def gauge_stats(osd, osd_spec):
for stat in [
'osd.op_w', 'osd.op_in_bytes', 'osd.op_r', 'osd.op_out_bytes'
]:
prop = stat.split('.')[1]
rates = CephService.get_rates('osd', osd_spec, stat)
osd['stats'][prop] = get_most_recent_rate(rates)
osd['stats_history'][prop] = rates
# Gauge stats
for stat in ['osd.numpg', 'osd.stat_bytes', 'osd.stat_bytes_used']:
osd['stats'][stat.split('.')[1]] = mgr.get_latest(
'osd', osd_spec, stat)
def list(self):
osds = self.get_osd_map()
# Extending by osd stats information
for stat in mgr.get('osd_stats')['osd_stats']:
if stat['osd'] in osds:
osds[stat['osd']]['osd_stats'] = stat
# Extending by osd node information
nodes = mgr.get('osd_map_tree')['nodes']
for node in nodes:
if node['type'] == 'osd' and node['id'] in osds:
osds[node['id']]['tree'] = node
# Extending by osd parent node information
for host in [n for n in nodes if n['type'] == 'host']:
for osd_id in host['children']:
if osd_id >= 0 and osd_id in osds:
osds[osd_id]['host'] = host
removing_osd_ids = self.get_removing_osds()
# Extending by osd histogram and orchestrator data
for osd_id, osd in osds.items():
osd['stats'] = {}
osd['stats_history'] = {}
osd_spec = str(osd_id)
if 'osd' not in osd:
continue # pragma: no cover - simple early continue
for stat in [
'osd.op_w', 'osd.op_in_bytes', 'osd.op_r',
'osd.op_out_bytes'
]:
prop = stat.split('.')[1]
rates = CephService.get_rates('osd', osd_spec, stat)
osd['stats'][prop] = get_most_recent_rate(rates)
osd['stats_history'][prop] = rates
# Gauge stats
for stat in ['osd.numpg', 'osd.stat_bytes', 'osd.stat_bytes_used']:
osd['stats'][stat.split('.')[1]] = mgr.get_latest(
'osd', osd_spec, stat)
osd['operational_status'] = self._get_operational_status(
osd_id, removing_osd_ids)
return list(osds.values())
def get_pool_list_with_stats(cls, application=None):
# pylint: disable=too-many-locals
pools = cls.get_pool_list(application)
pools_w_stats = []
pg_summary = mgr.get("pg_summary")
pool_stats = mgr.get_updated_pool_stats()
for pool in pools:
pool['pg_status'] = pg_summary['by_pool'][pool['pool'].__str__()]
stats = pool_stats[pool['pool']]
s = {}
for stat_name, stat_series in stats.items():
rates = get_time_series_rates(stat_series)
s[stat_name] = {
'latest': stat_series[0][1],
'rate': get_most_recent_rate(rates),
'rates': rates
}
pool['stats'] = s
pools_w_stats.append(pool)
return pools_w_stats
def get_rate(cls, svc_type, svc_name, path):
"""returns most recent rate"""
return get_most_recent_rate(cls.get_rates(svc_type, svc_name, path))
def get_iscsi_info():
daemons = {} # type: Dict[str, dict]
images = {} # type: Dict[str, dict]
for service in CephService.get_service_list(SERVICE_TYPE):
metadata = service['metadata']
if metadata is None:
continue
status = service['status']
hostname = service['hostname']
daemon = daemons.get(hostname, None)
if daemon is None:
daemon = {
'server_hostname': hostname,
'version': metadata['ceph_version'],
'optimized_paths': 0,
'non_optimized_paths': 0
}
daemons[hostname] = daemon
service_id = service['id']
device_id = service_id.split(':')[-1]
image = images.get(device_id)
if image is None:
image = {
'device_id': device_id,
'pool_name': metadata['pool_name'],
'name': metadata['image_name'],
'id': metadata.get('image_id', None),
'optimized_paths': [],
'non_optimized_paths': []
}
images[device_id] = image
if status.get('lock_owner', 'false') == 'true':
daemon['optimized_paths'] += 1
image['optimized_paths'].append(hostname)
perf_key_prefix = "librbd-{id}-{pool}-{name}.".format(
id=metadata.get('image_id', ''),
pool=metadata['pool_name'],
name=metadata['image_name'])
perf_key = "{}lock_acquired_time".format(perf_key_prefix)
lock_acquired_time = (mgr.get_counter(
'tcmu-runner', service_id, perf_key)[perf_key]
or [[0, 0]])[-1][1] / 1000000000
if lock_acquired_time > image.get('optimized_since', 0):
image['optimized_daemon'] = hostname
image['optimized_since'] = lock_acquired_time
image['stats'] = {}
image['stats_history'] = {}
for s in ['rd', 'wr', 'rd_bytes', 'wr_bytes']:
perf_key = "{}{}".format(perf_key_prefix, s)
rates = CephService.get_rates('tcmu-runner', service_id, perf_key)
image['stats'][s] = get_most_recent_rate(rates)
image['stats_history'][s] = rates
else:
daemon['non_optimized_paths'] += 1
image['non_optimized_paths'].append(hostname)
# clear up races w/ tcmu-runner clients that haven't detected
# loss of optimized path
for image in images.values():
optimized_daemon = image.get('optimized_daemon', None)
if optimized_daemon:
for daemon_name in image['optimized_paths']:
if daemon_name != optimized_daemon:
daemon = daemons[daemon_name]
daemon['optimized_paths'] -= 1
daemon['non_optimized_paths'] += 1
image['non_optimized_paths'].append(daemon_name)
image['optimized_paths'] = [optimized_daemon]
return {
'daemons': sorted(daemons.values(),
key=lambda d: d['server_hostname']),
'images': sorted(images.values(), key=lambda i: ['id']),
}
