root / qa / qa_instance.py @ cb178a1e
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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 os |
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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, disk_template, 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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if disk_template != constants.DT_DISKLESS:
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for idx, disk in enumerate(qa_config.GetDiskOptions()): |
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size = disk.get("size")
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name = disk.get("name")
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diskparams = "%s:size=%s" % (idx, size)
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if name:
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diskparams += ",name=%s" % name
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params.extend(["--disk", diskparams])
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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 = inst.GetNicMacAddr(0, None) |
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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 _CreateInstanceByDiskTemplateRaw(nodes_spec, disk_template, fail=False): |
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"""Creates an instance with the given disk template on the given nodes(s).
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Note that this function does not check if enough nodes are given for
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the respective disk template.
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@type nodes_spec: string
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@param nodes_spec: string specification of one node (by node name) or several
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nodes according to the requirements of the disk template
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@type disk_template: string
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@param disk_template: the disk template to be used by the instance
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@return: the created instance
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"""
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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" % nodes_spec] +
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_GetGenericAddParameters(instance, disk_template)) |
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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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instance.SetDiskTemplate(disk_template) |
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return instance
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except:
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instance.Release() |
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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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instance.Release() |
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return None |
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def _CreateInstanceByDiskTemplateOneNode(nodes, disk_template, fail=False): |
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"""Creates an instance using the given disk template for disk templates
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for which one given node is sufficient. These templates are for example:
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plain, diskless, file, sharedfile, blockdev, rados.
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@type nodes: list of nodes
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@param nodes: a list of nodes, whose first element is used to create the
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instance
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@type disk_template: string
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@param disk_template: the disk template to be used by the instance
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@return: the created instance
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"""
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assert len(nodes) > 0 |
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return _CreateInstanceByDiskTemplateRaw(nodes[0].primary, disk_template, |
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fail=fail) |
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def _CreateInstanceDrbd8(nodes, fail=False): |
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"""Creates an instance using disk template 'drbd' on the given nodes.
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@type nodes: list of nodes
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@param nodes: nodes to be used by the instance
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@return: the created instance
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"""
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assert len(nodes) > 1 |
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return _CreateInstanceByDiskTemplateRaw(
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":".join(map(operator.attrgetter("primary"), nodes)), |
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constants.DT_DRBD8, fail=fail) |
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def CreateInstanceByDiskTemplate(nodes, disk_template, fail=False): |
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"""Given a disk template, this function creates an instance using
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the template. It uses the required number of nodes depending on
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the disk template. This function is intended to be used by tests
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that don't care about the specifics of the instance other than
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that it uses the given disk template.
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Note: If you use this function, make sure to call
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'TestInstanceRemove' at the end of your tests to avoid orphaned
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instances hanging around and interfering with the following tests.
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@type nodes: list of nodes
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@param nodes: the list of the nodes on which the instance will be placed;
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it needs to have sufficiently many elements for the given
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disk template
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@type disk_template: string
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@param disk_template: the disk template to be used by the instance
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@return: the created instance
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"""
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if disk_template == constants.DT_DRBD8:
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return _CreateInstanceDrbd8(nodes, fail=fail)
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elif disk_template in [constants.DT_DISKLESS, constants.DT_PLAIN, |
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constants.DT_FILE]: |
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return _CreateInstanceByDiskTemplateOneNode(nodes, disk_template, fail=fail)
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else:
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# FIXME: This assumes that for all other disk templates, we only need one
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# node and no disk template specific parameters. This else-branch is
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# currently only used in cases where we expect failure. Extend it when
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# QA needs for these templates change.
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return _CreateInstanceByDiskTemplateOneNode(nodes, disk_template, fail=fail)
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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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- "disk-template": instance disk template
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- "storage-type": storage type associated with the instance disk template
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"""
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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 + ")?$") |
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info = qa_utils.GetObjectInfo(["gnt-instance", "info", instance])[0] |
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nodes = [] |
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for nodeinfo in info["Nodes"]: |
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if "primary" in nodeinfo: |
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nodes.append(nodeinfo["primary"])
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elif "secondaries" in nodeinfo: |
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nodestr = nodeinfo["secondaries"]
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if nodestr:
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m = re_nodelist.match(nodestr) |
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if m:
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nodes.extend(filter(None, m.groups())) |
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else:
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nodes.append(nodestr) |
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disk_template = info["Disk template"]
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if not disk_template: |
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raise qa_error.Error("Can't get instance disk template") |
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storage_type = constants.DISK_TEMPLATES_STORAGE_TYPE[disk_template] |
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re_drbdnode = re.compile(r"^([^\s,]+),\s+minor=([0-9]+)$")
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vols = [] |
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drbd_min = {} |
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for (count, diskinfo) in enumerate(info["Disks"]): |
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(dtype, _) = diskinfo["disk/%s" % count].split(",", 1) |
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if dtype == constants.LD_DRBD8:
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for child in diskinfo["child devices"]: |
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vols.append(child["logical_id"])
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for key in ["nodeA", "nodeB"]: |
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m = re_drbdnode.match(diskinfo[key]) |
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if not m: |
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raise qa_error.Error("Cannot parse DRBD info: %s" % diskinfo[key]) |
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node = m.group(1)
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minor = int(m.group(2)) |
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minorlist = drbd_min.setdefault(node, []) |
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minorlist.append(minor) |
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elif dtype == constants.LD_LV:
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vols.append(diskinfo["logical_id"])
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assert nodes
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assert len(nodes) < 2 or vols |
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return {
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"nodes": nodes,
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"volumes": vols,
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"drbd-minors": drbd_min,
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"disk-template": disk_template,
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"storage-type": storage_type,
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} |
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def _DestroyInstanceDisks(instance): |
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"""Remove all the backend disks 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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# FIXME: destruction/removal should be part of the disk class
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if info["storage-type"] == constants.ST_LVM_VG: |
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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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elif info["storage-type"] == constants.ST_FILE: |
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# FIXME: file storage dir not configurable in qa
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# Note that this works for both file and sharedfile, and this is intended.
