1 | #Licensed to the Apache Software Foundation (ASF) under one |
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2 | #or more contributor license agreements. See the NOTICE file |
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3 | #distributed with this work for additional information |
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4 | #regarding copyright ownership. The ASF licenses this file |
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5 | #to you under the Apache License, Version 2.0 (the |
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6 | #"License"); you may not use this file except in compliance |
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7 | #with the License. You may obtain a copy of the License at |
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8 | |
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9 | # http://www.apache.org/licenses/LICENSE-2.0 |
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10 | |
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11 | #Unless required by applicable law or agreed to in writing, software |
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12 | #distributed under the License is distributed on an "AS IS" BASIS, |
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13 | #WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | #See the License for the specific language governing permissions and |
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15 | #limitations under the License. |
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16 | import unittest, getpass, os, sys, re, threading, time |
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17 | |
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18 | myDirectory = os.path.realpath(sys.argv[0]) |
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19 | rootDirectory = re.sub("/testing/.*", "", myDirectory) |
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20 | |
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21 | sys.path.append(rootDirectory) |
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22 | |
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23 | import tempfile |
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24 | from testing.lib import BaseTestSuite, MockLogger, MockHadoopCluster |
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25 | from hodlib.Hod.hod import hodRunner, hodState |
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26 | from hodlib.Common.desc import NodePoolDesc |
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27 | |
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28 | excludes = [] |
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29 | |
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30 | # Information about all clusters is written to a file called clusters.state. |
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31 | from hodlib.Hod.hod import CLUSTER_DATA_FILE as TEST_CLUSTER_DATA_FILE, \ |
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32 | INVALID_STATE_FILE_MSGS |
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33 | |
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34 | # Temp directory prefix |
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35 | TMP_DIR_PREFIX=os.path.join('/tmp', 'hod-%s' % (getpass.getuser())) |
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36 | |
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37 | # build a config object with all required keys for initializing hod. |
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38 | def setupConf(): |
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39 | cfg = { |
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40 | 'hod' : { |
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41 | 'original-dir' : os.getcwd(), |
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42 | 'stream' : True, |
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43 | # store all the info about clusters in this directory |
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44 | 'user_state' : '/tmp/hodtest', |
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45 | 'debug' : 3, |
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46 | 'java-home' : os.getenv('JAVA_HOME'), |
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47 | 'cluster' : 'dummy', |
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48 | 'cluster-factor' : 1.8, |
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49 | 'xrs-port-range' : (32768,65536), |
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50 | 'allocate-wait-time' : 3600, |
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51 | 'temp-dir' : '/tmp/hod' |
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52 | }, |
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53 | # just set everything to dummy. Need something to initialize the |
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54 | # node pool description object. |
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55 | 'resource_manager' : { |
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56 | 'id' : 'dummy', |
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57 | 'batch-home' : 'dummy', |
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58 | 'queue' : 'dummy', |
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59 | } |
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60 | } |
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61 | cfg['nodepooldesc'] = NodePoolDesc(cfg['resource_manager']) |
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62 | return cfg |
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63 | |
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64 | # Test class that defines methods to test invalid arguments to hod operations. |
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65 | class test_InvalidArgsOperations(unittest.TestCase): |
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66 | def setUp(self): |
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67 | |
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68 | self.cfg = setupConf() |
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69 | # initialize the mock objects |
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70 | self.log = MockLogger() |
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71 | self.cluster = MockHadoopCluster() |
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72 | |
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73 | # Use the test logger. This will be used for test verification. |
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74 | self.client = hodRunner(self.cfg, log=self.log, cluster=self.cluster) |
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75 | # Create the hodState object to set the test state you want. |
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76 | self.state = hodState(self.cfg['hod']['user_state']) |
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77 | if not os.path.exists(self.cfg['hod']['user_state']): |
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78 | os.path.mkdir(self.cfg['hod']['user_state']) |
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79 | p = os.path.join(self.cfg['hod']['user_state'], '%s.state' % TEST_CLUSTER_DATA_FILE) |
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80 | # ensure cluster data file exists, so write works in the tests. |
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81 | f = open(p, 'w') |
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82 | f.close() |
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83 | |
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84 | def tearDown(self): |
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85 | # clean up cluster data file and directory |
