|
1
|
|
|
"""MaintenanceController.""" |
|
2
|
|
|
|
|
3
|
|
|
# pylint: disable=invalid-name |
|
4
|
|
|
from datetime import datetime |
|
5
|
|
|
import os |
|
6
|
|
|
import pytz |
|
7
|
|
|
from typing import Optional |
|
8
|
|
|
|
|
9
|
|
|
from bson.codec_options import CodecOptions |
|
10
|
|
|
import pymongo |
|
11
|
|
|
from pymongo.errors import AutoReconnect |
|
12
|
|
|
from tenacity import retry_if_exception_type, stop_after_attempt, wait_random |
|
13
|
|
|
|
|
14
|
|
|
from kytos.core import log |
|
15
|
|
|
from kytos.core.db import Mongo |
|
16
|
|
|
from kytos.core.retry import before_sleep, for_all_methods, retries |
|
17
|
|
|
from napps.kytos.maintenance.models import ( |
|
18
|
|
|
MaintenanceWindow, |
|
19
|
|
|
MaintenanceWindows, |
|
20
|
|
|
MaintenanceID, |
|
21
|
|
|
Status, |
|
22
|
|
|
) |
|
23
|
|
|
|
|
24
|
|
|
|
|
25
|
|
|
@for_all_methods( |
|
26
|
|
|
retries, |
|
27
|
|
|
stop=stop_after_attempt( |
|
28
|
|
|
int(os.environ.get("MONGO_AUTO_RETRY_STOP_AFTER_ATTEMPT", 3)) |
|
29
|
|
|
), |
|
30
|
|
|
wait=wait_random( |
|
31
|
|
|
min=int(os.environ.get("MONGO_AUTO_RETRY_WAIT_RANDOM_MIN", 0.1)), |
|
32
|
|
|
max=int(os.environ.get("MONGO_AUTO_RETRY_WAIT_RANDOM_MAX", 1)), |
|
33
|
|
|
), |
|
34
|
|
|
before_sleep=before_sleep, |
|
35
|
|
|
retry=retry_if_exception_type((AutoReconnect,)), |
|
36
|
|
|
) |
|
37
|
|
|
class MaintenanceController: |
|
38
|
|
|
"""MaintenanceController.""" |
|
39
|
|
|
|
|
40
|
|
|
def __init__(self, get_mongo=lambda: Mongo()) -> None: |
|
|
|
|
|
|
41
|
|
|
"""Constructor of MaintenanceController.""" |
|
42
|
|
|
self.mongo = get_mongo() |
|
43
|
|
|
self.db_client = self.mongo.client |
|
44
|
|
|
self.db = self.db_client[self.mongo.db_name] |
|
45
|
|
|
self.windows = self.db['maintenance.windows'].with_options( |
|
46
|
|
|
codec_options=CodecOptions( |
|
47
|
|
|
tz_aware=True, |
|
48
|
|
|
) |
|
49
|
|
|
) |
|
50
|
|
|
|
|
51
|
|
|
def bootstrap_indexes(self) -> None: |
|
52
|
|
|
"""Bootstrap all maintenance related indexes.""" |
|
53
|
|
|
unique_index_tuples = [ |
|
54
|
|
|
("maintenance.windows", [("id", pymongo.ASCENDING)]), |
|
55
|
|
|
] |
|
56
|
|
|
for collection, keys in unique_index_tuples: |
|
57
|
|
|
if self.mongo.bootstrap_index(collection, keys, unique=True): |
|
58
|
|
|
log.info( |
|
59
|
|
|
f"Created DB unique index {keys}, collection: {collection})" |
|
60
|
|
|
) |
|
61
|
|
|
|
|
62
|
|
|
def insert_window(self, window: MaintenanceWindow): |
|
63
|
|
|
now = datetime.now(pytz.utc) |
|
64
|
|
|
self.windows.insert_one({ |
|
65
|
|
|
**window.dict(exclude={'inserted_at', 'updated_at'}), |
|
66
|
|
|
'inserted_at': now, |
|
67
|
|
|
'updated_at': now, |
|
68
|
|
|
}) |
|
69
|
|
|
|
|
70
|
|
|
|
|
71
|
|
|
def update_window(self, window: MaintenanceWindow): |
|
72
|
|
|
self.windows.update_one( |
|
73
|
|
|
{'id': window.id}, |
|
74
|
|
|
[{ |
|
75
|
|
|
'$set': { |
|
76
|
|
|
**window.dict(exclude={'inserted_at', 'updated_at'}), |
|
77
|
|
|
'updated_at': '$$NOW', |
|
78
|
|
|
}, |
|
79
|
|
|
}], |
|
80
|
|
|
) |
|
81
|
|
|
|
|
82
|
|
|
def get_window(self, mw_id: MaintenanceID) -> Optional[MaintenanceWindow]: |
|
83
|
|
|
window = self.windows.find_one( |
|
84
|
|
|
{'id': mw_id}, |
