-exists", rename_target])
362 AssertCommand(["gnt-instance", "rename", rename_source, rename_target],
364 CheckSsconfInstanceList(rename_source)
366 qa_utils.RemoveFromEtcHosts(["meeeeh-not-exists", rename_target])
368 info = GetInstanceInfo(rename_source)
370 # Check instance volume tags correctly updated. Note that this check is lvm
371 # specific, so we skip it for non-lvm-based instances.
372 # FIXME: This will need updating when instances will be able to have
373 # different disks living on storage pools with etherogeneous storage types.
374 # FIXME: This check should be put inside the disk/storage class themselves,
375 # rather than explicitly called here.
376 if info["storage-type"] == constants.ST_LVM_VG:
377 # In the lvm world we can check for tags on the logical volume
378 tags_cmd = ("lvs -o tags --noheadings %s | grep " %
379 (" ".join(info["volumes"]), ))
381 # Other storage types don't have tags, so we use an always failing command,
382 # to make sure it never gets executed
385 # and now rename instance to rename_target...
386 AssertCommand(["gnt-instance", "rename", rename_source, rename_target])
387 CheckSsconfInstanceList(rename_target)
388 qa_utils.RunInstanceCheck(rename_source, False)
389 qa_utils.RunInstanceCheck(rename_target, False)
391 # NOTE: tags might not be the exactly as the instance name, due to
392 # charset restrictions; hence the test might be flaky
393 if (rename_source != rename_target and
394 info["storage-type"] == constants.ST_LVM_VG):
395 for node in info["nodes"]:
396 AssertCommand(tags_cmd + rename_source, node=node, fail=True)
397 AssertCommand(tags_cmd + rename_target, node=node, fail=False)
400 AssertCommand(["gnt-instance", "rename", rename_target, rename_source])
401 CheckSsconfInstanceList(rename_source)
402 qa_utils.RunInstanceCheck(rename_target, False)
404 if (rename_source != rename_target and
405 info["storage-type"] == constants.ST_LVM_VG):
406 for node in info["nodes"]:
407 AssertCommand(tags_cmd + rename_source, node=node, fail=False)
408 AssertCommand(tags_cmd + rename_target, node=node, fail=True)
411 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
412 def TestInstanceFailover(instance):
413 """gnt-instance failover"""
414 if not IsFailoverSupported(instance):
415 print qa_utils.FormatInfo("Instance doesn't support failover, skipping"
419 cmd = ["gnt-instance", "failover", "--force", instance.name]
423 qa_utils.RunInstanceCheck(instance, True)
429 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
430 def TestInstanceMigrate(instance, toggle_always_failover=True):
431 """gnt-instance migrate"""
432 if not IsMigrationSupported(instance):
433 print qa_utils.FormatInfo("Instance doesn't support migration, skipping"
437 cmd = ["gnt-instance", "migrate", "--force", instance.name]
438 af_par = constants.BE_ALWAYS_FAILOVER
439 af_field = "be/" + constants.BE_ALWAYS_FAILOVER
440 af_init_val = _GetBoolInstanceField(instance.name, af_field)
444 # TODO: Verify the choice between failover and migration
445 qa_utils.RunInstanceCheck(instance, True)
447 # ... and back (possibly with always_failover toggled)
448 if toggle_always_failover:
449 AssertCommand(["gnt-instance", "modify", "-B",
450 ("%s=%s" % (af_par, not af_init_val)),
453 # TODO: Verify the choice between failover and migration
