| 1 | """TestCases for distributed transactions.
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| 2 | """
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| 3 |
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| 4 | import os
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| 5 | import time
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| 6 | import unittest
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| 7 |
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| 8 | from test_all import db, test_support, have_threads, verbose, \
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| 9 | get_new_environment_path, get_new_database_path
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| 10 |
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| 11 |
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| 12 | #----------------------------------------------------------------------
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| 13 |
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| 14 | class DBReplication(unittest.TestCase) :
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| 15 | def setUp(self) :
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| 16 | self.homeDirMaster = get_new_environment_path()
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| 17 | self.homeDirClient = get_new_environment_path()
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| 18 |
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| 19 | self.dbenvMaster = db.DBEnv()
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| 20 | self.dbenvClient = db.DBEnv()
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| 21 |
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| 22 | # Must use "DB_THREAD" because the Replication Manager will
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| 23 | # be executed in other threads but will use the same environment.
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| 24 | # http://forums.oracle.com/forums/thread.jspa?threadID=645788&tstart=0
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| 25 | self.dbenvMaster.open(self.homeDirMaster, db.DB_CREATE | db.DB_INIT_TXN
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| 26 | | db.DB_INIT_LOG | db.DB_INIT_MPOOL | db.DB_INIT_LOCK |
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| 27 | db.DB_INIT_REP | db.DB_RECOVER | db.DB_THREAD, 0666)
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| 28 | self.dbenvClient.open(self.homeDirClient, db.DB_CREATE | db.DB_INIT_TXN
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| 29 | | db.DB_INIT_LOG | db.DB_INIT_MPOOL | db.DB_INIT_LOCK |
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| 30 | db.DB_INIT_REP | db.DB_RECOVER | db.DB_THREAD, 0666)
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| 31 |
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| 32 | self.confirmed_master=self.client_startupdone=False
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| 33 | def confirmed_master(a,b,c) :
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| 34 | if b==db.DB_EVENT_REP_MASTER :
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| 35 | self.confirmed_master=True
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| 36 |
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| 37 | def client_startupdone(a,b,c) :
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| 38 | if b==db.DB_EVENT_REP_STARTUPDONE :
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| 39 | self.client_startupdone=True
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| 40 |
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| 41 | self.dbenvMaster.set_event_notify(confirmed_master)
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| 42 | self.dbenvClient.set_event_notify(client_startupdone)
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| 43 |
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| 44 | #self.dbenvMaster.set_verbose(db.DB_VERB_REPLICATION, True)
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| 45 | #self.dbenvMaster.set_verbose(db.DB_VERB_FILEOPS_ALL, True)
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| 46 | #self.dbenvClient.set_verbose(db.DB_VERB_REPLICATION, True)
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| 47 | #self.dbenvClient.set_verbose(db.DB_VERB_FILEOPS_ALL, True)
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| 48 |
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| 49 | self.dbMaster = self.dbClient = None
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| 50 |
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| 51 |
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| 52 | def tearDown(self):
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| 53 | if self.dbClient :
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| 54 | self.dbClient.close()
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| 55 | if self.dbMaster :
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| 56 | self.dbMaster.close()
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| 57 |
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| 58 | # Here we assign dummy event handlers to allow GC of the test object.
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| 59 | # Since the dummy handler doesn't use any outer scope variable, it
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| 60 | # doesn't keep any reference to the test object.
