root / qa / qa_instance.py @ 8cd4f8cf
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# Copyright (C) 2007, 2011, 2012, 2013 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 operator |
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import re |
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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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from ganeti import pathutils |
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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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from qa_utils import InstanceCheck, INST_DOWN, INST_UP, FIRST_ARG, RETURN_VALUE |
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def _GetDiskStatePath(disk): |
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return "/sys/block/%s/device/state" % disk |
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def _GetGenericAddParameters(inst, force_mac=None): |
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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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# Set static MAC address if configured
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if force_mac:
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nic0_mac = force_mac |
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else:
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nic0_mac = qa_config.GetInstanceNicMac(inst) |
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if nic0_mac:
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params.extend(["--net", "0:mac=%s" % nic0_mac]) |
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return params
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def _DiskTest(node, disk_template, fail=False): |
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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(instance)) |
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cmd.append(instance["name"])
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AssertCommand(cmd, fail=fail) |
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if not fail: |
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_CheckSsconfInstanceList(instance["name"])
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qa_config.SetInstanceTemplate(instance, disk_template) |
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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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# Handle the case where creation is expected to fail
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assert fail
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qa_config.ReleaseInstance(instance) |
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return None |
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def _GetInstanceInfo(instance): |
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"""Return information about the actual state of an instance.
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@type instance: string
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@param instance: the instance name
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@return: a dictionary with the following keys:
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- "nodes": instance nodes, a list of strings
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- "volumes": instance volume IDs, a list of strings
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- "drbd-minors": DRBD minors used by the instance, a dictionary where
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keys are nodes, and values are lists of integers (or an empty
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dictionary for non-DRBD instances)
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"""
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master = qa_config.GetMasterNode() |
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infocmd = utils.ShellQuoteArgs(["gnt-instance", "info", instance]) |
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info_out = qa_utils.GetCommandOutput(master["primary"], infocmd)
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re_node = re.compile(r"^\s+-\s+(?:primary|secondaries):\s+(\S.+)$")
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node_elem = r"([^,()]+)(?:\s+\([^)]+\))?"
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# re_nodelist matches a list of nodes returned by gnt-instance info, e.g.:
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# node1.fqdn
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# node2.fqdn,node3.fqdn
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# node4.fqdn (group mygroup, group UUID 01234567-abcd-0123-4567-0123456789ab)
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# FIXME This works with no more than 2 secondaries
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re_nodelist = re.compile(node_elem + "(?:," + node_elem + ")?$") |
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re_vol = re.compile(r"^\s+logical_id:\s+(\S+)$")
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re_drbdnode = re.compile(r"^\s+node[AB]:\s+([^\s,]+),\s+minor=([0-9]+)$")
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nodes = [] |
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vols = [] |
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drbd_min = {} |
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for line in info_out.splitlines(): |
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m = re_node.match(line) |
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if m:
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nodestr = m.group(1)
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m2 = re_nodelist.match(nodestr) |
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if m2:
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nodes.extend(filter(None, m2.groups())) |
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else:
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nodes.append(nodestr) |
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m = re_vol.match(line) |
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if m:
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vols.append(m.group(1))
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m = re_drbdnode.match(line) |
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if m:
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node = m.group(1)
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minor = int(m.group(2)) |
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if drbd_min.get(node) is not None: |
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drbd_min[node].append(minor) |
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else:
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drbd_min[node] = [minor] |
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assert vols
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assert nodes
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return {"nodes": nodes, "volumes": vols, "drbd-minors": drbd_min} |
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def _DestroyInstanceVolumes(instance): |
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"""Remove all the LVM volumes of an instance.
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This is used to simulate HW errors (dead nodes, broken disks...); the
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configuration of the instance is not affected.
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@type instance: dictionary
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@param instance: the instance
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"""
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info = _GetInstanceInfo(instance["name"])
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vols = info["volumes"]
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for node in info["nodes"]: |
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AssertCommand(["lvremove", "-f"] + vols, node=node) |
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def _GetInstanceField(instance, field): |
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"""Get the value of a field of an instance.