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filestorage = pathutils.DEFAULT_FILE_STORAGE_DIR |
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idir = os.path.join(filestorage, instance.name) |
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for node in info["nodes"]: |
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AssertCommand(["rm", "-rf", idir], node=node) |
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elif info["storage-type"] == constants.ST_DISKLESS: |
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pass
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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: "memory-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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"memory-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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return instance.disk_template in constants.DTS_MIRRORED |
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def IsMigrationSupported(instance): |
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return instance.disk_template in constants.DTS_MIRRORED |
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def IsDiskReplacingSupported(instance): |
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return instance.disk_template == constants.DT_DRBD8
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def TestInstanceAddWithPlainDisk(nodes, fail=False): |
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"""gnt-instance add -t plain"""
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if constants.DT_PLAIN in qa_config.GetEnabledDiskTemplates(): |
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instance = _CreateInstanceByDiskTemplateOneNode(nodes, constants.DT_PLAIN, |
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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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if constants.DT_DRBD8 in qa_config.GetEnabledDiskTemplates(): |
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return _CreateInstanceDrbd8(nodes)
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@InstanceCheck(None, INST_UP, RETURN_VALUE) |
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def TestInstanceAddFile(nodes): |
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"""gnt-instance add -t file"""
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assert len(nodes) == 1 |
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if constants.DT_FILE in qa_config.GetEnabledDiskTemplates(): |
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return _CreateInstanceByDiskTemplateOneNode(nodes, constants.DT_FILE)
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@InstanceCheck(None, INST_UP, RETURN_VALUE) |
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def TestInstanceAddDiskless(nodes): |
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"""gnt-instance add -t diskless"""
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assert len(nodes) == 1 |
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if constants.DT_FILE in qa_config.GetEnabledDiskTemplates(): |
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return _CreateInstanceByDiskTemplateOneNode(nodes, constants.DT_DISKLESS)
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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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@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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if instance.disk_template == constants.DT_DISKLESS:
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print qa_utils.FormatInfo("Test not supported for diskless instances") |
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return
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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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ssconf_path = utils.PathJoin(pathutils.DATA_DIR, |
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"ssconf_%s" % constants.SS_INSTANCE_LIST)
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cmd = ["cat", qa_utils.MakeNodePath(master, ssconf_path)]
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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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|
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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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|
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|
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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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|
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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:
|
504 |
AssertCommand(["gnt-instance", "rename", rename_source, rename_target], |
505 |
fail=True)
|
506 |
_CheckSsconfInstanceList(rename_source) |
507 |
finally:
|
508 |
qa_utils.RemoveFromEtcHosts(["meeeeh-not-exists", rename_target])
|
509 |
|
510 |
info = _GetInstanceInfo(rename_source) |
511 |
|
512 |
# Check instance volume tags correctly updated. Note that this check is lvm
|
513 |
# specific, so we skip it for non-lvm-based instances.
|
514 |
# FIXME: This will need updating when instances will be able to have
|
515 |
# different disks living on storage pools with etherogeneous storage types.
|
516 |
# FIXME: This check should be put inside the disk/storage class themselves,
|
517 |
# rather than explicitly called here.
|
518 |
if info["storage-type"] == constants.ST_LVM_VG: |
519 |
# In the lvm world we can check for tags on the logical volume
|
520 |
tags_cmd = ("lvs -o tags --noheadings %s | grep " %
|
521 |
(" ".join(info["volumes"]), )) |
522 |
else:
|
523 |
# Other storage types don't have tags, so we use an always failing command,
|
524 |
# to make sure it never gets executed
|
525 |
tags_cmd = "false"
