Synnefo » snf-ganeti

#

#

# Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.

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# the Free Software Foundation; either version 2 of the License, or

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# This program is distributed in the hope that it will be useful, but

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# General Public License for more details.

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# 02110-1301, USA.

"""Remote API QA tests.

"""

import tempfile

import random

import re

import itertools

from ganeti import utils

from ganeti import constants

from ganeti import errors

from ganeti import cli

from ganeti import rapi

from ganeti import objects

from ganeti import query

from ganeti import compat

from ganeti import qlang

import ganeti.rapi.client        # pylint: disable=W0611

import ganeti.rapi.client_utils

import qa_config

import qa_utils

import qa_error

from qa_utils import (AssertEqual, AssertIn, AssertMatch, StartLocalCommand)

from qa_utils import InstanceCheck, INST_DOWN, INST_UP, FIRST_ARG

_rapi_ca = None

_rapi_client = None

_rapi_username = None

_rapi_password = None

def Setup(username, password):

  """Configures the RAPI client.

  """

  # pylint: disable=W0603

  # due to global usage

  global _rapi_ca

  global _rapi_client

  global _rapi_username

  global _rapi_password

  _rapi_username = username

  _rapi_password = password

  master = qa_config.GetMasterNode()

  # Load RAPI certificate from master node

  cmd = ["cat", constants.RAPI_CERT_FILE]

  # Write to temporary file

  _rapi_ca = tempfile.NamedTemporaryFile()

  _rapi_ca.write(qa_utils.GetCommandOutput(master["primary"],

                                           utils.ShellQuoteArgs(cmd)))

  _rapi_ca.flush()

  port = qa_config.get("rapi-port", default=constants.DEFAULT_RAPI_PORT)

  cfg_curl = rapi.client.GenericCurlConfig(cafile=_rapi_ca.name,

                                           proxy="")

  _rapi_client = rapi.client.GanetiRapiClient(master["primary"], port=port,

                                              username=username,

                                              password=password,

                                              curl_config_fn=cfg_curl)

  print "RAPI protocol version: %s" % _rapi_client.GetVersion()

INSTANCE_FIELDS = ("name", "os", "pnode", "snodes",

                   "admin_state",

                   "disk_template", "disk.sizes",

                   "nic.ips", "nic.macs", "nic.modes", "nic.links",

                   "beparams", "hvparams",

                   "oper_state", "oper_ram", "oper_vcpus", "status", "tags")

NODE_FIELDS = ("name", "dtotal", "dfree",

               "mtotal", "mnode", "mfree",

               "pinst_cnt", "sinst_cnt", "tags")

GROUP_FIELDS = frozenset([

  "name", "uuid",

  "alloc_policy",

  "node_cnt", "node_list",

  ])

JOB_FIELDS = frozenset([

  "id", "ops", "status", "summary",

  "opstatus", "opresult", "oplog",

  "received_ts", "start_ts", "end_ts",

  ])

LIST_FIELDS = ("id", "uri")

def Enabled():

  """Return whether remote API tests should be run.

  """

  return qa_config.TestEnabled("rapi")

def _DoTests(uris):

  # pylint: disable=W0212

  # due to _SendRequest usage

  results = []

  for uri, verify, method, body in uris:

    assert uri.startswith("/")

    print "%s %s" % (method, uri)

    data = _rapi_client._SendRequest(method, uri, None, body)

    if verify is not None:

      if callable(verify):

        verify(data)

      else:

        AssertEqual(data, verify)

    results.append(data)

  return results

def _VerifyReturnsJob(data):

  if not isinstance(data, int):

    AssertMatch(data, r"^\d+$")

def TestVersion():

  """Testing remote API version.

  """

  _DoTests([

    ("/version", constants.RAPI_VERSION, "GET", None),

    ])

def TestEmptyCluster():

  """Testing remote API on an empty cluster.

