mirror of
https://github.com/ceph/ceph
synced 2024-12-23 11:54:11 +00:00
0584b9c8dc
It was trying to get the output file from a different remote than the one used to run the journal tool. Signed-off-by: John Spray <john.spray@redhat.com>
90 lines
3.3 KiB
Python
90 lines
3.3 KiB
Python
|
|
from StringIO import StringIO
|
|
from tasks.cephfs.cephfs_test_case import CephFSTestCase
|
|
from tasks.workunit import task as workunit
|
|
|
|
JOURNAL_FORMAT_LEGACY = 0
|
|
JOURNAL_FORMAT_RESILIENT = 1
|
|
|
|
|
|
class TestJournalMigration(CephFSTestCase):
|
|
CLIENTS_REQUIRED = 1
|
|
|
|
def test_journal_migration(self):
|
|
old_journal_version = JOURNAL_FORMAT_LEGACY
|
|
new_journal_version = JOURNAL_FORMAT_RESILIENT
|
|
|
|
self.fs.set_ceph_conf('mds', 'mds journal format', old_journal_version)
|
|
|
|
# Create a filesystem using the older journal format.
|
|
self.mount_a.umount_wait()
|
|
self.fs.mds_stop()
|
|
self.fs.reset()
|
|
self.fs.mds_restart()
|
|
self.fs.wait_for_daemons()
|
|
|
|
# Do some client work so that the log is populated with something.
|
|
with self.mount_a.mounted():
|
|
self.mount_a.create_files()
|
|
self.mount_a.check_files() # sanity, this should always pass
|
|
|
|
# Run a more substantial workunit so that the length of the log to be
|
|
# coverted is going span at least a few segments
|
|
workunit(self.ctx, {
|
|
'clients': {
|
|
"client.{0}".format(self.mount_a.client_id): ["suites/fsstress.sh"],
|
|
},
|
|
"timeout": "3h"
|
|
})
|
|
|
|
# Modify the ceph.conf to ask the MDS to use the new journal format.
|
|
self.fs.set_ceph_conf('mds', 'mds journal format', new_journal_version)
|
|
|
|
# Restart the MDS.
|
|
self.fs.mds_fail_restart()
|
|
self.fs.wait_for_daemons()
|
|
|
|
# This ensures that all daemons come up into a valid state
|
|
self.fs.wait_for_daemons()
|
|
|
|
# Check that files created in the initial client workload are still visible
|
|
# in a client mount.
|
|
with self.mount_a.mounted():
|
|
self.mount_a.check_files()
|
|
|
|
# Verify that the journal really has been rewritten.
|
|
journal_version = self.fs.get_journal_version()
|
|
if journal_version != new_journal_version:
|
|
raise RuntimeError("Journal was not upgraded, version should be {0} but is {1}".format(
|
|
new_journal_version, journal_version()
|
|
))
|
|
|
|
# Verify that cephfs-journal-tool can now read the rewritten journal
|
|
inspect_out = self.fs.journal_tool(["journal", "inspect"])
|
|
if not inspect_out.endswith(": OK"):
|
|
raise RuntimeError("Unexpected journal-tool result: '{0}'".format(
|
|
inspect_out
|
|
))
|
|
|
|
self.fs.journal_tool(["event", "get", "json", "--path", "/tmp/journal.json"])
|
|
p = self.fs.tool_remote.run(
|
|
args=[
|
|
"python",
|
|
"-c",
|
|
"import json; print len(json.load(open('/tmp/journal.json')))"
|
|
],
|
|
stdout=StringIO())
|
|
event_count = int(p.stdout.getvalue().strip())
|
|
if event_count < 1000:
|
|
# Approximate value of "lots", expected from having run fsstress
|
|
raise RuntimeError("Unexpectedly few journal events: {0}".format(event_count))
|
|
|
|
# Do some client work so that the log is populated with something.
|
|
with self.mount_a.mounted():
|
|
workunit(self.ctx, {
|
|
'clients': {
|
|
"client.{0}".format(self.mount_a.client_id): ["fs/misc/trivial_sync.sh"],
|
|
},
|
|
"timeout": "3h"
|
|
})
|