-
Notifications
You must be signed in to change notification settings - Fork 37
/
main.py
193 lines (165 loc) · 4.69 KB
/
main.py
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
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import logging
import os
import sys
from argparse import ArgumentParser
from .worker import ManagerWorker, SimpleManagerWorker
from . import __version__
logger = logging.getLogger("pyqs")
SIMPLE_WORKER_DEFAULT_BATCH_SIZE = 1
DEFAULT_BATCH_SIZE = 10
def _set_batchsize(args):
batchsize = args.batchsize
if batchsize:
return batchsize
simple_worker = args.simple_worker
if simple_worker:
# Default batchsize for SimpleProcessWorker
return SIMPLE_WORKER_DEFAULT_BATCH_SIZE
# Default batchsize for ProcessWorker
return DEFAULT_BATCH_SIZE
def main():
parser = ArgumentParser(description="""
Run PyQS workers for the given queues
""")
parser.add_argument(
"-c",
"--concurrency",
type=int,
dest="concurrency",
default=1,
help='Worker concurrency',
action="store",
)
parser.add_argument(
"queues",
metavar="QUEUE_NAME",
nargs="+",
type=str,
help='Queues to process',
action="store",
)
parser.add_argument(
"--loglevel",
"--log_level",
"--log-level",
dest="logging_level",
type=str,
default="WARN",
help=(
'Set logging level. '
'This must be one of the python default logging levels'
),
action="store",
)
parser.add_argument(
"--access-key-id",
dest="access_key_id",
type=str,
default=None,
help='AWS_ACCESS_KEY_ID used by Boto',
action="store",
)
parser.add_argument(
"--secret-access-key",
dest="secret_access_key",
type=str,
default=None,
help='AWS_SECRET_ACCESS_KEY used by Boto',
action="store",
)
parser.add_argument(
"--region",
dest="region",
type=str,
default=None,
help='AWS Region to connect to SQS',
action="store",
)
parser.add_argument(
"--endpoint-url",
dest="endpoint_url",
type=str,
default=None,
help="AWS SQS endpoint url",
action="store",
)
parser.add_argument(
"--interval",
dest="interval",
type=float,
default=0.0,
help='Time waited by a worker after processesing a message.',
action="store",
)
parser.add_argument(
"--batchsize",
dest="batchsize",
type=int,
default=None,
help='How many messages to download at a time from SQS.',
action="store",
)
parser.add_argument(
"--prefetch-multiplier",
dest="prefetch_multiplier",
type=int,
default=2,
help=(
'Multiplier on the size of the internal queue '
'for prefetching SQS messages.'
),
action="store",
)
parser.add_argument(
'--simple-worker',
dest='simple_worker',
default=False,
action='store_true'
)
args = parser.parse_args()
_main(
queue_prefixes=args.queues,
concurrency=args.concurrency,
logging_level=args.logging_level,
region=args.region,
access_key_id=args.access_key_id,
secret_access_key=args.secret_access_key,
interval=args.interval,
batchsize=_set_batchsize(args),
prefetch_multiplier=args.prefetch_multiplier,
simple_worker=args.simple_worker,
endpoint_url=args.endpoint_url,
)
def _add_cwd_to_path():
cwd = os.getcwd()
if cwd not in sys.path:
sys.path.insert(0, cwd)
def _main(queue_prefixes, concurrency=5, logging_level="WARN",
region=None, access_key_id=None, secret_access_key=None,
interval=1, batchsize=DEFAULT_BATCH_SIZE, prefetch_multiplier=2,
simple_worker=False, endpoint_url=None):
logging.basicConfig(
format="[%(levelname)s]: %(message)s",
level=getattr(logging, logging_level),
)
logger.info("Starting PyQS version {}".format(__version__))
if simple_worker:
manager = SimpleManagerWorker(
queue_prefixes, concurrency, interval, batchsize,
region=region, access_key_id=access_key_id,
secret_access_key=secret_access_key,
endpoint_url=endpoint_url,
)
else:
manager = ManagerWorker(
queue_prefixes, concurrency, interval, batchsize,
prefetch_multiplier=prefetch_multiplier, region=region,
access_key_id=access_key_id, secret_access_key=secret_access_key,
endpoint_url=endpoint_url,
)
_add_cwd_to_path()
manager.start()
manager.sleep()