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| 61 | def dummy(*args) :
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| 62 | pass
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| 63 | self.dbenvMaster.set_event_notify(dummy)
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| 64 | self.dbenvClient.set_event_notify(dummy)
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| 65 |
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| 66 | self.dbenvClient.close()
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| 67 | self.dbenvMaster.close()
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| 68 | test_support.rmtree(self.homeDirClient)
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| 69 | test_support.rmtree(self.homeDirMaster)
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| 70 |
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| 71 | class DBReplicationManager(DBReplication) :
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| 72 | def test01_basic_replication(self) :
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| 73 | master_port = test_support.find_unused_port()
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| 74 | client_port = test_support.find_unused_port()
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| 75 | if db.version() >= (5, 2) :
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| 76 | self.site = self.dbenvMaster.repmgr_site("127.0.0.1", master_port)
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| 77 | self.site.set_config(db.DB_GROUP_CREATOR, True)
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| 78 | self.site.set_config(db.DB_LOCAL_SITE, True)
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| 79 | self.site2 = self.dbenvMaster.repmgr_site("127.0.0.1", client_port)
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| 80 |
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| 81 | self.site3 = self.dbenvClient.repmgr_site("127.0.0.1", master_port)
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| 82 | self.site3.set_config(db.DB_BOOTSTRAP_HELPER, True)
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| 83 | self.site4 = self.dbenvClient.repmgr_site("127.0.0.1", client_port)
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| 84 | self.site4.set_config(db.DB_LOCAL_SITE, True)
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| 85 |
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| 86 | d = {
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| 87 | db.DB_BOOTSTRAP_HELPER: [False, False, True, False],
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| 88 | db.DB_GROUP_CREATOR: [True, False, False, False],
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| 89 | db.DB_LEGACY: [False, False, False, False],
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| 90 | db.DB_LOCAL_SITE: [True, False, False, True],
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| 91 | db.DB_REPMGR_PEER: [False, False, False, False ],
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| 92 | }
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| 93 |
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| 94 | for i, j in d.items() :
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| 95 | for k, v in \
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| 96 | zip([self.site, self.site2, self.site3, self.site4], j) :
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| 97 | if v :
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| 98 | self.assertTrue(k.get_config(i))
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| 99 | else :
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| 100 | self.assertFalse(k.get_config(i))
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| 101 |
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| 102 | self.assertNotEqual(self.site.get_eid(), self.site2.get_eid())
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| 103 | self.assertNotEqual(self.site3.get_eid(), self.site4.get_eid())
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| 104 |
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| 105 | for i, j in zip([self.site, self.site2, self.site3, self.site4], \
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| 106 | [master_port, client_port, master_port, client_port]) :
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| 107 | addr = i.get_address()
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| 108 | self.assertEqual(addr, ("127.0.0.1", j))
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| 109 |
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| 110 | for i in [self.site, self.site2] :
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| 111 | self.assertEqual(i.get_address(),
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| 112 | self.dbenvMaster.repmgr_site_by_eid(i.get_eid()).get_address())
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| 113 | for i in [self.site3, self.site4] :
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| 114 | self.assertEqual(i.get_address(),
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| 115 | self.dbenvClient.repmgr_site_by_eid(i.get_eid()).get_address())
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| 116 | else :
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| 117 | self.dbenvMaster.repmgr_set_local_site("127.0.0.1", master_port)
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| 118 | self.dbenvClient.repmgr_set_local_site("127.0.0.1", client_port)
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| 119 | self.dbenvMaster.repmgr_add_remote_site("127.0.0.1", client_port)
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| 120 | self.dbenvClient.repmgr_add_remote_site("127.0.0.1", master_port)
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| 121 |