  """

  master = qa_config.GetMasterNode()

  master_full = qa_utils.ResolveNodeName(master)

  def _VerifyInfo(data):

    AssertIn("name", data)

    AssertIn("master", data)

    AssertEqual(data["master"], master_full)

  def _VerifyNodes(data):

    master_entry = {

      "id": master_full,

      "uri": "/2/nodes/%s" % master_full,

      }

    AssertIn(master_entry, data)

  def _VerifyNodesBulk(data):

    for node in data:

      for entry in NODE_FIELDS:

        AssertIn(entry, node)

  def _VerifyGroups(data):

    default_group = {

      "name": constants.INITIAL_NODE_GROUP_NAME,

      "uri": "/2/groups/" + constants.INITIAL_NODE_GROUP_NAME,

      }

    AssertIn(default_group, data)

  def _VerifyGroupsBulk(data):

    for group in data:

      for field in GROUP_FIELDS:

        AssertIn(field, group)

  _DoTests([

    ("/", None, "GET", None),

    ("/2/info", _VerifyInfo, "GET", None),

    ("/2/tags", None, "GET", None),

    ("/2/nodes", _VerifyNodes, "GET", None),

    ("/2/nodes?bulk=1", _VerifyNodesBulk, "GET", None),

    ("/2/groups", _VerifyGroups, "GET", None),

    ("/2/groups?bulk=1", _VerifyGroupsBulk, "GET", None),

    ("/2/instances", [], "GET", None),

    ("/2/instances?bulk=1", [], "GET", None),

    ("/2/os", None, "GET", None),

    ])

  # Test HTTP Not Found

  for method in ["GET", "PUT", "POST", "DELETE"]:

    try:

      _DoTests([("/99/resource/not/here/99", None, method, None)])

    except rapi.client.GanetiApiError, err:

      AssertEqual(err.code, 404)

    else:

      raise qa_error.Error("Non-existent resource didn't return HTTP 404")

  # Test HTTP Not Implemented

  for method in ["PUT", "POST", "DELETE"]:

    try:

      _DoTests([("/version", None, method, None)])

    except rapi.client.GanetiApiError, err:

      AssertEqual(err.code, 501)

    else:

      raise qa_error.Error("Non-implemented method didn't fail")

def TestRapiQuery():

  """Testing resource queries via remote API.

  """

  master_name = qa_utils.ResolveNodeName(qa_config.GetMasterNode())

  rnd = random.Random(7818)

  for what in constants.QR_VIA_RAPI:

    if what == constants.QR_JOB:

      namefield = "id"

    elif what == constants.QR_EXPORT:

      namefield = "export"

    else:

      namefield = "name"

    all_fields = query.ALL_FIELDS[what].keys()

    rnd.shuffle(all_fields)

    # No fields, should return everything

    result = _rapi_client.QueryFields(what)

    qresult = objects.QueryFieldsResponse.FromDict(result)

    AssertEqual(len(qresult.fields), len(all_fields))

    # One field

    result = _rapi_client.QueryFields(what, fields=[namefield])

    qresult = objects.QueryFieldsResponse.FromDict(result)

    AssertEqual(len(qresult.fields), 1)

    # Specify all fields, order must be correct

    result = _rapi_client.QueryFields(what, fields=all_fields)

    qresult = objects.QueryFieldsResponse.FromDict(result)

    AssertEqual(len(qresult.fields), len(all_fields))

    AssertEqual([fdef.name for fdef in qresult.fields], all_fields)

    # Unknown field

    result = _rapi_client.QueryFields(what, fields=["_unknown!"])

    qresult = objects.QueryFieldsResponse.FromDict(result)

    AssertEqual(len(qresult.fields), 1)

    AssertEqual(qresult.fields[0].name, "_unknown!")

    AssertEqual(qresult.fields[0].kind, constants.QFT_UNKNOWN)

    # Try once more, this time without the client

    _DoTests([

      ("/2/query/%s/fields" % what, None, "GET", None),

      ("/2/query/%s/fields?fields=name,name,%s" % (what, all_fields[0]),

       None, "GET", None),

      ])

    # Try missing query argument

    try:

      _DoTests([

        ("/2/query/%s" % what, None, "GET", None),

        ])

    except rapi.client.GanetiApiError, err:

      AssertEqual(err.code, 400)

    else:

      raise qa_error.Error("Request missing 'fields' parameter didn't fail")

    def _Check(exp_fields, data):

      qresult = objects.QueryResponse.FromDict(data)

