projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | """ |
| 2 | Special case divergence test with ceph-objectstore-tool export/remove/import | |
| 3 | """ | |
| 4 | import logging | |
| 5 | import time | |
| 6 | from cStringIO import StringIO | |
| 7 | ||
| 8 | from teuthology import misc as teuthology | |
| 9 | from util.rados import rados | |
| 10 | import os | |
| 11 | ||
| 12 | ||
| 13 | log = logging.getLogger(__name__) | |
| 14 | ||
| 15 | ||
| 16 | def task(ctx, config): | |
| 17 | """ | |
| 18 | Test handling of divergent entries with prior_version | |
| 19 | prior to log_tail and a ceph-objectstore-tool export/import | |
| 20 | ||
| 21 | overrides: | |
| 22 | ceph: | |
| 23 | conf: | |
| 24 | osd: | |
| 25 | debug osd: 5 | |
| 26 | ||
| 27 | Requires 3 osds on a single test node. | |
| 28 | """ | |
| 29 | if config is None: | |
| 30 | config = {} | |
| 31 | assert isinstance(config, dict), \ | |
| 32 | 'divergent_priors task only accepts a dict for configuration' | |
| 33 | ||
| 34 | manager = ctx.managers['ceph'] | |
| 35 | ||
| 36 | while len(manager.get_osd_status()['up']) < 3: | |
| 37 | time.sleep(10) | |
| 38 | manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats') | |
| 39 | manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats') | |
| 40 | manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats') | |
| 41 | manager.raw_cluster_cmd('osd', 'set', 'noout') | |
| 42 | manager.raw_cluster_cmd('osd', 'set', 'noin') | |
| 43 | manager.raw_cluster_cmd('osd', 'set', 'nodown') | |
| 44 | manager.wait_for_clean() | |
| 45 | ||
| 46 | # something that is always there | |
| 47 | dummyfile = '/etc/fstab' | |
| 48 | dummyfile2 = '/etc/resolv.conf' | |
| 49 | testdir = teuthology.get_testdir(ctx) | |
| 50 | ||
| 51 | # create 1 pg pool | |
| 52 | log.info('creating foo') | |
| 53 | manager.raw_cluster_cmd('osd', 'pool', 'create', 'foo', '1') | |
| 54 | ||
| 55 | osds = [0, 1, 2] | |
| 56 | for i in osds: | |
| 57 | manager.set_config(i, osd_min_pg_log_entries=10) | |
| 58 | manager.set_config(i, osd_max_pg_log_entries=10) | |
| 59 | manager.set_config(i, osd_pg_log_trim_min=5) | |
| 60 | ||
| 61 | # determine primary | |
| 62 | divergent = manager.get_pg_primary('foo', 0) | |
| 63 | log.info("primary and soon to be divergent is %d", divergent) | |
| 64 | non_divergent = list(osds) | |
| 65 | non_divergent.remove(divergent) | |
| 66 | ||
| 67 | log.info('writing initial objects') | |
| 68 | first_mon = teuthology.get_first_mon(ctx, config) | |
| 69 | (mon,) = ctx.cluster.only(first_mon).remotes.iterkeys() | |
| 70 | # write 100 objects | |
| 71 | for i in range(100): | |
| 72 | rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile]) | |
| 73 | ||
| 74 | manager.wait_for_clean() | |
| 75 | ||
| 76 | # blackhole non_divergent | |
| 77 | log.info("blackholing osds %s", str(non_divergent)) | |
| 78 | for i in non_divergent: | |
| 79 | manager.set_config(i, objectstore_blackhole=1) | |
| 80 | ||
| 81 | DIVERGENT_WRITE = 5 | |
| 82 | DIVERGENT_REMOVE = 5 | |
| 83 | # Write some soon to be divergent | |
| 84 | log.info('writing divergent objects') | |
| 85 | for i in range(DIVERGENT_WRITE): | |
| 86 | rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, | |
| 87 | dummyfile2], wait=False) | |
| 88 | # Remove some soon to be divergent | |
| 89 | log.info('remove divergent objects') | |
| 90 | for i in range(DIVERGENT_REMOVE): | |
| 91 | rados(ctx, mon, ['-p', 'foo', 'rm', | |
| 92 | 'existing_%d' % (i + DIVERGENT_WRITE)], wait=False) | |
| 93 | time.sleep(10) | |
| 94 | mon.run( | |
| 95 | args=['killall', '-9', 'rados'], | |
| 96 | wait=True, | |
| 97 | check_status=False) | |
| 98 | ||
| 99 | # kill all the osds but leave divergent in | |
| 100 | log.info('killing all the osds') | |
| 101 | for i in osds: | |
| 102 | manager.kill_osd(i) | |
| 103 | for i in osds: | |
| 104 | manager.mark_down_osd(i) | |
| 105 | for i in non_divergent: | |
| 106 | manager.mark_out_osd(i) | |
| 107 | ||
