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1 | """ | |
2 | Special regression test for tracker #11184 | |
3 | ||
4 | Synopsis: osd/SnapMapper.cc: 282: FAILED assert(check(oid)) | |
5 | ||
6 | This is accomplished by moving a pg that wasn't part of split and still include | |
7 | divergent priors. | |
8 | """ | |
9 | import logging | |
10 | import time | |
11 | from cStringIO import StringIO | |
12 | ||
13 | from teuthology import misc as teuthology | |
14 | from util.rados import rados | |
15 | import os | |
16 | ||
17 | ||
18 | log = logging.getLogger(__name__) | |
19 | ||
20 | ||
21 | def task(ctx, config): | |
22 | """ | |
23 | Test handling of divergent entries during export / import | |
24 | to regression test tracker #11184 | |
25 | ||
26 | overrides: | |
27 | ceph: | |
28 | conf: | |
29 | osd: | |
30 | debug osd: 5 | |
31 | ||
32 | Requires 3 osds on a single test node. | |
33 | """ | |
34 | if config is None: | |
35 | config = {} | |
36 | assert isinstance(config, dict), \ | |
37 | 'divergent_priors task only accepts a dict for configuration' | |
38 | ||
39 | manager = ctx.managers['ceph'] | |
40 | ||
41 | while len(manager.get_osd_status()['up']) < 3: | |
42 | time.sleep(10) | |
43 | manager.flush_pg_stats([0, 1, 2]) | |
44 | manager.raw_cluster_cmd('osd', 'set', 'noout') | |
45 | manager.raw_cluster_cmd('osd', 'set', 'noin') | |
46 | manager.raw_cluster_cmd('osd', 'set', 'nodown') | |
47 | manager.wait_for_clean() | |
48 | ||
49 | # something that is always there | |
50 | dummyfile = '/etc/fstab' | |
51 | dummyfile2 = '/etc/resolv.conf' | |
52 | testdir = teuthology.get_testdir(ctx) | |
53 | ||
54 | # create 1 pg pool | |
55 | log.info('creating foo') | |
56 | manager.raw_cluster_cmd('osd', 'pool', 'create', 'foo', '1') | |
57 | ||
58 | osds = [0, 1, 2] | |
59 | for i in osds: | |
60 | manager.set_config(i, osd_min_pg_log_entries=10) | |
61 | manager.set_config(i, osd_max_pg_log_entries=10) | |
62 | manager.set_config(i, osd_pg_log_trim_min=5) | |
63 | ||
64 | # determine primary | |
65 | divergent = manager.get_pg_primary('foo', 0) | |
66 | log.info("primary and soon to be divergent is %d", divergent) | |
67 | non_divergent = list(osds) | |
68 | non_divergent.remove(divergent) | |
69 | ||
70 | log.info('writing initial objects') | |
71 | first_mon = teuthology.get_first_mon(ctx, config) | |
72 | (mon,) = ctx.cluster.only(first_mon).remotes.iterkeys() | |
73 | # write 100 objects | |
74 | for i in range(100): | |
75 | rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile]) | |
76 | ||
77 | manager.wait_for_clean() | |
78 | ||
79 | # blackhole non_divergent | |
80 | log.info("blackholing osds %s", str(non_divergent)) | |
81 | for i in non_divergent: | |
82 | manager.set_config(i, objectstore_blackhole=1) | |
83 | ||
84 | DIVERGENT_WRITE = 5 | |
85 | DIVERGENT_REMOVE = 5 | |
86 | # Write some soon to be divergent | |
87 | log.info('writing divergent objects') | |
88 | for i in range(DIVERGENT_WRITE): | |
89 | rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, | |
90 | dummyfile2], wait=False) | |
91 | # Remove some soon to be divergent | |
92 | log.info('remove divergent objects') | |
93 | for i in range(DIVERGENT_REMOVE): | |
94 | rados(ctx, mon, ['-p', 'foo', 'rm', | |
95 | 'existing_%d' % (i + DIVERGENT_WRITE)], wait=False) | |
96 | time.sleep(10) | |
97 | mon.run( | |
98 | args=['killall', '-9', 'rados'], | |
99 | wait=True, | |
100 | check_status=False) | |
101 | ||
102 | # kill all the osds but leave divergent in | |
103 | log.info('killing all the osds') | |
104 | for i in osds: | |
105 | manager.kill_osd(i) | |
106 | for i in osds: | |
107 | manager.mark_down_osd(i) | |
108 | for i in non_divergent: | |
109 | manager.mark_out_osd(i) | |
110 | ||
111 | # bring up non-divergent | |
112 | log.info("bringing up non_divergent %s", str(non_divergent)) | |
113 | for i in non_divergent: | |
114 | manager.revive_osd(i) | |
115 | for i in non_divergent: | |
116 | manager.mark_in_osd(i) | |
117 | ||
118 | # write 1 non-divergent object (ensure that old divergent one is divergent) | |
119 | objname = "existing_%d" % (DIVERGENT_WRITE + DIVERGENT_REMOVE) | |
120 | log.info('writing non-divergent object ' + objname) | |
121 | rados(ctx, mon, ['-p', 'foo', 'put', objname, dummyfile2]) | |
122 | ||
123 | manager.wait_for_recovery() | |
124 | ||
125 | # ensure no recovery of up osds first | |