      AssertEqual([fdef.name for fdef in qresult.fields], exp_fields)

      if not isinstance(qresult.data, list):

        raise qa_error.Error("Query did not return a list")

    _DoTests([

      # Specify fields in query

      ("/2/query/%s?fields=%s" % (what, ",".join(all_fields)),

       compat.partial(_Check, all_fields), "GET", None),

      ("/2/query/%s?fields=%s" % (what, namefield),

       compat.partial(_Check, [namefield]), "GET", None),

      # Note the spaces

      ("/2/query/%s?fields=%s,%%20%s%%09,%s%%20" %

       (what, namefield, namefield, namefield),

       compat.partial(_Check, [namefield] * 3), "GET", None),

      # PUT with fields in query

      ("/2/query/%s?fields=%s" % (what, namefield),

       compat.partial(_Check, [namefield]), "PUT", {}),

      # Fields in body

      ("/2/query/%s" % what, compat.partial(_Check, all_fields), "PUT", {

         "fields": all_fields,

         }),

      ("/2/query/%s" % what, compat.partial(_Check, [namefield] * 4), "PUT", {

         "fields": [namefield] * 4,

         }),

      ])

    def _CheckFilter():

      _DoTests([

        # With filter

        ("/2/query/%s" % what, compat.partial(_Check, all_fields), "PUT", {

           "fields": all_fields,

           "filter": [qlang.OP_TRUE, namefield],

           }),

        ])

    if what == constants.QR_LOCK:

      # Locks can't be filtered

      try:

        _CheckFilter()

      except rapi.client.GanetiApiError, err:

        AssertEqual(err.code, 500)

      else:

        raise qa_error.Error("Filtering locks didn't fail")

    else:

      _CheckFilter()

    if what == constants.QR_NODE:

      # Test with filter

      (nodes, ) = _DoTests(

        [("/2/query/%s" % what,

          compat.partial(_Check, ["name", "master"]), "PUT",

          {"fields": ["name", "master"],

           "filter": [qlang.OP_TRUE, "master"],

           })])

      qresult = objects.QueryResponse.FromDict(nodes)

      AssertEqual(qresult.data, [

        [[constants.RS_NORMAL, master_name], [constants.RS_NORMAL, True]],

        ])

@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)

def TestInstance(instance):

  """Testing getting instance(s) info via remote API.

  """

  def _VerifyInstance(data):

    for entry in INSTANCE_FIELDS:

      AssertIn(entry, data)

  def _VerifyInstancesList(data):

    for instance in data:

      for entry in LIST_FIELDS:

        AssertIn(entry, instance)

  def _VerifyInstancesBulk(data):

    for instance_data in data:

      _VerifyInstance(instance_data)

  _DoTests([

    ("/2/instances/%s" % instance["name"], _VerifyInstance, "GET", None),

    ("/2/instances", _VerifyInstancesList, "GET", None),

    ("/2/instances?bulk=1", _VerifyInstancesBulk, "GET", None),

    ("/2/instances/%s/activate-disks" % instance["name"],

     _VerifyReturnsJob, "PUT", None),

    ("/2/instances/%s/deactivate-disks" % instance["name"],

     _VerifyReturnsJob, "PUT", None),

    ])

  # Test OpBackupPrepare

  (job_id, ) = _DoTests([

    ("/2/instances/%s/prepare-export?mode=%s" %

     (instance["name"], constants.EXPORT_MODE_REMOTE),

     _VerifyReturnsJob, "PUT", None),

    ])

  result = _WaitForRapiJob(job_id)[0]

  AssertEqual(len(result["handshake"]), 3)

  AssertEqual(result["handshake"][0], constants.RIE_VERSION)

  AssertEqual(len(result["x509_key_name"]), 3)

  AssertIn("-----BEGIN CERTIFICATE-----", result["x509_ca"])

def TestNode(node):

  """Testing getting node(s) info via remote API.