|
526 |
|
527 |
# and now rename instance to rename_target...
|
528 |
AssertCommand(["gnt-instance", "rename", rename_source, rename_target]) |
529 |
_CheckSsconfInstanceList(rename_target) |
530 |
qa_utils.RunInstanceCheck(rename_source, False)
|
531 |
qa_utils.RunInstanceCheck(rename_target, False)
|
532 |
|
533 |
# NOTE: tags might not be the exactly as the instance name, due to
|
534 |
# charset restrictions; hence the test might be flaky
|
535 |
if (rename_source != rename_target and |
536 |
info["storage-type"] == constants.ST_LVM_VG):
|
537 |
for node in info["nodes"]: |
538 |
AssertCommand(tags_cmd + rename_source, node=node, fail=True)
|
539 |
AssertCommand(tags_cmd + rename_target, node=node, fail=False)
|
540 |
|
541 |
# and back
|
542 |
AssertCommand(["gnt-instance", "rename", rename_target, rename_source]) |
543 |
_CheckSsconfInstanceList(rename_source) |
544 |
qa_utils.RunInstanceCheck(rename_target, False)
|
545 |
|
546 |
if (rename_source != rename_target and |
547 |
info["storage-type"] == constants.ST_LVM_VG):
|
548 |
for node in info["nodes"]: |
549 |
AssertCommand(tags_cmd + rename_source, node=node, fail=False)
|
550 |
AssertCommand(tags_cmd + rename_target, node=node, fail=True)
|
551 |
|
552 |
|
553 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
554 |
def TestInstanceFailover(instance): |
555 |
"""gnt-instance failover"""
|
556 |
if not IsFailoverSupported(instance): |
557 |
print qa_utils.FormatInfo("Instance doesn't support failover, skipping" |
558 |
" test")
|
559 |
return
|
560 |
|
561 |
cmd = ["gnt-instance", "failover", "--force", instance.name] |
562 |
|
563 |
# failover ...
|
564 |
AssertCommand(cmd) |
565 |
qa_utils.RunInstanceCheck(instance, True)
|
566 |
|
567 |
# ... and back
|
568 |
AssertCommand(cmd) |
569 |
|
570 |
|
571 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
572 |
def TestInstanceMigrate(instance, toggle_always_failover=True): |
573 |
"""gnt-instance migrate"""
|
574 |
if not IsMigrationSupported(instance): |
575 |
print qa_utils.FormatInfo("Instance doesn't support migration, skipping" |
576 |
" test")
|
577 |
return
|
578 |
|
579 |
cmd = ["gnt-instance", "migrate", "--force", instance.name] |
580 |
af_par = constants.BE_ALWAYS_FAILOVER |
581 |
af_field = "be/" + constants.BE_ALWAYS_FAILOVER
|
582 |
af_init_val = _GetBoolInstanceField(instance.name, af_field) |
583 |
|
584 |
# migrate ...
|
585 |
AssertCommand(cmd) |
586 |
# TODO: Verify the choice between failover and migration
|
587 |
qa_utils.RunInstanceCheck(instance, True)
|
588 |
|
589 |
# ... and back (possibly with always_failover toggled)
|
590 |
if toggle_always_failover:
|
591 |
AssertCommand(["gnt-instance", "modify", "-B", |
592 |
("%s=%s" % (af_par, not af_init_val)), |
593 |
instance.name]) |
594 |
AssertCommand(cmd) |
595 |
# TODO: Verify the choice between failover and migration
|
596 |
qa_utils.RunInstanceCheck(instance, True)
|
597 |
if toggle_always_failover:
|
598 |
AssertCommand(["gnt-instance", "modify", "-B", |
599 |
("%s=%s" % (af_par, af_init_val)), instance.name])
|
600 |
|
601 |
# TODO: Split into multiple tests
|
602 |
AssertCommand(["gnt-instance", "shutdown", instance.name]) |
603 |
qa_utils.RunInstanceCheck(instance, False)
|
604 |
AssertCommand(cmd, fail=True)
|
605 |
AssertCommand(["gnt-instance", "migrate", "--force", "--allow-failover", |
606 |
instance.name]) |
607 |
AssertCommand(["gnt-instance", "start", instance.name]) |
608 |
AssertCommand(cmd) |
609 |
# @InstanceCheck enforces the check that the instance is running
|
610 |
qa_utils.RunInstanceCheck(instance, True)
|
611 |
|
612 |
AssertCommand(["gnt-instance", "modify", "-B", |