126 | log.info('delay recovery') | |
127 | for i in non_divergent: | |
128 | manager.wait_run_admin_socket( | |
129 | 'osd', i, ['set_recovery_delay', '100000']) | |
130 | ||
131 | # bring in our divergent friend | |
132 | log.info("revive divergent %d", divergent) | |
133 | manager.raw_cluster_cmd('osd', 'set', 'noup') | |
134 | manager.revive_osd(divergent) | |
135 | ||
136 | log.info('delay recovery divergent') | |
137 | manager.wait_run_admin_socket( | |
138 | 'osd', divergent, ['set_recovery_delay', '100000']) | |
139 | ||
140 | manager.raw_cluster_cmd('osd', 'unset', 'noup') | |
141 | while len(manager.get_osd_status()['up']) < 3: | |
142 | time.sleep(10) | |
143 | ||
144 | log.info('wait for peering') | |
145 | rados(ctx, mon, ['-p', 'foo', 'put', 'foo', dummyfile]) | |
146 | ||
147 | # At this point the divergent_priors should have been detected | |
148 | ||
149 | log.info("killing divergent %d", divergent) | |
150 | manager.kill_osd(divergent) | |
151 | ||
152 | # Split pgs for pool foo | |
153 | manager.raw_cluster_cmd('osd', 'pool', 'set', 'foo', 'pg_num', '2') | |
154 | time.sleep(5) | |
155 | ||
156 | # Export a pg | |
157 | (exp_remote,) = ctx.\ | |
158 | cluster.only('osd.{o}'.format(o=divergent)).remotes.iterkeys() | |
159 | FSPATH = manager.get_filepath() | |
160 | JPATH = os.path.join(FSPATH, "journal") | |
161 | prefix = ("sudo adjust-ulimits ceph-objectstore-tool " | |
162 | "--data-path {fpath} --journal-path {jpath} " | |
163 | "--log-file=" | |
164 | "/var/log/ceph/objectstore_tool.$$.log ". | |
165 | format(fpath=FSPATH, jpath=JPATH)) | |
166 | pid = os.getpid() | |
167 | expfile = os.path.join(testdir, "exp.{pid}.out".format(pid=pid)) | |
168 | cmd = ((prefix + "--op export --pgid 1.0 --file {file}"). | |
169 | format(id=divergent, file=expfile)) | |
170 | proc = exp_remote.run(args=cmd, wait=True, | |
171 | check_status=False, stdout=StringIO()) | |
172 | assert proc.exitstatus == 0 | |
173 | ||
174 | # Remove the same pg that was exported | |
175 | cmd = ((prefix + "--op remove --pgid 1.0"). | |
176 | format(id=divergent, file=expfile)) | |
177 | proc = exp_remote.run(args=cmd, wait=True, | |
178 | check_status=False, stdout=StringIO()) | |
179 | assert proc.exitstatus == 0 | |
180 | ||
181 | # Kill one of non-divergent OSDs | |
182 | log.info('killing osd.%d' % non_divergent[1]) | |
183 | manager.kill_osd(non_divergent[1]) | |
184 | manager.mark_down_osd(non_divergent[1]) | |
185 | # manager.mark_out_osd(non_divergent[1]) | |
186 | ||
187 | cmd = ((prefix + "--op import --file {file}"). | |
188 | format(id=non_divergent[1], file=expfile)) | |
189 | proc = exp_remote.run(args=cmd, wait=True, | |
190 | check_status=False, stdout=StringIO()) | |
191 | assert proc.exitstatus == 0 | |
192 | ||
193 | # bring in our divergent friend and other node | |
194 | log.info("revive divergent %d", divergent) | |
195 | manager.revive_osd(divergent) | |
196 | manager.mark_in_osd(divergent) | |
197 | log.info("revive %d", non_divergent[1]) | |
198 | manager.revive_osd(non_divergent[1]) | |
199 | ||
200 | while len(manager.get_osd_status()['up']) < 3: | |
201 | time.sleep(10) | |
202 | ||
203 | log.info('delay recovery divergent') | |
204 | manager.set_config(divergent, osd_recovery_delay_start=100000) | |
205 | log.info('mark divergent in') | |
206 | manager.mark_in_osd(divergent) | |
207 | ||
208 | log.info('wait for peering') | |
209 | rados(ctx, mon, ['-p', 'foo', 'put', 'foo', dummyfile]) | |
210 | ||
211 | log.info("killing divergent %d", divergent) | |
212 | manager.kill_osd(divergent) | |
213 | log.info("reviving divergent %d", divergent) | |
214 | manager.revive_osd(divergent) | |
215 | time.sleep(3) | |
216 | ||
217 | log.info('allowing recovery') | |
218 | # Set osd_recovery_delay_start back to 0 and kick the queue | |
219 | for i in osds: | |
220 | manager.raw_cluster_cmd('tell', 'osd.%d' % i, 'debug', | |
221 | 'kick_recovery_wq', ' 0') | |
222 | ||
223 | log.info('reading divergent objects') | |
224 | for i in range(DIVERGENT_WRITE + DIVERGENT_REMOVE): | |
225 | exit_status = rados(ctx, mon, ['-p', 'foo', 'get', 'existing_%d' % i, | |
226 | '/tmp/existing']) | |
227 | assert exit_status is 0 | |
228 | ||
229 | (remote,) = ctx.\ | |
230 | cluster.only('osd.{o}'.format(o=divergent)).remotes.iterkeys() | |
231 | cmd = 'rm {file}'.format(file=expfile) | |
232 | remote.run(args=cmd, wait=True) | |
233 | log.info("success") |