454 qa_utils.RunInstanceCheck(instance, True)
455 if toggle_always_failover:
456 AssertCommand(["gnt-instance", "modify", "-B",
457 ("%s=%s" % (af_par, af_init_val)), instance.name])
459 # TODO: Split into multiple tests
460 AssertCommand(["gnt-instance", "shutdown", instance.name])
461 qa_utils.RunInstanceCheck(instance, False)
462 AssertCommand(cmd, fail=True)
463 AssertCommand(["gnt-instance", "migrate", "--force", "--allow-failover",
465 AssertCommand(["gnt-instance", "start", instance.name])
467 # @InstanceCheck enforces the check that the instance is running
468 qa_utils.RunInstanceCheck(instance, True)
470 AssertCommand(["gnt-instance", "modify", "-B",
472 (constants.BE_ALWAYS_FAILOVER, constants.VALUE_TRUE)),
476 qa_utils.RunInstanceCheck(instance, True)
477 # TODO: Verify that a failover has been done instead of a migration
479 # TODO: Verify whether the default value is restored here (not hardcoded)
480 AssertCommand(["gnt-instance", "modify", "-B",
482 (constants.BE_ALWAYS_FAILOVER, constants.VALUE_FALSE)),
486 qa_utils.RunInstanceCheck(instance, True)
489 def TestInstanceInfo(instance):
490 """gnt-instance info"""
491 AssertCommand(["gnt-instance", "info", instance.name])
494 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
495 def TestInstanceModify(instance):
496 """gnt-instance modify"""
497 default_hv = qa_config.GetDefaultHypervisor()
499 # Assume /sbin/init exists on all systems
500 test_kernel = "/sbin/init"
501 test_initrd = test_kernel
503 orig_maxmem = qa_config.get(constants.BE_MAXMEM)
504 orig_minmem = qa_config.get(constants.BE_MINMEM)
505 #orig_bridge = qa_config.get("bridge", "xen-br0")
508 ["-B", "%s=128" % constants.BE_MINMEM],
509 ["-B", "%s=128" % constants.BE_MAXMEM],
510 ["-B", "%s=%s,%s=%s" % (constants.BE_MINMEM, orig_minmem,
511 constants.BE_MAXMEM, orig_maxmem)],
512 ["-B", "%s=2" % constants.BE_VCPUS],
513 ["-B", "%s=1" % constants.BE_VCPUS],
514 ["-B", "%s=%s" % (constants.BE_VCPUS, constants.VALUE_DEFAULT)],
515 ["-B", "%s=%s" % (constants.BE_ALWAYS_FAILOVER, constants.VALUE_TRUE)],
516 ["-B", "%s=%s" % (constants.BE_ALWAYS_FAILOVER, constants.VALUE_DEFAULT)],
518 ["-H", "%s=%s" % (constants.HV_KERNEL_PATH, test_kernel)],
519 ["-H", "%s=%s" % (constants.HV_KERNEL_PATH, constants.VALUE_DEFAULT)],
522 #["--bridge", "xen-br1"],
523 #["--bridge", orig_bridge],
526 if default_hv == constants.HT_XEN_PVM:
528 ["-H", "%s=%s" % (constants.HV_INITRD_PATH, test_initrd)],
529 ["-H", "no_%s" % (constants.HV_INITRD_PATH, )],
530 ["-H", "%s=%s" % (constants.HV_INITRD_PATH, constants.VALUE_DEFAULT)],
532 elif default_hv == constants.HT_XEN_HVM:
534 ["-H", "%s=acn" % constants.HV_BOOT_ORDER],
535 ["-H", "%s=%s" % (constants.HV_BOOT_ORDER, constants.VALUE_DEFAULT)],
539 AssertCommand(["gnt-instance", "modify"] + alist + [instance.name])
542 AssertCommand(["gnt-instance", "modify", instance.name], fail=True)
544 # Marking offline while instance is running must fail...
545 AssertCommand(["gnt-instance", "modify", "--offline", instance.name],
548 # ...while making it online is ok, and should work
549 AssertCommand(["gnt-instance", "modify", "--online", instance.name])
552 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
553 def TestInstanceModifyPrimaryAndBack(instance, currentnode, othernode):