|
85
|
|
|
{'_id': False}, |
|
86
|
|
|
) |
|
87
|
|
|
if window is None: |
|
88
|
|
|
return None |
|
89
|
|
|
else: |
|
90
|
|
|
return MaintenanceWindow.construct(**window) |
|
91
|
|
|
|
|
92
|
|
|
def start_window(self, mw_id: MaintenanceID) -> MaintenanceWindow: |
|
93
|
|
|
window = self.windows.find_one_and_update( |
|
94
|
|
|
{'id': mw_id}, |
|
95
|
|
|
[{ |
|
96
|
|
|
'$set': { |
|
97
|
|
|
'status': Status.RUNNING, |
|
98
|
|
|
'last_modified': '$$NOW', |
|
99
|
|
|
}, |
|
100
|
|
|
}], |
|
101
|
|
|
{'_id': False}, |
|
102
|
|
|
return_document=pymongo.ReturnDocument.AFTER, |
|
103
|
|
|
) |
|
104
|
|
|
return MaintenanceWindow.construct(**window) |
|
105
|
|
|
|
|
106
|
|
|
def end_window(self, mw_id: MaintenanceID) -> MaintenanceWindow: |
|
107
|
|
|
window = self.windows.find_one_and_update( |
|
108
|
|
|
{'id': mw_id}, |
|
109
|
|
|
[{ |
|
110
|
|
|
'$set': { |
|
111
|
|
|
'status': Status.FINISHED, |
|
112
|
|
|
'last_modified': '$$NOW', |
|
113
|
|
|
}, |
|
114
|
|
|
}], |
|
115
|
|
|
{'_id': False}, |
|
116
|
|
|
return_document=pymongo.ReturnDocument.AFTER, |
|
117
|
|
|
) |
|
118
|
|
|
return MaintenanceWindow.construct(**window) |
|
119
|
|
|
|
|
120
|
|
|
def check_overlap(self, window): |
|
121
|
|
|
# If two time periods are overlapping, |
|
122
|
|
|
# then the start of one time period must occur in the other time period |
|
123
|
|
|
windows = self.windows.find( |
|
124
|
|
|
{ |
|
125
|
|
|
'$or': [ |
|
126
|
|
|
{'$and': [ |
|
127
|
|
|
{'start': {'$lte': window.start}}, |
|
128
|
|
|
{'end': {'$gt': window.start}}, |
|
129
|
|
|
]}, |
|
130
|
|
|
{'$and': [ |
|
131
|
|
|
{'start': {'$gte': window.start}}, |
|
132
|
|
|
{'start': {'$lt': window.end}}, |
|
133
|
|
|
]} |
|
134
|
|
|
] |
|
135
|
|
|
}, |
|
136
|
|
|
{'_id': False} |
|
137
|
|
|
) |
|
138
|
|
|
return MaintenanceWindows.construct( |
|
139
|
|
|
__root__ = [MaintenanceWindow.construct(**window) for window in windows] |
|
140
|
|
|
) |
|
141
|
|
|
|
|
142
|
|
|
def get_windows(self) -> MaintenanceWindows: |
|
143
|
|
|
windows = self.windows.find(projection={'_id': False}) |
|
144
|
|
|
return MaintenanceWindows.construct( |
|
145
|
|
|
__root__ = [MaintenanceWindow.construct(**window) for window in windows] |
|
146
|
|
|
) |
|
147
|
|
|
|
|
148
|
|
|
def remove_window(self, mw_id: MaintenanceID): |
|
149
|
|
|
self.windows.delete_one({'id': mw_id}) |
|
150
|
|
|
|
|
151
|
|
|
def prepare_start(self): |
|
152
|
|
|
now = datetime.now(pytz.utc) |
|
153
|
|
|
self.windows.update_many( |
|
154
|
|
|
{'$and': [ |
|
155
|
|
|
{'status': {'$eq': Status.PENDING}}, |
|
156
|
|
|
{'start': {'$lte': now}}, |
|
157
|
|
|
]}, |
|
158
|
|
|
{ |
|
159
|
|
|
'$set': { |
|
160
|
|
|
'status': Status.RUNNING, |
|
161
|
|
|
'last_modified': now, |
|
162
|
|
|
}, |
|
163
|
|
|
} |
|
164
|
|
|
) |
|
165
|
|
|
self.windows.update_many( |
|
166
|
|
|
{'$and': [ |
|
167
|
|
|
{'status': {'$eq': Status.RUNNING}}, |
|
168
|
|
|
{'end': {'$lte': now}}, |
|
169
|
|
|
]}, |
|
170
|
|
|
{ |
|
171
|
|
|
'$set': { |
|
172
|
|
|
'status': Status.FINISHED, |
|
173
|
|
|
'last_modified': now, |
|
174
|
|
|
}, |
|
175
|
|
|
} |
|
176
|
|
|
) |
|
177
|
|
|
|
kytos-ng /
maintenance
Loading history...