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
|
#!/usr/bin/env python3
import functools
import random
from multiprocessing.pool import ThreadPool as Pool
import requests
from pyinfluxtools import *
from influxdb import InfluxDBClient
settings = {
'host': 'localhost',
'port': 8086,
'username': 'root',
'password': 'root',
'database': 'test',
}
write_url = ("http://{host}:{port}/write?db={database}" +
"&username={username}&password={password}"
).format(**settings)
client = InfluxDBClient(settings['host'], settings['port'],
settings['username'], settings['password'],
settings['database'])
class Generator:
all = lambda x: bytes(chr(random.randint(0x00, 0xff)), 'latin-1')
_printables = list(map(chr, list(range(0x20, 0x7E))))
printable = lambda x: random.choice(Generator._printables)
numericText = lambda x: chr(random.randint(ord("0"), ord("9")))
text = lambda x: chr(random.choice(
list(range(ord("a"), ord("z"))) +
list(range(ord("A"), ord("Z")))))
class Filter:
regex = lambda regex: re.compile(regex).match
pass_all = lambda _: True
def generate(length_min, length_max, filter, generator):
length = random.randint(length_min, length_max)
while True:
text = functools.reduce(
lambda a, b: a + b, map(generator, range(length)))
if filter(text):
return text
def run(*a):
while True:
test()
def test():
# influxdb doesn't allow measurements starting with {
noBrace = Filter.regex("^[^\\{]")
noHash = Filter.regex("^[^#]") # hash sign starts a comment
# TODO: only allow valid escape sequences
noEscape = Filter.regex("^[^\\\\]+$")
def generateKey(min=3,max=6):
return generate(min, max, lambda text:
noBrace(text) and noHash(text) and noEscape(text),
Generator.printable)
def generateTags(min, max):
def generateTagPairs():
for i in range(random.randint(min, max)):
yield (generateKey(), generateKey())
return dict(tuple(generateTagPairs()))
def generateFields(min, max):
def generateFieldPairs():
for i in range(random.randint(min,max)):
yield (generateKey(), generate(3, 6, lambda _: True, Generator.printable))
return dict(tuple(generateFieldPairs()))
w = Write(generateKey(8,12), # key
generateTags(1, 4), # tags
generateFields(1, 4)) # fields
line = str(w)
print(line)
try:
r = requests.post(write_url, line)
INFO = ("Data:\nline={}\nwrite={}\nr.status_code={}\n" +
"r.content={}").format(line, repr(w), r.status_code, r.text)
assert r.status_code == 204, INFO
except Exception as e:
print(e)
assert False, "Data\nline={}\nwrite={}".format(str(w), repr(w))
measurement = Write.escape_value(w.key)
query = """\
SELECT *
FROM {measurement}
WHERE time >= now() - 2s""".format(**locals())
result = []
try:
result = list(client.query(query))
except Exception as e:
print(e)
wrepr=repr(w)
DEBUGINFO = ("DEBUG:\nquery={query}\nwrite={wrepr}\n" +
"result={result}\nline={line}").format(**locals())
assert len(result) == 1, DEBUGINFO
assert len(result[0][0]) == len(w.tags) + len(w.fields) + 1, DEBUGINFO # + time
# assert fields
for (key, value) in w.fields:
assert key in result[0][0], DEBUGINFO
assert result[0][0][key] == value, DEBUGINFO + \
"\n"+ key +"=" + result[0][0][key] + "=" + value
# assert tags
for (tagKey, tagValue) in w.tags:
assert tagKey in result[0][0], DEBUGINFO
assert result[0][0][tagKey] == tagValue, DEBUGINFO
N_PROC = 4
with Pool(processes=N_PROC) as pool:
try:
for res in pool.imap_unordered(run, [None] * N_PROC):
pool.terminate()
print("Exit")
raise SystemExit(0)
except Exception as e:
pool.terminate()
raise e
|