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86 | p = os.path.join(self.cfg['hod']['user_state'], '%s.state' % TEST_CLUSTER_DATA_FILE) |
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87 | os.remove(p) |
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88 | os.rmdir(self.cfg['hod']['user_state']) |
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89 | |
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90 | # Test that list works with deleted cluster directories - more than one entries which are invalid. |
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91 | def testListInvalidDirectory(self): |
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92 | userState = { os.path.join(TMP_DIR_PREFIX, 'testListInvalidDirectory1') : '123.dummy.id1', |
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93 | os.path.join(TMP_DIR_PREFIX, 'testListInvalidDirectory2') : '123.dummy.id2' } |
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94 | self.__setupClusterState(userState) |
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95 | self.client._op_list(['list']) |
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96 | # assert that required errors are logged. |
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97 | for clusterDir in userState.keys(): |
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98 | self.assertTrue(self.log.hasMessage('cluster state unknown\t%s\t%s' \ |
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99 | % (userState[clusterDir], clusterDir), 'info')) |
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100 | |
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101 | # simulate a test where a directory is deleted, and created again, without deallocation |
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102 | clusterDir = os.path.join(TMP_DIR_PREFIX, 'testListEmptyDirectory') |
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103 | os.makedirs(clusterDir) |
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104 | self.assertTrue(os.path.isdir(clusterDir)) |
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105 | userState = { clusterDir : '123.dummy.id3' } |
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106 | self.__setupClusterState(userState, False) |
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107 | self.client._op_list(['list']) |
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108 | self.assertTrue(self.log.hasMessage('cluster state unknown\t%s\t%s' \ |
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109 | % (userState[clusterDir], clusterDir), 'info')) |
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110 | os.rmdir(clusterDir) |
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111 | |
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112 | # Test that info works with a deleted cluster directory |
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113 | def testInfoInvalidDirectory(self): |
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114 | clusterDir = os.path.join(TMP_DIR_PREFIX, 'testInfoInvalidDirectory') |
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115 | userState = { clusterDir : '456.dummy.id' } |
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116 | self.__setupClusterState(userState) |
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117 | self.client._op_info(['info', clusterDir]) |
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118 | self.assertTrue(self.log.hasMessage("Cannot find information for cluster with id '%s' in previously allocated cluster directory '%s'." % (userState[clusterDir], clusterDir), 'critical')) |
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119 | |
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120 | # simulate a test where a directory is deleted, and created again, without deallocation |
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121 | clusterDir = os.path.join(TMP_DIR_PREFIX, 'testInfoEmptyDirectory') |
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122 | os.makedirs(clusterDir) |
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123 | self.assertTrue(os.path.isdir(clusterDir)) |
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124 | userState = { clusterDir : '456.dummy.id1' } |
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125 | self.__setupClusterState(userState, False) |
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126 | self.client._op_info(['info', clusterDir]) |
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127 | self.assertTrue(self.log.hasMessage("Cannot find information for cluster with id '%s' in previously allocated cluster directory '%s'." % (userState[clusterDir], clusterDir), 'critical')) |
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128 | os.rmdir(clusterDir) |
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129 | |
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130 | # Test info works with an invalid cluster directory |
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131 | def testInfoNonExistentDirectory(self): |
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132 | clusterDir = '/tmp/hod/testInfoNonExistentDirectory' |
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133 | self.client._op_info(['info', clusterDir]) |
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134 | self.assertTrue(self.log.hasMessage("Invalid hod.clusterdir(--hod.clusterdir or -d). %s : No such directory" % (clusterDir), 'critical')) |
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135 | |
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136 | # Test that deallocation works on a deleted cluster directory |
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137 | # by clearing the job, and removing the state |
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138 | def testDeallocateInvalidDirectory(self): |
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139 | clusterDir = os.path.join(TMP_DIR_PREFIX,'testDeallocateInvalidDirectory') |
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140 | jobid = '789.dummy.id' |
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141 | userState = { clusterDir : jobid } |
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142 | self.__setupClusterState(userState) |
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143 | self.client._op_deallocate(['deallocate', clusterDir]) |
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144 | # verify job was deleted |
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145 | self.assertTrue(self.cluster.wasOperationPerformed('delete_job', jobid)) |
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146 | # verify appropriate message was logged. |
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147 | self.assertTrue(self.log.hasMessage("Cannot find information for cluster with id '%s' in previously allocated cluster directory '%s'." % (userState[clusterDir], clusterDir), 'critical')) |
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148 | self.assertTrue(self.log.hasMessage("Freeing resources allocated to the cluster.", 'critical')) |
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149 | # verify that the state information was cleared. |
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150 | userState = self.state.read(TEST_CLUSTER_DATA_FILE) |
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151 | self.assertFalse(clusterDir in userState.keys()) |
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152 | |
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153 | # simulate a test where a directory is deleted, and created again, without deallocation |
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154 | clusterDir = os.path.join(TMP_DIR_PREFIX,'testDeallocateEmptyDirectory') |
