ganeti.rapi.client_unittest.py 19 KB
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#!/usr/bin/python
#

# Copyright (C) 2010 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.


"""Script for unittesting the RAPI client module"""


import re
import unittest
import warnings

from ganeti import http
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from ganeti import serializer
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from ganeti.rapi import connector
from ganeti.rapi import rlib2
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from ganeti.rapi import client
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import testutils


_URI_RE = re.compile(r"https://(?P<host>.*):(?P<port>\d+)(?P<path>/.*)")


def _GetPathFromUri(uri):
  """Gets the path and query from a URI.

  """
  match = _URI_RE.match(uri)
  if match:
    return match.groupdict()["path"]
  else:
    return None


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class HttpResponseMock:
  """Dumb mock of httplib.HTTPResponse.
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  """

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  def __init__(self, code, data):
    self.code = code
    self._data = data

  def read(self):
    return self._data
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class OpenerDirectorMock:
  """Mock for urllib.OpenerDirector.
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  """

  def __init__(self, rapi):
    self._rapi = rapi
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    self.last_request = None
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  def open(self, req):
    self.last_request = req
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    path = _GetPathFromUri(req.get_full_url())
    code, resp_body = self._rapi.FetchResponse(path, req.get_method())
    return HttpResponseMock(code, resp_body)
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class RapiMock(object):
  def __init__(self):
    self._mapper = connector.Mapper()
    self._responses = []
    self._last_handler = None

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  def AddResponse(self, response, code=200):
    self._responses.insert(0, (code, response))
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  def GetLastHandler(self):
    return self._last_handler

  def FetchResponse(self, path, method):
    try:
      HandlerClass, items, args = self._mapper.getController(path)
      self._last_handler = HandlerClass(items, args, None)
      if not hasattr(self._last_handler, method.upper()):
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        raise http.HttpNotImplemented(message="Method not implemented")

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    except http.HttpException, ex:
      code = ex.code
      response = ex.message
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    else:
      if not self._responses:
        raise Exception("No responses")
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      (code, response) = self._responses.pop()
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    return code, response


class RapiMockTest(unittest.TestCase):
  def test(self):
    rapi = RapiMock()
    path = "/version"
    self.assertEqual((404, None), rapi.FetchResponse("/foo", "GET"))
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    self.assertEqual((501, "Method not implemented"),
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                     rapi.FetchResponse("/version", "POST"))
    rapi.AddResponse("2")
    code, response = rapi.FetchResponse("/version", "GET")
    self.assertEqual(200, code)
    self.assertEqual("2", response)
    self.failUnless(isinstance(rapi.GetLastHandler(), rlib2.R_version))


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class GanetiRapiClientTests(testutils.GanetiTestCase):
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  def setUp(self):
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    testutils.GanetiTestCase.setUp(self)

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    self.rapi = RapiMock()
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    self.http = OpenerDirectorMock(self.rapi)
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    self.client = client.GanetiRapiClient('master.foo.com')
    self.client._http = self.http
    # Hard-code the version for easier testing.
    self.client._version = 2

  def assertHandler(self, handler_cls):
    self.failUnless(isinstance(self.rapi.GetLastHandler(), handler_cls))

  def assertQuery(self, key, value):
    self.assertEqual(value, self.rapi.GetLastHandler().queryargs.get(key, None))

  def assertItems(self, items):
    self.assertEqual(items, self.rapi.GetLastHandler().items)

  def assertBulk(self):
    self.assertTrue(self.rapi.GetLastHandler().useBulk())

  def assertDryRun(self):
    self.assertTrue(self.rapi.GetLastHandler().dryRun())

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  def testEncodeQuery(self):
    query = [
      ("a", None),
      ("b", 1),
      ("c", 2),
      ("d", "Foo"),
      ("e", True),
      ]

    expected = [
      ("a", ""),
      ("b", 1),
      ("c", 2),
      ("d", "Foo"),
      ("e", 1),
      ]

    self.assertEqualValues(self.client._EncodeQuery(query),
                           expected)

    # invalid types
    for i in [[1, 2, 3], {"moo": "boo"}, (1, 2, 3)]:
      self.assertRaises(ValueError, self.client._EncodeQuery, [("x", i)])