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| 122 | self.dbenvMaster.rep_set_nsites(2)
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| 123 | self.dbenvClient.rep_set_nsites(2)
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| 124 |
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| 125 | self.dbenvMaster.rep_set_priority(10)
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| 126 | self.dbenvClient.rep_set_priority(0)
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| 127 |
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| 128 | self.dbenvMaster.rep_set_timeout(db.DB_REP_CONNECTION_RETRY,100123)
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| 129 | self.dbenvClient.rep_set_timeout(db.DB_REP_CONNECTION_RETRY,100321)
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| 130 | self.assertEqual(self.dbenvMaster.rep_get_timeout(
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| 131 | db.DB_REP_CONNECTION_RETRY), 100123)
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| 132 | self.assertEqual(self.dbenvClient.rep_get_timeout(
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| 133 | db.DB_REP_CONNECTION_RETRY), 100321)
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| 134 |
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| 135 | self.dbenvMaster.rep_set_timeout(db.DB_REP_ELECTION_TIMEOUT, 100234)
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| 136 | self.dbenvClient.rep_set_timeout(db.DB_REP_ELECTION_TIMEOUT, 100432)
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| 137 | self.assertEqual(self.dbenvMaster.rep_get_timeout(
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| 138 | db.DB_REP_ELECTION_TIMEOUT), 100234)
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| 139 | self.assertEqual(self.dbenvClient.rep_get_timeout(
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| 140 | db.DB_REP_ELECTION_TIMEOUT), 100432)
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| 141 |
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| 142 | self.dbenvMaster.rep_set_timeout(db.DB_REP_ELECTION_RETRY, 100345)
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| 143 | self.dbenvClient.rep_set_timeout(db.DB_REP_ELECTION_RETRY, 100543)
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| 144 | self.assertEqual(self.dbenvMaster.rep_get_timeout(
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| 145 | db.DB_REP_ELECTION_RETRY), 100345)
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| 146 | self.assertEqual(self.dbenvClient.rep_get_timeout(
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| 147 | db.DB_REP_ELECTION_RETRY), 100543)
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| 148 |
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| 149 | self.dbenvMaster.repmgr_set_ack_policy(db.DB_REPMGR_ACKS_ALL)
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| 150 | self.dbenvClient.repmgr_set_ack_policy(db.DB_REPMGR_ACKS_ALL)
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| 151 |
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| 152 | self.dbenvMaster.repmgr_start(1, db.DB_REP_MASTER);
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| 153 | self.dbenvClient.repmgr_start(1, db.DB_REP_CLIENT);
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| 154 |
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| 155 | self.assertEqual(self.dbenvMaster.rep_get_nsites(),2)
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| 156 | self.assertEqual(self.dbenvClient.rep_get_nsites(),2)
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| 157 | self.assertEqual(self.dbenvMaster.rep_get_priority(),10)
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| 158 | self.assertEqual(self.dbenvClient.rep_get_priority(),0)
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| 159 | self.assertEqual(self.dbenvMaster.repmgr_get_ack_policy(),
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| 160 | db.DB_REPMGR_ACKS_ALL)
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| 161 | self.assertEqual(self.dbenvClient.repmgr_get_ack_policy(),
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| 162 | db.DB_REPMGR_ACKS_ALL)
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| 163 |
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| 164 | # The timeout is necessary in BDB 4.5, since DB_EVENT_REP_STARTUPDONE
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| 165 | # is not generated if the master has no new transactions.
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| 166 | # This is solved in BDB 4.6 (#15542).
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| 167 | import time
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| 168 | timeout = time.time()+60
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| 169 | while (time.time()<timeout) and not (self.confirmed_master and self.client_startupdone) :
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| 170 | time.sleep(0.02)
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| 171 | # self.client_startupdone does not always get set to True within
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| 172 | # the timeout. On windows this may be a deep issue, on other
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| 173 | # platforms it is likely just a timing issue, especially on slow
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| 174 | # virthost buildbots (see issue 3892 for more). Even though
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| 175 | # the timeout triggers, the rest of this test method usually passes
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| 176 | # (but not all of it always, see below). So we just note the
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| 177 | # timeout on stderr and keep soldering on.