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@type instance: string
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@param instance: Instance name
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@type field: string
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@param field: Name of the field
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@rtype: string
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"""
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master = qa_config.GetMasterNode() |
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infocmd = utils.ShellQuoteArgs(["gnt-instance", "list", "--no-headers", |
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"--units", "m", "-o", field, instance]) |
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return qa_utils.GetCommandOutput(master["primary"], infocmd).strip() |
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def _GetBoolInstanceField(instance, field): |
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"""Get the Boolean value of a field of an instance.
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@type instance: string
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@param instance: Instance name
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@type field: string
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@param field: Name of the field
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@rtype: bool
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"""
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info_out = _GetInstanceField(instance, field) |
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if info_out == "Y": |
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return True |
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elif info_out == "N": |
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return False |
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else:
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raise qa_error.Error("Field %s of instance %s has a non-Boolean value:" |
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" %s" % (field, instance, info_out))
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def _GetNumInstanceField(instance, field): |
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"""Get a numeric value of a field of an instance.
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@type instance: string
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@param instance: Instance name
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@type field: string
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@param field: Name of the field
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@rtype: int or float
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"""
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info_out = _GetInstanceField(instance, field) |
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try:
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ret = int(info_out)
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except ValueError: |
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try:
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ret = float(info_out)
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except ValueError: |
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raise qa_error.Error("Field %s of instance %s has a non-numeric value:" |
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" %s" % (field, instance, info_out))
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return ret
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def GetInstanceSpec(instance, spec): |
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"""Return the current spec for the given parameter.
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@type instance: string
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@param instance: Instance name
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@type spec: string
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@param spec: one of the supported parameters: "mem-size", "cpu-count",
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"disk-count", "disk-size", "nic-count"
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@rtype: tuple
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@return: (minspec, maxspec); minspec and maxspec can be different only for
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memory and disk size
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"""
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specmap = { |
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"mem-size": ["be/minmem", "be/maxmem"], |
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"cpu-count": ["vcpus"], |
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"disk-count": ["disk.count"], |
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"disk-size": ["disk.size/ "], |
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"nic-count": ["nic.count"], |
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} |
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# For disks, first we need the number of disks
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if spec == "disk-size": |
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(numdisk, _) = GetInstanceSpec(instance, "disk-count")
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fields = ["disk.size/%s" % k for k in range(0, numdisk)] |
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else:
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assert spec in specmap, "%s not in %s" % (spec, specmap) |
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fields = specmap[spec] |
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values = [_GetNumInstanceField(instance, f) for f in fields] |
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return (min(values), max(values)) |
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def IsFailoverSupported(instance): |
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templ = qa_config.GetInstanceTemplate(instance) |
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return templ in constants.DTS_MIRRORED |
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def IsMigrationSupported(instance): |
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templ = qa_config.GetInstanceTemplate(instance) |
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return templ in constants.DTS_MIRRORED |
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def IsDiskReplacingSupported(instance): |
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templ = qa_config.GetInstanceTemplate(instance) |
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return templ == constants.DT_DRBD8
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def IsDiskSupported(instance): |
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templ = qa_config.GetInstanceTemplate(instance) |
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return templ != constants.DT_DISKLESS
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def TestInstanceAddWithPlainDisk(nodes, fail=False): |
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"""gnt-instance add -t plain"""
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assert len(nodes) == 1 |
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instance = _DiskTest(nodes[0]["primary"], constants.DT_PLAIN, fail=fail) |
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if not fail: |
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qa_utils.RunInstanceCheck(instance, True)
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return instance
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@InstanceCheck(None, INST_UP, RETURN_VALUE) |
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def TestInstanceAddWithDrbdDisk(nodes): |
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"""gnt-instance add -t drbd"""
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assert len(nodes) == 2 |
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return _DiskTest(":".join(map(operator.itemgetter("primary"), nodes)), |
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"drbd")
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@InstanceCheck(None, INST_DOWN, FIRST_ARG) |
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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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@InstanceCheck(INST_DOWN, INST_UP, FIRST_ARG)
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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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@InstanceCheck(INST_UP, INST_DOWN, FIRST_ARG)
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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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@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
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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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qa_utils.RunInstanceCheck(instance, False)
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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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@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
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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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# Test with non-existant OS definition
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AssertCommand(["gnt-instance", "reinstall", "-f", |
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"--os-type=NonExistantOsForQa",
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instance["name"]],
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fail=True)
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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(pathutils.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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@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
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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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# Check instance volume tags correctly updated
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# FIXME: this is LVM specific!