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155 | os.makedirs(clusterDir) |
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156 | self.assertTrue(os.path.isdir(clusterDir)) |
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157 | jobid = '789.dummy.id1' |
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158 | userState = { clusterDir : jobid } |
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159 | self.__setupClusterState(userState, False) |
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160 | self.client._op_deallocate(['deallocate', clusterDir]) |
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161 | # verify job was deleted |
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162 | self.assertTrue(self.cluster.wasOperationPerformed('delete_job', jobid)) |
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163 | # verify appropriate message was logged. |
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164 | self.assertTrue(self.log.hasMessage("Cannot find information for cluster with id '%s' in previously allocated cluster directory '%s'." % (userState[clusterDir], clusterDir), 'critical')) |
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165 | self.assertTrue(self.log.hasMessage("Freeing resources allocated to the cluster.", 'critical')) |
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166 | # verify that the state information was cleared. |
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167 | userState = self.state.read(TEST_CLUSTER_DATA_FILE) |
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168 | self.assertFalse(clusterDir in userState.keys()) |
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169 | os.rmdir(clusterDir) |
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170 | |
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171 | # Test that deallocation works on a nonexistent directory. |
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172 | def testDeallocateNonExistentDirectory(self): |
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173 | clusterDir = os.path.join(TMP_DIR_PREFIX,'testDeallocateNonExistentDirectory') |
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174 | self.client._op_deallocate(['deallocate', clusterDir]) |
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175 | # there should be no call.. |
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176 | self.assertFalse(self.cluster.wasOperationPerformed('delete_job', None)) |
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177 | self.assertTrue(self.log.hasMessage("Invalid hod.clusterdir(--hod.clusterdir or -d). %s : No such directory" % (clusterDir), 'critical')) |
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178 | |
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179 | # Test that allocation on an previously deleted directory fails. |
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180 | def testAllocateOnDeletedDirectory(self): |
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181 | clusterDir = os.path.join(TMP_DIR_PREFIX, 'testAllocateOnDeletedDirectory') |
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182 | os.makedirs(clusterDir) |
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183 | self.assertTrue(os.path.isdir(clusterDir)) |
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184 | jobid = '1234.abc.com' |
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185 | userState = { clusterDir : jobid } |
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186 | self.__setupClusterState(userState, False) |
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187 | self.client._op_allocate(['allocate', clusterDir, '3']) |
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188 | self.assertTrue(self.log.hasMessage("Found a previously allocated cluster at "\ |
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189 | "cluster directory '%s'. HOD cannot determine if this cluster "\ |
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190 | "can be automatically deallocated. Deallocate the cluster if it "\ |
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191 | "is unused." % (clusterDir), 'critical')) |
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192 | os.rmdir(clusterDir) |
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193 | |
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194 | def __setupClusterState(self, clusterStateMap, verifyDirIsAbsent=True): |
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195 | for clusterDir in clusterStateMap.keys(): |
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196 | # ensure directory doesn't exist, just in case. |
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197 | if verifyDirIsAbsent: |
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198 | self.assertFalse(os.path.exists(clusterDir)) |
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199 | # set up required state. |
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200 | self.state.write(TEST_CLUSTER_DATA_FILE, clusterStateMap) |
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201 | # verify everything is stored correctly. |
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202 | state = self.state.read(TEST_CLUSTER_DATA_FILE) |
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203 | for clusterDir in clusterStateMap.keys(): |
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204 | self.assertTrue(clusterDir in state.keys()) |
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205 | self.assertEquals(clusterStateMap[clusterDir], state[clusterDir]) |
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206 | |
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207 | class test_InvalidHodStateFiles(unittest.TestCase): |
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208 | def setUp(self): |
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209 | self.rootDir = '/tmp/hod-%s' % getpass.getuser() |
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210 | self.cfg = setupConf() # creat a conf |
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211 | # Modify hod.user_state |
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212 | self.cfg['hod']['user_state'] = tempfile.mkdtemp(dir=self.rootDir, |
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213 | prefix='HodTestSuite.test_InvalidHodStateFiles_') |
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214 | self.log = MockLogger() # mock logger |
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215 | self.cluster = MockHadoopCluster() # mock hadoop cluster |
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216 | self.client = hodRunner(self.cfg, log=self.log, cluster=self.cluster) |
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217 | self.state = hodState(self.cfg['hod']['user_state']) |
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218 | self.statePath = os.path.join(self.cfg['hod']['user_state'], '%s.state' % \ |
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219 | TEST_CLUSTER_DATA_FILE) |
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220 | self.clusterDir = tempfile.mkdtemp(dir=self.rootDir, |
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221 | prefix='HodTestSuite.test_InvalidHodStateFiles_') |
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222 | |
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223 | def testOperationWithInvalidStateFile(self): |
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224 | jobid = '1234.hadoop.apache.org' |
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225 | # create user state file with invalid permissions |
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226 | stateFile = open(self.statePath, "w") |
