initial code repo

[stor4nfv.git] / src / ceph / qa / tasks / peer.py

diff --git a/src/ceph/qa/tasks/peer.py b/src/ceph/qa/tasks/peer.py
new file mode 100644 (file)
index 0000000..9850da1
--- /dev/null
+++ b/src/ceph/qa/tasks/peer.py
@@ -0,0 +1,90 @@
+"""
+Peer test (Single test, not much configurable here)
+"""
+import logging
+import json
+import time
+
+import ceph_manager
+from teuthology import misc as teuthology
+from util.rados import rados
+
+log = logging.getLogger(__name__)
+
+def task(ctx, config):
+    """
+    Test peering.
+    """
+    if config is None:
+        config = {}
+    assert isinstance(config, dict), \
+        'peer 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 len(manager.get_osd_status()['up']) < 3:
+        time.sleep(10)
+    manager.flush_pg_stats([0, 1, 2])
+    manager.wait_for_clean()
+
+    for i in range(3):
+        manager.set_config(
+            i,
+            osd_recovery_delay_start=120)
+
+    # take on osd down
+    manager.kill_osd(2)
+    manager.mark_down_osd(2)
+
+    # kludge to make sure they get a map
+    rados(ctx, mon, ['-p', 'data', 'get', 'dummy', '-'])
+
+    manager.flush_pg_stats([0, 1])
+    manager.wait_for_recovery()
+
+    # kill another and revive 2, so that some pgs can't peer.
+    manager.kill_osd(1)
+    manager.mark_down_osd(1)
+    manager.revive_osd(2)
+    manager.wait_till_osd_is_up(2)
+
+    manager.flush_pg_stats([0, 2])
+
+    manager.wait_for_active_or_down()
+
+    manager.flush_pg_stats([0, 2])
+
+    # look for down pgs
+    num_down_pgs = 0
+    pgs = manager.get_pg_stats()
+    for pg in pgs:
+        out = manager.raw_cluster_cmd('pg', pg['pgid'], 'query')
+       log.debug("out string %s",out)
+        j = json.loads(out)
+        log.info("pg is %s, query json is %s", pg, j)
+
+        if pg['state'].count('down'):
+            num_down_pgs += 1
+            # verify that it is blocked on osd.1
+            rs = j['recovery_state']
+            assert len(rs) >= 2
+            assert rs[0]['name'] == 'Started/Primary/Peering/Down'
+            assert rs[1]['name'] == 'Started/Primary/Peering'
+            assert rs[1]['blocked']
+            assert rs[1]['down_osds_we_would_probe'] == [1]
+            assert len(rs[1]['peering_blocked_by']) == 1
+            assert rs[1]['peering_blocked_by'][0]['osd'] == 1
+
+    assert num_down_pgs > 0
+
+    # bring it all back
+    manager.revive_osd(1)
+    manager.wait_till_osd_is_up(1)
+    manager.flush_pg_stats([0, 1, 2])
+    manager.wait_for_clean()