554 """gnt-instance modify --new-primary
556 This will leave the instance on its original primary node, not other node.
559 if instance.disk_template != constants.DT_FILE:
560 print qa_utils.FormatInfo("Test only supported for the file disk template")
563 cluster_name = qa_config.get("name")
566 current = currentnode.primary
567 other = othernode.primary
569 filestorage = qa_config.get("file-storage-dir",
570 pathutils.DEFAULT_FILE_STORAGE_DIR)
571 disk = os.path.join(filestorage, name)
573 AssertCommand(["gnt-instance", "modify", "--new-primary=%s" % other, name],
575 AssertCommand(["gnt-instance", "shutdown", name])
576 AssertCommand(["scp", "-oGlobalKnownHostsFile=%s" %
577 pathutils.SSH_KNOWN_HOSTS_FILE,
578 "-oCheckHostIp=no", "-oStrictHostKeyChecking=yes",
579 "-oHashKnownHosts=no", "-oHostKeyAlias=%s" % cluster_name,
580 "-r", disk, "%s:%s" % (other, filestorage)], node=current)
581 AssertCommand(["gnt-instance", "modify", "--new-primary=%s" % other, name])
582 AssertCommand(["gnt-instance", "startup", name])
585 AssertCommand(["gnt-instance", "shutdown", name])
586 AssertCommand(["rm", "-rf", disk], node=other)
587 AssertCommand(["gnt-instance", "modify", "--new-primary=%s" % current, name])
588 AssertCommand(["gnt-instance", "startup", name])
591 @InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
592 def TestInstanceStoppedModify(instance):
593 """gnt-instance modify (stopped instance)"""
596 # Instance was not marked offline; try marking it online once more
597 AssertCommand(["gnt-instance", "modify", "--online", name])
599 # Mark instance as offline
600 AssertCommand(["gnt-instance", "modify", "--offline", name])
602 # When the instance is offline shutdown should only work with --force,
603 # while start should never work
604 AssertCommand(["gnt-instance", "shutdown", name], fail=True)
605 AssertCommand(["gnt-instance", "shutdown", "--force", name])
606 AssertCommand(["gnt-instance", "start", name], fail=True)
607 AssertCommand(["gnt-instance", "start", "--force", name], fail=True)
609 # Also do offline to offline
610 AssertCommand(["gnt-instance", "modify", "--offline", name])
613 AssertCommand(["gnt-instance", "modify", "--online", name])
616 @InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
617 def TestInstanceConvertDiskToPlain(instance, inodes):
618 """gnt-instance modify -t"""
621 template = instance.disk_template
622 if template != constants.DT_DRBD8:
623 print qa_utils.FormatInfo("Unsupported template %s, skipping conversion"
627 assert len(inodes) == 2
628 AssertCommand(["gnt-instance", "modify", "-t", constants.DT_PLAIN, name])
629 AssertCommand(["gnt-instance", "modify", "-t", constants.DT_DRBD8,
630 "-n", inodes[1].primary, name])
633 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
634 def TestInstanceModifyDisks(instance):
635 """gnt-instance modify --disk"""
636 if not IsDiskSupported(instance):
637 print qa_utils.FormatInfo("Instance doesn't support disks, skipping test")
640 disk_conf = qa_config.GetDiskOptions()[-1]
641 size = disk_conf.get("size")
643 build_cmd = lambda arg: ["gnt-instance", "modify", "--disk", arg, name]
644 if qa_config.AreSpindlesSupported():
645 spindles = disk_conf.get("spindles")
646 spindles_supported = True
648 # Any number is good for spindles in this case
650 spindles_supported = False
651 AssertCommand(build_cmd("add:size=%s,spindles=%s" % (size, spindles)),
652 fail=not spindles_supported)
653 AssertCommand(build_cmd("add:size=%s" % size),
654 fail=spindles_supported)
655 # Exactly one of the above commands has succeded, so we need one remove
656 AssertCommand(build_cmd("remove"))
659 @InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
660 def TestInstanceGrowDisk(instance):
661 """gnt-instance grow-disk"""
662 if instance.disk_template == constants.DT_DISKLESS:
663 print qa_utils.FormatInfo("Test not supported for diskless instances")
667 disks = qa_config.GetDiskOptions()
668 all_size = [d.get("size") for d in disks]
669 all_grow = [d.get("growth") for d in disks]
672 # missing disk sizes but instance grow disk has been enabled,
673 # let's set fixed/nomimal growth
674 all_grow = ["128M" for _ in all_size]
676 for idx, (size, grow) in enumerate(zip(all_size, all_grow)):
677 # succeed in grow by amount
678 AssertCommand(["gnt-instance", "grow-disk", name, str(idx), grow])
679 # fail in grow to the old size
680 AssertCommand(["gnt-instance", "grow-disk", "--absolute", name, str(idx),
682 # succeed to grow to old size + 2 * growth
683 int_size = utils.ParseUnit(size)
684 int_grow = utils.ParseUnit(grow)
685 AssertCommand(["gnt-instance", "grow-disk", "--absolute", name, str(idx),
686 str(int_size + 2 * int_grow)])
689 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
690 def TestInstanceDeviceNames(instance):
691 if instance.disk_template == constants.DT_DISKLESS:
692 print qa_utils.FormatInfo("Test not supported for diskless instances")
696 for dev_type in ["disk", "net"]:
697 if dev_type == "disk":
698 options = ",size=512M"
699 if qa_config.AreSpindlesSupported():
700 options += ",spindles=1"
703 # succeed in adding a device named 'test_device'
704 AssertCommand(["gnt-instance", "modify",
705 "--%s=-1:add,name=test_device%s" % (dev_type, options),
707 # succeed in removing the 'test_device'
708 AssertCommand(["gnt-instance", "modify",
709 "--%s=test_device:remove" % dev_type,
711 # fail to add two devices with the same name
712 AssertCommand(["gnt-instance", "modify",
713 "--%s=-1:add,name=test_device%s" % (dev_type, options),
714 "--%s=-1:add,name=test_device%s" % (dev_type, options),
716 # fail to add a device with invalid name
717 AssertCommand(["gnt-instance", "modify",
718 "--%s=-1:add,name=2%s" % (dev_type, options),
721 disks = qa_config.GetDiskOptions()
722 disk_names = [d.get("name") for d in disks]
723 for idx, disk_name in enumerate(disk_names):
724 # Refer to disk by idx
725 AssertCommand(["gnt-instance", "modify",
726 "--disk=%s:modify,name=renamed" % idx,
728 # Refer to by name and rename to original name
729 AssertCommand(["gnt-instance", "modify",
730 "--disk=renamed:modify,name=%s" % disk_name,
733 # fail in renaming to disks to the same name
734 AssertCommand(["gnt-instance", "modify",
735 "--disk=0:modify,name=same_name",
736 "--disk=1:modify,name=same_name",
740 def TestInstanceList():
741 """gnt-instance list"""
742 qa_utils.GenericQueryTest("gnt-instance", query.INSTANCE_FIELDS.keys())
745 def TestInstanceListFields():
746 """gnt-instance list-fields"""
747 qa_utils.GenericQueryFieldsTest("gnt-instance", query.INSTANCE_FIELDS.keys())
750 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
751 def TestInstanceConsole(instance):
752 """gnt-instance console"""
753 AssertCommand(["gnt-instance", "console", "--show-cmd", instance.name])
756 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
757 def TestReplaceDisks(instance, curr_nodes, other_nodes):
758 """gnt-instance replace-disks"""
760 cmd = ["gnt-instance", "replace-disks"]
762 cmd.append(instance.name)
765 if not IsDiskReplacingSupported(instance):
766 print qa_utils.FormatInfo("Instance doesn't support disk replacing,"
770 # Currently all supported templates have one primary and one secondary node
771 assert len(curr_nodes) == 2
772 snode = curr_nodes[1]
773 assert len(other_nodes) == 1
774 othernode = other_nodes[0]
776 options = qa_config.get("options", {})
777 use_ialloc = options.get("use-iallocators", True)
781 # A placeholder; the actual command choice depends on use_ialloc
783 # Restore the original secondary
784 ["--new-secondary=%s" % snode.primary],
788 data = ["-I", constants.DEFAULT_IALLOCATOR_SHORTCUT]