613 |
("%s=%s" %
|
614 |
(constants.BE_ALWAYS_FAILOVER, constants.VALUE_TRUE)), |
615 |
instance.name]) |
616 |
|
617 |
AssertCommand(cmd) |
618 |
qa_utils.RunInstanceCheck(instance, True)
|
619 |
# TODO: Verify that a failover has been done instead of a migration
|
620 |
|
621 |
# TODO: Verify whether the default value is restored here (not hardcoded)
|
622 |
AssertCommand(["gnt-instance", "modify", "-B", |
623 |
("%s=%s" %
|
624 |
(constants.BE_ALWAYS_FAILOVER, constants.VALUE_FALSE)), |
625 |
instance.name]) |
626 |
|
627 |
AssertCommand(cmd) |
628 |
qa_utils.RunInstanceCheck(instance, True)
|
629 |
|
630 |
|
631 |
def TestInstanceInfo(instance): |
632 |
"""gnt-instance info"""
|
633 |
AssertCommand(["gnt-instance", "info", instance.name]) |
634 |
|
635 |
|
636 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
637 |
def TestInstanceModify(instance): |
638 |
"""gnt-instance modify"""
|
639 |
default_hv = qa_config.GetDefaultHypervisor() |
640 |
|
641 |
# Assume /sbin/init exists on all systems
|
642 |
test_kernel = "/sbin/init"
|
643 |
test_initrd = test_kernel |
644 |
|
645 |
orig_maxmem = qa_config.get(constants.BE_MAXMEM) |
646 |
orig_minmem = qa_config.get(constants.BE_MINMEM) |
647 |
#orig_bridge = qa_config.get("bridge", "xen-br0")
|
648 |
|
649 |
args = [ |
650 |
["-B", "%s=128" % constants.BE_MINMEM], |
651 |
["-B", "%s=128" % constants.BE_MAXMEM], |
652 |
["-B", "%s=%s,%s=%s" % (constants.BE_MINMEM, orig_minmem, |
653 |
constants.BE_MAXMEM, orig_maxmem)], |
654 |
["-B", "%s=2" % constants.BE_VCPUS], |
655 |
["-B", "%s=1" % constants.BE_VCPUS], |
656 |
["-B", "%s=%s" % (constants.BE_VCPUS, constants.VALUE_DEFAULT)], |
657 |
["-B", "%s=%s" % (constants.BE_ALWAYS_FAILOVER, constants.VALUE_TRUE)], |
658 |
["-B", "%s=%s" % (constants.BE_ALWAYS_FAILOVER, constants.VALUE_DEFAULT)], |
659 |
|
660 |
["-H", "%s=%s" % (constants.HV_KERNEL_PATH, test_kernel)], |
661 |
["-H", "%s=%s" % (constants.HV_KERNEL_PATH, constants.VALUE_DEFAULT)], |
662 |
|
663 |
# TODO: bridge tests
|
664 |
#["--bridge", "xen-br1"],
|
665 |
#["--bridge", orig_bridge],
|
666 |
] |
667 |
|
668 |
if default_hv == constants.HT_XEN_PVM:
|
669 |
args.extend([ |
670 |
["-H", "%s=%s" % (constants.HV_INITRD_PATH, test_initrd)], |
671 |
["-H", "no_%s" % (constants.HV_INITRD_PATH, )], |
672 |
["-H", "%s=%s" % (constants.HV_INITRD_PATH, constants.VALUE_DEFAULT)], |
673 |
]) |
674 |
elif default_hv == constants.HT_XEN_HVM:
|
675 |
args.extend([ |
676 |
["-H", "%s=acn" % constants.HV_BOOT_ORDER], |
677 |
["-H", "%s=%s" % (constants.HV_BOOT_ORDER, constants.VALUE_DEFAULT)], |
678 |
]) |
679 |
|
680 |
for alist in args: |
681 |
AssertCommand(["gnt-instance", "modify"] + alist + [instance.name]) |
682 |
|
683 |
# check no-modify
|
684 |
AssertCommand(["gnt-instance", "modify", instance.name], fail=True) |
685 |
|
686 |
# Marking offline while instance is running must fail...
|
687 |
AssertCommand(["gnt-instance", "modify", "--offline", instance.name], |
688 |
fail=True)
|
689 |
|
690 |
# ...while making it online is ok, and should work
|
691 |
AssertCommand(["gnt-instance", "modify", "--online", instance.name]) |
692 |
|
693 |
|
694 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
695 |
def TestInstanceModifyPrimaryAndBack(instance, currentnode, othernode): |
696 |
"""gnt-instance modify --new-primary
|
697 |
|
698 |
This will leave the instance on its original primary node, not other node.
|
699 |
|
700 |
"""
|
701 |
if instance.disk_template != constants.DT_FILE:
|
702 |
print qa_utils.FormatInfo("Test only supported for the file disk template") |
703 |
return
|
704 |
|
705 |
cluster_name = qa_config.get("name")
