1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
# -*- coding: utf-8 -*-
from __future__ import absolute_import
import time
import cherrypy
from . import ApiController, RESTController, Endpoint, ReadPermission, Task
from .. import mgr
from ..security import Scope
from ..services.ceph_service import CephService
from ..services.rbd import RbdConfiguration
from ..services.exception import handle_send_command_error
from ..tools import str_to_bool, TaskManager
def pool_task(name, metadata, wait_for=2.0):
return Task("pool/{}".format(name), metadata, wait_for)
@ApiController('/pool', Scope.POOL)
class Pool(RESTController):
@staticmethod
def _serialize_pool(pool, attrs):
if not attrs or not isinstance(attrs, list):
attrs = pool.keys()
crush_rules = {r['rule_id']: r["rule_name"] for r in mgr.get('osd_map_crush')['rules']}
res = {}
for attr in attrs:
if attr not in pool:
continue
if attr == 'type':
res[attr] = {1: 'replicated', 3: 'erasure'}[pool[attr]]
elif attr == 'crush_rule':
res[attr] = crush_rules[pool[attr]]
elif attr == 'application_metadata':
res[attr] = list(pool[attr].keys())
else:
res[attr] = pool[attr]
# pool_name is mandatory
res['pool_name'] = pool['pool_name']
return res
@classmethod
def _pool_list(cls, attrs=None, stats=False):
if attrs:
attrs = attrs.split(',')
if str_to_bool(stats):
pools = CephService.get_pool_list_with_stats()
else:
pools = CephService.get_pool_list()
return [cls._serialize_pool(pool, attrs) for pool in pools]
def list(self, attrs=None, stats=False):
return self._pool_list(attrs, stats)
@classmethod
def _get(cls, pool_name, attrs=None, stats=False):
# type: (str, str, bool) -> dict
pools = cls._pool_list(attrs, stats)
pool = [pool for pool in pools if pool['pool_name'] == pool_name]
if not pool:
raise cherrypy.NotFound('No such pool')
return pool[0]
def get(self, pool_name, attrs=None, stats=False):
# type: (str, str, bool) -> dict
pool = self._get(pool_name, attrs, stats)
pool['configuration'] = RbdConfiguration(pool_name).list()
return pool
@pool_task('delete', ['{pool_name}'])
@handle_send_command_error('pool')
def delete(self, pool_name):
return CephService.send_command('mon', 'osd pool delete', pool=pool_name, pool2=pool_name,
yes_i_really_really_mean_it=True)
@pool_task('edit', ['{pool_name}'])
def set(self, pool_name, flags=None, application_metadata=None, configuration=None, **kwargs):
self._set_pool_values(pool_name, application_metadata, flags, True, kwargs)
if kwargs.get('pool'):
pool_name = kwargs['pool']
RbdConfiguration(pool_name).set_configuration(configuration)
self._wait_for_pgs(pool_name)
@pool_task('create', {'pool_name': '{pool}'})
@handle_send_command_error('pool')
def create(self, pool, pg_num, pool_type, erasure_code_profile=None, flags=None,
application_metadata=None, rule_name=None, configuration=None, **kwargs):
ecp = erasure_code_profile if erasure_code_profile else None
CephService.send_command('mon', 'osd pool create', pool=pool, pg_num=int(pg_num),
pgp_num=int(pg_num), pool_type=pool_type, erasure_code_profile=ecp,
rule=rule_name)
self._set_pool_values(pool, application_metadata, flags, False, kwargs)
RbdConfiguration(pool).set_configuration(configuration)
self._wait_for_pgs(pool)
def _set_pool_values(self, pool, application_metadata, flags, update_existing, kwargs):
update_name = False
current_pool = self._get(pool)
if update_existing and kwargs.get('compression_mode') == 'unset':
self._prepare_compression_removal(current_pool.get('options'), kwargs)
if flags and 'ec_overwrites' in flags:
CephService.send_command('mon', 'osd pool set', pool=pool, var='allow_ec_overwrites',
val='true')
if application_metadata is not None:
def set_app(what, app):
CephService.send_command('mon', 'osd pool application ' + what, pool=pool, app=app,
yes_i_really_mean_it=True)
if update_existing:
original_app_metadata = set(
current_pool.get('application_metadata'))
else:
original_app_metadata = set()
for app in original_app_metadata - set(application_metadata):
set_app('disable', app)
for app in set(application_metadata) - original_app_metadata:
set_app('enable', app)
def set_key(key, value):
CephService.send_command('mon', 'osd pool set', pool=pool, var=key, val=str(value))
for key, value in kwargs.items():
if key == 'pool':
update_name = True
destpool = value
else:
set_key(key, value)
if key == 'pg_num':
set_key('pgp_num', value)
if update_name:
CephService.send_command('mon', 'osd pool rename', srcpool=pool, destpool=destpool)
def _prepare_compression_removal(self, options, kwargs):
"""
Presets payload with values to remove compression attributes in case they are not
needed anymore.