790 data = ["--new-secondary=%s" % othernode.primary]
791 AssertCommand(buildcmd(data))
793 AssertCommand(buildcmd(["-a"]))
794 AssertCommand(["gnt-instance", "stop", instance.name])
795 AssertCommand(buildcmd(["-a"]), fail=True)
796 AssertCommand(["gnt-instance", "activate-disks", instance.name])
797 AssertCommand(["gnt-instance", "activate-disks", "--wait-for-sync",
799 AssertCommand(buildcmd(["-a"]))
800 AssertCommand(["gnt-instance", "start", instance.name])
803 def _AssertRecreateDisks(cmdargs, instance, fail=False, check=True,
805 """Execute gnt-instance recreate-disks and check the result
807 @param cmdargs: Arguments (instance name excluded)
808 @param instance: Instance to operate on
809 @param fail: True if the command is expected to fail
810 @param check: If True and fail is False, check that the disks work
811 @prama destroy: If True, destroy the old disks first
815 _DestroyInstanceDisks(instance)
816 AssertCommand((["gnt-instance", "recreate-disks"] + cmdargs +
817 [instance.name]), fail)
818 if not fail and check:
819 # Quick check that the disks are there
820 AssertCommand(["gnt-instance", "activate-disks", instance.name])
821 AssertCommand(["gnt-instance", "activate-disks", "--wait-for-sync",
823 AssertCommand(["gnt-instance", "deactivate-disks", instance.name])
826 def _BuildRecreateDisksOpts(en_disks, with_spindles, with_growth,
829 if spindles_supported:
831 build_spindles_opt = (lambda disk:
833 (disk["spindles"] + disk["spindles-growth"]))
835 build_spindles_opt = (lambda disk:
836 ",spindles=%s" % disk["spindles"])
838 build_spindles_opt = (lambda _: ",spindles=1")
840 build_spindles_opt = (lambda _: "")
842 build_size_opt = (lambda disk:
843 "size=%s" % (utils.ParseUnit(disk["size"]) +
844 utils.ParseUnit(disk["growth"])))
846 build_size_opt = (lambda disk: "size=%s" % disk["size"])
847 build_disk_opt = (lambda (idx, disk):
848 "--disk=%s:%s%s" % (idx, build_size_opt(disk),
849 build_spindles_opt(disk)))
850 return map(build_disk_opt, en_disks)
853 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
854 def TestRecreateDisks(instance, inodes, othernodes):
855 """gnt-instance recreate-disks
857 @param instance: Instance to work on
858 @param inodes: List of the current nodes of the instance
859 @param othernodes: list/tuple of nodes where to temporarily recreate disks
862 options = qa_config.get("options", {})
863 use_ialloc = options.get("use-iallocators", True)
864 other_seq = ":".join([n.primary for n in othernodes])
865 orig_seq = ":".join([n.primary for n in inodes])
866 # These fail because the instance is running
867 _AssertRecreateDisks(["-n", other_seq], instance, fail=True, destroy=False)
869 _AssertRecreateDisks(["-I", "hail"], instance, fail=True, destroy=False)
871 _AssertRecreateDisks(["-n", other_seq], instance, fail=True, destroy=False)
872 AssertCommand(["gnt-instance", "stop", instance.name])
873 # Disks exist: this should fail
874 _AssertRecreateDisks([], instance, fail=True, destroy=False)
875 # Unsupported spindles parameters: fail
876 if not qa_config.AreSpindlesSupported():
877 _AssertRecreateDisks(["--disk=0:spindles=2"], instance,
878 fail=True, destroy=False)
879 # Recreate disks in place
880 _AssertRecreateDisks([], instance)
883 _AssertRecreateDisks(["-I", "hail"], instance)
884 # Move disks somewhere else
885 _AssertRecreateDisks(["-I", constants.DEFAULT_IALLOCATOR_SHORTCUT],
888 _AssertRecreateDisks(["-n", other_seq], instance)
890 _AssertRecreateDisks(["-n", orig_seq], instance)
891 # Recreate resized disks
892 # One of the two commands fails because either spindles are given when they
893 # should not or vice versa
894 alldisks = qa_config.GetDiskOptions()
895 spindles_supported = qa_config.AreSpindlesSupported()
896 disk_opts = _BuildRecreateDisksOpts(enumerate(alldisks), True, True,
