mirror of
https://github.com/ceph/ceph
synced 2024-12-25 04:43:17 +00:00
e5fb5a1ddd
Move it up into CephTestCase so that mgr tests can use it too, and pick it up in vstart_runner.py so that these tests will work neatly there. Signed-off-by: John Spray <john.spray@redhat.com>
283 lines
11 KiB
Python
283 lines
11 KiB
Python
import json
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import logging
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from unittest import case
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from tasks.ceph_test_case import CephTestCase
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import os
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import re
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from StringIO import StringIO
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from tasks.cephfs.fuse_mount import FuseMount
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from teuthology.orchestra import run
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from teuthology.orchestra.run import CommandFailedError
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log = logging.getLogger(__name__)
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def for_teuthology(f):
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"""
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Decorator that adds an "is_for_teuthology" attribute to the wrapped function
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"""
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f.is_for_teuthology = True
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return f
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def needs_trimming(f):
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"""
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Mark fn as requiring a client capable of trimming its cache (i.e. for ceph-fuse
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this means it needs to be able to run as root, currently)
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"""
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f.needs_trimming = True
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return f
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class CephFSTestCase(CephTestCase):
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"""
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Test case for Ceph FS, requires caller to populate Filesystem and Mounts,
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into the fs, mount_a, mount_b class attributes (setting mount_b is optional)
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Handles resetting the cluster under test between tests.
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"""
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# FIXME weird explicit naming
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mount_a = None
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mount_b = None
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recovery_mount = None
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# Declarative test requirements: subclasses should override these to indicate
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# their special needs. If not met, tests will be skipped.
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CLIENTS_REQUIRED = 1
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MDSS_REQUIRED = 1
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REQUIRE_KCLIENT_REMOTE = False
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REQUIRE_ONE_CLIENT_REMOTE = False
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# Whether to create the default filesystem during setUp
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REQUIRE_FILESYSTEM = True
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# requires REQUIRE_FILESYSTEM = True
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REQUIRE_RECOVERY_FILESYSTEM = False
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LOAD_SETTINGS = []
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def setUp(self):
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super(CephFSTestCase, self).setUp()
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if len(self.mds_cluster.mds_ids) < self.MDSS_REQUIRED:
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raise case.SkipTest("Only have {0} MDSs, require {1}".format(
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len(self.mds_cluster.mds_ids), self.MDSS_REQUIRED
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))
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if len(self.mounts) < self.CLIENTS_REQUIRED:
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raise case.SkipTest("Only have {0} clients, require {1}".format(
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len(self.mounts), self.CLIENTS_REQUIRED
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))
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if self.REQUIRE_KCLIENT_REMOTE:
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if not isinstance(self.mounts[0], FuseMount) or not isinstance(self.mounts[1], FuseMount):
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# kclient kill() power cycles nodes, so requires clients to each be on
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# their own node
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if self.mounts[0].client_remote.hostname == self.mounts[1].client_remote.hostname:
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raise case.SkipTest("kclient clients must be on separate nodes")
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if self.REQUIRE_ONE_CLIENT_REMOTE:
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if self.mounts[0].client_remote.hostname in self.mds_cluster.get_mds_hostnames():
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raise case.SkipTest("Require first client to be on separate server from MDSs")
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# Create friendly mount_a, mount_b attrs
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for i in range(0, self.CLIENTS_REQUIRED):
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setattr(self, "mount_{0}".format(chr(ord('a') + i)), self.mounts[i])
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self.mds_cluster.clear_firewall()
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# Unmount all clients, we are about to blow away the filesystem
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for mount in self.mounts:
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if mount.is_mounted():
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mount.umount_wait(force=True)
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# To avoid any issues with e.g. unlink bugs, we destroy and recreate
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# the filesystem rather than just doing a rm -rf of files
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self.mds_cluster.mds_stop()
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self.mds_cluster.mds_fail()
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self.mds_cluster.delete_all_filesystems()
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self.fs = None # is now invalid!
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self.recovery_fs = None
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# In case anything is in the OSD blacklist list, clear it out. This is to avoid
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# the OSD map changing in the background (due to blacklist expiry) while tests run.
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try:
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self.mds_cluster.mon_manager.raw_cluster_cmd("osd", "blacklist", "clear")
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except CommandFailedError:
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# Fallback for older Ceph cluster
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blacklist = json.loads(self.mds_cluster.mon_manager.raw_cluster_cmd("osd",
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"dump", "--format=json-pretty"))['blacklist']
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log.info("Removing {0} blacklist entries".format(len(blacklist)))
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for addr, blacklisted_at in blacklist.items():
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self.mds_cluster.mon_manager.raw_cluster_cmd("osd", "blacklist", "rm", addr)
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client_mount_ids = [m.client_id for m in self.mounts]
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# In case the test changes the IDs of clients, stash them so that we can
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# reset in tearDown
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self._original_client_ids = client_mount_ids
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log.info(client_mount_ids)
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# In case there were any extra auth identities around from a previous
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# test, delete them
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for entry in self.auth_list():
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ent_type, ent_id = entry['entity'].split(".")
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if ent_type == "client" and ent_id not in client_mount_ids and ent_id != "admin":
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self.mds_cluster.mon_manager.raw_cluster_cmd("auth", "del", entry['entity'])
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if self.REQUIRE_FILESYSTEM:
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self.fs = self.mds_cluster.newfs(create=True)
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self.fs.mds_restart()
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# In case some test messed with auth caps, reset them
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for client_id in client_mount_ids:
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self.mds_cluster.mon_manager.raw_cluster_cmd_result(
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'auth', 'caps', "client.{0}".format(client_id),
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'mds', 'allow',
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'mon', 'allow r',
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'osd', 'allow rw pool={0}'.format(self.fs.get_data_pool_name()))
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# wait for mds restart to complete...