|
706 |
|
707 |
name = instance.name |
708 |
current = currentnode.primary |
709 |
other = othernode.primary |
710 |
|
711 |
# FIXME: the qa doesn't have a customizable file storage dir parameter. As
|
712 |
# such for now we use the default.
|
713 |
filestorage = pathutils.DEFAULT_FILE_STORAGE_DIR |
714 |
disk = os.path.join(filestorage, name) |
715 |
|
716 |
AssertCommand(["gnt-instance", "modify", "--new-primary=%s" % other, name], |
717 |
fail=True)
|
718 |
AssertCommand(["gnt-instance", "shutdown", name]) |
719 |
AssertCommand(["scp", "-oGlobalKnownHostsFile=%s" % |
720 |
pathutils.SSH_KNOWN_HOSTS_FILE, |
721 |
"-oCheckHostIp=no", "-oStrictHostKeyChecking=yes", |
722 |
"-oHashKnownHosts=no", "-oHostKeyAlias=%s" % cluster_name, |
723 |
"-r", disk, "%s:%s" % (other, filestorage)], node=current) |
724 |
AssertCommand(["gnt-instance", "modify", "--new-primary=%s" % other, name]) |
725 |
AssertCommand(["gnt-instance", "startup", name]) |
726 |
|
727 |
# and back
|
728 |
AssertCommand(["gnt-instance", "shutdown", name]) |
729 |
AssertCommand(["rm", "-rf", disk], node=other) |
730 |
AssertCommand(["gnt-instance", "modify", "--new-primary=%s" % current, name]) |
731 |
AssertCommand(["gnt-instance", "startup", name]) |
732 |
|
733 |
|
734 |
@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
|
735 |
def TestInstanceStoppedModify(instance): |
736 |
"""gnt-instance modify (stopped instance)"""
|
737 |
name = instance.name |
738 |
|
739 |
# Instance was not marked offline; try marking it online once more
|
740 |
AssertCommand(["gnt-instance", "modify", "--online", name]) |
741 |
|
742 |
# Mark instance as offline
|
743 |
AssertCommand(["gnt-instance", "modify", "--offline", name]) |
744 |
|
745 |
# When the instance is offline shutdown should only work with --force,
|
746 |
# while start should never work
|
747 |
AssertCommand(["gnt-instance", "shutdown", name], fail=True) |
748 |
AssertCommand(["gnt-instance", "shutdown", "--force", name]) |
749 |
AssertCommand(["gnt-instance", "start", name], fail=True) |
750 |
AssertCommand(["gnt-instance", "start", "--force", name], fail=True) |
751 |
|
752 |
# Also do offline to offline
|
753 |
AssertCommand(["gnt-instance", "modify", "--offline", name]) |
754 |
|
755 |
# And online again
|
756 |
AssertCommand(["gnt-instance", "modify", "--online", name]) |
757 |
|
758 |
|
759 |
@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
|
760 |
def TestInstanceConvertDiskToPlain(instance, inodes): |
761 |
"""gnt-instance modify -t"""
|
762 |
name = instance.name |
763 |
|
764 |
template = instance.disk_template |
765 |
if template != constants.DT_DRBD8:
|
766 |
print qa_utils.FormatInfo("Unsupported template %s, skipping conversion" |
767 |
" test" % template)
|
768 |
return
|
769 |
|
770 |
assert len(inodes) == 2 |
771 |
AssertCommand(["gnt-instance", "modify", "-t", constants.DT_PLAIN, name]) |
772 |
AssertCommand(["gnt-instance", "modify", "-t", constants.DT_DRBD8, |
773 |
"-n", inodes[1].primary, name]) |
774 |
|
775 |
|
776 |
@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)
|
777 |
def TestInstanceGrowDisk(instance): |
778 |
"""gnt-instance grow-disk"""
|
779 |
if qa_config.GetExclusiveStorage():
|
780 |
print qa_utils.FormatInfo("Test not supported with exclusive_storage") |
781 |
return
|
782 |
|
783 |
if instance.disk_template == constants.DT_DISKLESS:
|
784 |
print qa_utils.FormatInfo("Test not supported for diskless instances") |
785 |
return
|
786 |
|
787 |
name = instance.name |
788 |
disks = qa_config.GetDiskOptions() |
789 |
all_size = [d.get("size") for d in disks] |
790 |
all_grow = [d.get("growth") for d in disks] |
791 |
|
792 |
if not all_grow: |
793 |
# missing disk sizes but instance grow disk has been enabled,
|
794 |
# let's set fixed/nomimal growth
|
795 |
all_grow = ["128M" for _ in all_size] |
796 |
|
797 |
for idx, (size, grow) in enumerate(zip(all_size, all_grow)): |
798 |
# succeed in grow by amount
|
799 |
AssertCommand(["gnt-instance", "grow-disk", name, str(idx), grow]) |
800 |
# fail in grow to the old size
|
801 |
AssertCommand(["gnt-instance", "grow-disk", "--absolute", name, str(idx), |
802 |
size], fail=True)
|
803 |
# succeed to grow to old size + 2 * growth
|
804 |
int_size = utils.ParseUnit(size) |
805 |
int_grow = utils.ParseUnit(grow) |
806 |
AssertCommand(["gnt-instance", "grow-disk", "--absolute", name, str(idx), |