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  def testHttpError(self):
    self.rapi.AddResponse(None, code=404)
    try:
      self.client.GetJobStatus(15140)
    except client.GanetiApiError, err:
      self.assertEqual(err.code, 404)
    else:
      self.fail("Didn't raise exception")

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  def testGetVersion(self):
    self.client._version = None
    self.rapi.AddResponse("2")
    self.assertEqual(2, self.client.GetVersion())
    self.assertHandler(rlib2.R_version)

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  def testGetFeatures(self):
    for features in [[], ["foo", "bar", "baz"]]:
      self.rapi.AddResponse(serializer.DumpJson(features))
      self.assertEqual(features, self.client.GetFeatures())
      self.assertHandler(rlib2.R_2_features)

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  def testGetOperatingSystems(self):
    self.rapi.AddResponse("[\"beos\"]")
    self.assertEqual(["beos"], self.client.GetOperatingSystems())
    self.assertHandler(rlib2.R_2_os)

  def testGetClusterTags(self):
    self.rapi.AddResponse("[\"tag\"]")
    self.assertEqual(["tag"], self.client.GetClusterTags())
    self.assertHandler(rlib2.R_2_tags)

  def testAddClusterTags(self):
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    self.rapi.AddResponse("1234")
    self.assertEqual(1234,
        self.client.AddClusterTags(["awesome"], dry_run=True))
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    self.assertHandler(rlib2.R_2_tags)
    self.assertDryRun()
    self.assertQuery("tag", ["awesome"])

  def testDeleteClusterTags(self):
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    self.rapi.AddResponse("5107")
    self.assertEqual(5107, self.client.DeleteClusterTags(["awesome"],
                                                         dry_run=True))
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    self.assertHandler(rlib2.R_2_tags)
    self.assertDryRun()
    self.assertQuery("tag", ["awesome"])

  def testGetInfo(self):
    self.rapi.AddResponse("{}")
    self.assertEqual({}, self.client.GetInfo())
    self.assertHandler(rlib2.R_2_info)

  def testGetInstances(self):
    self.rapi.AddResponse("[]")
    self.assertEqual([], self.client.GetInstances(bulk=True))
    self.assertHandler(rlib2.R_2_instances)
    self.assertBulk()

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  def testGetInstance(self):
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    self.rapi.AddResponse("[]")
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    self.assertEqual([], self.client.GetInstance("instance"))
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    self.assertHandler(rlib2.R_2_instances_name)
    self.assertItems(["instance"])

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  def testGetInstanceInfo(self):
    self.rapi.AddResponse("21291")
    self.assertEqual(21291, self.client.GetInstanceInfo("inst3"))
    self.assertHandler(rlib2.R_2_instances_name_info)
    self.assertItems(["inst3"])
    self.assertQuery("static", None)

    self.rapi.AddResponse("3428")
    self.assertEqual(3428, self.client.GetInstanceInfo("inst31", static=False))
    self.assertHandler(rlib2.R_2_instances_name_info)
    self.assertItems(["inst31"])
    self.assertQuery("static", ["0"])

    self.rapi.AddResponse("15665")
    self.assertEqual(15665, self.client.GetInstanceInfo("inst32", static=True))
    self.assertHandler(rlib2.R_2_instances_name_info)
    self.assertItems(["inst32"])
    self.assertQuery("static", ["1"])

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  def testCreateInstanceOldVersion(self):
    self.rapi.AddResponse(serializer.DumpJson([]))
    self.assertRaises(NotImplementedError, self.client.CreateInstance,
                      "create", "inst1.example.com", "plain", [], [],
                      dry_run=True)

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  def testCreateInstance(self):
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    self.rapi.AddResponse(serializer.DumpJson([rlib2._INST_CREATE_REQV1]))
    self.rapi.AddResponse("23030")
    job_id = self.client.CreateInstance("create", "inst1.example.com",
                                        "plain", [], [], dry_run=True)
    self.assertEqual(job_id, 23030)
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    self.assertHandler(rlib2.R_2_instances)
    self.assertDryRun()