  """

  def _VerifyNode(data):

    for entry in NODE_FIELDS:

      AssertIn(entry, data)

  def _VerifyNodesList(data):

    for node in data:

      for entry in LIST_FIELDS:

        AssertIn(entry, node)

  def _VerifyNodesBulk(data):

    for node_data in data:

      _VerifyNode(node_data)

  _DoTests([

    ("/2/nodes/%s" % node["primary"], _VerifyNode, "GET", None),

    ("/2/nodes", _VerifyNodesList, "GET", None),

    ("/2/nodes?bulk=1", _VerifyNodesBulk, "GET", None),

    ])

def _FilterTags(seq):

  """Removes unwanted tags from a sequence.

  """

  ignore_re = qa_config.get("ignore-tags-re", None)

  if ignore_re:

    return itertools.ifilterfalse(re.compile(ignore_re).match, seq)

  else:

    return seq

def TestTags(kind, name, tags):

  """Tests .../tags resources.

  """

  if kind == constants.TAG_CLUSTER:

    uri = "/2/tags"

  elif kind == constants.TAG_NODE:

    uri = "/2/nodes/%s/tags" % name

  elif kind == constants.TAG_INSTANCE:

    uri = "/2/instances/%s/tags" % name

  elif kind == constants.TAG_NODEGROUP:

    uri = "/2/groups/%s/tags" % name

  else:

    raise errors.ProgrammerError("Unknown tag kind")

  def _VerifyTags(data):

    AssertEqual(sorted(tags), sorted(_FilterTags(data)))

  queryargs = "&".join("tag=%s" % i for i in tags)

  # Add tags

  (job_id, ) = _DoTests([

    ("%s?%s" % (uri, queryargs), _VerifyReturnsJob, "PUT", None),

    ])

  _WaitForRapiJob(job_id)

  # Retrieve tags

  _DoTests([

    (uri, _VerifyTags, "GET", None),

    ])

  # Remove tags

  (job_id, ) = _DoTests([

    ("%s?%s" % (uri, queryargs), _VerifyReturnsJob, "DELETE", None),

    ])

  _WaitForRapiJob(job_id)

def _WaitForRapiJob(job_id):

  """Waits for a job to finish.

  """

  def _VerifyJob(data):

    AssertEqual(data["id"], job_id)

    for field in JOB_FIELDS:

      AssertIn(field, data)

  _DoTests([

    ("/2/jobs/%s" % job_id, _VerifyJob, "GET", None),

    ])

  return rapi.client_utils.PollJob(_rapi_client, job_id,

                                   cli.StdioJobPollReportCb())

def TestRapiNodeGroups():

  """Test several node group operations using RAPI.

  """

  groups = qa_config.get("groups", {})

  group1, group2, group3 = groups.get("inexistent-groups",

                                      ["group1", "group2", "group3"])[:3]

  # Create a group with no attributes

  body = {

    "name": group1,

    }

  (job_id, ) = _DoTests([

    ("/2/groups", _VerifyReturnsJob, "POST", body),

    ])

  _WaitForRapiJob(job_id)

  # Create a group specifying alloc_policy

  body = {

    "name": group2,

    "alloc_policy": constants.ALLOC_POLICY_UNALLOCABLE,

    }

  (job_id, ) = _DoTests([

    ("/2/groups", _VerifyReturnsJob, "POST", body),

    ])

  _WaitForRapiJob(job_id)

  # Modify alloc_policy

  body = {

    "alloc_policy": constants.ALLOC_POLICY_UNALLOCABLE,

    }

  (job_id, ) = _DoTests([

    ("/2/groups/%s/modify" % group1, _VerifyReturnsJob, "PUT", body),

    ])

  _WaitForRapiJob(job_id)

  # Rename a group

  body = {

    "new_name": group3,

    }

  (job_id, ) = _DoTests([

    ("/2/groups/%s/rename" % group2, _VerifyReturnsJob, "PUT", body),

    ])

  _WaitForRapiJob(job_id)

  # Delete groups

  for group in [group1, group3]:

    (job_id, ) = _DoTests([

      ("/2/groups/%s" % group, _VerifyReturnsJob, "DELETE", None),

      ])

    _WaitForRapiJob(job_id)

def TestRapiInstanceAdd(node, use_client):