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| 178 | if time.time()>timeout:
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| 179 | import sys
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| 180 | print >> sys.stderr, ("XXX: timeout happened before"
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| 181 | "startup was confirmed - see issue 3892")
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| 182 | startup_timeout = True
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| 183 |
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| 184 | d = self.dbenvMaster.repmgr_site_list()
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| 185 | self.assertEqual(len(d), 1)
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| 186 | d = d.values()[0] # There is only one
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| 187 | self.assertEqual(d[0], "127.0.0.1")
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| 188 | self.assertEqual(d[1], client_port)
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| 189 | self.assertTrue((d[2]==db.DB_REPMGR_CONNECTED) or \
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| 190 | (d[2]==db.DB_REPMGR_DISCONNECTED))
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| 191 |
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| 192 | d = self.dbenvClient.repmgr_site_list()
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| 193 | self.assertEqual(len(d), 1)
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| 194 | d = d.values()[0] # There is only one
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| 195 | self.assertEqual(d[0], "127.0.0.1")
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| 196 | self.assertEqual(d[1], master_port)
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| 197 | self.assertTrue((d[2]==db.DB_REPMGR_CONNECTED) or \
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| 198 | (d[2]==db.DB_REPMGR_DISCONNECTED))
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| 199 |
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| 200 | if db.version() >= (4,6) :
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| 201 | d = self.dbenvMaster.repmgr_stat(flags=db.DB_STAT_CLEAR);
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| 202 | self.assertTrue("msgs_queued" in d)
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| 203 |
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| 204 | self.dbMaster=db.DB(self.dbenvMaster)
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| 205 | txn=self.dbenvMaster.txn_begin()
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| 206 | self.dbMaster.open("test", db.DB_HASH, db.DB_CREATE, 0666, txn=txn)
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| 207 | txn.commit()
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| 208 |
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| 209 | import time,os.path
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| 210 | timeout=time.time()+10
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| 211 | while (time.time()<timeout) and \
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| 212 | not (os.path.exists(os.path.join(self.homeDirClient,"test"))) :
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| 213 | time.sleep(0.01)
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| 214 |
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| 215 | self.dbClient=db.DB(self.dbenvClient)
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| 216 | while True :
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| 217 | txn=self.dbenvClient.txn_begin()
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| 218 | try :
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| 219 | self.dbClient.open("test", db.DB_HASH, flags=db.DB_RDONLY,
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| 220 | mode=0666, txn=txn)
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| 221 | except db.DBRepHandleDeadError :
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| 222 | txn.abort()
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| 223 | self.dbClient.close()
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| 224 | self.dbClient=db.DB(self.dbenvClient)
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| 225 | continue
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| 226 |
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| 227 | txn.commit()
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| 228 | break
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| 229 |
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| 230 | txn=self.dbenvMaster.txn_begin()
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| 231 | self.dbMaster.put("ABC", "123", txn=txn)
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| 232 | txn.commit()
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| 233 | import time
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| 234 | timeout=time.time()+10
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| 235 | v=None
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| 236 | while (time.time()<timeout) and (v is None) :
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| 237 | txn=self.dbenvClient.txn_begin()
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| 238 | v=self.dbClient.get("ABC", txn=txn)
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| 239 | txn.commit()
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| 240 | if v is None :
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| 241 | time.sleep(0.02)
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| 242 | # If startup did not happen before the timeout above, then this test
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| 243 | # sometimes fails. This happens randomly, which causes buildbot
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| 244 | # instability, but all the other bsddb tests pass. Since bsddb3 in the
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| 245 | # stdlib is currently not getting active maintenance, and is gone in
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| 246 | # py3k, we just skip the end of the test in that case.