In case compression is not needed the dashboard will send 'compression_mode' with the
value 'unset'.
:param options: All set options for the current pool.
:param kwargs: Payload of the PUT / POST call
"""
if options is not None:
def reset_arg(arg, value):
if options.get(arg):
kwargs[arg] = value
for arg in ['compression_min_blob_size', 'compression_max_blob_size',
'compression_required_ratio']:
reset_arg(arg, '0')
reset_arg('compression_algorithm', 'unset')
@classmethod
def _wait_for_pgs(cls, pool_name):
"""
Keep the task waiting for until all pg changes are complete
:param pool_name: The name of the pool.
:type pool_name: string
"""
current_pool = cls._get(pool_name)
initial_pgs = int(current_pool['pg_placement_num']) + int(current_pool['pg_num'])
cls._pg_wait_loop(current_pool, initial_pgs)
@classmethod
def _pg_wait_loop(cls, pool, initial_pgs):
"""
Compares if all pg changes are completed, if not it will call itself
until all changes are completed.
:param pool: The dict that represents a pool.
:type pool: dict
:param initial_pgs: The pg and pg_num count before any change happened.
:type initial_pgs: int
"""
if 'pg_num_target' in pool:
target = int(pool['pg_num_target']) + int(pool['pg_placement_num_target'])
current = int(pool['pg_placement_num']) + int(pool['pg_num'])
if current != target:
max_diff = abs(target - initial_pgs)
diff = max_diff - abs(target - current)
percentage = int(round(diff / float(max_diff) * 100))
TaskManager.current_task().set_progress(percentage)
time.sleep(4)
cls._pg_wait_loop(cls._get(pool['pool_name']), initial_pgs)
@RESTController.Resource()
@ReadPermission
def configuration(self, pool_name):
return RbdConfiguration(pool_name).list()
@Endpoint()
@ReadPermission
def _info(self, pool_name=''):
# type: (str) -> dict
"""Used by the create-pool dialog"""
def rules(pool_type):
return [r
for r in mgr.get('osd_map_crush')['rules']
if r['type'] == pool_type]
def all_bluestore():
return all(o['osd_objectstore'] == 'bluestore'
for o in mgr.get('osd_metadata').values())
def get_config_option_enum(conf_name):
return [[v for v in o['enum_values'] if len(v) > 0]
for o in mgr.get('config_options')['options']
if o['name'] == conf_name][0]
mgr_config = mgr.get('config')
result = {
"pool_names": [p['pool_name'] for p in self._pool_list()],
"crush_rules_replicated": rules(1),
"crush_rules_erasure": rules(3),
"is_all_bluestore": all_bluestore(),
"osd_count": len(mgr.get('osd_map')['osds']),
"bluestore_compression_algorithm": mgr_config['bluestore_compression_algorithm'],
"compression_algorithms": get_config_option_enum('bluestore_compression_algorithm'),
"compression_modes": get_config_option_enum('bluestore_compression_mode'),
"pg_autoscale_default_mode": mgr_config['osd_pool_default_pg_autoscale_mode'],
"pg_autoscale_modes": get_config_option_enum('osd_pool_default_pg_autoscale_mode'),
}
if pool_name:
result['pool_options'] = RbdConfiguration(pool_name).list()
return result
|
