def quorum_status():
"""
Reports the status of monitor quorum
"""
base_result = MetricData(
name='cephlm.monitor.quorum',
messages={
'ok': 'Monitors are in quorum.',
'warn': 'Monitors ({msg}) is/are not in quorum.',
'fail': 'Monitors ({msg}) have not formed quorum.',
'unknown': 'Probe error: {msg}.'
})
msg = ''
value = Severity.ok
try:
output = Monitor.get_quorum_status()
quorum = output['quorum']
monitors = output['monmap']['mons']
if len(quorum) < len(monitors):
value = Severity.warn
for mon in monitors:
if mon['rank'] not in quorum:
msg += mon['name'] + ', '
msg = msg[:-2]
except CephCommandTimeoutException:
value = Severity.fail
cluster_name, config, config_file = Ceph._get_ceph_config()
msg = config.get('global', 'mon_host')
except CephCommandException as e:
value = Severity.unknown
msg = str(e)
result = base_result.child(msgkeys={'msg': msg})
result.value = value
return result
def test_get_osd_tree_error(self, mock_cmd):
Ceph._get_ceph_config = mock.Mock(return_value=('ceph1', dict(),
'/etc/ceph/ceph.conf'))
regexp = "Failed to run command 'ceph osd tree'"
mock_cmd.side_effect = ShellCommandException(regexp)
self.assertRaisesRegexp(CephCommandException, regexp,
lambda: Ceph.get_osd_tree())
def test_get_monitors(self, mock_status):
mock_status.return_value = ClusterStatusData.HEALTH_OK
result = Ceph.get_monitors()
expected_monitors = [
"ceph3ntw-cp1-ceph-mon0001-osd-client",
"ceph3ntw-cp1-ceph-mon0002-osd-client",
"ceph3ntw-cp1-ceph-mon0003-osd-client"
]
self.assertEqual(result.sort(), expected_monitors.sort())
def test_get_ceph_config(self, mock_path, mock_listdir):
mock_path.return_value = True
mock_listdir.return_value = [
"ceph1.conf", "ceph.mon.keyring", "ceph.client.admin.keyring"
]
with mock.patch('ConfigParser.RawConfigParser') as mocked:
mocked.return_value = mock.MagicMock(
spec=ConfigParser.RawConfigParser)
cluster_name, config, config_file = Ceph._get_ceph_config()
self.assertEqual(cluster_name, 'ceph1')
def check_osd_node_ram():
"""
Checks for optimal memory requirement in a Ceph OSD node [Run as root]
"""
base_result = MetricData(
name='cephlm.perfscale.osd_node_ram',
messages={
'ok':
'Host RAM({ram}GiB) meets %s GiB per TiB of data disk'
'({total_osd_size}TiB) guideline.' %
PerfScale.GiB_PER_TiB_DATA,
'warn':
'Host RAM({ram}GiB) violates %s GiB per TiB of data disk' # noqa
'({total_osd_size}TiB) guideline.' %
PerfScale.GiB_PER_TiB_DATA,
'unknown':
'Probe error: {msg}'
})
try:
journal_disks, data_disks = Ceph.get_ceph_disk_list()
mem_info = get_system_memory_info()
disks_info = get_system_disks_size()
except (CephLMException, CephCommandException) as e:
result = base_result.child(msgkeys={'msg': str(e)})
result.value = Severity.unknown
return result
total_osd_size, ram = PerfScale._process_osd_ram_data(
data_disks, disks_info, mem_info)
if not data_disks:
# Ideally this check will not be run on non OSD nodes, but in case
# it does, we return an empty list
return list()
result = base_result.child(msgkeys={
'ram': '%s' % ram,
'total_osd_size': '%s' % total_osd_size
})
result.value = PerfScale._process_osd_ram_status(total_osd_size, ram)
return result
def test_get_osd_tree(self, mock_cmd):
Ceph._get_ceph_config = mock.Mock(return_value=('ceph1', dict(),
'/etc/ceph/ceph.conf'))
mock_cmd.return_value = json.dumps(OSDData.TEST_OSD_TREE)
result = Ceph.get_osd_tree()
self.assertEqual(OSDData.TEST_OSD_TREE, result)
def test_get_ceph_disk_list_error(self, mock_cmd):
regexp = "Failed to run command 'ceph-disk list'"
mock_cmd.side_effect = ShellCommandException(regexp)
self.assertRaisesRegexp(CephCommandException, regexp,
lambda: Ceph.get_ceph_disk_list())
def test_get_ceph_disk_list(self, mock_cmd):
mock_cmd.return_value = CephDisksData.DISK_LIST_STDOUT_OK
result = Ceph.get_ceph_disk_list()
self.assertEqual(CephDisksData.DISK_LIST_OK, result)
def test_get_status(self, mock_cmd):
Ceph._get_ceph_config = mock.Mock(return_value=('ceph1', dict(),
'/etc/ceph/ceph.conf'))
mock_cmd.return_value = json.dumps(ClusterStatusData.HEALTH_OK)
result = Ceph.get_status()
self.assertEqual(ClusterStatusData.HEALTH_OK, result)
def test_get_ceph_config_error(self, mock_path, mock_listdir):
mock_path.return_value = False
mock_listdir.return_value = []
regexp = "Could not find ceph configuration directory /etc/ceph"
self.assertRaisesRegexp(CephLMException, regexp,
lambda: Ceph._get_ceph_config())
def test_get_quorum_status(self, mock_cmd):
Ceph._get_ceph_config = mock.Mock(
return_value=('ceph1', dict(), '/etc/ceph/ceph1.conf'))
mock_cmd.return_value = json.dumps(MonitorQuorumData.QUORUM_OK)
result = Ceph.get_quorum_status()
self.assertEqual(MonitorQuorumData.QUORUM_OK, result)
def test_get_ceph_df(self, mock_cmd):
Ceph._get_ceph_config = mock.Mock(
return_value=('ceph1', dict(), '/etc/ceph/ceph1.conf'))
mock_cmd.return_value = json.dumps(PoolData.test_pool_df)
result = Ceph.get_ceph_df()
self.assertEqual(PoolData.test_pool_df, result)