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info = _GetInstanceInfo(rename_source) |
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tags_cmd = ("lvs -o tags --noheadings %s | grep " %
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(" ".join(info["volumes"]), )) |
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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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qa_utils.RunInstanceCheck(rename_source, False)
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qa_utils.RunInstanceCheck(rename_target, False)
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# NOTE: tags might not be the exactly as the instance name, due to
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# charset restrictions; hence the test might be flaky
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if rename_source != rename_target:
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for node in info["nodes"]: |
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AssertCommand(tags_cmd + rename_source, node=node, fail=True)
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AssertCommand(tags_cmd + rename_target, node=node, fail=False)
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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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qa_utils.RunInstanceCheck(rename_target, False)
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if rename_source != rename_target:
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for node in info["nodes"]: |
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AssertCommand(tags_cmd + rename_source, node=node, fail=False)
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AssertCommand(tags_cmd + rename_target, node=node, fail=True)
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@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
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def TestInstanceFailover(instance): |
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"""gnt-instance failover"""
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if not IsFailoverSupported(instance): |
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print qa_utils.FormatInfo("Instance doesn't support failover, skipping" |
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" test")
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return
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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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qa_utils.RunInstanceCheck(instance, True)
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# ... and back
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AssertCommand(cmd) |
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@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
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def TestInstanceMigrate(instance, toggle_always_failover=True): |
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"""gnt-instance migrate"""
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if not IsMigrationSupported(instance): |
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print qa_utils.FormatInfo("Instance doesn't support migration, skipping" |
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" test")
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return
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cmd = ["gnt-instance", "migrate", "--force", instance["name"]] |
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af_par = constants.BE_ALWAYS_FAILOVER |
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af_field = "be/" + constants.BE_ALWAYS_FAILOVER
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af_init_val = _GetBoolInstanceField(instance["name"], af_field)
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# migrate ...
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AssertCommand(cmd) |
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# TODO: Verify the choice between failover and migration
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qa_utils.RunInstanceCheck(instance, True)
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# ... and back (possibly with always_failover toggled)
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if toggle_always_failover:
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AssertCommand(["gnt-instance", "modify", "-B", |
