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
|
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import time
from elasticsearch.transport import Transport, get_host_info
from elasticsearch.connection import Connection
from elasticsearch.exceptions import ConnectionError
from .test_cases import TestCase
class DummyConnection(Connection):
def __init__(self, **kwargs):
self.exception = kwargs.pop('exception', None)
self.status, self.data = kwargs.pop('status', 200), kwargs.pop('data', '{}')
self.headers = kwargs.pop('headers', {})
self.calls = []
super(DummyConnection, self).__init__(**kwargs)
def perform_request(self, *args, **kwargs):
self.calls.append((args, kwargs))
if self.exception:
raise self.exception
return self.status, self.headers, self.data
CLUSTER_NODES = '''{
"ok" : true,
"cluster_name" : "super_cluster",
"nodes" : {
"wE_6OGBNSjGksbONNncIbg" : {
"name" : "Nightwind",
"transport_address" : "inet[/127.0.0.1:9300]",
"hostname" : "wind",
"version" : "0.20.4",
"http_address" : "inet[/1.1.1.1:123]",
"thrift_address" : "/1.1.1.1:9500]"
}
}
}'''
class TestHostsInfoCallback(TestCase):
def test_master_only_nodes_are_ignored(self):
nodes = [
{'attributes': {'data': 'false', 'client': 'true'}},
{'attributes': {'data': 'false'}},
{'attributes': {'data': 'false', 'master': 'true'}},
{'attributes': {'data': 'false', 'master': 'false'}},
{'attributes': {}},
{}
]
chosen = [ i for i, node_info in enumerate(nodes) if get_host_info(node_info, i) is not None]
self.assertEquals([0, 3, 4, 5], chosen)
class TestTransport(TestCase):
def test_request_timeout_extracted_from_params_and_passed(self):
t = Transport([{}], connection_class=DummyConnection)
t.perform_request('GET', '/', params={'request_timeout': 42})
self.assertEquals(1, len(t.get_connection().calls))
self.assertEquals(('GET', '/', {}, None), t.get_connection().calls[0][0])
self.assertEquals({'timeout': 42, 'ignore': ()}, t.get_connection().calls[0][1])
def test_send_get_body_as_source(self):
t = Transport([{}], send_get_body_as='source', connection_class=DummyConnection)
t.perform_request('GET', '/', body={})
self.assertEquals(1, len(t.get_connection().calls))
self.assertEquals(('GET', '/', {'source': '{}'}, None), t.get_connection().calls[0][0])
def test_send_get_body_as_post(self):
t = Transport([{}], send_get_body_as='POST', connection_class=DummyConnection)
t.perform_request('GET', '/', body={})
self.assertEquals(1, len(t.get_connection().calls))
self.assertEquals(('POST', '/', None, b'{}'), t.get_connection().calls[0][0])
def test_body_gets_encoded_into_bytes(self):
t = Transport([{}], connection_class=DummyConnection)
t.perform_request('GET', '/', body='你好')
self.assertEquals(1, len(t.get_connection().calls))
self.assertEquals(('GET', '/', None, b'\xe4\xbd\xa0\xe5\xa5\xbd'), t.get_connection().calls[0][0])
def test_kwargs_passed_on_to_connections(self):
t = Transport([{'host': 'google.com'}], port=123)
self.assertEquals(1, len(t.connection_pool.connections))
self.assertEquals('%s://google.com:123' % t.connection_pool.connections[0].transport_schema, t.connection_pool.connections[0].host)
def test_kwargs_passed_on_to_connection_pool(self):
dt = object()
t = Transport([{}], dead_timeout=dt)
self.assertIs(dt, t.connection_pool.dead_timeout)
def test_custom_connection_class(self):
class MyConnection(object):
def __init__(self, **kwargs):
self.kwargs = kwargs
t = Transport([{}], connection_class=MyConnection)
self.assertEquals(1, len(t.connection_pool.connections))
self.assertIsInstance(t.connection_pool.connections[0], MyConnection)