898 _AssertRecreateDisks(disk_opts, instance, destroy=True,
899 fail=not spindles_supported)
900 disk_opts = _BuildRecreateDisksOpts(enumerate(alldisks), False, True,
902 _AssertRecreateDisks(disk_opts, instance, destroy=False,
903 fail=spindles_supported)
904 # Recreate the disks one by one (with the original size)
905 for (idx, disk) in enumerate(alldisks):
906 # Only the first call should destroy all the disk
908 # Again, one of the two commands is expected to fail
909 disk_opts = _BuildRecreateDisksOpts([(idx, disk)], True, False,
911 _AssertRecreateDisks(disk_opts, instance, destroy=destroy, check=False,
912 fail=not spindles_supported)
913 disk_opts = _BuildRecreateDisksOpts([(idx, disk)], False, False,
915 _AssertRecreateDisks(disk_opts, instance, destroy=False, check=False,
916 fail=spindles_supported)
917 # This and InstanceCheck decoration check that the disks are working
918 AssertCommand(["gnt-instance", "reinstall", "-f", instance.name])
919 AssertCommand(["gnt-instance", "start", instance.name])
922 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
923 def TestInstanceExport(instance, node):
924 """gnt-backup export -n ..."""
926 # Export does not work for file-based templates, thus we skip the test
927 if instance.disk_template in [constants.DT_FILE, constants.DT_SHARED_FILE]:
929 AssertCommand(["gnt-backup", "export", "-n", node.primary, name])
930 return qa_utils.ResolveInstanceName(name)
933 @InstanceCheck(None, INST_DOWN, FIRST_ARG)
934 def TestInstanceExportWithRemove(instance, node):
935 """gnt-backup export --remove-instance"""
936 AssertCommand(["gnt-backup", "export", "-n", node.primary,
937 "--remove-instance", instance.name])
940 @InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
941 def TestInstanceExportNoTarget(instance):
942 """gnt-backup export (without target node, should fail)"""
943 AssertCommand(["gnt-backup", "export", instance.name], fail=True)
946 @InstanceCheck(None, INST_DOWN, FIRST_ARG)
947 def TestInstanceImport(newinst, node, expnode, name):
948 """gnt-backup import"""
949 templ = constants.DT_PLAIN
950 if not qa_config.IsTemplateSupported(templ):
952 cmd = (["gnt-backup", "import",
953 "--disk-template=%s" % templ,
955 "--src-node=%s" % expnode.primary,
956 "--src-dir=%s/%s" % (pathutils.EXPORT_DIR, name),
957 "--node=%s" % node.primary] +
958 GetGenericAddParameters(newinst, templ,
959 force_mac=constants.VALUE_GENERATE))
960 cmd.append(newinst.name)
962 newinst.SetDiskTemplate(templ)
965 def TestBackupList(expnode):
966 """gnt-backup list"""
967 AssertCommand(["gnt-backup", "list", "--node=%s" % expnode.primary])
969 qa_utils.GenericQueryTest("gnt-backup", query.EXPORT_FIELDS.keys(),
970 namefield=None, test_unknown=False)
973 def TestBackupListFields():
974 """gnt-backup list-fields"""
975 qa_utils.GenericQueryFieldsTest("gnt-backup", query.EXPORT_FIELDS.keys())
978 def TestRemoveInstanceOfflineNode(instance, snode, set_offline, set_online):
979 """gnt-instance remove with an off-line node
981 @param instance: instance
982 @param snode: secondary node, to be set offline
983 @param set_offline: function to call to set the node off-line
984 @param set_online: function to call to set the node on-line
987 info = GetInstanceInfo(instance.name)
990 TestInstanceRemove(instance)
994 # Clean up the disks on the offline node, if necessary
995 if instance.disk_template not in constants.DTS_EXT_MIRROR:
996 # FIXME: abstract the cleanup inside the disks
997 if info["storage-type"] == constants.ST_LVM_VG:
998 for minor in info["drbd-minors"][snode.primary]:
999 # DRBD 8.3 syntax comes first, then DRBD 8.4 syntax. The 8.4 syntax
1000 # relies on the fact that we always create a resources for each minor,
1001 # and that this resources is always named resource{minor}.