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("%s=%s" % (af_par, not af_init_val)), |
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instance["name"]])
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AssertCommand(cmd) |
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# TODO: Verify the choice between failover and migration
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qa_utils.RunInstanceCheck(instance, True)
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if toggle_always_failover:
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AssertCommand(["gnt-instance", "modify", "-B", |
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("%s=%s" % (af_par, af_init_val)), instance["name"]]) |
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# TODO: Split into multiple tests
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AssertCommand(["gnt-instance", "shutdown", instance["name"]]) |
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qa_utils.RunInstanceCheck(instance, False)
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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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# @InstanceCheck enforces the check that the instance is running
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qa_utils.RunInstanceCheck(instance, True)
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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) |
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qa_utils.RunInstanceCheck(instance, True)
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# TODO: Verify that a failover has been done instead of a migration
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# TODO: Verify whether the default value is restored here (not hardcoded)
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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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qa_utils.RunInstanceCheck(instance, True)
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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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@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
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def TestInstanceModify(instance): |
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"""gnt-instance modify"""
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default_hv = qa_config.GetDefaultHypervisor() |
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|
501 |
# Assume /sbin/init exists on all systems
|
502 |
test_kernel = "/sbin/init"
|
503 |
test_initrd = test_kernel |
504 |
|
505 |
orig_maxmem = qa_config.get(constants.BE_MAXMEM) |
506 |
orig_minmem = qa_config.get(constants.BE_MINMEM) |
507 |
#orig_bridge = qa_config.get("bridge", "xen-br0")
|
508 |
|
509 |
args = [ |
510 |
["-B", "%s=128" % constants.BE_MINMEM], |
511 |
["-B", "%s=128" % constants.BE_MAXMEM], |
512 |
["-B", "%s=%s,%s=%s" % (constants.BE_MINMEM, orig_minmem, |
513 |
constants.BE_MAXMEM, orig_maxmem)], |
514 |
["-B", "%s=2" % constants.BE_VCPUS], |
515 |
["-B", "%s=1" % constants.BE_VCPUS], |
516 |
["-B", "%s=%s" % (constants.BE_VCPUS, constants.VALUE_DEFAULT)], |
517 |
["-B", "%s=%s" % (constants.BE_ALWAYS_FAILOVER, constants.VALUE_TRUE)], |
518 |
["-B", "%s=%s" % (constants.BE_ALWAYS_FAILOVER, constants.VALUE_DEFAULT)], |
519 |
|
520 |
["-H", "%s=%s" % (constants.HV_KERNEL_PATH, test_kernel)], |
521 |
["-H", "%s=%s" % (constants.HV_KERNEL_PATH, constants.VALUE_DEFAULT)], |
522 |
|
523 |
# TODO: bridge tests
|
524 |
#["--bridge", "xen-br1"],
|
525 |
#["--bridge", orig_bridge],
|
526 |
] |
527 |
|
528 |
if default_hv == constants.HT_XEN_PVM:
|
529 |
args.extend([ |
530 |
["-H", "%s=%s" % (constants.HV_INITRD_PATH, test_initrd)], |
531 |
["-H", "no_%s" % (constants.HV_INITRD_PATH, )], |
532 |
["-H", "%s=%s" % (constants.HV_INITRD_PATH, constants.VALUE_DEFAULT)], |
533 |
]) |
534 |
elif default_hv == constants.HT_XEN_HVM:
|
535 |
args.extend([ |
536 |
["-H", "%s=acn" % constants.HV_BOOT_ORDER], |
537 |
["-H", "%s=%s" % (constants.HV_BOOT_ORDER, constants.VALUE_DEFAULT)], |
538 |
]) |
539 |
|
540 |
for alist in args: |
541 |
AssertCommand(["gnt-instance", "modify"] + alist + [instance["name"]]) |
542 |
|
543 |
# check no-modify
|
544 |
AssertCommand(["gnt-instance", "modify", instance["name"]], fail=True) |
545 |
|
546 |
# Marking offline while instance is running must fail...
|
547 |
AssertCommand(["gnt-instance", "modify", "--offline", instance["name"]], |