def test_add_connection(self):
t = Transport([{}], randomize_hosts=False)
t.add_connection({"host": "google.com", "port": 1234})
self.assertEquals(2, len(t.connection_pool.connections))
self.assertEquals('%s://google.com:1234' % t.connection_pool.connections[1].transport_schema, t.connection_pool.connections[1].host)
def test_request_will_fail_after_X_retries(self):
t = Transport([{'exception': ConnectionError('abandon ship')}], connection_class=DummyConnection)
self.assertRaises(ConnectionError, t.perform_request, 'GET', '/')
self.assertEquals(4, len(t.get_connection().calls))
def test_failed_connection_will_be_marked_as_dead(self):
t = Transport([{'exception': ConnectionError('abandon ship')}], connection_class=DummyConnection)
self.assertRaises(ConnectionError, t.perform_request, 'GET', '/')
self.assertEquals(0, len(t.connection_pool.connections))
def test_resurrected_connection_will_be_marked_as_live_on_success(self):
t = Transport([{}], connection_class=DummyConnection)
con = t.connection_pool.get_connection()
t.connection_pool.mark_dead(con)
t.perform_request('GET', '/')
self.assertEquals(1, len(t.connection_pool.connections))
self.assertEquals(0, len(t.connection_pool.dead_count))
def test_sniff_will_use_seed_connections(self):
t = Transport([{'data': CLUSTER_NODES}], connection_class=DummyConnection)
t.set_connections([{'data': 'invalid'}])
t.sniff_hosts()
self.assertEquals(1, len(t.connection_pool.connections))
self.assertEquals('http://1.1.1.1:123', t.get_connection().host)
def test_sniff_on_start_fetches_and_uses_nodes_list_for_its_schema(self):
class DummyThriftConnection(DummyConnection):
transport_schema = 'thrift'
t = Transport([{'data': CLUSTER_NODES}], connection_class=DummyThriftConnection, sniff_on_start=True)
self.assertEquals(1, len(t.connection_pool.connections))
self.assertEquals('thrift://1.1.1.1:9500', t.get_connection().host)
def test_sniff_on_start_fetches_and_uses_nodes_list(self):
t = Transport([{'data': CLUSTER_NODES}], connection_class=DummyConnection, sniff_on_start=True)
self.assertEquals(1, len(t.connection_pool.connections))
self.assertEquals('http://1.1.1.1:123', t.get_connection().host)
def test_sniff_reuses_connection_instances_if_possible(self):
t = Transport([{'data': CLUSTER_NODES}, {"host": "1.1.1.1", "port": 123}], connection_class=DummyConnection, randomize_hosts=False)
connection = t.connection_pool.connections[1]
t.sniff_hosts()
self.assertEquals(1, len(t.connection_pool.connections))
self.assertIs(connection, t.get_connection())
def test_sniff_on_fail_triggers_sniffing_on_fail(self):
t = Transport([{'exception': ConnectionError('abandon ship')}, {"data": CLUSTER_NODES}],
connection_class=DummyConnection, sniff_on_connection_fail=True, max_retries=0, randomize_hosts=False)
self.assertRaises(ConnectionError, t.perform_request, 'GET', '/')
self.assertEquals(1, len(t.connection_pool.connections))
self.assertEquals('http://1.1.1.1:123', t.get_connection().host)
def test_sniff_after_n_seconds(self):
t = Transport([{"data": CLUSTER_NODES}],
connection_class=DummyConnection, sniffer_timeout=5)
for _ in range(4):
t.perform_request('GET', '/')
self.assertEquals(1, len(t.connection_pool.connections))
self.assertIsInstance(t.get_connection(), DummyConnection)
t.last_sniff = time.time() - 5.1
t.perform_request('GET', '/')
self.assertEquals(1, len(t.connection_pool.connections))
self.assertEquals('http://1.1.1.1:123', t.get_connection().host)
self.assertTrue(time.time() - 1 < t.last_sniff < time.time() + 0.01 )
|
