ceph/teuthology/task/clock.py

105 lines
2.5 KiB
Python

"""
Clock synchronizer
"""
import logging
import contextlib
from ..orchestra import run
log = logging.getLogger(__name__)
@contextlib.contextmanager
def task(ctx, config):
"""
Sync or skew clock
This will initially sync the clocks. Eventually it should let us also
skew by some number of seconds.
example:
tasks:
- clock:
- ceph:
- interactive:
to sync.
:param ctx: Context
:param config: Configuration
"""
log.info('Syncing clocks and checking initial clock skew...')
for rem in ctx.cluster.remotes.iterkeys():
rem.run(
args=[
'sudo',
'service', 'ntp', 'stop',
run.Raw(';'),
'sudo',
'ntpdate',
# 'clock1.dreamhost.com',
# 'clock2.dreamhost.com',
# 'clock3.dreamhost.com',
# 'time.apple.com',
'0.debian.pool.ntp.org',
'1.debian.pool.ntp.org',
'2.debian.pool.ntp.org',
'3.debian.pool.ntp.org',
run.Raw(';'),
'sudo',
'service', 'ntp', 'start',
run.Raw(';'),
'PATH=/usr/bin:/usr/sbin',
'ntpdc', '-p',
],
logger=log.getChild(rem.name),
)
try:
yield
finally:
log.info('Checking final clock skew...')
for rem in ctx.cluster.remotes.iterkeys():
rem.run(
args=[
'PATH=/usr/bin:/usr/sbin',
'ntpdc', '-p',
],
logger=log.getChild(rem.name),
)
@contextlib.contextmanager
def check(ctx, config):
"""
Run ntpdc at the start and the end of the task.
:param ctx: Context
:param config: Configuration
"""
log.info('Checking initial clock skew...')
for rem in ctx.cluster.remotes.iterkeys():
rem.run(
args=[
'PATH=/usr/bin:/usr/sbin',
'ntpdc', '-p',
],
logger=log.getChild(rem.name),
)
try:
yield
finally:
log.info('Checking final clock skew...')
for rem in ctx.cluster.remotes.iterkeys():
rem.run(
args=[
'PATH=/usr/bin:/usr/sbin',
'ntpdc', '-p',
],
logger=log.getChild(rem.name),
)