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| 247 | if time.time()>=timeout and startup_timeout:
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| 248 | self.skipTest("replication test skipped due to random failure, "
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| 249 | "see issue 3892")
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| 250 | self.assertTrue(time.time()<timeout)
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| 251 | self.assertEqual("123", v)
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| 252 |
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| 253 | txn=self.dbenvMaster.txn_begin()
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| 254 | self.dbMaster.delete("ABC", txn=txn)
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| 255 | txn.commit()
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| 256 | timeout=time.time()+10
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| 257 | while (time.time()<timeout) and (v is not None) :
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| 258 | txn=self.dbenvClient.txn_begin()
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| 259 | v=self.dbClient.get("ABC", txn=txn)
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| 260 | txn.commit()
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| 261 | if v is None :
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| 262 | time.sleep(0.02)
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| 263 | self.assertTrue(time.time()<timeout)
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| 264 | self.assertEqual(None, v)
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| 265 |
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| 266 | class DBBaseReplication(DBReplication) :
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| 267 | def setUp(self) :
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| 268 | DBReplication.setUp(self)
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| 269 | def confirmed_master(a,b,c) :
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| 270 | if (b == db.DB_EVENT_REP_MASTER) or (b == db.DB_EVENT_REP_ELECTED) :
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| 271 | self.confirmed_master = True
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| 272 |
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| 273 | def client_startupdone(a,b,c) :
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| 274 | if b == db.DB_EVENT_REP_STARTUPDONE :
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| 275 | self.client_startupdone = True
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| 276 |
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| 277 | self.dbenvMaster.set_event_notify(confirmed_master)
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| 278 | self.dbenvClient.set_event_notify(client_startupdone)
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| 279 |
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| 280 | import Queue
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| 281 | self.m2c = Queue.Queue()
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| 282 | self.c2m = Queue.Queue()
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| 283 |
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| 284 | # There are only two nodes, so we don't need to
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| 285 | # do any routing decision
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| 286 | def m2c(dbenv, control, rec, lsnp, envid, flags) :
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| 287 | self.m2c.put((control, rec))
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| 288 |
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| 289 | def c2m(dbenv, control, rec, lsnp, envid, flags) :
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| 290 | self.c2m.put((control, rec))
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| 291 |
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| 292 | self.dbenvMaster.rep_set_transport(13,m2c)
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| 293 | self.dbenvMaster.rep_set_priority(10)
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| 294 | self.dbenvClient.rep_set_transport(3,c2m)
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| 295 | self.dbenvClient.rep_set_priority(0)
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| 296 |
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| 297 | self.assertEqual(self.dbenvMaster.rep_get_priority(),10)
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| 298 | self.assertEqual(self.dbenvClient.rep_get_priority(),0)
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| 299 |
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| 300 | #self.dbenvMaster.set_verbose(db.DB_VERB_REPLICATION, True)
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| 301 | #self.dbenvMaster.set_verbose(db.DB_VERB_FILEOPS_ALL, True)
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| 302 | #self.dbenvClient.set_verbose(db.DB_VERB_REPLICATION, True)
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| 303 | #self.dbenvClient.set_verbose(db.DB_VERB_FILEOPS_ALL, True)
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| 304 |
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| 305 | def thread_master() :
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| 306 | return self.thread_do(self.dbenvMaster, self.c2m, 3,
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| 307 | self.master_doing_election, True)
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| 308 |
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| 309 | def thread_client() :
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| 310 | return self.thread_do(self.dbenvClient, self.m2c, 13,
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| 311 | self.client_doing_election, False)
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| 312 |
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| 313 | from threading import Thread
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| 314 | t_m=Thread(target=thread_master)
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| 315 | t_c=Thread(target=thread_client)
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| 316 | import sys
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| 317 | if sys.version_info[0] < 3 :
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| 318 | t_m.setDaemon(True)
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| 319 | t_c.setDaemon(True)
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| 320 | else :
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| 321 | t_m.daemon = True
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| 322 | t_c.daemon = True
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| 323 |
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| 324 | self.t_m = t_m
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| 325 | self.t_c = t_c
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| 326 |
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| 327 | self.dbMaster = self.dbClient = None
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| 328 |
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| 329 | self.master_doing_election=[False]
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| 330 | self.client_doing_election=[False]
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| 331 |
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| 332 |
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| 333 | def tearDown(self):
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| 334 | if self.dbClient :
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| 335 | self.dbClient.close()
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| 336 | if self.dbMaster :
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| 337 | self.dbMaster.close()
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| 338 | self.m2c.put(None)
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| 339 | self.c2m.put(None)
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| 340 | self.t_m.join()
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| 341 | self.t_c.join()
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| 342 |
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| 343 | # Here we assign dummy event handlers to allow GC of the test object.