548 |
fail=True)
|
549 |
|
550 |
# ...while making it online is ok, and should work
|
551 |
AssertCommand(["gnt-instance", "modify", "--online", instance["name"]]) |
552 |
|
553 |
|
554 |
@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
|
555 |
def TestInstanceStoppedModify(instance): |
556 |
"""gnt-instance modify (stopped instance)"""
|
557 |
name = instance["name"]
|
558 |
|
559 |
# Instance was not marked offline; try marking it online once more
|
560 |
AssertCommand(["gnt-instance", "modify", "--online", name]) |
561 |
|
562 |
# Mark instance as offline
|
563 |
AssertCommand(["gnt-instance", "modify", "--offline", name]) |
564 |
|
565 |
# When the instance is offline shutdown should only work with --force,
|
566 |
# while start should never work
|
567 |
AssertCommand(["gnt-instance", "shutdown", name], fail=True) |
568 |
AssertCommand(["gnt-instance", "shutdown", "--force", name]) |
569 |
AssertCommand(["gnt-instance", "start", name], fail=True) |
570 |
AssertCommand(["gnt-instance", "start", "--force", name], fail=True) |
571 |
|
572 |
# Also do offline to offline
|
573 |
AssertCommand(["gnt-instance", "modify", "--offline", name]) |
574 |
|
575 |
# And online again
|
576 |
AssertCommand(["gnt-instance", "modify", "--online", name]) |
577 |
|
578 |
|
579 |
@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
|
580 |
def TestInstanceConvertDiskToPlain(instance, inodes): |
581 |
"""gnt-instance modify -t"""
|
582 |
name = instance["name"]
|
583 |
template = qa_config.GetInstanceTemplate(instance) |
584 |
if template != "drbd": |
585 |
print qa_utils.FormatInfo("Unsupported template %s, skipping conversion" |
586 |
" test" % template)
|
587 |
return
|
588 |
assert len(inodes) == 2 |
589 |
AssertCommand(["gnt-instance", "modify", "-t", "plain", name]) |
590 |
AssertCommand(["gnt-instance", "modify", "-t", "drbd", |
591 |
"-n", inodes[1]["primary"], name]) |
592 |
|
593 |
|
594 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
595 |
def TestInstanceModifyDisks(instance): |
596 |
"""gnt-instance modify --disk"""
|
597 |
if not IsDiskSupported(instance): |
598 |
print qa_utils.FormatInfo("Instance doesn't support disks, skipping test") |
599 |
return
|
600 |
|
601 |
size = qa_config.get("disk")[-1] |
602 |
name = instance["name"]
|
603 |
build_cmd = lambda arg: ["gnt-instance", "modify", "--disk", arg, name] |
604 |
AssertCommand(build_cmd("add:size=%s" % size))
|
605 |
AssertCommand(build_cmd("remove"))
|
606 |
|
607 |
|
608 |
@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
|
609 |
def TestInstanceGrowDisk(instance): |
610 |
"""gnt-instance grow-disk"""
|
611 |
if qa_config.GetExclusiveStorage():
|
612 |
print qa_utils.FormatInfo("Test not supported with exclusive_storage") |
613 |
return
|
614 |
name = instance["name"]
|
615 |
all_size = qa_config.get("disk")
|
616 |
all_grow = qa_config.get("disk-growth")
|
617 |
if not all_grow: |
618 |
# missing disk sizes but instance grow disk has been enabled,
|
619 |
# let's set fixed/nomimal growth
|
620 |
all_grow = ["128M" for _ in all_size] |
621 |
for idx, (size, grow) in enumerate(zip(all_size, all_grow)): |
622 |
# succeed in grow by amount
|
623 |
AssertCommand(["gnt-instance", "grow-disk", name, str(idx), grow]) |
624 |
# fail in grow to the old size
|
625 |
AssertCommand(["gnt-instance", "grow-disk", "--absolute", name, str(idx), |
626 |
size], fail=True)
|
627 |
# succeed to grow to old size + 2 * growth
|
628 |
int_size = utils.ParseUnit(size) |
629 |
int_grow = utils.ParseUnit(grow) |
630 |
AssertCommand(["gnt-instance", "grow-disk", "--absolute", name, str(idx), |
631 |
str(int_size + 2 * int_grow)]) |
632 |
|
633 |
|
634 |
def TestInstanceList(): |
635 |
"""gnt-instance list"""
|
636 |
qa_utils.GenericQueryTest("gnt-instance", query.INSTANCE_FIELDS.keys())
|
637 |
|
638 |
|
639 |
def TestInstanceListFields(): |
640 |
"""gnt-instance list-fields"""
|
641 |
qa_utils.GenericQueryFieldsTest("gnt-instance", query.INSTANCE_FIELDS.keys())
|
642 |
|
643 |
|
644 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
645 |
def TestInstanceConsole(instance): |
646 |
"""gnt-instance console"""
|
647 |
AssertCommand(["gnt-instance", "console", "--show-cmd", instance["name"]]) |
648 |
|
649 |
|
650 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
651 |
def TestReplaceDisks(instance, curr_nodes, other_nodes): |
652 |
"""gnt-instance replace-disks"""
|
653 |
def buildcmd(args): |
654 |
cmd = ["gnt-instance", "replace-disks"] |
655 |
