ganeti.rapi.client_unittest.py

#!/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
import pycurl

from ganeti import constants
from ganeti import http
from ganeti import serializer

from ganeti.rapi import connector
from ganeti.rapi import rlib2
from ganeti.rapi import client

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


class FakeCurl:
  def __init__(self, rapi):
    self._rapi = rapi
    self._opts = {}
    self._info = {}

  def setopt(self, opt, value):
    self._opts[opt] = value

  def getopt(self, opt):
    return self._opts.get(opt)

  def unsetopt(self, opt):
    self._opts.pop(opt, None)

  def getinfo(self, info):
    return self._info[info]

  def perform(self):
    method = self._opts[pycurl.CUSTOMREQUEST]
    url = self._opts[pycurl.URL]
    request_body = self._opts[pycurl.POSTFIELDS]
    writefn = self._opts[pycurl.WRITEFUNCTION]

    path = _GetPathFromUri(url)
    (code, resp_body) = self._rapi.FetchResponse(path, method, request_body)

    self._info[pycurl.RESPONSE_CODE] = code
    if resp_body is not None:
      writefn(resp_body)


class RapiMock(object):
  def __init__(self):
    self._mapper = connector.Mapper()
    self._responses = []
    self._last_handler = None
    self._last_req_data = None

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

  def CountPending(self):
    return len(self._responses)

  def GetLastHandler(self):
    return self._last_handler

  def GetLastRequestData(self):
    return self._last_req_data

  def FetchResponse(self, path, method, request_body):
    self._last_req_data = request_body

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

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

      (code, response) = self._responses.pop()

    return code, response


class TestConstants(unittest.TestCase):
  def test(self):
    self.assertEqual(client.GANETI_RAPI_PORT, constants.DEFAULT_RAPI_PORT)
    self.assertEqual(client.GANETI_RAPI_VERSION, constants.RAPI_VERSION)
    self.assertEqual(client.HTTP_APP_JSON, http.HTTP_APP_JSON)
    self.assertEqual(client._REQ_DATA_VERSION_FIELD, rlib2._REQ_DATA_VERSION)
    self.assertEqual(client._INST_CREATE_REQV1, rlib2._INST_CREATE_REQV1)
    self.assertEqual(client._INST_NIC_PARAMS, constants.INIC_PARAMS)


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


def _FakeNoSslPycurlVersion():
  # Note: incomplete version tuple
  return (3, "7.16.0", 462848, "mysystem", 1581, None, 0)


def _FakeFancySslPycurlVersion():
  # Note: incomplete version tuple
  return (3, "7.16.0", 462848, "mysystem", 1581, "FancySSL/1.2.3", 0)


def _FakeOpenSslPycurlVersion():
  # Note: incomplete version tuple
  return (2, "7.15.5", 462597, "othersystem", 668, "OpenSSL/0.9.8c", 0)


def _FakeGnuTlsPycurlVersion():
  # Note: incomplete version tuple
  return (3, "7.18.0", 463360, "somesystem", 1581, "GnuTLS/2.0.4", 0)


class TestExtendedConfig(unittest.TestCase):
  def testAuth(self):
    curl = FakeCurl(RapiMock())
    cl = client.GanetiRapiClient("master.example.com",
                                 username="user", password="pw",
                                 curl=curl)

    self.assertEqual(curl.getopt(pycurl.HTTPAUTH), pycurl.HTTPAUTH_BASIC)
    self.assertEqual(curl.getopt(pycurl.USERPWD), "user:pw")

  def testInvalidAuth(self):
    # No username
    self.assertRaises(client.Error, client.GanetiRapiClient,
                      "master-a.example.com", password="pw")
    # No password
    self.assertRaises(client.Error, client.GanetiRapiClient,
                      "master-b.example.com", username="user")

  def testCertVerifyInvalidCombinations(self):
    self.assertRaises(client.Error, client.GenericCurlConfig,
                      use_curl_cabundle=True, cafile="cert1.pem")
    self.assertRaises(client.Error, client.GenericCurlConfig,
                      use_curl_cabundle=True, capath="certs/")
    self.assertRaises(client.Error, client.GenericCurlConfig,
                      use_curl_cabundle=True,
                      cafile="cert1.pem", capath="certs/")

  def testProxySignalVerifyHostname(self):
    for use_gnutls in [False, True]:
      if use_gnutls:
        pcverfn = _FakeGnuTlsPycurlVersion
      else:
        pcverfn = _FakeOpenSslPycurlVersion

      for proxy in ["", "http://127.0.0.1:1234"]:
        for use_signal in [False, True]:
          for verify_hostname in [False, True]:
            cfgfn = client.GenericCurlConfig(proxy=proxy, use_signal=use_signal,
                                             verify_hostname=verify_hostname,
                                             _pycurl_version_fn=pcverfn)