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self.fs.wait_for_daemons()
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# Mount the requested number of clients
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for i in range(0, self.CLIENTS_REQUIRED):
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self.mounts[i].mount()
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self.mounts[i].wait_until_mounted()
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if self.REQUIRE_RECOVERY_FILESYSTEM:
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if not self.REQUIRE_FILESYSTEM:
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raise case.SkipTest("Recovery filesystem requires a primary filesystem as well")
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self.fs.mon_manager.raw_cluster_cmd('fs', 'flag', 'set',
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'enable_multiple', 'true',
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'--yes-i-really-mean-it')
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self.recovery_fs = self.mds_cluster.newfs(name="recovery_fs", create=False)
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self.recovery_fs.set_metadata_overlay(True)
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self.recovery_fs.set_data_pool_name(self.fs.get_data_pool_name())
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self.recovery_fs.create()
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self.recovery_fs.getinfo(refresh=True)
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self.recovery_fs.mds_restart()
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self.recovery_fs.wait_for_daemons()
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# Load an config settings of interest
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for setting in self.LOAD_SETTINGS:
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setattr(self, setting, float(self.fs.mds_asok(
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['config', 'get', setting], self.mds_cluster.mds_ids[0]
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)[setting]))
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self.configs_set = set()
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def tearDown(self):
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super(CephFSTestCase, self).tearDown()
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self.mds_cluster.clear_firewall()
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for m in self.mounts:
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m.teardown()
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for i, m in enumerate(self.mounts):
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m.client_id = self._original_client_ids[i]
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for subsys, key in self.configs_set:
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self.mds_cluster.clear_ceph_conf(subsys, key)
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def set_conf(self, subsys, key, value):
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self.configs_set.add((subsys, key))
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self.mds_cluster.set_ceph_conf(subsys, key, value)
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def auth_list(self):
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"""
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Convenience wrapper on "ceph auth ls"
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"""
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return json.loads(self.mds_cluster.mon_manager.raw_cluster_cmd(
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"auth", "ls", "--format=json-pretty"
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))['auth_dump']
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def assert_session_count(self, expected, ls_data=None, mds_id=None):
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if ls_data is None:
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ls_data = self.fs.mds_asok(['session', 'ls'], mds_id=mds_id)
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alive_count = len([s for s in ls_data if s['state'] != 'killing'])
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self.assertEqual(expected, alive_count, "Expected {0} sessions, found {1}".format(
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expected, alive_count
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))
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def assert_session_state(self, client_id, expected_state):
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self.assertEqual(
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self._session_by_id(
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self.fs.mds_asok(['session', 'ls'])).get(client_id, {'state': None})['state'],
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expected_state)
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def get_session_data(self, client_id):
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return self._session_by_id(client_id)
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def _session_list(self):
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ls_data = self.fs.mds_asok(['session', 'ls'])
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ls_data = [s for s in ls_data if s['state'] not in ['stale', 'closed']]
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return ls_data
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def get_session(self, client_id, session_ls=None):
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if session_ls is None:
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session_ls = self.fs.mds_asok(['session', 'ls'])
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return self._session_by_id(session_ls)[client_id]
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def _session_by_id(self, session_ls):
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return dict([(s['id'], s) for s in session_ls])
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def wait_for_daemon_start(self, daemon_ids=None):
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"""
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Wait until all the daemons appear in the FSMap, either assigned
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MDS ranks or in the list of standbys
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"""
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def get_daemon_names():
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return [info['name'] for info in self.mds_cluster.status().get_all()]
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if daemon_ids is None:
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daemon_ids = self.mds_cluster.mds_ids
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try:
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self.wait_until_true(
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lambda: set(daemon_ids) & set(get_daemon_names()) == set(daemon_ids),
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timeout=30
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)
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except RuntimeError:
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log.warn("Timeout waiting for daemons {0}, while we have {1}".format(
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daemon_ids, get_daemon_names()
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))
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raise
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def delete_mds_coredump(self, daemon_id):
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# delete coredump file, otherwise teuthology.internal.coredump will
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# catch it later and treat it as a failure.
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p = self.mds_cluster.mds_daemons[daemon_id].remote.run(args=[
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"sudo", "sysctl", "-n", "kernel.core_pattern"], stdout=StringIO())
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core_dir = os.path.dirname(p.stdout.getvalue().strip())
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if core_dir: # Non-default core_pattern with a directory in it
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# We have seen a core_pattern that looks like it's from teuthology's coredump
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# task, so proceed to clear out the core file
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log.info("Clearing core from directory: {0}".format(core_dir))
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# Verify that we see the expected single coredump
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ls_proc = self.mds_cluster.mds_daemons[daemon_id].remote.run(args=[
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"cd", core_dir, run.Raw('&&'),
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"sudo", "ls", run.Raw('|'), "sudo", "xargs", "file"
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], stdout=StringIO())
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cores = [l.partition(":")[0]
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for l in ls_proc.stdout.getvalue().strip().split("\n")
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if re.match(r'.*ceph-mds.* -i +{0}'.format(daemon_id), l)]
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log.info("Enumerated cores: {0}".format(cores))
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self.assertEqual(len(cores), 1)
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log.info("Found core file {0}, deleting it".format(cores[0]))
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self.mds_cluster.mds_daemons[daemon_id].remote.run(args=[
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"cd", core_dir, run.Raw('&&'), "sudo", "rm", "-f", cores[0]
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])
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else:
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log.info("No core_pattern directory set, nothing to clear (internal.coredump not enabled?)")
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