cmd.extend(args) |
656 |
cmd.append(instance["name"])
|
657 |
return cmd
|
658 |
|
659 |
if not IsDiskReplacingSupported(instance): |
660 |
print qa_utils.FormatInfo("Instance doesn't support disk replacing," |
661 |
" skipping test")
|
662 |
return
|
663 |
|
664 |
# Currently all supported templates have one primary and one secondary node
|
665 |
assert len(curr_nodes) == 2 |
666 |
snode = curr_nodes[1]
|
667 |
assert len(other_nodes) == 1 |
668 |
othernode = other_nodes[0]
|
669 |
|
670 |
options = qa_config.get("options", {})
|
671 |
use_ialloc = options.get("use-iallocators", True) |
672 |
for data in [ |
673 |
["-p"],
|
674 |
["-s"],
|
675 |
# A placeholder; the actual command choice depends on use_ialloc
|
676 |
None,
|
677 |
# Restore the original secondary
|
678 |
["--new-secondary=%s" % snode["primary"]], |
679 |
]: |
680 |
if data is None: |
681 |
if use_ialloc:
|
682 |
data = ["-I", constants.DEFAULT_IALLOCATOR_SHORTCUT]
|
683 |
else:
|
684 |
data = ["--new-secondary=%s" % othernode["primary"]] |
685 |
AssertCommand(buildcmd(data)) |
686 |
|
687 |
AssertCommand(buildcmd(["-a"]))
|
688 |
AssertCommand(["gnt-instance", "stop", instance["name"]]) |
689 |
AssertCommand(buildcmd(["-a"]), fail=True) |
690 |
AssertCommand(["gnt-instance", "activate-disks", instance["name"]]) |
691 |
AssertCommand(["gnt-instance", "activate-disks", "--wait-for-sync", |
692 |
instance["name"]])
|
693 |
AssertCommand(buildcmd(["-a"]))
|
694 |
AssertCommand(["gnt-instance", "start", instance["name"]]) |
695 |
|
696 |
|
697 |
def _AssertRecreateDisks(cmdargs, instance, fail=False, check=True, |
698 |
destroy=True):
|
699 |
"""Execute gnt-instance recreate-disks and check the result
|
700 |
|
701 |
@param cmdargs: Arguments (instance name excluded)
|
702 |
@param instance: Instance to operate on
|
703 |
@param fail: True if the command is expected to fail
|
704 |
@param check: If True and fail is False, check that the disks work
|
705 |
@prama destroy: If True, destroy the old disks first
|
706 |
|
707 |
"""
|
708 |
if destroy:
|
709 |
_DestroyInstanceVolumes(instance) |
710 |
AssertCommand((["gnt-instance", "recreate-disks"] + cmdargs + |
711 |
[instance["name"]]), fail)
|
712 |
if not fail and check: |
713 |
# Quick check that the disks are there
|
714 |
AssertCommand(["gnt-instance", "activate-disks", instance["name"]]) |
715 |
AssertCommand(["gnt-instance", "activate-disks", "--wait-for-sync", |
716 |
instance["name"]])
|
717 |
AssertCommand(["gnt-instance", "deactivate-disks", instance["name"]]) |
718 |
|
719 |
|
720 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
721 |
def TestRecreateDisks(instance, inodes, othernodes): |
722 |
"""gnt-instance recreate-disks
|
723 |
|
724 |
@param instance: Instance to work on
|
725 |
@param inodes: List of the current nodes of the instance
|
726 |
@param othernodes: list/tuple of nodes where to temporarily recreate disks
|
727 |
|
728 |
"""
|
729 |
options = qa_config.get("options", {})
|
730 |
use_ialloc = options.get("use-iallocators", True) |
731 |
other_seq = ":".join([n["primary"] for n in othernodes]) |
732 |
orig_seq = ":".join([n["primary"] for n in inodes]) |
733 |
# These fail because the instance is running
|
734 |
_AssertRecreateDisks(["-n", other_seq], instance, fail=True, destroy=False) |
735 |
if use_ialloc:
|
736 |
_AssertRecreateDisks(["-I", "hail"], instance, fail=True, destroy=False) |
737 |
else:
|
738 |
_AssertRecreateDisks(["-n", other_seq], instance, fail=True, destroy=False) |
739 |
AssertCommand(["gnt-instance", "stop", instance["name"]]) |
740 |
# Disks exist: this should fail
|
741 |
_AssertRecreateDisks([], instance, fail=True, destroy=False) |
742 |
# Recreate disks in place
|
743 |
_AssertRecreateDisks([], instance) |
744 |
# Move disks away
|
745 |
if use_ialloc:
|
746 |
_AssertRecreateDisks(["-I", "hail"], instance) |
747 |
# Move disks somewhere else
|
748 |
_AssertRecreateDisks(["-I", constants.DEFAULT_IALLOCATOR_SHORTCUT],
|
749 |
instance) |
750 |
else:
|
751 |
_AssertRecreateDisks(["-n", other_seq], instance)
|
752 |
# Move disks back
|
753 |
_AssertRecreateDisks(["-n", orig_seq], instance, check=False) |
754 |
# This and InstanceCheck decoration check that the disks are working
|
755 |
AssertCommand(["gnt-instance", "reinstall", "-f", instance["name"]]) |
756 |
AssertCommand(["gnt-instance", "start", instance["name"]]) |
757 |
|
758 |
|
759 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
760 |
def TestInstanceExport(instance, node): |
761 |
"""gnt-backup export -n ..."""
