--- /dev/null
+"""
+Handle osdfailsafe configuration settings (nearfull ratio and full ratio)
+"""
+from cStringIO import StringIO
+import logging
+import time
+
+from teuthology.orchestra import run
+from util.rados import rados
+from teuthology import misc as teuthology
+
+log = logging.getLogger(__name__)
+
+def task(ctx, config):
+ """
+ Test handling of osd_failsafe_nearfull_ratio and osd_failsafe_full_ratio
+ configuration settings
+
+ In order for test to pass must use log-whitelist as follows
+
+ tasks:
+ - chef:
+ - install:
+ - ceph:
+ log-whitelist: ['OSD near full', 'OSD full dropping all updates']
+ - osd_failsafe_enospc:
+
+ """
+ if config is None:
+ config = {}
+ assert isinstance(config, dict), \
+ 'osd_failsafe_enospc task only accepts a dict for configuration'
+
+ # Give 2 seconds for injectargs + osd_op_complaint_time (30) + 2 * osd_heartbeat_interval (6) + 6 padding
+ sleep_time = 50
+
+ # something that is always there
+ dummyfile = '/etc/fstab'
+ dummyfile2 = '/etc/resolv.conf'
+
+ manager = ctx.managers['ceph']
+
+ # create 1 pg pool with 1 rep which can only be on osd.0
+ osds = manager.get_osd_dump()
+ for osd in osds:
+ if osd['osd'] != 0:
+ manager.mark_out_osd(osd['osd'])
+
+ log.info('creating pool foo')
+ manager.create_pool("foo")
+ manager.raw_cluster_cmd('osd', 'pool', 'set', 'foo', 'size', '1')
+
+ # State NONE -> NEAR
+ log.info('1. Verify warning messages when exceeding nearfull_ratio')
+
+ first_mon = teuthology.get_first_mon(ctx, config)
+ (mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
+
+ proc = mon.run(
+ args=[
+ 'sudo',
+ 'daemon-helper',
+ 'kill',
+ 'ceph', '-w'
+ ],
+ stdin=run.PIPE,
+ stdout=StringIO(),
+ wait=False,
+ )
+
+ manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_nearfull_ratio .00001')
+
+ time.sleep(sleep_time)
+ proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
+ proc.wait()
+
+ lines = proc.stdout.getvalue().split('\n')
+
+ count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
+ assert count == 2, 'Incorrect number of warning messages expected 2 got %d' % count
+ count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
+ assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
+
+ # State NEAR -> FULL
+ log.info('2. Verify error messages when exceeding full_ratio')
+
+ proc = mon.run(
+ args=[
+ 'sudo',
+ 'daemon-helper',
+ 'kill',
+ 'ceph', '-w'
+ ],
+ stdin=run.PIPE,
+ stdout=StringIO(),
+ wait=False,
+ )
+
+ manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .00001')
+
+ time.sleep(sleep_time)
+ proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
+ proc.wait()
+
+ lines = proc.stdout.getvalue().split('\n')
+
+ count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
+ assert count == 2, 'Incorrect number of error messages expected 2 got %d' % count
+
+ log.info('3. Verify write failure when exceeding full_ratio')
+
+ # Write data should fail
+ ret = rados(ctx, mon, ['-p', 'foo', 'put', 'newfile1', dummyfile])
+ assert ret != 0, 'Expected write failure but it succeeded with exit status 0'
+
+ # Put back default
+ manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .97')
+ time.sleep(10)
+
+ # State FULL -> NEAR
+ log.info('4. Verify write success when NOT exceeding full_ratio')
+
+ # Write should succeed
+ ret = rados(ctx, mon, ['-p', 'foo', 'put', 'newfile2', dummyfile2])
+ assert ret == 0, 'Expected write to succeed, but got exit status %d' % ret
+
+ log.info('5. Verify warning messages again when exceeding nearfull_ratio')
+
+ proc = mon.run(
+ args=[
+ 'sudo',
+ 'daemon-helper',
+ 'kill',
+ 'ceph', '-w'
+ ],
+ stdin=run.PIPE,
+ stdout=StringIO(),
+ wait=False,
+ )
+
+ time.sleep(sleep_time)
+ proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
+ proc.wait()
+
+ lines = proc.stdout.getvalue().split('\n')
+
+ count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
+ assert count == 1 or count == 2, 'Incorrect number of warning messages expected 1 or 2 got %d' % count
+ count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
+ assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
+
+ manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_nearfull_ratio .90')
+ time.sleep(10)
+
+ # State NONE -> FULL
+ log.info('6. Verify error messages again when exceeding full_ratio')
+
+ proc = mon.run(
+ args=[
+ 'sudo',
+ 'daemon-helper',
+ 'kill',
+ 'ceph', '-w'
+ ],
+ stdin=run.PIPE,
+ stdout=StringIO(),
+ wait=False,
+ )
+
+ manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .00001')
+
+ time.sleep(sleep_time)
+ proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
+ proc.wait()
+
+ lines = proc.stdout.getvalue().split('\n')
+
+ count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
+ assert count == 0, 'Incorrect number of warning messages expected 0 got %d' % count
+ count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
+ assert count == 2, 'Incorrect number of error messages expected 2 got %d' % count
+
+ # State FULL -> NONE
+ log.info('7. Verify no messages settings back to default')
+
+ manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .97')
+ time.sleep(10)
+
+ proc = mon.run(
+ args=[
+ 'sudo',
+ 'daemon-helper',
+ 'kill',
+ 'ceph', '-w'
+ ],
+ stdin=run.PIPE,
+ stdout=StringIO(),
+ wait=False,
+ )
+
+ time.sleep(sleep_time)
+ proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
+ proc.wait()
+
+ lines = proc.stdout.getvalue().split('\n')
+
+ count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
+ assert count == 0, 'Incorrect number of warning messages expected 0 got %d' % count
+ count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
+ assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
+
+ log.info('Test Passed')
+
+ # Bring all OSDs back in
+ manager.remove_pool("foo")
+ for osd in osds:
+ if osd['osd'] != 0:
+ manager.mark_in_osd(osd['osd'])
Code Review / stor4nfv.git / blobdiff