| 108 | # bring up non-divergent | |
| 109 | log.info("bringing up non_divergent %s", str(non_divergent)) | |
| 110 | for i in non_divergent: | |
| 111 | manager.revive_osd(i) | |
| 112 | for i in non_divergent: | |
| 113 | manager.mark_in_osd(i) | |
| 114 | ||
| 115 | # write 1 non-divergent object (ensure that old divergent one is divergent) | |
| 116 | objname = "existing_%d" % (DIVERGENT_WRITE + DIVERGENT_REMOVE) | |
| 117 | log.info('writing non-divergent object ' + objname) | |
| 118 | rados(ctx, mon, ['-p', 'foo', 'put', objname, dummyfile2]) | |
| 119 | ||
| 120 | manager.wait_for_recovery() | |
| 121 | ||
| 122 | # ensure no recovery of up osds first | |
| 123 | log.info('delay recovery') | |
| 124 | for i in non_divergent: | |
| 125 | manager.wait_run_admin_socket( | |
| 126 | 'osd', i, ['set_recovery_delay', '100000']) | |
| 127 | ||
| 128 | # bring in our divergent friend | |
| 129 | log.info("revive divergent %d", divergent) | |
| 130 | manager.raw_cluster_cmd('osd', 'set', 'noup') | |
| 131 | manager.revive_osd(divergent) | |
| 132 | ||
| 133 | log.info('delay recovery divergent') | |
| 134 | manager.wait_run_admin_socket( | |
| 135 | 'osd', divergent, ['set_recovery_delay', '100000']) | |
| 136 | ||
| 137 | manager.raw_cluster_cmd('osd', 'unset', 'noup') | |
| 138 | while len(manager.get_osd_status()['up']) < 3: | |
| 139 | time.sleep(10) | |
| 140 | ||
| 141 | log.info('wait for peering') | |
| 142 | rados(ctx, mon, ['-p', 'foo', 'put', 'foo', dummyfile]) | |
| 143 | ||
| 144 | # At this point the divergent_priors should have been detected | |
| 145 | ||
| 146 | log.info("killing divergent %d", divergent) | |
| 147 | manager.kill_osd(divergent) | |
| 148 | ||
| 149 | # Export a pg | |
| 150 | (exp_remote,) = ctx.\ | |
| 151 | cluster.only('osd.{o}'.format(o=divergent)).remotes.iterkeys() | |
| 152 | FSPATH = manager.get_filepath() | |
| 153 | JPATH = os.path.join(FSPATH, "journal") | |
| 154 | prefix = ("sudo adjust-ulimits ceph-objectstore-tool " | |
| 155 | "--data-path {fpath} --journal-path {jpath} " | |
| 156 | "--log-file=" | |
| 157 | "/var/log/ceph/objectstore_tool.$$.log ". | |
| 158 | format(fpath=FSPATH, jpath=JPATH)) | |
| 159 | pid = os.getpid() | |
| 160 | expfile = os.path.join(testdir, "exp.{pid}.out".format(pid=pid)) | |
| 161 | cmd = ((prefix + "--op export --pgid 1.0 --file {file}"). | |
| 162 | format(id=divergent, file=expfile)) | |
| 163 | proc = exp_remote.run(args=cmd, wait=True, | |
| 164 | check_status=False, stdout=StringIO()) | |
| 165 | assert proc.exitstatus == 0 | |
| 166 | ||
| 167 | cmd = ((prefix + "--op remove --pgid 1.0"). | |
| 168 | format(id=divergent, file=expfile)) | |
| 169 | proc = exp_remote.run(args=cmd, wait=True, | |
| 170 | check_status=False, stdout=StringIO()) | |
| 171 | assert proc.exitstatus == 0 | |
| 172 | ||
| 173 | cmd = ((prefix + "--op import --file {file}"). | |
| 174 | format(id=divergent, file=expfile)) | |
| 175 | proc = exp_remote.run(args=cmd, wait=True, | |
| 176 | check_status=False, stdout=StringIO()) | |
| 177 | assert proc.exitstatus == 0 | |
| 178 | ||
| 179 | log.info("reviving divergent %d", divergent) | |
| 180 | manager.revive_osd(divergent) | |
| 181 | manager.wait_run_admin_socket('osd', divergent, ['dump_ops_in_flight']) | |
| 182 | time.sleep(20); | |
| 183 | ||
| 184 | log.info('allowing recovery') | |
| 185 | # Set osd_recovery_delay_start back to 0 and kick the queue | |
| 186 | for i in osds: | |
| 187 | manager.raw_cluster_cmd('tell', 'osd.%d' % i, 'debug', | |
| 188 | 'kick_recovery_wq', ' 0') | |
| 189 | ||
| 190 | log.info('reading divergent objects') | |
| 191 | for i in range(DIVERGENT_WRITE + DIVERGENT_REMOVE): | |
| 192 | exit_status = rados(ctx, mon, ['-p', 'foo', 'get', 'existing_%d' % i, | |
| 193 | '/tmp/existing']) | |
| 194 | assert exit_status is 0 | |
| 195 | ||
| 196 | cmd = 'rm {file}'.format(file=expfile) | |
| 197 | exp_remote.run(args=cmd, wait=True) | |
| 198 | log.info("success") |