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
|
import os
import time
import unittest
import unit
class TestUnitProcman(unit.TestUnitControl):
def setUpClass():
u = unit.TestUnit()
u.check_modules('python')
u.check_version('0.5')
def count_processes(self):
n = 0
for f in os.listdir(self.testdir):
if f.startswith('proctest.'):
n += 1
return n
def app_code(self):
return """
import atexit
import os
fname = "%s.%%d" %% os.getpid()
def remove_file():
os.remove(fname)
atexit.register(remove_file)
open(fname, 'w')
def application(env, start_response):
start_response('200', [('Content-Length', '0')])
return []
""" % (self.testdir + '/proctest')
def test_python_prefork(self):
code, name = self.app_code(), 'py_app'
self.python_application(name, code)
self.conf({
"listeners": {
"*:7080": {
"application": "app"
}
},
"applications": {
"app": {
"type": "python",
"processes": 2,
"path": self.testdir + '/' + name,
"module": "wsgi"
}
}
})
self.assertEqual(self.count_processes(), 2, 'prefork 2')
self.get()
self.assertEqual(self.count_processes(), 2, 'prefork still 2')
self.conf('4', '/applications/app/processes')
time.sleep(0.2)
self.assertEqual(self.count_processes(), 4, 'prefork 4')
self.get()
self.assertEqual(self.count_processes(), 4, 'prefork still 4')
self.stop_all()
def test_python_ondemand(self):
code, name = self.app_code(), 'py_app'
self.python_application(name, code)
self.conf({
"listeners": {
"*:7080": {
"application": "app"
}
},
"applications": {
"app": {
"type": "python",
"processes": {
"spare": 0,
"max": 8,
"idle_timeout": 2
},
"path": self.testdir + '/' + name,
"module": "wsgi"
}
}
})
self.assertEqual(self.count_processes(), 0, 'on-demand 0')
self.get()
self.assertEqual(self.count_processes(), 1, 'on-demand 1')
self.get()
self.assertEqual(self.count_processes(), 1, 'on-demand still 1')
time.sleep(2.2)
self.assertEqual(self.count_processes(), 0, 'on-demand stop idle')
self.stop_all()
def test_python_scale_updown(self):
code, name = self.app_code(), 'py_app'
self.python_application(name, code)
self.conf({
"listeners": {
"*:7080": {
"application": "app"
}
},
"applications": {
"app": {
"type": "python",
"processes": {
"spare": 2,
"max": 8,
"idle_timeout": 2
},
"path": self.testdir + '/' + name,
"module": "wsgi"
}
}
})
self.assertEqual(self.count_processes(), 2, 'updown idle 2')
self.get()
time.sleep(0.2)
self.assertEqual(self.count_processes(), 3, 'updown idle 2, busy 1')
self.get()
time.sleep(0.2)
self.assertEqual(self.count_processes(), 3, 'updown still 3')
time.sleep(2.2)
self.assertEqual(self.count_processes(), 2, 'updown stop idle')
self.get()
time.sleep(0.2)
self.assertEqual(self.count_processes(), 3, 'updown idle 2, busy 1')
self.stop_all()
def test_python_reconfigure(self):
code, name = self.app_code(), 'py_app'
self.python_application(name, code)
self.conf({
"listeners": {
"*:7080": {
"application": "app"
}
},
"applications": {
"app": {
"type": "python",
"processes": {
"spare": 2,
"max": 6,
"idle_timeout": 2
},
"path": self.testdir + '/' + name,
"module": "wsgi"
}
}
})
self.assertEqual(self.count_processes(), 2, 'reconf idle 2')
self.get()
time.sleep(0.2)
self.assertEqual(self.count_processes(), 3, 'reconf idle 2, busy 1')
self.conf('6', '/applications/app/processes/spare')
time.sleep(0.2)
self.assertEqual(self.count_processes(), 6, 'reconf idle 6')
self.get()
time.sleep(0.2)
self.assertEqual(self.count_processes(), 6, 'reconf still 6')
self.stop_all()
def stop_all(self):
self.conf({
"listeners": {},
"applications": {}
})
time.sleep(0.2)
self.assertEqual(self.count_processes(), 0, 'stop all')
if __name__ == '__main__':
unittest.main()
|