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| 344 | # Since the dummy handler doesn't use any outer scope variable, it
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| 345 | # doesn't keep any reference to the test object.
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| 346 | def dummy(*args) :
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| 347 | pass
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| 348 | self.dbenvMaster.set_event_notify(dummy)
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| 349 | self.dbenvClient.set_event_notify(dummy)
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| 350 | self.dbenvMaster.rep_set_transport(13,dummy)
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| 351 | self.dbenvClient.rep_set_transport(3,dummy)
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| 352 |
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| 353 | self.dbenvClient.close()
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| 354 | self.dbenvMaster.close()
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| 355 | test_support.rmtree(self.homeDirClient)
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| 356 | test_support.rmtree(self.homeDirMaster)
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| 357 |
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| 358 | def basic_rep_threading(self) :
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| 359 | self.dbenvMaster.rep_start(flags=db.DB_REP_MASTER)
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| 360 | self.dbenvClient.rep_start(flags=db.DB_REP_CLIENT)
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| 361 |
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| 362 | def thread_do(env, q, envid, election_status, must_be_master) :
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| 363 | while True :
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| 364 | v=q.get()
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| 365 | if v is None : return
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| 366 | env.rep_process_message(v[0], v[1], envid)
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| 367 |
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| 368 | self.thread_do = thread_do
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| 369 |
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| 370 | self.t_m.start()
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| 371 | self.t_c.start()
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| 372 |
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| 373 | def test01_basic_replication(self) :
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| 374 | self.basic_rep_threading()
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| 375 |
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| 376 | # The timeout is necessary in BDB 4.5, since DB_EVENT_REP_STARTUPDONE
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| 377 | # is not generated if the master has no new transactions.
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| 378 | # This is solved in BDB 4.6 (#15542).
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| 379 | import time
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| 380 | timeout = time.time()+60
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| 381 | while (time.time()<timeout) and not (self.confirmed_master and
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| 382 | self.client_startupdone) :