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    data = serializer.LoadJson(self.http.last_request.data)

    for field in ["dry_run", "beparams", "hvparams", "start"]:
      self.assertFalse(field in data)

    self.assertEqual(data["name"], "inst1.example.com")
    self.assertEqual(data["disk_template"], "plain")

  def testCreateInstance2(self):
    self.rapi.AddResponse(serializer.DumpJson([rlib2._INST_CREATE_REQV1]))
    self.rapi.AddResponse("24740")
    job_id = self.client.CreateInstance("import", "inst2.example.com",
                                        "drbd8", [{"size": 100,}],
                                        [{}, {"bridge": "br1", }],
                                        dry_run=False, start=True,
                                        pnode="node1", snode="node9",
                                        ip_check=False)
    self.assertEqual(job_id, 24740)
    self.assertHandler(rlib2.R_2_instances)

    data = serializer.LoadJson(self.http.last_request.data)
    self.assertEqual(data[rlib2._REQ_DATA_VERSION], 1)
    self.assertEqual(data["name"], "inst2.example.com")
    self.assertEqual(data["disk_template"], "drbd8")
    self.assertEqual(data["start"], True)
    self.assertEqual(data["ip_check"], False)
    self.assertEqualValues(data["disks"], [{"size": 100,}])
    self.assertEqualValues(data["nics"], [{}, {"bridge": "br1", }])

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  def testDeleteInstance(self):
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    self.rapi.AddResponse("1234")
    self.assertEqual(1234, self.client.DeleteInstance("instance", dry_run=True))
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    self.assertHandler(rlib2.R_2_instances_name)
    self.assertItems(["instance"])
    self.assertDryRun()

  def testGetInstanceTags(self):
    self.rapi.AddResponse("[]")
    self.assertEqual([], self.client.GetInstanceTags("fooinstance"))
    self.assertHandler(rlib2.R_2_instances_name_tags)
    self.assertItems(["fooinstance"])

  def testAddInstanceTags(self):
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    self.rapi.AddResponse("1234")
    self.assertEqual(1234,
        self.client.AddInstanceTags("fooinstance", ["awesome"], dry_run=True))
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    self.assertHandler(rlib2.R_2_instances_name_tags)
    self.assertItems(["fooinstance"])
    self.assertDryRun()
    self.assertQuery("tag", ["awesome"])

  def testDeleteInstanceTags(self):
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    self.rapi.AddResponse("25826")
    self.assertEqual(25826, self.client.DeleteInstanceTags("foo", ["awesome"],
                                                           dry_run=True))
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    self.assertHandler(rlib2.R_2_instances_name_tags)
    self.assertItems(["foo"])
    self.assertDryRun()
    self.assertQuery("tag", ["awesome"])

  def testRebootInstance(self):
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    self.rapi.AddResponse("6146")
    job_id = self.client.RebootInstance("i-bar", reboot_type="hard",
                                        ignore_secondaries=True, dry_run=True)
    self.assertEqual(6146, job_id)
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    self.assertHandler(rlib2.R_2_instances_name_reboot)
    self.assertItems(["i-bar"])
    self.assertDryRun()
    self.assertQuery("type", ["hard"])
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    self.assertQuery("ignore_secondaries", ["1"])
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  def testShutdownInstance(self):
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    self.rapi.AddResponse("1487")
    self.assertEqual(1487, self.client.ShutdownInstance("foo-instance",
                                                        dry_run=True))
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    self.assertHandler(rlib2.R_2_instances_name_shutdown)
    self.assertItems(["foo-instance"])
    self.assertDryRun()

  def testStartupInstance(self):
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    self.rapi.AddResponse("27149")
    self.assertEqual(27149, self.client.StartupInstance("bar-instance",
                                                        dry_run=True))
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    self.assertHandler(rlib2.R_2_instances_name_startup)
    self.assertItems(["bar-instance"])
    self.assertDryRun()

  def testReinstallInstance(self):
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    self.rapi.AddResponse("19119")
    self.assertEqual(19119, self.client.ReinstallInstance("baz-instance", "DOS",
                                                          no_startup=True))
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    self.assertHandler(rlib2.R_2_instances_name_reinstall)
    self.assertItems(["baz-instance"])
    self.assertQuery("os", ["DOS"])
    self.assertQuery("nostartup", ["1"])