  """Test adding a new instance via RAPI"""

  instance = qa_config.AcquireInstance()

  try:

    disk_sizes = [utils.ParseUnit(size) for size in qa_config.get("disk")]

    disks = [{"size": size} for size in disk_sizes]

    nic0_mac = qa_config.GetInstanceNicMac(instance,

                                           default=constants.VALUE_GENERATE)

    nics = [{

      constants.INIC_MAC: nic0_mac,

      }]

    beparams = {

      constants.BE_MAXMEM: utils.ParseUnit(qa_config.get(constants.BE_MAXMEM)),

      constants.BE_MINMEM: utils.ParseUnit(qa_config.get(constants.BE_MINMEM)),

      }

    if use_client:

      job_id = _rapi_client.CreateInstance(constants.INSTANCE_CREATE,

                                           instance["name"],

                                           constants.DT_PLAIN,

                                           disks, nics,

                                           os=qa_config.get("os"),

                                           pnode=node["primary"],

                                           beparams=beparams)

    else:

      body = {

        "__version__": 1,

        "mode": constants.INSTANCE_CREATE,

        "name": instance["name"],

        "os_type": qa_config.get("os"),

        "disk_template": constants.DT_PLAIN,

        "pnode": node["primary"],

        "beparams": beparams,

        "disks": disks,

        "nics": nics,

        }

      (job_id, ) = _DoTests([

        ("/2/instances", _VerifyReturnsJob, "POST", body),

        ])

    _WaitForRapiJob(job_id)

    return instance

  except:

    qa_config.ReleaseInstance(instance)

    raise

@InstanceCheck(None, INST_DOWN, FIRST_ARG)

def TestRapiInstanceRemove(instance, use_client):

  """Test removing instance via RAPI"""

  if use_client:

    job_id = _rapi_client.DeleteInstance(instance["name"])

  else:

    (job_id, ) = _DoTests([

      ("/2/instances/%s" % instance["name"], _VerifyReturnsJob, "DELETE", None),

      ])

  _WaitForRapiJob(job_id)

  qa_config.ReleaseInstance(instance)

@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)

def TestRapiInstanceMigrate(instance):

  """Test migrating instance via RAPI"""

  # Move to secondary node

  _WaitForRapiJob(_rapi_client.MigrateInstance(instance["name"]))

  qa_utils.RunInstanceCheck(instance, True)

  # And back to previous primary

  _WaitForRapiJob(_rapi_client.MigrateInstance(instance["name"]))

@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)

def TestRapiInstanceFailover(instance):

  """Test failing over instance via RAPI"""

  # Move to secondary node

  _WaitForRapiJob(_rapi_client.FailoverInstance(instance["name"]))

  qa_utils.RunInstanceCheck(instance, True)

  # And back to previous primary

  _WaitForRapiJob(_rapi_client.FailoverInstance(instance["name"]))

@InstanceCheck(INST_UP, INST_DOWN, FIRST_ARG)

def TestRapiInstanceShutdown(instance):

  """Test stopping an instance via RAPI"""

  _WaitForRapiJob(_rapi_client.ShutdownInstance(instance["name"]))

@InstanceCheck(INST_DOWN, INST_UP, FIRST_ARG)

def TestRapiInstanceStartup(instance):

  """Test starting an instance via RAPI"""

  _WaitForRapiJob(_rapi_client.StartupInstance(instance["name"]))

@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)

def TestRapiInstanceRenameAndBack(rename_source, rename_target):

  """Test renaming instance via RAPI

  This must leave the instance with the original name (in the

  non-failure case).

  """

  _WaitForRapiJob(_rapi_client.RenameInstance(rename_source, rename_target))

  qa_utils.RunInstanceCheck(rename_source, False)

  qa_utils.RunInstanceCheck(rename_target, False)

  _WaitForRapiJob(_rapi_client.RenameInstance(rename_target, rename_source))

  qa_utils.RunInstanceCheck(rename_target, False)

@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)

def TestRapiInstanceReinstall(instance):

  """Test reinstalling an instance via RAPI"""

  _WaitForRapiJob(_rapi_client.ReinstallInstance(instance["name"]))

  # By default, the instance is started again

  qa_utils.RunInstanceCheck(instance, True)

  # Reinstall again without starting

  _WaitForRapiJob(_rapi_client.ReinstallInstance(instance["name"],

                                                 no_startup=True))

