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
|
import re
import subprocess
import time
import pytest
from unit.applications.lang.python import TestApplicationPython
from unit.option import option
class TestPythonProcman(TestApplicationPython):
prerequisites = {'modules': {'python': 'any'}}
def setup_method(self):
self.app_name = "app-" + option.temp_dir.split('/')[-1]
self.app_proc = 'applications/' + self.app_name + '/processes'
self.load('empty', self.app_name)
def pids_for_process(self):
time.sleep(0.2)
output = subprocess.check_output(['ps', 'ax'])
pids = set()
for m in re.findall('.*' + self.app_name, output.decode()):
pids.add(re.search(r'^\s*(\d+)', m).group(1))
return pids
def conf_proc(self, conf, path=None):
if path is None:
path = self.app_proc
assert 'success' in self.conf(conf, path), 'configure processes'
@pytest.mark.skip('not yet')
def test_python_processes_idle_timeout_zero(self):
self.conf_proc({"spare": 0, "max": 2, "idle_timeout": 0})
self.get()
assert len(self.pids_for_process()) == 0, 'idle timeout 0'
def test_python_prefork(self):
self.conf_proc('2')
pids = self.pids_for_process()
assert len(pids) == 2, 'prefork 2'
self.get()
assert self.pids_for_process() == pids, 'prefork still 2'
self.conf_proc('4')
pids = self.pids_for_process()
assert len(pids) == 4, 'prefork 4'
self.get()
assert self.pids_for_process() == pids, 'prefork still 4'
self.stop_all()
@pytest.mark.skip('not yet')
def test_python_prefork_same_processes(self):
self.conf_proc('2')
pids = self.pids_for_process()
self.conf_proc('4')
pids_new = self.pids_for_process()
assert pids.issubset(pids_new), 'prefork same processes'
def test_python_ondemand(self):
self.conf_proc({"spare": 0, "max": 8, "idle_timeout": 1})
assert len(self.pids_for_process()) == 0, 'on-demand 0'
self.get()
pids = self.pids_for_process()
assert len(pids) == 1, 'on-demand 1'
self.get()
assert self.pids_for_process() == pids, 'on-demand still 1'
time.sleep(1)
assert len(self.pids_for_process()) == 0, 'on-demand stop idle'
self.stop_all()
def test_python_scale_updown(self):
self.conf_proc({"spare": 2, "max": 8, "idle_timeout": 1})
pids = self.pids_for_process()
assert len(pids) == 2, 'updown 2'
self.get()
pids_new = self.pids_for_process()
assert len(pids_new) == 3, 'updown 3'
assert pids.issubset(pids_new), 'updown 3 only 1 new'
self.get()
assert self.pids_for_process() == pids_new, 'updown still 3'
time.sleep(1)
pids = self.pids_for_process()
assert len(pids) == 2, 'updown stop idle'
self.get()
pids_new = self.pids_for_process()
assert len(pids_new) == 3, 'updown again 3'
assert pids.issubset(pids_new), 'updown again 3 only 1 new'
self.stop_all()
def test_python_reconfigure(self):
self.conf_proc({"spare": 2, "max": 6, "idle_timeout": 1})
pids = self.pids_for_process()
assert len(pids) == 2, 'reconf 2'
self.get()
pids_new = self.pids_for_process()
assert len(pids_new) == 3, 'reconf 3'
assert pids.issubset(pids_new), 'reconf 3 only 1 new'
self.conf_proc('6', self.app_proc + '/spare')
pids = self.pids_for_process()
assert len(pids) == 6, 'reconf 6'
self.get()
assert self.pids_for_process() == pids, 'reconf still 6'
self.stop_all()
def test_python_idle_timeout(self):
self.conf_proc({"spare": 0, "max": 6, "idle_timeout": 2})
self.get()
pids = self.pids_for_process()
assert len(pids) == 1, 'idle timeout 1'
time.sleep(1)
self.get()
time.sleep(1)
pids_new = self.pids_for_process()
assert len(pids_new) == 1, 'idle timeout still 1'
assert self.pids_for_process() == pids, 'idle timeout still 1 same pid'
time.sleep(1)
assert len(self.pids_for_process()) == 0, 'idle timed out'
def test_python_processes_connection_keepalive(self):
self.conf_proc({"spare": 0, "max": 6, "idle_timeout": 2})
(resp, sock) = self.get(
headers={'Host': 'localhost', 'Connection': 'keep-alive'},
start=True,
read_timeout=1,
)
assert len(self.pids_for_process()) == 1, 'keepalive connection 1'
time.sleep(2)
assert len(self.pids_for_process()) == 0, 'keepalive connection 0'
sock.close()
def test_python_processes_access(self):
self.conf_proc('1')
path = '/' + self.app_proc
assert 'error' in self.conf_get(path + '/max')
assert 'error' in self.conf_get(path + '/spare')
assert 'error' in self.conf_get(path + '/idle_timeout')
def test_python_processes_invalid(self):
assert 'error' in self.conf(
{"spare": -1}, self.app_proc
), 'negative spare'
assert 'error' in self.conf({"max": -1}, self.app_proc), 'negative max'
assert 'error' in self.conf(
{"idle_timeout": -1}, self.app_proc
), 'negative idle_timeout'
assert 'error' in self.conf(
{"spare": 2}, self.app_proc
), 'spare gt max default'
assert 'error' in self.conf(
{"spare": 2, "max": 1}, self.app_proc
), 'spare gt max'
assert 'error' in self.conf(
{"spare": 0, "max": 0}, self.app_proc
), 'max zero'
def stop_all(self):
assert 'success' in self.conf({"listeners": {}, "applications": {}})
assert len(self.pids_for_process()) == 0, 'stop all'
|