  def testReplaceInstanceDisks(self):
    self.rapi.AddResponse("999")
    job_id = self.client.ReplaceInstanceDisks("instance-name",
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        disks=[0, 1], dry_run=True, iallocator="hail")
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    self.assertEqual(999, job_id)
    self.assertHandler(rlib2.R_2_instances_name_replace_disks)
    self.assertItems(["instance-name"])
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    self.assertQuery("disks", ["0,1"])
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    self.assertQuery("mode", ["replace_auto"])
    self.assertQuery("iallocator", ["hail"])
    self.assertDryRun()

    self.rapi.AddResponse("1000")
    job_id = self.client.ReplaceInstanceDisks("instance-bar",
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        disks=[1], mode="replace_on_secondary", remote_node="foo-node",
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        dry_run=True)
    self.assertEqual(1000, job_id)
    self.assertItems(["instance-bar"])
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    self.assertQuery("disks", ["1"])
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    self.assertQuery("remote_node", ["foo-node"])
    self.assertDryRun()

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    self.rapi.AddResponse("5175")
    self.assertEqual(5175, self.client.ReplaceInstanceDisks("instance-moo"))
    self.assertItems(["instance-moo"])
    self.assertQuery("disks", None)

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  def testGetJobs(self):
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    self.rapi.AddResponse('[ { "id": "123", "uri": "\\/2\\/jobs\\/123" },'
                          '  { "id": "124", "uri": "\\/2\\/jobs\\/124" } ]')
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    self.assertEqual([123, 124], self.client.GetJobs())
    self.assertHandler(rlib2.R_2_jobs)

  def testGetJobStatus(self):
    self.rapi.AddResponse("{\"foo\": \"bar\"}")
    self.assertEqual({"foo": "bar"}, self.client.GetJobStatus(1234))
    self.assertHandler(rlib2.R_2_jobs_id)
    self.assertItems(["1234"])

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  def testWaitForJobChange(self):
    fields = ["id", "summary"]
    expected = {
      "job_info": [123, "something"],
      "log_entries": [],
      }

    self.rapi.AddResponse(serializer.DumpJson(expected))
    result = self.client.WaitForJobChange(123, fields, [], -1)
    self.assertEqualValues(expected, result)
    self.assertHandler(rlib2.R_2_jobs_id_wait)
    self.assertItems(["123"])

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  def testCancelJob(self):
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    self.rapi.AddResponse("[true, \"Job 123 will be canceled\"]")
    self.assertEqual([True, "Job 123 will be canceled"],
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                     self.client.CancelJob(999, dry_run=True))
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    self.assertHandler(rlib2.R_2_jobs_id)
    self.assertItems(["999"])
    self.assertDryRun()

  def testGetNodes(self):
    self.rapi.AddResponse("[ { \"id\": \"node1\", \"uri\": \"uri1\" },"
                          " { \"id\": \"node2\", \"uri\": \"uri2\" } ]")
    self.assertEqual(["node1", "node2"], self.client.GetNodes())
    self.assertHandler(rlib2.R_2_nodes)

    self.rapi.AddResponse("[ { \"id\": \"node1\", \"uri\": \"uri1\" },"
                          " { \"id\": \"node2\", \"uri\": \"uri2\" } ]")
    self.assertEqual([{"id": "node1", "uri": "uri1"},
                      {"id": "node2", "uri": "uri2"}],
                     self.client.GetNodes(bulk=True))
    self.assertHandler(rlib2.R_2_nodes)
    self.assertBulk()

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  def testGetNode(self):
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    self.rapi.AddResponse("{}")
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    self.assertEqual({}, self.client.GetNode("node-foo"))
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    self.assertHandler(rlib2.R_2_nodes_name)
    self.assertItems(["node-foo"])

  def testEvacuateNode(self):
    self.rapi.AddResponse("9876")
    job_id = self.client.EvacuateNode("node-1", remote_node="node-2")
    self.assertEqual(9876, job_id)
    self.assertHandler(rlib2.R_2_nodes_name_evacuate)
    self.assertItems(["node-1"])
    self.assertQuery("remote_node", ["node-2"])

    self.rapi.AddResponse("8888")
    job_id = self.client.EvacuateNode("node-3", iallocator="hail", dry_run=True)
    self.assertEqual(8888, job_id)
    self.assertItems(["node-3"])
    self.assertQuery("iallocator", ["hail"])
    self.assertDryRun()