            curl = FakeCurl(RapiMock())
            cl = client.GanetiRapiClient("master.example.com",
                                         curl_config_fn=cfgfn, curl=curl)

            self.assertEqual(curl.getopt(pycurl.PROXY), proxy)
            self.assertEqual(curl.getopt(pycurl.NOSIGNAL), not use_signal)

            if verify_hostname:
              self.assertEqual(curl.getopt(pycurl.SSL_VERIFYHOST), 2)
            else:
              self.assertEqual(curl.getopt(pycurl.SSL_VERIFYHOST), 0)

  def testNoCertVerify(self):
    cfgfn = client.GenericCurlConfig()

    curl = FakeCurl(RapiMock())
    cl = client.GanetiRapiClient("master.example.com", curl_config_fn=cfgfn,
                                 curl=curl)

    self.assertFalse(curl.getopt(pycurl.SSL_VERIFYPEER))
    self.assertFalse(curl.getopt(pycurl.CAINFO))
    self.assertFalse(curl.getopt(pycurl.CAPATH))

  def testCertVerifyCurlBundle(self):
    cfgfn = client.GenericCurlConfig(use_curl_cabundle=True)

    curl = FakeCurl(RapiMock())
    cl = client.GanetiRapiClient("master.example.com", curl_config_fn=cfgfn,
                                 curl=curl)

    self.assert_(curl.getopt(pycurl.SSL_VERIFYPEER))
    self.assertFalse(curl.getopt(pycurl.CAINFO))
    self.assertFalse(curl.getopt(pycurl.CAPATH))

  def testCertVerifyCafile(self):
    mycert = "/tmp/some/UNUSED/cert/file.pem"
    cfgfn = client.GenericCurlConfig(cafile=mycert)

    curl = FakeCurl(RapiMock())
    cl = client.GanetiRapiClient("master.example.com", curl_config_fn=cfgfn,
                                 curl=curl)

    self.assert_(curl.getopt(pycurl.SSL_VERIFYPEER))
    self.assertEqual(curl.getopt(pycurl.CAINFO), mycert)
    self.assertFalse(curl.getopt(pycurl.CAPATH))

  def testCertVerifyCapath(self):
    certdir = "/tmp/some/UNUSED/cert/directory"
    pcverfn = _FakeOpenSslPycurlVersion
    cfgfn = client.GenericCurlConfig(capath=certdir,
                                     _pycurl_version_fn=pcverfn)

    curl = FakeCurl(RapiMock())
    cl = client.GanetiRapiClient("master.example.com", curl_config_fn=cfgfn,
                                 curl=curl)

    self.assert_(curl.getopt(pycurl.SSL_VERIFYPEER))
    self.assertEqual(curl.getopt(pycurl.CAPATH), certdir)
    self.assertFalse(curl.getopt(pycurl.CAINFO))

  def testCertVerifyCapathGnuTls(self):
    certdir = "/tmp/some/UNUSED/cert/directory"
    pcverfn = _FakeGnuTlsPycurlVersion
    cfgfn = client.GenericCurlConfig(capath=certdir,
                                     _pycurl_version_fn=pcverfn)

    curl = FakeCurl(RapiMock())
    self.assertRaises(client.Error, client.GanetiRapiClient,
                      "master.example.com", curl_config_fn=cfgfn, curl=curl)

  def testCertVerifyNoSsl(self):
    certdir = "/tmp/some/UNUSED/cert/directory"
    pcverfn = _FakeNoSslPycurlVersion
    cfgfn = client.GenericCurlConfig(capath=certdir,
                                     _pycurl_version_fn=pcverfn)

    curl = FakeCurl(RapiMock())
    self.assertRaises(client.Error, client.GanetiRapiClient,
                      "master.example.com", curl_config_fn=cfgfn, curl=curl)

  def testCertVerifyFancySsl(self):
    certdir = "/tmp/some/UNUSED/cert/directory"
    pcverfn = _FakeFancySslPycurlVersion
    cfgfn = client.GenericCurlConfig(capath=certdir,
                                     _pycurl_version_fn=pcverfn)

    curl = FakeCurl(RapiMock())
    self.assertRaises(NotImplementedError, client.GanetiRapiClient,
                      "master.example.com", curl_config_fn=cfgfn, curl=curl)

  def testCertVerifyCapath(self):
    for connect_timeout in [None, 1, 5, 10, 30, 60, 300]:
      for timeout in [None, 1, 30, 60, 3600, 24 * 3600]:
        cfgfn = client.GenericCurlConfig(connect_timeout=connect_timeout,
                                         timeout=timeout)

        curl = FakeCurl(RapiMock())
        cl = client.GanetiRapiClient("master.example.com", curl_config_fn=cfgfn,
                                     curl=curl)

        self.assertEqual(curl.getopt(pycurl.CONNECTTIMEOUT), connect_timeout)
        self.assertEqual(curl.getopt(pycurl.TIMEOUT), timeout)


