]>
git.proxmox.com Git - ceph.git/blob - ceph/src/pybind/mgr/dashboard/services/tcmu_service.py
aceeaff3de042097a8f7fc10d6c477bcaf578ea9
1 from mgr_util
import get_most_recent_rate
3 from dashboard
.services
.ceph_service
import CephService
8 from typing
import Dict
10 pass # Just for type checking
13 SERVICE_TYPE
= 'tcmu-runner'
16 class TcmuService(object):
17 # pylint: disable=too-many-nested-blocks
18 # pylint: disable=too-many-branches
21 daemons
= {} # type: Dict[str, dict]
22 images
= {} # type: Dict[str, dict]
23 for service
in CephService
.get_service_list(SERVICE_TYPE
):
24 metadata
= service
['metadata']
27 status
= service
['status']
28 hostname
= service
['hostname']
30 daemon
= daemons
.get(hostname
, None)
33 'server_hostname': hostname
,
34 'version': metadata
['ceph_version'],
36 'non_optimized_paths': 0
38 daemons
[hostname
] = daemon
40 service_id
= service
['id']
41 device_id
= service_id
.split(':')[-1]
42 image
= images
.get(device_id
)
45 'device_id': device_id
,
46 'pool_name': metadata
['pool_name'],
47 'name': metadata
['image_name'],
48 'id': metadata
.get('image_id', None),
49 'optimized_paths': [],
50 'non_optimized_paths': []
52 images
[device_id
] = image
54 if status
.get('lock_owner', 'false') == 'true':
55 daemon
['optimized_paths'] += 1
56 image
['optimized_paths'].append(hostname
)
58 perf_key_prefix
= "librbd-{id}-{pool}-{name}.".format(
59 id=metadata
.get('image_id', ''),
60 pool
=metadata
['pool_name'],
61 name
=metadata
['image_name'])
62 perf_key
= "{}lock_acquired_time".format(perf_key_prefix
)
63 perf_value
= mgr
.get_counter('tcmu-runner',
67 lock_acquired_time
= perf_value
[-1][1] / 1000000000
69 lock_acquired_time
= 0
70 if lock_acquired_time
> image
.get('optimized_since', 0):
71 image
['optimized_daemon'] = hostname
72 image
['optimized_since'] = lock_acquired_time
74 image
['stats_history'] = {}
75 for s
in ['rd', 'wr', 'rd_bytes', 'wr_bytes']:
76 perf_key
= "{}{}".format(perf_key_prefix
, s
)
77 rates
= CephService
.get_rates('tcmu-runner', service_id
, perf_key
)
78 image
['stats'][s
] = get_most_recent_rate(rates
)
79 image
['stats_history'][s
] = rates
81 daemon
['non_optimized_paths'] += 1
82 image
['non_optimized_paths'].append(hostname
)
84 # clear up races w/ tcmu-runner clients that haven't detected
85 # loss of optimized path
86 for image
in images
.values():
87 optimized_daemon
= image
.get('optimized_daemon', None)
89 for daemon_name
in image
['optimized_paths']:
90 if daemon_name
!= optimized_daemon
:
91 daemon
= daemons
[daemon_name
]
92 daemon
['optimized_paths'] -= 1
93 daemon
['non_optimized_paths'] += 1
94 image
['non_optimized_paths'].append(daemon_name
)
95 image
['optimized_paths'] = [optimized_daemon
]
98 'daemons': sorted(daemons
.values(),
99 key
=lambda d
: d
['server_hostname']),
100 'images': sorted(images
.values(), key
=lambda i
: ['id']),
104 def get_image_info(pool_name
, image_name
, get_iscsi_info
):
105 for image
in get_iscsi_info
['images']:
106 if image
['pool_name'] == pool_name
and image
['name'] == image_name
: