def main():
if (diskstats.OS_NAME != 'Linux'):
print('diskstats plugin currently works for Linux only')
print('os_name: %s' % (diskstats.os_name))
print('Finished')
return
logging.basicConfig(level=logging.INFO)
diskstats.get_dev_list()
diskstats.dev_stats_cache = diskstats.collect_diskstats()
logging.info('netstats_ftest: dev_list: %s' % (diskstats.dev_list))
logging.debug('netstats_ftest: dev_stats_cache: %s'
% (diskstats.dev_stats_cache))
print('netstats_ftest: ... sleeping for 10 sec...')
time.sleep(10)
diskstats.dev_stats_current = diskstats.collect_diskstats()
logging.debug('netstats_ftest: dev_stats_cur: %s'
% (diskstats.dev_stats_current))
metric_names = ['iops_rw', 'bytes_ps_read', 'bytes_ps_write']
print_header()
metric_key_vals = {}
metric_vals = []
for i in diskstats.dev_list:
metric_key_vals = diskstats.calc_metrics(i)
logging.debug('metric_key_vals: %s' % (metric_key_vals))
metric_vals = [metric_key_vals[k] for k in metric_names]
dev_pretty_prints(i, metric_vals)
logging.debug('metric_vals: %s' % (metric_vals))
def main():
if (diskstats.OS_NAME != 'Linux'):
print('diskstats plugin currently works for Linux only')
print('os_name: %s' % (diskstats.os_name))
print('Finished')
return
logging.basicConfig(level=logging.INFO)
diskstats.get_dev_list()
diskstats.dev_stats_cache = diskstats.collect_diskstats()
logging.info('netstats_ftest: dev_list: %s' % (diskstats.dev_list))
logging.debug('netstats_ftest: dev_stats_cache: %s' %
(diskstats.dev_stats_cache))
print('netstats_ftest: ... sleeping for 10 sec...')
time.sleep(10)
diskstats.dev_stats_current = diskstats.collect_diskstats()
logging.debug('netstats_ftest: dev_stats_cur: %s' %
(diskstats.dev_stats_current))
metric_names = ['iops_rw', 'bytes_ps_read', 'bytes_ps_write']
print_header()
metric_key_vals = {}
metric_vals = []
for i in diskstats.dev_list:
metric_key_vals = diskstats.calc_metrics(i)
logging.debug('metric_key_vals: %s' % (metric_key_vals))
metric_vals = [metric_key_vals[k] for k in metric_names]
dev_pretty_prints(i, metric_vals)
logging.debug('metric_vals: %s' % (metric_vals))
def test_4_diskstats_swap_cache(self):
st_names = diskstats.diskstat_fields[3:14]
diskstats.dev_stats_cache = diskstats.collect_diskstats()
diskstats.dev_stats_current = diskstats.collect_diskstats()
diskstats.swap_current_cache()
diskstats.dev_stats_current = diskstats.collect_diskstats()
for i in diskstats.dev_list:
self.assertNotEqual(diskstats.dev_stats_cache[(i, 'ts')],
diskstats.dev_stats_current[(i, 'ts')],
'prev and curr timestamps should differ')
self.assertEqual([diskstats.dev_stats_cache[(i,k)] for k in st_names],
[diskstats.dev_stats_current[(i,k)] for k in st_names],
'prev and curr dev stats should be same')
def test_4_diskstats_swap_cache(self):
st_names = diskstats.diskstat_fields[3:14]
diskstats.dev_stats_cache = diskstats.collect_diskstats()
diskstats.dev_stats_current = diskstats.collect_diskstats()
diskstats.swap_current_cache()
diskstats.dev_stats_current = diskstats.collect_diskstats()
for i in diskstats.dev_list:
self.assertNotEqual(
diskstats.dev_stats_cache[(i, "ts")],
diskstats.dev_stats_current[(i, "ts")],
"prev and curr timestamps should differ",
)
self.assertEqual(
[diskstats.dev_stats_cache[(i, k)] for k in st_names],
[diskstats.dev_stats_current[(i, k)] for k in st_names],
"prev and curr dev stats should be same",
)
def test_3_diskstats_metrics_calc(self):
diskstats.dev_stats_cache = diskstats.collect_diskstats()
diskstats.dev_stats_current = diskstats.collect_diskstats()
metrics_key_vals = diskstats.calc_metrics(diskstats.dev_list[0])
dev_metrics_vals = metrics_key_vals.values()
num_metrics_keys = len(diskstats.diskstat_metrics)
num_metrics_vals = len(dev_metrics_vals)
try:
self.assertEqual(num_metrics_keys, num_metrics_vals, "number of metric names not equals to vals")
self.assertEqual(metrics_key_vals["util_pct"], 0.0, "wrong util_pct")
self.assertEqual(metrics_key_vals["bytes_per_write"], None, "wrong bytes_per_write value")
except:
print("del_t: %f" % (diskstats.calc_del_t(diskstats.dev_list[0])))
print("metris_key_vals: %s" % (metrics_key_vals))
print("Exception: %s" % (sys.exc_info()[0]))
raise
def test_3_diskstats_metrics_calc(self):
diskstats.dev_stats_cache = diskstats.collect_diskstats()
diskstats.dev_stats_current = diskstats.collect_diskstats()
metrics_key_vals = diskstats.calc_metrics(diskstats.dev_list[0])
dev_metrics_vals = metrics_key_vals.values()
num_metrics_keys = len(diskstats.diskstat_metrics)
num_metrics_vals = len(dev_metrics_vals)
try:
self.assertEqual(num_metrics_keys, num_metrics_vals,
'number of metric names not equals to vals')
self.assertEqual(metrics_key_vals['util_pct'], 0.0, 'wrong util_pct')
self.assertEqual(metrics_key_vals['bytes_per_write'], None,
'wrong bytes_per_write value')
except:
print('del_t: %f' % (diskstats.calc_del_t(diskstats.dev_list[0])))
print('metris_key_vals: %s' % (metrics_key_vals))
print('Exception: %s' % (sys.exc_info()[0]))
raise
def test_2_diskstats_collection(self):
diskstats.dev_list = []
diskstats.DISKSTATS_FNAME = PROCFS_DISKSTAT
diskstats.get_dev_list()
stats_names = diskstats.diskstat_fields[3:14]
dev_stats_current = diskstats.collect_diskstats()
field_names = [dev_stats_current[(diskstats.dev_list[0], k)] for k in stats_names]
num_dev = len(diskstats.dev_list)
num_fields = len(field_names)
num_expected_fields = (num_fields + 1) * num_dev
self.assertTrue(len(dev_stats_current) > 0, "at least one metric")
try:
self.assertEqual(len(dev_stats_current), num_expected_fields, "unexpected diskstat fields and vals")
except:
print("dev_stats_current: %s" % (dev_stats_current))
print("field_names: %s" % (field_names))
print("dev_stats_current len: %d" % (len(dev_stats_current)))
print("Exception: %s" % (sys.exc_info()[0]))
raise
def test_2_diskstats_collection(self):
diskstats.dev_list = []
diskstats.DISKSTATS_FNAME = PROCFS_DISKSTAT
diskstats.get_dev_list()
stats_names = diskstats.diskstat_fields[3:14]
dev_stats_current = diskstats.collect_diskstats()
field_names = [dev_stats_current[(diskstats.dev_list[0], k)] for k in
stats_names]
num_dev = len(diskstats.dev_list)
num_fields = len(field_names)
num_expected_fields = (num_fields + 1) * num_dev;
self.assertTrue(len(dev_stats_current) > 0,
'at least one metric')
try:
self.assertEqual(len(dev_stats_current), num_expected_fields,
'unexpected diskstat fields and vals')
except:
print('dev_stats_current: %s' % (dev_stats_current))
print('field_names: %s' % (field_names))
print('dev_stats_current len: %d' % (len(dev_stats_current)))
print('Exception: %s' % (sys.exc_info()[0]))
raise