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| 383 | time.sleep(0.02)
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| 384 | self.assertTrue(time.time()<timeout)
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| 385 |
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| 386 | self.dbMaster=db.DB(self.dbenvMaster)
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| 387 | txn=self.dbenvMaster.txn_begin()
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| 388 | self.dbMaster.open("test", db.DB_HASH, db.DB_CREATE, 0666, txn=txn)
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| 389 | txn.commit()
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| 390 |
|
|---|
| 391 | import time,os.path
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| 392 | timeout=time.time()+10
|
|---|
| 393 | while (time.time()<timeout) and \
|
|---|
| 394 | not (os.path.exists(os.path.join(self.homeDirClient,"test"))) :
|
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| 395 | time.sleep(0.01)
|
|---|
| 396 |
|
|---|
| 397 | self.dbClient=db.DB(self.dbenvClient)
|
|---|
| 398 | while True :
|
|---|
| 399 | txn=self.dbenvClient.txn_begin()
|
|---|
| 400 | try :
|
|---|
| 401 | self.dbClient.open("test", db.DB_HASH, flags=db.DB_RDONLY,
|
|---|
| 402 | mode=0666, txn=txn)
|
|---|
| 403 | except db.DBRepHandleDeadError :
|
|---|
| 404 | txn.abort()
|
|---|
| 405 | self.dbClient.close()
|
|---|
| 406 | self.dbClient=db.DB(self.dbenvClient)
|
|---|
| 407 | continue
|
|---|
| 408 |
|
|---|
| 409 | txn.commit()
|
|---|
| 410 | break
|
|---|
| 411 |
|
|---|
| 412 | d = self.dbenvMaster.rep_stat(flags=db.DB_STAT_CLEAR);
|
|---|
| 413 | self.assertTrue("master_changes" in d)
|
|---|
| 414 |
|
|---|
| 415 | txn=self.dbenvMaster.txn_begin()
|
|---|
| 416 | self.dbMaster.put("ABC", "123", txn=txn)
|
|---|
| 417 | txn.commit()
|
|---|
| 418 | import time
|
|---|
| 419 | timeout=time.time()+10
|
|---|
| 420 | v=None
|
|---|
| 421 | while (time.time()<timeout) and (v is None) :
|
|---|
| 422 | txn=self.dbenvClient.txn_begin()
|
|---|
| 423 | v=self.dbClient.get("ABC", txn=txn)
|
|---|
| 424 | txn.commit()
|
|---|
| 425 | if v is None :
|
|---|
| 426 | time.sleep(0.02)
|
|---|
| 427 | self.assertTrue(time.time()<timeout)
|
|---|
| 428 | self.assertEqual("123", v)
|
|---|
| 429 |
|
|---|
| 430 | txn=self.dbenvMaster.txn_begin()
|
|---|
| 431 | self.dbMaster.delete("ABC", txn=txn)
|
|---|
| 432 | txn.commit()
|
|---|
| 433 | timeout=time.time()+10
|
|---|
| 434 | while (time.time()<timeout) and (v is not None) :
|
|---|
| 435 | txn=self.dbenvClient.txn_begin()
|
|---|
| 436 | v=self.dbClient.get("ABC", txn=txn)
|
|---|
| 437 | txn.commit()
|
|---|
| 438 | if v is None :
|
|---|
| 439 | time.sleep(0.02)
|
|---|
| 440 | self.assertTrue(time.time()<timeout)
|
|---|
| 441 | self.assertEqual(None, v)
|
|---|
| 442 |
|
|---|
| 443 | if db.version() >= (4,7) :
|
|---|
| 444 | def test02_test_request(self) :
|
|---|
| 445 | self.basic_rep_threading()
|
|---|
| 446 | (minimum, maximum) = self.dbenvClient.rep_get_request()
|
|---|
| 447 | self.dbenvClient.rep_set_request(minimum-1, maximum+1)
|
|---|
| 448 | self.assertEqual(self.dbenvClient.rep_get_request(),
|
|---|
| 449 | (minimum-1, maximum+1))
|
|---|
| 450 |
|
|---|
| 451 | if db.version() >= (4,6) :
|
|---|
| 452 | def test03_master_election(self) :
|
|---|
| 453 | # Get ready to hold an election
|
|---|
| 454 | #self.dbenvMaster.rep_start(flags=db.DB_REP_MASTER)
|
|---|
| 455 | self.dbenvMaster.rep_start(flags=db.DB_REP_CLIENT)
|
|---|
