from ganeti import utils
from ganeti import constants
from ganeti import query
+from ganeti import pathutils
import qa_config
import qa_utils
raise
+def _GetInstanceInfo(instance):
+ """Return information about the actual state of an instance.
+
+ @type instance: string
+ @param instance: the instance name
+ @return: a dictionary with two keys:
+ - "nodes": instance nodes, a list of strings
+ - "volumes": instance volume IDs, a list of strings
+
+ """
+ master = qa_config.GetMasterNode()
+ infocmd = utils.ShellQuoteArgs(["gnt-instance", "info", instance])
+ info_out = qa_utils.GetCommandOutput(master["primary"], infocmd)
+ re_node = re.compile(r"^\s+-\s+(?:primary|secondaries):\s+(\S.+)$")
+ node_elem = r"([^,()]+)(?:\s+\([^)]+\))?"
+ # re_nodelist matches a list of nodes returned by gnt-instance info, e.g.:
+ # node1.fqdn
+ # node2.fqdn,node3.fqdn
+ # node4.fqdn (group mygroup, group UUID 01234567-abcd-0123-4567-0123456789ab)
+ # FIXME This works with no more than 2 secondaries
+ re_nodelist = re.compile(node_elem + "(?:," + node_elem + ")?$")
+ re_vol = re.compile(r"^\s+logical_id:\s+(\S+)$")
+ nodes = []
+ vols = []
+ for line in info_out.splitlines():
+ m = re_node.match(line)
+ if m:
+ nodestr = m.group(1)
+ m2 = re_nodelist.match(nodestr)
+ if m2:
+ nodes.extend(filter(None, m2.groups()))
+ else:
+ nodes.append(nodestr)
+ m = re_vol.match(line)
+ if m:
+ vols.append(m.group(1))
+ assert vols
+ assert nodes
+ return {"nodes": nodes, "volumes": vols}
+
+
+def _DestroyInstanceVolumes(instance):
+ """Remove all the LVM volumes of an instance.
+
+ This is used to simulate HW errors (dead nodes, broken disks...); the
+ configuration of the instance is not affected.
+ @type instance: dictionary
+ @param instance: the instance
+
+ """
+ info = _GetInstanceInfo(instance["name"])
+ vols = info["volumes"]
+ for node in info["nodes"]:
+ AssertCommand(["lvremove", "-f"] + vols, node=node)
+
+
+def _GetBoolInstanceField(instance, field):
+ """Get the Boolean value of a field of an instance.
+
+ @type instance: string
+ @param instance: Instance name
+ @type field: string
+ @param field: Name of the field
+
+ """
+ master = qa_config.GetMasterNode()
+ infocmd = utils.ShellQuoteArgs(["gnt-instance", "list", "--no-headers",
+ "-o", field, instance])
+ info_out = qa_utils.GetCommandOutput(master["primary"], infocmd).strip()
+ if info_out == "Y":
+ return True
+ elif info_out == "N":
+ return False
+ else:
+ raise qa_error.Error("Field %s of instance %s has a non-Boolean value:"
+ " %s" % (field, instance, info_out))
+
+
@InstanceCheck(None, INST_UP, RETURN_VALUE)
def TestInstanceAddWithPlainDisk(node):
"""gnt-instance add -t plain"""
"""gnt-instance reinstall"""
AssertCommand(["gnt-instance", "reinstall", "-f", instance["name"]])
+ # Test with non-existant OS definition
+ AssertCommand(["gnt-instance", "reinstall", "-f",
+ "--os-type=NonExistantOsForQa",
+ instance["name"]],
+ fail=True)
+
def _ReadSsconfInstanceList():
"""Reads ssconf_instance_list from the master node.
"""
master = qa_config.GetMasterNode()
- cmd = ["cat", utils.PathJoin(constants.DATA_DIR,
+ cmd = ["cat", utils.PathJoin(pathutils.DATA_DIR,
"ssconf_%s" % constants.SS_INSTANCE_LIST)]
return qa_utils.GetCommandOutput(master["primary"],
finally:
qa_utils.RemoveFromEtcHosts(["meeeeh-not-exists", rename_target])
+ # Check instance volume tags correctly updated
+ # FIXME: this is LVM specific!
