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# -*- coding: utf-8 -*-
from __future__ import absolute_import
import json
from . import ApiController, Endpoint, BaseController
from .. import mgr
from ..security import Permission, Scope
from ..services.ceph_service import CephService
from ..services.iscsi_cli import IscsiGatewaysConfig
class HealthData(object):
"""
A class to be used in combination with BaseController to allow either
"full" or "minimal" sets of health data to be collected.
To function properly, it needs BaseCollector._has_permissions to be passed
in as ``auth_callback``.
"""
def __init__(self, auth_callback, minimal=True):
self._has_permissions = auth_callback
self._minimal = minimal
@staticmethod
def _partial_dict(orig, keys):
return {k: orig[k] for k in keys}
def all_health(self):
result = {
"health": self.basic_health(),
}
if self._has_permissions(Permission.READ, Scope.MONITOR):
result['mon_status'] = self.mon_status()
if self._has_permissions(Permission.READ, Scope.CEPHFS):
result['fs_map'] = self.fs_map()
if self._has_permissions(Permission.READ, Scope.OSD):
result['osd_map'] = self.osd_map()
result['scrub_status'] = self.scrub_status()
result['pg_info'] = self.pg_info()
if self._has_permissions(Permission.READ, Scope.MANAGER):
result['mgr_map'] = self.mgr_map()
if self._has_permissions(Permission.READ, Scope.POOL):
result['pools'] = self.pools()
result['df'] = self.df()
result['client_perf'] = self.client_perf()
if self._has_permissions(Permission.READ, Scope.HOSTS):
result['hosts'] = self.host_count()
if self._has_permissions(Permission.READ, Scope.RGW):
result['rgw'] = self.rgw_count()
if self._has_permissions(Permission.READ, Scope.ISCSI):
result['iscsi_daemons'] = self.iscsi_daemons()
return result
def basic_health(self):
health_data = mgr.get("health")
health = json.loads(health_data['json'])
# Transform the `checks` dict into a list for the convenience
# of rendering from javascript.
checks = []
for k, v in health['checks'].items():
v['type'] = k
checks.append(v)
checks = sorted(checks, key=lambda c: c['severity'])
health['checks'] = checks
return health
def client_perf(self):
result = CephService.get_client_perf()
if self._minimal:
result = self._partial_dict(
result,
['read_bytes_sec', 'read_op_per_sec',
'recovering_bytes_per_sec', 'write_bytes_sec',
'write_op_per_sec']
)
return result
def df(self):
df = mgr.get('df')
del df['stats_by_class']
if self._minimal:
df = dict(stats=self._partial_dict(
df['stats'],
['total_avail_bytes', 'total_bytes',
'total_used_raw_bytes']
))
return df
def fs_map(self):
fs_map = mgr.get('fs_map')
if self._minimal:
fs_map = self._partial_dict(fs_map, ['filesystems', 'standbys'])
fs_map['filesystems'] = [self._partial_dict(item, ['mdsmap']) for
item in fs_map['filesystems']]
for fs in fs_map['filesystems']:
mdsmap_info = fs['mdsmap']['info']
min_mdsmap_info = dict()
for k, v in mdsmap_info.items():
min_mdsmap_info[k] = self._partial_dict(v, ['state'])
return fs_map
def host_count(self):
return len(mgr.list_servers())
def iscsi_daemons(self):
gateways = IscsiGatewaysConfig.get_gateways_config()['gateways']
return len(gateways) if gateways else 0
def mgr_map(self):
mgr_map = mgr.get('mgr_map')
if self._minimal:
mgr_map = self._partial_dict(mgr_map, ['active_name', 'standbys'])
return mgr_map
def mon_status(self):
mon_status = json.loads(mgr.get('mon_status')['json'])
if self._minimal:
mon_status = self._partial_dict(mon_status, ['monmap', 'quorum'])
mon_status['monmap'] = self._partial_dict(
mon_status['monmap'], ['mons']
)
mon_status['monmap']['mons'] = [{}] * \
len(mon_status['monmap']['mons'])
return mon_status
def osd_map(self):
osd_map = mgr.get('osd_map')
assert osd_map is not None
# Not needed, skip the effort of transmitting this to UI
del osd_map['pg_temp']
if self._minimal:
osd_map = self._partial_dict(osd_map, ['osds'])
osd_map['osds'] = [
self._partial_dict(item, ['in', 'up'])
for item in osd_map['osds']
]
else:
osd_map['tree'] = mgr.get('osd_map_tree')
osd_map['crush'] = mgr.get('osd_map_crush')
osd_map['crush_map_text'] = mgr.get('osd_map_crush_map_text')
osd_map['osd_metadata'] = mgr.get('osd_metadata')
return osd_map
def pg_info(self):
return CephService.get_pg_info()
def pools(self):
pools = CephService.get_pool_list_with_stats()
if self._minimal:
pools = [{}] * len(pools)
return pools
def rgw_count(self):
return len(CephService.get_service_list('rgw'))
def scrub_status(self):
return CephService.get_scrub_status()
@ApiController('/health')
class Health(BaseController):
def __init__(self):
super(Health, self).__init__()
self.health_full = HealthData(self._has_permissions, minimal=False)
self.health_minimal = HealthData(self._has_permissions, minimal=True)
@Endpoint()
def full(self):
return self.health_full.all_health()
@Endpoint()
def minimal(self):
return self.health_minimal.all_health()
|
