[120] | 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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