    self.assertRaises(client.GanetiApiError,
                      self.client.EvacuateNode,
                      "node-4", iallocator="hail", remote_node="node-5")

  def testMigrateNode(self):
    self.rapi.AddResponse("1111")
    self.assertEqual(1111, self.client.MigrateNode("node-a", dry_run=True))
    self.assertHandler(rlib2.R_2_nodes_name_migrate)
    self.assertItems(["node-a"])
    self.assertQuery("live", ["1"])
    self.assertDryRun()

  def testGetNodeRole(self):
    self.rapi.AddResponse("\"master\"")
    self.assertEqual("master", self.client.GetNodeRole("node-a"))
    self.assertHandler(rlib2.R_2_nodes_name_role)
    self.assertItems(["node-a"])

  def testSetNodeRole(self):
    self.rapi.AddResponse("789")
    self.assertEqual(789,
        self.client.SetNodeRole("node-foo", "master-candidate", force=True))
    self.assertHandler(rlib2.R_2_nodes_name_role)
    self.assertItems(["node-foo"])
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    self.assertQuery("force", ["1"])
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    self.assertEqual("\"master-candidate\"", self.http.last_request.data)
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  def testGetNodeStorageUnits(self):
    self.rapi.AddResponse("42")
    self.assertEqual(42,
        self.client.GetNodeStorageUnits("node-x", "lvm-pv", "fields"))
    self.assertHandler(rlib2.R_2_nodes_name_storage)
    self.assertItems(["node-x"])
    self.assertQuery("storage_type", ["lvm-pv"])
    self.assertQuery("output_fields", ["fields"])

  def testModifyNodeStorageUnits(self):
    self.rapi.AddResponse("14")
    self.assertEqual(14,
        self.client.ModifyNodeStorageUnits("node-z", "lvm-pv", "hda"))
    self.assertHandler(rlib2.R_2_nodes_name_storage_modify)
    self.assertItems(["node-z"])
    self.assertQuery("storage_type", ["lvm-pv"])
    self.assertQuery("name", ["hda"])
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    self.assertQuery("allocatable", None)

    for allocatable, query_allocatable in [(True, "1"), (False, "0")]:
      self.rapi.AddResponse("7205")
      job_id = self.client.ModifyNodeStorageUnits("node-z", "lvm-pv", "hda",
                                                  allocatable=allocatable)
      self.assertEqual(7205, job_id)
      self.assertHandler(rlib2.R_2_nodes_name_storage_modify)
      self.assertItems(["node-z"])
      self.assertQuery("storage_type", ["lvm-pv"])
      self.assertQuery("name", ["hda"])
      self.assertQuery("allocatable", [query_allocatable])
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  def testRepairNodeStorageUnits(self):
    self.rapi.AddResponse("99")
    self.assertEqual(99, self.client.RepairNodeStorageUnits("node-z", "lvm-pv",
                                                            "hda"))
    self.assertHandler(rlib2.R_2_nodes_name_storage_repair)
    self.assertItems(["node-z"])
    self.assertQuery("storage_type", ["lvm-pv"])
    self.assertQuery("name", ["hda"])

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  def testGetNodeTags(self):
    self.rapi.AddResponse("[\"fry\", \"bender\"]")
    self.assertEqual(["fry", "bender"], self.client.GetNodeTags("node-k"))
    self.assertHandler(rlib2.R_2_nodes_name_tags)
    self.assertItems(["node-k"])

  def testAddNodeTags(self):
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    self.rapi.AddResponse("1234")
    self.assertEqual(1234,
        self.client.AddNodeTags("node-v", ["awesome"], dry_run=True))
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    self.assertHandler(rlib2.R_2_nodes_name_tags)
    self.assertItems(["node-v"])
    self.assertDryRun()
    self.assertQuery("tag", ["awesome"])

  def testDeleteNodeTags(self):
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    self.rapi.AddResponse("16861")
    self.assertEqual(16861, self.client.DeleteNodeTags("node-w", ["awesome"],
                                                       dry_run=True))
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    self.assertHandler(rlib2.R_2_nodes_name_tags)
    self.assertItems(["node-w"])
    self.assertDryRun()
    self.assertQuery("tag", ["awesome"])


if __name__ == '__main__':
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  testutils.GanetiTestProgram()