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

    self.rapi = RapiMock()
    self.curl = FakeCurl(self.rapi)
    self.client = client.GanetiRapiClient("master.example.com",
                                          curl=self.curl)

    # Signals should be disabled by default
    self.assert_(self.curl.getopt(pycurl.NOSIGNAL))

    # No auth and no proxy
    self.assertFalse(self.curl.getopt(pycurl.USERPWD))
    self.assert_(self.curl.getopt(pycurl.PROXY) is None)

    # Content-type is required for requests
    headers = self.curl.getopt(pycurl.HTTPHEADER)
    self.assert_("Content-type: application/json" in headers)

  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())

  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)])

  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")

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

  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)

  def testGetFeaturesNotFound(self):
    self.rapi.AddResponse(None, code=404)
    self.assertEqual([], self.client.GetFeatures())

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

  def testDeleteClusterTags(self):
    self.rapi.AddResponse("5107")
    self.assertEqual(5107, self.client.DeleteClusterTags(["awesome"],
                                                         dry_run=True))
    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()

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

  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"])

  def testCreateInstanceOldVersion(self):
    # No NICs
    self.rapi.AddResponse(None, code=404)
    self.assertRaises(client.GanetiApiError, self.client.CreateInstance,
                      "create", "inst1.example.com", "plain", [], [])
    self.assertEqual(self.rapi.CountPending(), 0)

    # More than one NIC
    self.rapi.AddResponse(None, code=404)
    self.assertRaises(client.GanetiApiError, self.client.CreateInstance,
                      "create", "inst1.example.com", "plain", [],
                      [{}, {}, {}])
    self.assertEqual(self.rapi.CountPending(), 0)

    # Unsupported NIC fields
    self.rapi.AddResponse(None, code=404)
    self.assertRaises(client.GanetiApiError, self.client.CreateInstance,
                      "create", "inst1.example.com", "plain", [],
                      [{"x": True, "y": False}])
    self.assertEqual(self.rapi.CountPending(), 0)

    # Unsupported disk fields
    self.rapi.AddResponse(None, code=404)
    self.assertRaises(client.GanetiApiError, self.client.CreateInstance,
                      "create", "inst1.example.com", "plain",
                      [{}, {"moo": "foo",}], [{}])
    self.assertEqual(self.rapi.CountPending(), 0)

    # Unsupported fields
    self.rapi.AddResponse(None, code=404)
    self.assertRaises(client.GanetiApiError, self.client.CreateInstance,
                      "create", "inst1.example.com", "plain", [], [{}],
                      hello_world=123)
    self.assertEqual(self.rapi.CountPending(), 0)

    self.rapi.AddResponse(None, code=404)
    self.assertRaises(client.GanetiApiError, self.client.CreateInstance,
                      "create", "inst1.example.com", "plain", [], [{}],
                      memory=128)
    self.assertEqual(self.rapi.CountPending(), 0)

    # Normal creation
    testnics = [
      [{}],
      [{ "mac": constants.VALUE_AUTO, }],
      [{ "ip": "192.0.2.99", "mode": constants.NIC_MODE_ROUTED, }],
      ]

    testdisks = [
      [],
      [{ "size": 128, }],
      [{ "size": 321, }, { "size": 4096, }],
      ]

    for idx, nics in enumerate(testnics):
      for disks in testdisks:
        beparams = {
          constants.BE_MEMORY: 512,
          constants.BE_AUTO_BALANCE: False,
          }
        hvparams = {
          constants.HV_MIGRATION_PORT: 9876,
          constants.HV_VNC_TLS: True,
          }

        self.rapi.AddResponse(None, code=404)
        self.rapi.AddResponse(serializer.DumpJson(3122617 + idx))
        job_id = self.client.CreateInstance("create", "inst1.example.com",
                                            "plain", disks, nics,
                                            pnode="node99", dry_run=True,
                                            hvparams=hvparams,
                                            beparams=beparams)
        self.assertEqual(job_id, 3122617 + idx)
        self.assertHandler(rlib2.R_2_instances)
        self.assertDryRun()
        self.assertEqual(self.rapi.CountPending(), 0)

        data = serializer.LoadJson(self.rapi.GetLastRequestData())
        self.assertEqual(data["name"], "inst1.example.com")
        self.assertEqual(data["disk_template"], "plain")
        self.assertEqual(data["pnode"], "node99")
        self.assertEqual(data[constants.BE_MEMORY], 512)
        self.assertEqual(data[constants.BE_AUTO_BALANCE], False)
        self.assertEqual(data[constants.HV_MIGRATION_PORT], 9876)
        self.assertEqual(data[constants.HV_VNC_TLS], True)
        self.assertEqual(data["disks"], [disk["size"] for disk in disks])

  def testCreateInstance(self):
    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)
    self.assertHandler(rlib2.R_2_instances)
    self.assertDryRun()

    data = serializer.LoadJson(self.rapi.GetLastRequestData())