| 456 | self.dbenvClient.rep_start(flags=db.DB_REP_CLIENT)
|
|---|
| 457 |
|
|---|
| 458 | def thread_do(env, q, envid, election_status, must_be_master) :
|
|---|
| 459 | while True :
|
|---|
| 460 | v=q.get()
|
|---|
| 461 | if v is None : return
|
|---|
| 462 | r = env.rep_process_message(v[0],v[1],envid)
|
|---|
| 463 | if must_be_master and self.confirmed_master :
|
|---|
| 464 | self.dbenvMaster.rep_start(flags = db.DB_REP_MASTER)
|
|---|
| 465 | must_be_master = False
|
|---|
| 466 |
|
|---|
| 467 | if r[0] == db.DB_REP_HOLDELECTION :
|
|---|
| 468 | def elect() :
|
|---|
| 469 | while True :
|
|---|
| 470 | try :
|
|---|
| 471 | env.rep_elect(2, 1)
|
|---|
| 472 | election_status[0] = False
|
|---|
| 473 | break
|
|---|
| 474 | except db.DBRepUnavailError :
|
|---|
| 475 | pass
|
|---|
| 476 | if not election_status[0] and not self.confirmed_master :
|
|---|
| 477 | from threading import Thread
|
|---|
| 478 | election_status[0] = True
|
|---|
| 479 | t=Thread(target=elect)
|
|---|
| 480 | import sys
|
|---|
| 481 | if sys.version_info[0] < 3 :
|
|---|
| 482 | t.setDaemon(True)
|
|---|
| 483 | else :
|
|---|
| 484 | t.daemon = True
|
|---|
| 485 | t.start()
|
|---|
| 486 |
|
|---|
| 487 | self.thread_do = thread_do
|
|---|
| 488 |
|
|---|
| 489 | self.t_m.start()
|
|---|
| 490 | self.t_c.start()
|
|---|
| 491 |
|
|---|
| 492 | self.dbenvMaster.rep_set_timeout(db.DB_REP_ELECTION_TIMEOUT, 50000)
|
|---|
| 493 | self.dbenvClient.rep_set_timeout(db.DB_REP_ELECTION_TIMEOUT, 50000)
|
|---|
| 494 | self.client_doing_election[0] = True
|
|---|
| 495 | while True :
|
|---|
| 496 | try :
|
|---|
| 497 | self.dbenvClient.rep_elect(2, 1)
|
|---|
| 498 | self.client_doing_election[0] = False
|
|---|
| 499 | break
|
|---|
| 500 | except db.DBRepUnavailError :
|
|---|
| 501 | pass
|
|---|
| 502 |
|
|---|
| 503 | self.assertTrue(self.confirmed_master)
|
|---|
| 504 |
|
|---|
| 505 | # Race condition showed up after upgrading to Solaris 10 Update 10
|
|---|
| 506 | # https://forums.oracle.com/forums/thread.jspa?messageID=9902860
|
|---|
| 507 | # jcea@jcea.es: See private email from Paula Bingham (Oracle),
|
|---|
| 508 | # in 20110929.
|
|---|
| 509 | while not (self.dbenvClient.rep_stat()["startup_complete"]) :
|
|---|
| 510 | pass
|
|---|
| 511 |
|
|---|
| 512 | if db.version() >= (4,7) :
|
|---|
| 513 | def test04_test_clockskew(self) :
|
|---|
| 514 | fast, slow = 1234, 1230
|
|---|
| 515 | self.dbenvMaster.rep_set_clockskew(fast, slow)
|
|---|
| 516 | self.assertEqual((fast, slow),
|
|---|
| 517 | self.dbenvMaster.rep_get_clockskew())
|
|---|
| 518 | self.basic_rep_threading()
|
|---|
| 519 |
|
|---|
| 520 | #----------------------------------------------------------------------
|
|---|
| 521 |
|
|---|
| 522 | def test_suite():
|
|---|
| 523 | suite = unittest.TestSuite()
|
|---|
| 524 | if db.version() >= (4, 6) :
|
|---|
| 525 | dbenv = db.DBEnv()
|
|---|
| 526 | try :
|
|---|
| 527 | dbenv.repmgr_get_ack_policy()
|
|---|
| 528 | ReplicationManager_available=True
|
|---|
| 529 | except :
|
|---|
| 530 | ReplicationManager_available=False
|
|---|
| 531 | dbenv.close()
|
|---|
| 532 | del dbenv
|
|---|
| 533 | if ReplicationManager_available :
|
|---|
| 534 | suite.addTest(unittest.makeSuite(DBReplicationManager))
|
|---|
| 535 |
|
|---|
| 536 | if have_threads :
|
|---|
| 537 | suite.addTest(unittest.makeSuite(DBBaseReplication))
|
|---|
| 538 |
|
|---|
| 539 | return suite
|
|---|
| 540 |
|
|---|
| 541 |
|
|---|
| 542 | if __name__ == '__main__':
|
|---|
| 543 | unittest.main(defaultTest='test_suite')
|
|---|