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227 | os.chmod(self.statePath, 000) # has no read/write permissions |
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228 | self.client._hodRunner__cfg['hod']['operation'] = \ |
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229 | "info %s" % self.clusterDir |
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230 | ret = self.client.operation() |
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231 | os.chmod(self.statePath, 700) # restore permissions |
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232 | stateFile.close() |
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233 | os.remove(self.statePath) |
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234 | |
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235 | # print self.log._MockLogger__logLines |
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236 | self.assertTrue(self.log.hasMessage(INVALID_STATE_FILE_MSGS[0] % \ |
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237 | os.path.realpath(self.statePath), 'critical')) |
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238 | self.assertEquals(ret, 1) |
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239 | |
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240 | def testAllocateWithInvalidStateFile(self): |
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241 | jobid = '1234.hadoop.apache.org' |
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242 | # create user state file with invalid permissions |
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243 | stateFile = open(self.statePath, "w") |
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244 | os.chmod(self.statePath, 0400) # has no write permissions |
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245 | self.client._hodRunner__cfg['hod']['operation'] = \ |
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246 | "allocate %s %s" % (self.clusterDir, '3') |
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247 | ret = self.client.operation() |
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248 | os.chmod(self.statePath, 700) # restore permissions |
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249 | stateFile.close() |
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250 | os.remove(self.statePath) |
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251 | |
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252 | # print self.log._MockLogger__logLines |
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253 | self.assertTrue(self.log.hasMessage(INVALID_STATE_FILE_MSGS[2] % \ |
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254 | os.path.realpath(self.statePath), 'critical')) |
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255 | self.assertEquals(ret, 1) |
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256 | |
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257 | def testAllocateWithInvalidStateStore(self): |
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258 | jobid = '1234.hadoop.apache.org' |
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259 | self.client._hodRunner__cfg['hod']['operation'] = \ |
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260 | "allocate %s %s" % (self.clusterDir, 3) |
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261 | |
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262 | ###### check with no executable permissions ###### |
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263 | stateFile = open(self.statePath, "w") # create user state file |
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264 | os.chmod(self.cfg['hod']['user_state'], 0600) |
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265 | ret = self.client.operation() |
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266 | os.chmod(self.cfg['hod']['user_state'], 0700) # restore permissions |
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267 | stateFile.close() |
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268 | os.remove(self.statePath) |
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269 | # print self.log._MockLogger__logLines |
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270 | self.assertTrue(self.log.hasMessage(INVALID_STATE_FILE_MSGS[0] % \ |
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271 | os.path.realpath(self.statePath), 'critical')) |
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272 | self.assertEquals(ret, 1) |
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273 | |
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274 | ###### check with no write permissions ###### |
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275 | stateFile = open(self.statePath, "w") # create user state file |
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276 | os.chmod(self.cfg['hod']['user_state'], 0500) |
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277 | ret = self.client.operation() |
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278 | os.chmod(self.cfg['hod']['user_state'], 0700) # restore permissions |
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279 | stateFile.close() |
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280 | os.remove(self.statePath) |
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281 | # print self.log._MockLogger__logLines |
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282 | self.assertTrue(self.log.hasMessage(INVALID_STATE_FILE_MSGS[0] % \ |
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283 | os.path.realpath(self.statePath), 'critical')) |
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284 | self.assertEquals(ret, 1) |
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285 | |
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286 | def tearDown(self): |
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287 | if os.path.exists(self.clusterDir): os.rmdir(self.clusterDir) |
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288 | if os.path.exists(self.cfg['hod']['user_state']): |
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289 | os.rmdir(self.cfg['hod']['user_state']) |
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290 | |
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291 | |
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292 | class HodTestSuite(BaseTestSuite): |
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293 | def __init__(self): |
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294 | # suite setup |
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295 | BaseTestSuite.__init__(self, __name__, excludes) |
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296 | pass |
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297 | |
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298 | def cleanUp(self): |
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299 | # suite tearDown |
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300 | pass |
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301 | |
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302 | def RunHodTests(): |
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303 | # modulename_suite |
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304 | suite = HodTestSuite() |
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305 | testResult = suite.runTests() |
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306 | suite.cleanUp() |
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307 | return testResult |
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308 | |
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309 | if __name__ == "__main__": |
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310 | RunHodTests() |
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