mirror of https://github.com/ceph/ceph
212 lines
6.8 KiB
Python
212 lines
6.8 KiB
Python
"""
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Handle osdfailsafe configuration settings (nearfull ratio and full ratio)
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"""
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from cStringIO import StringIO
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import logging
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import time
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from teuthology.orchestra import run
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from util.rados import rados
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from teuthology import misc as teuthology
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log = logging.getLogger(__name__)
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def task(ctx, config):
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"""
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Test handling of osd_failsafe_nearfull_ratio and osd_failsafe_full_ratio
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configuration settings
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In order for test to pass must use log-whitelist as follows
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tasks:
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- chef:
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- install:
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- ceph:
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log-whitelist: ['OSD near full', 'OSD full dropping all updates']
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- osd_failsafe_enospc:
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"""
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if config is None:
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config = {}
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assert isinstance(config, dict), \
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'osd_failsafe_enospc task only accepts a dict for configuration'
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# Give 2 seconds for injectargs + osd_op_complaint_time (30) + 2 * osd_heartbeat_interval (6) + 6 padding
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sleep_time = 50
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# something that is always there
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dummyfile = '/etc/fstab'
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dummyfile2 = '/etc/resolv.conf'
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# create 1 pg pool with 1 rep which can only be on osd.0
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osds = ctx.manager.get_osd_dump()
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for osd in osds:
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if osd['osd'] != 0:
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ctx.manager.mark_out_osd(osd['osd'])
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log.info('creating pool foo')
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ctx.manager.create_pool("foo")
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ctx.manager.raw_cluster_cmd('osd', 'pool', 'set', 'foo', 'size', '1')
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# State NONE -> NEAR
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log.info('1. Verify warning messages when exceeding nearfull_ratio')
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first_mon = teuthology.get_first_mon(ctx, config)
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(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
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proc = mon.run(
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args=[
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'daemon-helper',
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'kill',
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'ceph', '-w'
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],
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stdin=run.PIPE,
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stdout=StringIO(),
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wait=False,
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)
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ctx.manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_nearfull_ratio .00001')
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time.sleep(sleep_time)
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proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
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proc.wait()
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lines = proc.stdout.getvalue().split('\n')
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count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
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assert count == 2, 'Incorrect number of warning messages expected 2 got %d' % count
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count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
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assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
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# State NEAR -> FULL
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log.info('2. Verify error messages when exceeding full_ratio')
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proc = mon.run(
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args=[
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'daemon-helper',
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'kill',
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'ceph', '-w'
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],
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stdin=run.PIPE,
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stdout=StringIO(),
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wait=False,
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)
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ctx.manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .00001')
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time.sleep(sleep_time)
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proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
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proc.wait()
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lines = proc.stdout.getvalue().split('\n')
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count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
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assert count == 2, 'Incorrect number of error messages expected 2 got %d' % count
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log.info('3. Verify write failure when exceeding full_ratio')
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# Write data should fail
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ret = rados(ctx, mon, ['-p', 'foo', 'put', 'newfile1', dummyfile])
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assert ret != 0, 'Expected write failure but it succeeded with exit status 0'
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# Put back default
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ctx.manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .97')
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time.sleep(10)
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# State FULL -> NEAR
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log.info('4. Verify write success when NOT exceeding full_ratio')
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# Write should succeed
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ret = rados(ctx, mon, ['-p', 'foo', 'put', 'newfile2', dummyfile2])
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assert ret == 0, 'Expected write to succeed, but got exit status %d' % ret
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log.info('5. Verify warning messages again when exceeding nearfull_ratio')
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proc = mon.run(
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args=[
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'daemon-helper',
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'kill',
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'ceph', '-w'
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],
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stdin=run.PIPE,
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stdout=StringIO(),
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wait=False,
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)
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time.sleep(sleep_time)
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proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
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proc.wait()
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lines = proc.stdout.getvalue().split('\n')
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count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
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assert count == 1 or count == 2, 'Incorrect number of warning messages expected 1 or 2 got %d' % count
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count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
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assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
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ctx.manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_nearfull_ratio .90')
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time.sleep(10)
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# State NONE -> FULL
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log.info('6. Verify error messages again when exceeding full_ratio')
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proc = mon.run(
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args=[
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'daemon-helper',
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'kill',
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'ceph', '-w'
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],
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stdin=run.PIPE,
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stdout=StringIO(),
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wait=False,
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)
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ctx.manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .00001')
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time.sleep(sleep_time)
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proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
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proc.wait()
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lines = proc.stdout.getvalue().split('\n')
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count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
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assert count == 0, 'Incorrect number of warning messages expected 0 got %d' % count
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count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
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assert count == 2, 'Incorrect number of error messages expected 2 got %d' % count
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# State FULL -> NONE
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log.info('7. Verify no messages settings back to default')
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ctx.manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .97')
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time.sleep(10)
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proc = mon.run(
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args=[
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'daemon-helper',
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'kill',
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'ceph', '-w'
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],
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stdin=run.PIPE,
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stdout=StringIO(),
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wait=False,
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)
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time.sleep(sleep_time)
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proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
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proc.wait()
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lines = proc.stdout.getvalue().split('\n')
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count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
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assert count == 0, 'Incorrect number of warning messages expected 0 got %d' % count
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count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
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assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
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log.info('Test Passed')
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# Bring all OSDs back in
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ctx.manager.remove_pool("foo")
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for osd in osds:
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if osd['osd'] != 0:
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ctx.manager.mark_in_osd(osd['osd'])
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