1002 # As 'drbdsetup 0 down' does return success (even though that's invalid
1003 # syntax), we always have to perform both commands and ignore the
1005 drbd_shutdown_cmd = \
1006 "(drbdsetup %d down >/dev/null 2>&1;" \
1007 " drbdsetup down resource%d >/dev/null 2>&1) || /bin/true" % \
1009 AssertCommand(drbd_shutdown_cmd, node=snode)
1010 AssertCommand(["lvremove", "-f"] + info["volumes"], node=snode)
1011 elif info["storage-type"] == constants.ST_FILE:
1012 filestorage = qa_config.get("file-storage-dir",
1013 pathutils.DEFAULT_FILE_STORAGE_DIR)
1014 disk = os.path.join(filestorage, instance.name)
1015 AssertCommand(["rm", "-rf", disk], node=snode)
1018 def TestInstanceCreationRestrictedByDiskTemplates():
1019 """Test adding instances for disabled disk templates."""
1020 if qa_config.TestEnabled("cluster-exclusive-storage"):
1021 # These tests are valid only for non-exclusive storage
1024 enabled_disk_templates = qa_config.GetEnabledDiskTemplates()
1025 nodes = qa_config.AcquireManyNodes(2)
1027 # Setup the cluster with the enabled_disk_templates
1029 ["gnt-cluster", "modify",
1030 "--enabled-disk-templates=%s" %
1031 ",".join(enabled_disk_templates)],
1034 # Test instance creation for enabled disk templates
1035 for disk_template in enabled_disk_templates:
1036 instance = CreateInstanceByDiskTemplate(nodes, disk_template, fail=False)
1037 TestInstanceRemove(instance)
1040 # Test that instance creation fails for disabled disk templates
1041 disabled_disk_templates = list(constants.DISK_TEMPLATES
1042 - set(enabled_disk_templates))
1043 for disk_template in disabled_disk_templates:
1044 instance = CreateInstanceByDiskTemplate(nodes, disk_template, fail=True)
1046 # Test instance creation for after disabling enabled disk templates
1047 if (len(enabled_disk_templates) > 1):
1048 # Partition the disk templates, enable them separately and check if the
1049 # disabled ones cannot be used by instances.
1050 middle = len(enabled_disk_templates) / 2
1051 templates1 = enabled_disk_templates[:middle]
1052 templates2 = enabled_disk_templates[middle:]
1054 for (enabled, disabled) in [(templates1, templates2),
1055 (templates2, templates1)]:
1056 AssertCommand(["gnt-cluster", "modify",
1057 "--enabled-disk-templates=%s" %
1060 for disk_template in disabled:
1061 CreateInstanceByDiskTemplate(nodes, disk_template, fail=True)
1062 elif (len(enabled_disk_templates) == 1):
1063 # If only one disk template is enabled in the QA config, we have to enable
1064 # some other templates in order to test if the disabling the only enabled
1065 # disk template prohibits creating instances of that template.
1066 other_disk_templates = list(
1067 set([constants.DT_DISKLESS, constants.DT_BLOCK]) -
1068 set(enabled_disk_templates))
1069 AssertCommand(["gnt-cluster", "modify",
1070 "--enabled-disk-templates=%s" %
1071 ",".join(other_disk_templates)],
1073 CreateInstanceByDiskTemplate(nodes, enabled_disk_templates[0], fail=True)
1075 raise qa_error.Error("Please enable at least one disk template"
1076 " in your QA setup.")
1078 # Restore initially enabled disk templates
1079 AssertCommand(["gnt-cluster", "modify",
1080 "--enabled-disk-templates=%s" %
1081 ",".join(enabled_disk_templates)],