+ info = _GetInstanceInfo(rename_source)
+ tags_cmd = ("lvs -o tags --noheadings %s | grep " %
+ (" ".join(info["volumes"]), ))
+
# and now rename instance to rename_target...
AssertCommand(["gnt-instance", "rename", rename_source, rename_target])
_CheckSsconfInstanceList(rename_target)
qa_utils.RunInstanceCheck(rename_source, False)
qa_utils.RunInstanceCheck(rename_target, False)
+ # NOTE: tags might not be the exactly as the instance name, due to
+ # charset restrictions; hence the test might be flaky
+ if rename_source != rename_target:
+ for node in info["nodes"]:
+ AssertCommand(tags_cmd + rename_source, node=node, fail=True)
+ AssertCommand(tags_cmd + rename_target, node=node, fail=False)
+
# and back
AssertCommand(["gnt-instance", "rename", rename_target, rename_source])
_CheckSsconfInstanceList(rename_source)
qa_utils.RunInstanceCheck(rename_target, False)
+ if rename_source != rename_target:
+ for node in info["nodes"]:
+ AssertCommand(tags_cmd + rename_source, node=node, fail=False)
+ AssertCommand(tags_cmd + rename_target, node=node, fail=True)
+
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
def TestInstanceFailover(instance):
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
-def TestInstanceMigrate(instance):
+def TestInstanceMigrate(instance, toggle_always_failover=True):
"""gnt-instance migrate"""
cmd = ["gnt-instance", "migrate", "--force", instance["name"]]
+ af_par = constants.BE_ALWAYS_FAILOVER
+ af_field = "be/" + constants.BE_ALWAYS_FAILOVER
+ af_init_val = _GetBoolInstanceField(instance["name"], af_field)
# migrate ...
AssertCommand(cmd)
+ # TODO: Verify the choice between failover and migration
qa_utils.RunInstanceCheck(instance, True)
- # ... and back
+ # ... and back (possibly with always_failover toggled)
+ if toggle_always_failover:
+ AssertCommand(["gnt-instance", "modify", "-B",
+ ("%s=%s" % (af_par, not af_init_val)),
+ instance["name"]])
AssertCommand(cmd)
+ # TODO: Verify the choice between failover and migration
+ qa_utils.RunInstanceCheck(instance, True)
+ if toggle_always_failover:
+ AssertCommand(["gnt-instance", "modify", "-B",
+ ("%s=%s" % (af_par, af_init_val)), instance["name"]])
# TODO: Split into multiple tests
AssertCommand(["gnt-instance", "shutdown", instance["name"]])
instance["name"]])
AssertCommand(["gnt-instance", "start", instance["name"]])
AssertCommand(cmd)
+ # @InstanceCheck enforces the check that the instance is running
qa_utils.RunInstanceCheck(instance, True)
AssertCommand(["gnt-instance", "modify", "-B",
(constants.BE_ALWAYS_FAILOVER, constants.VALUE_TRUE)),
instance["name"]])
- AssertCommand(cmd, fail=True)
+ AssertCommand(cmd)
qa_utils.RunInstanceCheck(instance, True)
- AssertCommand(["gnt-instance", "migrate", "--force", "--allow-failover",
- instance["name"]])
+ # TODO: Verify that a failover has been done instead of a migration
# TODO: Verify whether the default value is restored here (not hardcoded)
AssertCommand(["gnt-instance", "modify", "-B",
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
def TestInstanceModify(instance):
"""gnt-instance modify"""
+ default_hv = qa_config.GetDefaultHypervisor()
+
# Assume /sbin/init exists on all systems
test_kernel = "/sbin/init"
test_initrd = test_kernel
orig_maxmem = qa_config.get(constants.BE_MAXMEM)
orig_minmem = qa_config.get(constants.BE_MINMEM)
#orig_bridge = qa_config.get("bridge", "xen-br0")
+
args = [
["-B", "%s=128" % constants.BE_MINMEM],
["-B", "%s=128" % constants.BE_MAXMEM],
["-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)],
]
+
+ if default_hv == constants.HT_XEN_PVM:
+ args.extend([
+ ["-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)],
+ ])
+ elif default_hv == constants.HT_XEN_HVM:
+ args.extend([
+ ["-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)
- # Marking offline/online while instance is running must fail
- for arg in ["--online", "--offline"]:
- AssertCommand(["gnt-instance", "modify", arg, instance["name"]], fail=True)
+ # Marking offline while instance is running must fail...