    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.rapi.GetLastRequestData())
    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", }])

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

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

  def testRebootInstance(self):
    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)
    self.assertHandler(rlib2.R_2_instances_name_reboot)
    self.assertItems(["i-bar"])
    self.assertDryRun()
    self.assertQuery("type", ["hard"])
    self.assertQuery("ignore_secondaries", ["1"])

  def testShutdownInstance(self):
    self.rapi.AddResponse("1487")
    self.assertEqual(1487, self.client.ShutdownInstance("foo-instance",
                                                        dry_run=True))
    self.assertHandler(rlib2.R_2_instances_name_shutdown)
    self.assertItems(["foo-instance"])
    self.assertDryRun()

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

  def testReinstallInstance(self):
    self.rapi.AddResponse("19119")
    self.assertEqual(19119, self.client.ReinstallInstance("baz-instance",
                                                          os="DOS",
                                                          no_startup=True))
    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",
        disks=[0, 1], dry_run=True, iallocator="hail")
    self.assertEqual(999, job_id)
    self.assertHandler(rlib2.R_2_instances_name_replace_disks)
    self.assertItems(["instance-name"])
    self.assertQuery("disks", ["0,1"])
    self.assertQuery("mode", ["replace_auto"])
    self.assertQuery("iallocator", ["hail"])
    self.assertDryRun()

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

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

  def testPrepareExport(self):
    self.rapi.AddResponse("8326")
    self.assertEqual(8326, self.client.PrepareExport("inst1", "local"))
    self.assertHandler(rlib2.R_2_instances_name_prepare_export)
    self.assertItems(["inst1"])
    self.assertQuery("mode", ["local"])

  def testExportInstance(self):
    self.rapi.AddResponse("19695")
    job_id = self.client.ExportInstance("inst2", "local", "nodeX",
                                        shutdown=True)
    self.assertEqual(job_id, 19695)
    self.assertHandler(rlib2.R_2_instances_name_export)
    self.assertItems(["inst2"])

    data = serializer.LoadJson(self.rapi.GetLastRequestData())
    self.assertEqual(data["mode"], "local")
    self.assertEqual(data["destination"], "nodeX")
    self.assertEqual(data["shutdown"], True)

  def testMigrateInstanceDefaults(self):
    self.rapi.AddResponse("24873")
    job_id = self.client.MigrateInstance("inst91")
    self.assertEqual(job_id, 24873)
    self.assertHandler(rlib2.R_2_instances_name_migrate)
    self.assertItems(["inst91"])

    data = serializer.LoadJson(self.rapi.GetLastRequestData())
    self.assertFalse(data)

  def testMigrateInstance(self):
    for mode in constants.HT_MIGRATION_MODES:
      for cleanup in [False, True]:
        self.rapi.AddResponse("31910")
        job_id = self.client.MigrateInstance("inst289", mode=mode,
                                             cleanup=cleanup)
        self.assertEqual(job_id, 31910)
        self.assertHandler(rlib2.R_2_instances_name_migrate)
        self.assertItems(["inst289"])

        data = serializer.LoadJson(self.rapi.GetLastRequestData())
        self.assertEqual(len(data), 2)
        self.assertEqual(data["mode"], mode)
        self.assertEqual(data["cleanup"], cleanup)

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

  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"])

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

  def testGetNode(self):
    self.rapi.AddResponse("{}")
    self.assertEqual({}, self.client.GetNode("node-foo"))
    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.assert_("mode" not in self.rapi.GetLastHandler().queryargs)
    self.assertDryRun()

    self.rapi.AddResponse("1112")
    self.assertEqual(1112, self.client.MigrateNode("node-a", dry_run=True,
                                                   mode="live"))
    self.assertHandler(rlib2.R_2_nodes_name_migrate)
    self.assertItems(["node-a"])
    self.assertQuery("mode", ["live"])
    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"])
    self.assertQuery("force", ["1"])
    self.assertEqual("\"master-candidate\"", self.rapi.GetLastRequestData())

  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"])
    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])

  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"])

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

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


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