807 |
str(int_size + 2 * int_grow)]) |
808 |
|
809 |
|
810 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
811 |
def TestInstanceDeviceNames(instance): |
812 |
if instance.disk_template == constants.DT_DISKLESS:
|
813 |
print qa_utils.FormatInfo("Test not supported for diskless instances") |
814 |
return
|
815 |
|
816 |
name = instance.name |
817 |
for dev_type in ["disk", "net"]: |
818 |
if dev_type == "disk": |
819 |
options = ",size=512M"
|
820 |
else:
|
821 |
options = ""
|
822 |
# succeed in adding a device named 'test_device'
|
823 |
AssertCommand(["gnt-instance", "modify", |
824 |
"--%s=-1:add,name=test_device%s" % (dev_type, options),
|
825 |
name]) |
826 |
# succeed in removing the 'test_device'
|
827 |
AssertCommand(["gnt-instance", "modify", |
828 |
"--%s=test_device:remove" % dev_type,
|
829 |
name]) |
830 |
# fail to add two devices with the same name
|
831 |
AssertCommand(["gnt-instance", "modify", |
832 |
"--%s=-1:add,name=test_device%s" % (dev_type, options),
|
833 |
"--%s=-1:add,name=test_device%s" % (dev_type, options),
|
834 |
name], fail=True)
|
835 |
# fail to add a device with invalid name
|
836 |
AssertCommand(["gnt-instance", "modify", |
837 |
"--%s=-1:add,name=2%s" % (dev_type, options),
|
838 |
name], fail=True)
|
839 |
# Rename disks
|
840 |
disks = qa_config.GetDiskOptions() |
841 |
disk_names = [d.get("name") for d in disks] |
842 |
for idx, disk_name in enumerate(disk_names): |
843 |
# Refer to disk by idx
|
844 |
AssertCommand(["gnt-instance", "modify", |
845 |
"--disk=%s:modify,name=renamed" % idx,
|
846 |
name]) |
847 |
# Refer to by name and rename to original name
|
848 |
AssertCommand(["gnt-instance", "modify", |
849 |
"--disk=renamed:modify,name=%s" % disk_name,
|
850 |
name]) |
851 |
if len(disks) >= 2: |
852 |
# fail in renaming to disks to the same name
|
853 |
AssertCommand(["gnt-instance", "modify", |
854 |
"--disk=0:modify,name=same_name",
|
855 |
"--disk=1:modify,name=same_name",
|
856 |
name], fail=True)
|
857 |
|
858 |
|
859 |
def TestInstanceList(): |
860 |
"""gnt-instance list"""
|
861 |
qa_utils.GenericQueryTest("gnt-instance", query.INSTANCE_FIELDS.keys())
|
862 |
|
863 |
|
864 |
def TestInstanceListFields(): |
865 |
"""gnt-instance list-fields"""
|
866 |
qa_utils.GenericQueryFieldsTest("gnt-instance", query.INSTANCE_FIELDS.keys())
|
867 |
|
868 |
|
869 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
870 |
def TestInstanceConsole(instance): |
871 |
"""gnt-instance console"""
|
872 |
AssertCommand(["gnt-instance", "console", "--show-cmd", instance.name]) |
873 |
|
874 |
|
875 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
876 |
def TestReplaceDisks(instance, curr_nodes, other_nodes): |
877 |
"""gnt-instance replace-disks"""
|
878 |
def buildcmd(args): |
879 |
cmd = ["gnt-instance", "replace-disks"] |
880 |
cmd.extend(args) |
881 |
cmd.append(instance.name) |
882 |
return cmd
|
883 |
|
884 |
if not IsDiskReplacingSupported(instance): |
885 |
print qa_utils.FormatInfo("Instance doesn't support disk replacing," |
886 |
" skipping test")
|
887 |
return
|
888 |
|
889 |
# Currently all supported templates have one primary and one secondary node
|
890 |
assert len(curr_nodes) == 2 |
891 |
snode = curr_nodes[1]
|
892 |
assert len(other_nodes) == 1 |
893 |
othernode = other_nodes[0]
|
894 |
|
895 |
options = qa_config.get("options", {})
|
896 |
use_ialloc = options.get("use-iallocators", True) |
897 |
for data in [ |
898 |
["-p"],
|
899 |
["-s"],
|
900 |
# A placeholder; the actual command choice depends on use_ialloc
|
901 |
None,
|
902 |
# Restore the original secondary
|
903 |
["--new-secondary=%s" % snode.primary],
|
904 |
]: |
905 |
if data is None: |
906 |
if use_ialloc:
|
907 |
data = ["-I", constants.DEFAULT_IALLOCATOR_SHORTCUT]
|
908 |
else:
|
909 |
data = ["--new-secondary=%s" % othernode.primary]
|
910 |
AssertCommand(buildcmd(data)) |
911 |
|
912 |
AssertCommand(buildcmd(["-a"]))
|
913 |
AssertCommand(["gnt-instance", "stop", instance.name]) |
914 |
AssertCommand(buildcmd(["-a"]), fail=True) |
915 |
AssertCommand(["gnt-instance", "activate-disks", instance.name]) |
916 |
AssertCommand(["gnt-instance", "activate-disks", "--wait-for-sync", |
917 |
instance.name]) |
918 |
AssertCommand(buildcmd(["-a"]))
|
919 |
AssertCommand(["gnt-instance", "start", instance.name]) |
920 |
|
921 |
|
922 |