+ AssertCommand(["gnt-instance", "modify", "--offline", instance["name"]],
+ fail=True)
+
+ # ...while making it online is ok, and should work
+ AssertCommand(["gnt-instance", "modify", "--online", instance["name"]])
@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
# Mark instance as offline
AssertCommand(["gnt-instance", "modify", "--offline", name])
+ # When the instance is offline shutdown should only work with --force,
+ # while start should never work
+ AssertCommand(["gnt-instance", "shutdown", name], fail=True)
+ AssertCommand(["gnt-instance", "shutdown", "--force", name])
+ AssertCommand(["gnt-instance", "start", name], fail=True)
+ AssertCommand(["gnt-instance", "start", "--force", name], fail=True)
+
+ # Also do offline to offline
+ AssertCommand(["gnt-instance", "modify", "--offline", name])
+
# And online again
AssertCommand(["gnt-instance", "modify", "--online", name])
cmd.append(instance["name"])
return cmd
+ options = qa_config.get("options", {})
+ use_ialloc = options.get("use-iallocators", True)
for data in [
["-p"],
["-s"],
- ["--new-secondary=%s" % othernode["primary"]],
- # and restore
+ # A placeholder; the actual command choice depends on use_ialloc
+ None,
+ # Restore the original secondary
["--new-secondary=%s" % snode["primary"]],
]:
+ if data is None:
+ if use_ialloc:
+ data = ["-I", constants.DEFAULT_IALLOCATOR_SHORTCUT]
+ else:
+ data = ["--new-secondary=%s" % othernode["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(["gnt-instance", "activate-disks", "--wait-for-sync",
+ instance["name"]])
AssertCommand(buildcmd(["-a"]))
AssertCommand(["gnt-instance", "start", instance["name"]])
+def _AssertRecreateDisks(cmdargs, instance, fail=False, check=True,
+ destroy=True):
+ """Execute gnt-instance recreate-disks and check the result
+
+ @param cmdargs: Arguments (instance name excluded)
+ @param instance: Instance to operate on
+ @param fail: True if the command is expected to fail
+ @param check: If True and fail is False, check that the disks work
+ @prama destroy: If True, destroy the old disks first
+
+ """
+ if destroy:
+ _DestroyInstanceVolumes(instance)
+ AssertCommand((["gnt-instance", "recreate-disks"] + cmdargs +
+ [instance["name"]]), fail)
+ if not fail and check:
+ # Quick check that the disks are there
+ AssertCommand(["gnt-instance", "activate-disks", instance["name"]])
+ AssertCommand(["gnt-instance", "activate-disks", "--wait-for-sync",
+ instance["name"]])
+ AssertCommand(["gnt-instance", "deactivate-disks", instance["name"]])
+
+
+@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
+def TestRecreateDisks(instance, pnode, snode, othernodes):
+ """gnt-instance recreate-disks
+
+ @param instance: Instance to work on
+ @param pnode: Primary node
+ @param snode: Secondary node, or None for sigle-homed instances
+ @param othernodes: list/tuple of nodes where to temporarily recreate disks
+
+ """
+ options = qa_config.get("options", {})
+ use_ialloc = options.get("use-iallocators", True)
+ other_seq = ":".join([n["primary"] for n in othernodes])
+ orig_seq = pnode["primary"]
+ if snode:
+ orig_seq = orig_seq + ":" + snode["primary"]
+ # These fail because the instance is running
+ _AssertRecreateDisks(["-n", other_seq], instance, fail=True, destroy=False)
+ if use_ialloc:
+ _AssertRecreateDisks(["-I", "hail"], instance, fail=True, destroy=False)
+ else:
+ _AssertRecreateDisks(["-n", other_seq], instance, fail=True, destroy=False)
+ AssertCommand(["gnt-instance", "stop", instance["name"]])
+ # Disks exist: this should fail
+ _AssertRecreateDisks([], instance, fail=True, destroy=False)
+ # Recreate disks in place
+ _AssertRecreateDisks([], instance)
+ # Move disks away
+ if use_ialloc:
+ _AssertRecreateDisks(["-I", "hail"], instance)
+ # Move disks somewhere else
+ _AssertRecreateDisks(["-I", constants.DEFAULT_IALLOCATOR_SHORTCUT],
+ instance)
+ else:
+ _AssertRecreateDisks(["-n", other_seq], instance)
+ # Move disks back
+ _AssertRecreateDisks(["-n", orig_seq], instance, check=False)
+ # This and InstanceCheck decoration check that the disks are working
+ AssertCommand(["gnt-instance", "reinstall", "-f", instance["name"]])
+ AssertCommand(["gnt-instance", "start", instance["name"]])
+
+
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
def TestInstanceExport(instance, node):
"""gnt-backup export -n ..."""
"--disk-template=plain",
"--no-ip-check",
"--src-node=%s" % expnode["primary"],
- "--src-dir=%s/%s" % (constants.EXPORT_DIR, name),
+ "--src-dir=%s/%s" % (pathutils.EXPORT_DIR, name),
"--node=%s" % node["primary"]] +
_GetGenericAddParameters(newinst, force_mac=constants.VALUE_GENERATE))
cmd.append(newinst["name"])
projects / ganeti-local / blobdiff