@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)

def TestRapiInstanceReplaceDisks(instance):

  """Test replacing instance disks via RAPI"""

  fn = _rapi_client.ReplaceInstanceDisks

  _WaitForRapiJob(fn(instance["name"],

                     mode=constants.REPLACE_DISK_AUTO, disks=[]))

  _WaitForRapiJob(fn(instance["name"],

                     mode=constants.REPLACE_DISK_SEC, disks="0"))

@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)

def TestRapiInstanceModify(instance):

  """Test modifying instance via RAPI"""

  default_hv = qa_config.GetDefaultHypervisor()

  def _ModifyInstance(**kwargs):

    _WaitForRapiJob(_rapi_client.ModifyInstance(instance["name"], **kwargs))

  _ModifyInstance(beparams={

    constants.BE_VCPUS: 3,

    })

  _ModifyInstance(beparams={

    constants.BE_VCPUS: constants.VALUE_DEFAULT,

    })

  if default_hv == constants.HT_XEN_PVM:

    _ModifyInstance(hvparams={

      constants.HV_KERNEL_ARGS: "single",

      })

    _ModifyInstance(hvparams={

      constants.HV_KERNEL_ARGS: constants.VALUE_DEFAULT,

      })

  elif default_hv == constants.HT_XEN_HVM:

    _ModifyInstance(hvparams={

      constants.HV_BOOT_ORDER: "acn",

      })

    _ModifyInstance(hvparams={

      constants.HV_BOOT_ORDER: constants.VALUE_DEFAULT,

      })

@InstanceCheck(INST_UP, INST_UP, FIRST_ARG)

def TestRapiInstanceConsole(instance):

  """Test getting instance console information via RAPI"""

  result = _rapi_client.GetInstanceConsole(instance["name"])

  console = objects.InstanceConsole.FromDict(result)

  AssertEqual(console.Validate(), True)

  AssertEqual(console.instance, qa_utils.ResolveInstanceName(instance["name"]))

@InstanceCheck(INST_DOWN, INST_DOWN, FIRST_ARG)

def TestRapiStoppedInstanceConsole(instance):

  """Test getting stopped instance's console information via RAPI"""

  try:

    _rapi_client.GetInstanceConsole(instance["name"])

  except rapi.client.GanetiApiError, err:

    AssertEqual(err.code, 503)

  else:

    raise qa_error.Error("Getting console for stopped instance didn't"

                         " return HTTP 503")

def GetOperatingSystems():

  """Retrieves a list of all available operating systems.

  """

  return _rapi_client.GetOperatingSystems()

def TestInterClusterInstanceMove(src_instance, dest_instance,

                                 pnode, snode, tnode):

  """Test tools/move-instance"""

  master = qa_config.GetMasterNode()

  rapi_pw_file = tempfile.NamedTemporaryFile()

  rapi_pw_file.write(_rapi_password)

  rapi_pw_file.flush()

  # TODO: Run some instance tests before moving back

  if snode is None:

    # instance is not redundant, but we still need to pass a node

    # (which will be ignored)

    fsec = tnode

  else:

    fsec = snode

  # note: pnode:snode are the *current* nodes, so we move it first to

  # tnode:pnode, then back to pnode:snode

  for si, di, pn, sn in [(src_instance["name"], dest_instance["name"],

                          tnode["primary"], pnode["primary"]),

                         (dest_instance["name"], src_instance["name"],

                          pnode["primary"], fsec["primary"])]:

    cmd = [

      "../tools/move-instance",

      "--verbose",

      "--src-ca-file=%s" % _rapi_ca.name,

      "--src-username=%s" % _rapi_username,

      "--src-password-file=%s" % rapi_pw_file.name,

      "--dest-instance-name=%s" % di,

      "--dest-primary-node=%s" % pn,

      "--dest-secondary-node=%s" % sn,

      "--net=0:mac=%s" % constants.VALUE_GENERATE,

      master["primary"],

      master["primary"],

      si,

      ]

    qa_utils.RunInstanceCheck(di, False)

    AssertEqual(StartLocalCommand(cmd).wait(), 0)

    qa_utils.RunInstanceCheck(si, False)

    qa_utils.RunInstanceCheck(di, True)