|
762 |
name = instance["name"]
|
763 |
AssertCommand(["gnt-backup", "export", "-n", node["primary"], name]) |
764 |
return qa_utils.ResolveInstanceName(name)
|
765 |
|
766 |
|
767 |
@InstanceCheck(None, INST_DOWN, FIRST_ARG) |
768 |
def TestInstanceExportWithRemove(instance, node): |
769 |
"""gnt-backup export --remove-instance"""
|
770 |
AssertCommand(["gnt-backup", "export", "-n", node["primary"], |
771 |
"--remove-instance", instance["name"]]) |
772 |
qa_config.ReleaseInstance(instance) |
773 |
|
774 |
|
775 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
776 |
def TestInstanceExportNoTarget(instance): |
777 |
"""gnt-backup export (without target node, should fail)"""
|
778 |
AssertCommand(["gnt-backup", "export", instance["name"]], fail=True) |
779 |
|
780 |
|
781 |
@InstanceCheck(None, INST_DOWN, FIRST_ARG) |
782 |
def TestInstanceImport(newinst, node, expnode, name): |
783 |
"""gnt-backup import"""
|
784 |
templ = constants.DT_PLAIN |
785 |
cmd = (["gnt-backup", "import", |
786 |
"--disk-template=%s" % templ,
|
787 |
"--no-ip-check",
|
788 |
"--src-node=%s" % expnode["primary"], |
789 |
"--src-dir=%s/%s" % (pathutils.EXPORT_DIR, name),
|
790 |
"--node=%s" % node["primary"]] + |
791 |
_GetGenericAddParameters(newinst, force_mac=constants.VALUE_GENERATE)) |
792 |
cmd.append(newinst["name"])
|
793 |
AssertCommand(cmd) |
794 |
qa_config.SetInstanceTemplate(newinst, templ) |
795 |
|
796 |
|
797 |
def TestBackupList(expnode): |
798 |
"""gnt-backup list"""
|
799 |
AssertCommand(["gnt-backup", "list", "--node=%s" % expnode["primary"]]) |
800 |
|
801 |
qa_utils.GenericQueryTest("gnt-backup", query.EXPORT_FIELDS.keys(),
|
802 |
namefield=None, test_unknown=False) |
803 |
|
804 |
|
805 |
def TestBackupListFields(): |
806 |
"""gnt-backup list-fields"""
|
807 |
qa_utils.GenericQueryFieldsTest("gnt-backup", query.EXPORT_FIELDS.keys())
|
808 |
|
809 |
|
810 |
def TestRemoveInstanceOfflineNode(instance, snode, set_offline, set_online): |
811 |
"""gtn-instance remove with an off-line node
|
812 |
|
813 |
@param instance: instance
|
814 |
@param snode: secondary node, to be set offline
|
815 |
@param set_offline: function to call to set the node off-line
|
816 |
@param set_online: function to call to set the node on-line
|
817 |
|
818 |
"""
|
819 |
info = _GetInstanceInfo(instance["name"])
|
820 |
set_offline(snode) |
821 |
try:
|
822 |
TestInstanceRemove(instance) |
823 |
finally:
|
824 |
set_online(snode) |
825 |
# Clean up the disks on the offline node
|
826 |
for minor in info["drbd-minors"][snode["primary"]]: |
827 |
AssertCommand(["drbdsetup", str(minor), "down"], node=snode) |
828 |
AssertCommand(["lvremove", "-f"] + info["volumes"], node=snode) |