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
|
import errno
import json
from typing import List
def prepare_updated_caps_list(existing_caps, mds_cap_str, osd_cap_str, authorize=True):
caps_list = [] # type: List[str]
for k, v in existing_caps['caps'].items():
if k == 'mds' or k == 'osd':
continue
elif k == 'mon':
if not authorize and v == 'allow r':
continue
caps_list.extend((k, v))
if mds_cap_str:
caps_list.extend(('mds', mds_cap_str))
if osd_cap_str:
caps_list.extend(('osd', osd_cap_str))
if authorize and 'mon' not in caps_list:
caps_list.extend(('mon', 'allow r'))
return caps_list
def allow_access(mgr, client_entity, want_mds_cap, want_osd_cap,
unwanted_mds_cap, unwanted_osd_cap, existing_caps):
if existing_caps is None:
ret, out, err = mgr.mon_command({
"prefix": "auth get-or-create",
"entity": client_entity,
"caps": ['mds', want_mds_cap, 'osd', want_osd_cap, 'mon', 'allow r'],
"format": "json"})
else:
cap = existing_caps[0]
def cap_update(
orig_mds_caps, orig_osd_caps, want_mds_cap,
want_osd_cap, unwanted_mds_cap, unwanted_osd_cap):
if not orig_mds_caps:
return want_mds_cap, want_osd_cap
mds_cap_tokens = [x.strip() for x in orig_mds_caps.split(",")]
osd_cap_tokens = [x.strip() for x in orig_osd_caps.split(",")]
if want_mds_cap in mds_cap_tokens:
return orig_mds_caps, orig_osd_caps
if unwanted_mds_cap in mds_cap_tokens:
mds_cap_tokens.remove(unwanted_mds_cap)
osd_cap_tokens.remove(unwanted_osd_cap)
mds_cap_tokens.append(want_mds_cap)
osd_cap_tokens.append(want_osd_cap)
return ",".join(mds_cap_tokens), ",".join(osd_cap_tokens)
orig_mds_caps = cap['caps'].get('mds', "")
orig_osd_caps = cap['caps'].get('osd', "")
mds_cap_str, osd_cap_str = cap_update(
orig_mds_caps, orig_osd_caps, want_mds_cap, want_osd_cap,
unwanted_mds_cap, unwanted_osd_cap)
caps_list = prepare_updated_caps_list(cap, mds_cap_str, osd_cap_str)
mgr.mon_command(
{
"prefix": "auth caps",
'entity': client_entity,
'caps': caps_list
})
ret, out, err = mgr.mon_command(
{
'prefix': 'auth get',
'entity': client_entity,
'format': 'json'
})
# Result expected like this:
# [
# {
# "entity": "client.foobar",
# "key": "AQBY0\/pViX\/wBBAAUpPs9swy7rey1qPhzmDVGQ==",
# "caps": {
# "mds": "allow *",
# "mon": "allow *"
# }
# }
# ]
caps = json.loads(out)
assert len(caps) == 1
assert caps[0]['entity'] == client_entity
return caps[0]['key']
def deny_access(mgr, client_entity, want_mds_caps, want_osd_caps):
ret, out, err = mgr.mon_command({
"prefix": "auth get",
"entity": client_entity,
"format": "json",
})
if ret == -errno.ENOENT:
# Already gone, great.
return
def cap_remove(orig_mds_caps, orig_osd_caps, want_mds_caps, want_osd_caps):
mds_cap_tokens = [x.strip() for x in orig_mds_caps.split(",")]
osd_cap_tokens = [x.strip() for x in orig_osd_caps.split(",")]
for want_mds_cap, want_osd_cap in zip(want_mds_caps, want_osd_caps):
if want_mds_cap in mds_cap_tokens:
mds_cap_tokens.remove(want_mds_cap)
osd_cap_tokens.remove(want_osd_cap)
break
return ",".join(mds_cap_tokens), ",".join(osd_cap_tokens)
cap = json.loads(out)[0]
orig_mds_caps = cap['caps'].get('mds', "")
orig_osd_caps = cap['caps'].get('osd', "")
mds_cap_str, osd_cap_str = cap_remove(orig_mds_caps, orig_osd_caps,
want_mds_caps, want_osd_caps)
caps_list = prepare_updated_caps_list(cap, mds_cap_str, osd_cap_str, authorize=False)
if not caps_list:
mgr.mon_command(
{
'prefix': 'auth rm',
'entity': client_entity
})
else:
mgr.mon_command(
{
"prefix": "auth caps",
'entity': client_entity,
'caps': caps_list
})
|