def _AssertRecreateDisks(cmdargs, instance, fail=False, check=True, |
923 |
destroy=True):
|
924 |
"""Execute gnt-instance recreate-disks and check the result
|
925 |
|
926 |
@param cmdargs: Arguments (instance name excluded)
|
927 |
@param instance: Instance to operate on
|
928 |
@param fail: True if the command is expected to fail
|
929 |
@param check: If True and fail is False, check that the disks work
|
930 |
@prama destroy: If True, destroy the old disks first
|
931 |
|
932 |
"""
|
933 |
if destroy:
|
934 |
_DestroyInstanceDisks(instance) |
935 |
AssertCommand((["gnt-instance", "recreate-disks"] + cmdargs + |
936 |
[instance.name]), fail) |
937 |
if not fail and check: |
938 |
# Quick check that the disks are there
|
939 |
AssertCommand(["gnt-instance", "activate-disks", instance.name]) |
940 |
AssertCommand(["gnt-instance", "activate-disks", "--wait-for-sync", |
941 |
instance.name]) |
942 |
AssertCommand(["gnt-instance", "deactivate-disks", instance.name]) |
943 |
|
944 |
|
945 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
946 |
def TestRecreateDisks(instance, inodes, othernodes): |
947 |
"""gnt-instance recreate-disks
|
948 |
|
949 |
@param instance: Instance to work on
|
950 |
@param inodes: List of the current nodes of the instance
|
951 |
@param othernodes: list/tuple of nodes where to temporarily recreate disks
|
952 |
|
953 |
"""
|
954 |
options = qa_config.get("options", {})
|
955 |
use_ialloc = options.get("use-iallocators", True) |
956 |
other_seq = ":".join([n.primary for n in othernodes]) |
957 |
orig_seq = ":".join([n.primary for n in inodes]) |
958 |
# These fail because the instance is running
|
959 |
_AssertRecreateDisks(["-n", other_seq], instance, fail=True, destroy=False) |
960 |
if use_ialloc:
|
961 |
_AssertRecreateDisks(["-I", "hail"], instance, fail=True, destroy=False) |
962 |
else:
|
963 |
_AssertRecreateDisks(["-n", other_seq], instance, fail=True, destroy=False) |
964 |
AssertCommand(["gnt-instance", "stop", instance.name]) |
965 |
# Disks exist: this should fail
|
966 |
_AssertRecreateDisks([], instance, fail=True, destroy=False) |
967 |
# Recreate disks in place
|
968 |
_AssertRecreateDisks([], instance) |
969 |
# Move disks away
|
970 |
if use_ialloc:
|
971 |
_AssertRecreateDisks(["-I", "hail"], instance) |
972 |
# Move disks somewhere else
|
973 |
_AssertRecreateDisks(["-I", constants.DEFAULT_IALLOCATOR_SHORTCUT],
|
974 |
instance) |
975 |
else:
|
976 |
_AssertRecreateDisks(["-n", other_seq], instance)
|
977 |
# Move disks back
|
978 |
_AssertRecreateDisks(["-n", orig_seq], instance, check=False) |
979 |
# This and InstanceCheck decoration check that the disks are working
|
980 |
AssertCommand(["gnt-instance", "reinstall", "-f", instance.name]) |
981 |
AssertCommand(["gnt-instance", "start", instance.name]) |
982 |
|
983 |
|
984 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
985 |
def TestInstanceExport(instance, node): |
986 |
"""gnt-backup export -n ..."""
|
987 |
name = instance.name |
988 |
AssertCommand(["gnt-backup", "export", "-n", node.primary, name]) |
989 |
return qa_utils.ResolveInstanceName(name)
|
990 |
|
991 |
|
992 |
@InstanceCheck(None, INST_DOWN, FIRST_ARG) |
993 |
def TestInstanceExportWithRemove(instance, node): |
994 |
"""gnt-backup export --remove-instance"""
|
995 |
AssertCommand(["gnt-backup", "export", "-n", node.primary, |
996 |
"--remove-instance", instance.name])
|
997 |
|
998 |
|
999 |
@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)
|
1000 |
def TestInstanceExportNoTarget(instance): |
1001 |
"""gnt-backup export (without target node, should fail)"""
|
1002 |
AssertCommand(["gnt-backup", "export", instance.name], fail=True) |
1003 |
|
1004 |
|
1005 |
@InstanceCheck(None, INST_DOWN, FIRST_ARG) |
1006 |
def TestInstanceImport(newinst, node, expnode, name): |
1007 |
"""gnt-backup import"""
|
1008 |
templ = constants.DT_PLAIN |
1009 |
cmd = (["gnt-backup", "import", |
1010 |
"--disk-template=%s" % templ,
|
1011 |
"--no-ip-check",
|
1012 |
"--src-node=%s" % expnode.primary,
|
1013 |
"--src-dir=%s/%s" % (pathutils.EXPORT_DIR, name),
|
1014 |
"--node=%s" % node.primary] +
|
1015 |
_GetGenericAddParameters(newinst, templ, |
1016 |
force_mac=constants.VALUE_GENERATE)) |
1017 |
cmd.append(newinst.name) |
1018 |
AssertCommand(cmd) |
1019 |
newinst.SetDiskTemplate(templ) |
1020 |
|
1021 |
|
1022 |
def TestBackupList(expnode): |
1023 |
"""gnt-backup list"""
