Add test for object source marked down

teuthology/task/object_source_down.py

@@ -0,0 +1,119 @@
+import logging
+import ceph_manager
+from teuthology import misc as teuthology
+import time
+
+
+log = logging.getLogger(__name__)
+
+
+def rados(remote, cmd):
+    log.info("rados %s" % ' '.join(cmd))
+    pre = [
+        'LD_LIBRARY_PATH=/tmp/cephtest/binary/usr/local/lib',
+        '/tmp/cephtest/enable-coredump',
+        '/tmp/cephtest/binary/usr/local/bin/ceph-coverage',
+        '/tmp/cephtest/archive/coverage',
+        '/tmp/cephtest/binary/usr/local/bin/rados',
+        '-c', '/tmp/cephtest/ceph.conf',
+        ];
+    pre.extend(cmd)
+    proc = remote.run(
+        args=pre,
+        check_status=False
+        )
+    return proc.exitstatus
+
+def task(ctx, config):
+    """
+    Test handling of object location going down
+    """
+    if config is None:
+        config = {}
+    assert isinstance(config, dict), \
+        'lost_unfound task only accepts a dict for configuration'
+    first_mon = teuthology.get_first_mon(ctx, config)
+    (mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
+
+    manager = ceph_manager.CephManager(
+        mon,
+        ctx=ctx,
+        logger=log.getChild('ceph_manager'),
+        )
+
+    while manager.get_osd_status()['up'] < 3:
+        manager.sleep(10)
+    manager.wait_for_clean()
+
+    # something that is always there
+    dummyfile = '/etc/fstab'
+
+    # take 0, 1 out
+    manager.mark_out_osd(0)
+    manager.mark_out_osd(1)
+    manager.wait_for_clean()
+
+    # delay recovery, and make the pg log very long (to prevent backfill)
+    manager.raw_cluster_cmd(
+            'tell', 'osd.0',
+            'injectargs',
+            '--osd-recovery-delay-start 10000 --osd-min-pg-log-entries 100000000'
+            )
+    # delay recovery, and make the pg log very long (to prevent backfill)
+    manager.raw_cluster_cmd(
+            'tell', 'osd.1',
+            'injectargs',
+            '--osd-recovery-delay-start 10000 --osd-min-pg-log-entries 100000000'
+            )
+    # delay recovery, and make the pg log very long (to prevent backfill)
+    manager.raw_cluster_cmd(
+            'tell', 'osd.2',
+            'injectargs',
+            '--osd-recovery-delay-start 10000 --osd-min-pg-log-entries 100000000'
+            )
+    # delay recovery, and make the pg log very long (to prevent backfill)
+    manager.raw_cluster_cmd(
+            'tell', 'osd.3',
+            'injectargs',
+            '--osd-recovery-delay-start 10000 --osd-min-pg-log-entries 100000000'
+            )
+
+    # kludge to make sure they get a map
+    rados(mon, ['-p', 'data', 'put', 'dummy', dummyfile])
+
+    # create old objects
+    for f in range(1, 10):
+        rados(mon, ['-p', 'data', 'put', 'existing_%d' % f, dummyfile])
+
+    manager.mark_out_osd(3)
+    manager.wait_till_active()
+
+    manager.mark_in_osd(0)
+    manager.wait_till_active()
+
+    manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
+    manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
+
+    manager.mark_out_osd(2)
+    manager.wait_till_active()
+
+    # bring up 1
+    manager.mark_in_osd(1)
+    manager.wait_till_active()
+
+    manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
+    manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
+    log.info("Getting unfound objects")
+    unfound = manager.get_num_unfound_objects()
+    assert not unfound
+
+    manager.kill_osd(2)
+    manager.mark_down_osd(2)
+    manager.kill_osd(3)
+    manager.mark_down_osd(3)
+
+    manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
+    manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
+    log.info("Getting unfound objects")
+    unfound = manager.get_num_unfound_objects()
+    assert unfound