|
1024 |
AssertCommand(["gnt-backup", "list", "--node=%s" % expnode.primary]) |
1025 |
|
1026 |
qa_utils.GenericQueryTest("gnt-backup", query.EXPORT_FIELDS.keys(),
|
1027 |
namefield=None, test_unknown=False) |
1028 |
|
1029 |
|
1030 |
def TestBackupListFields(): |
1031 |
"""gnt-backup list-fields"""
|
1032 |
qa_utils.GenericQueryFieldsTest("gnt-backup", query.EXPORT_FIELDS.keys())
|
1033 |
|
1034 |
|
1035 |
def TestRemoveInstanceOfflineNode(instance, snode, set_offline, set_online): |
1036 |
"""gnt-instance remove with an off-line node
|
1037 |
|
1038 |
@param instance: instance
|
1039 |
@param snode: secondary node, to be set offline
|
1040 |
@param set_offline: function to call to set the node off-line
|
1041 |
@param set_online: function to call to set the node on-line
|
1042 |
|
1043 |
"""
|
1044 |
info = _GetInstanceInfo(instance.name) |
1045 |
set_offline(snode) |
1046 |
try:
|
1047 |
TestInstanceRemove(instance) |
1048 |
finally:
|
1049 |
set_online(snode) |
1050 |
|
1051 |
# Clean up the disks on the offline node, if necessary
|
1052 |
if instance.disk_template not in constants.DTS_EXT_MIRROR: |
1053 |
# FIXME: abstract the cleanup inside the disks
|
1054 |
if info["storage-type"] == constants.ST_LVM_VG: |
1055 |
for minor in info["drbd-minors"][snode.primary]: |
1056 |
AssertCommand(["drbdsetup", str(minor), "down"], node=snode) |
1057 |
AssertCommand(["lvremove", "-f"] + info["volumes"], node=snode) |
1058 |
elif info["storage-type"] == constants.ST_FILE: |
1059 |
filestorage = pathutils.DEFAULT_FILE_STORAGE_DIR |
1060 |
disk = os.path.join(filestorage, instance.name) |
1061 |
AssertCommand(["rm", "-rf", disk], node=snode) |
1062 |
|
1063 |
|
1064 |
def TestInstanceCreationRestrictedByDiskTemplates(): |
1065 |
"""Test adding instances for disbled disk templates."""
|
1066 |
enabled_disk_templates = qa_config.GetEnabledDiskTemplates() |
1067 |
nodes = qa_config.AcquireManyNodes(2)
|
1068 |
|
1069 |
# Setup the cluster with the enabled_disk_templates
|
1070 |
AssertCommand( |
1071 |
["gnt-cluster", "modify", |
1072 |
"--enabled-disk-template=%s" %
|
1073 |
",".join(enabled_disk_templates)],
|
1074 |
fail=False)
|
1075 |
|
1076 |
# Test instance creation for enabled disk templates
|
1077 |
for disk_template in enabled_disk_templates: |
1078 |
instance = CreateInstanceByDiskTemplate(nodes, disk_template, False)
|
1079 |
TestInstanceRemove(instance) |
1080 |
|
1081 |
# Test that instance creation fails for disabled disk templates
|
1082 |
disabled_disk_templates = list(constants.DISK_TEMPLATES
|
1083 |
- set(enabled_disk_templates))
|
1084 |
for disk_template in disabled_disk_templates: |
1085 |
instance = CreateInstanceByDiskTemplate(nodes, disk_template, True)
|
1086 |
|
1087 |
# Test instance creation for after disabling enabled disk templates
|
1088 |
if (len(enabled_disk_templates) > 1): |
1089 |
# Partition the disk templates, enable them separately and check if the
|
1090 |
# disabled ones cannot be used by instances.
|
1091 |
middle = len(enabled_disk_templates) / 2 |
1092 |
templates1 = enabled_disk_templates[:middle] |
1093 |
templates2 = enabled_disk_templates[middle:] |
1094 |
|
1095 |
for (enabled, disabled) in [(templates1, templates2), |
1096 |
(templates2, templates1)]: |
1097 |
AssertCommand(["gnt-cluster", "modify", |
1098 |
"--enabled-disk-template=%s" %
|
1099 |
",".join(enabled)],
|
1100 |
fail=False)
|
1101 |
for disk_template in disabled: |
1102 |
CreateInstanceByDiskTemplate(nodes, disk_template, True)
|
1103 |
elif (len(enabled_disk_templates) == 1): |
1104 |
# If only one disk template is enabled in the QA config, we have to enable
|
1105 |
# some of the disabled disk templates in order to test if the disabling the
|
1106 |
# only enabled disk template prohibits creating instances of that template.
|
1107 |
AssertCommand(["gnt-cluster", "modify", |
1108 |
"--enabled-disk-template=%s" %
|
1109 |
",".join(disabled_disk_templates)],
|
1110 |
fail=False)
|
1111 |
CreateInstanceByDiskTemplate(nodes, enabled_disk_templates[0], True) |
1112 |
else:
|
1113 |
raise qa_error.Error("Please enable at least one disk template" |
1114 |
" in your QA setup.")
|
1115 |
|
1116 |
# Restore initially enabled disk templates
|
1117 |
AssertCommand(["gnt-cluster", "modify", |
1118 |
"--enabled-disk-template=%s" %
|
1119 |
",".join(enabled_disk_templates)],
|
1120 |
fail=False)
|