478 lines
15 KiB
Python
478 lines
15 KiB
Python
import os
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import re
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from unit.applications.lang.python import TestApplicationPython
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from unit.option import option
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class TestUpstreamsRR(TestApplicationPython):
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prerequisites = {'modules': {'python': 'any'}}
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def setup_method(self):
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assert 'success' in self.conf(
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{
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"listeners": {
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"*:7080": {"pass": "upstreams/one"},
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"*:7090": {"pass": "upstreams/two"},
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"*:7081": {"pass": "routes/one"},
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"*:7082": {"pass": "routes/two"},
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"*:7083": {"pass": "routes/three"},
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},
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"upstreams": {
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"one": {
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"servers": {
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"127.0.0.1:7081": {},
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"127.0.0.1:7082": {},
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},
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},
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"two": {
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"servers": {
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"127.0.0.1:7081": {},
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"127.0.0.1:7082": {},
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},
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},
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},
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"routes": {
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"one": [{"action": {"return": 200}}],
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"two": [{"action": {"return": 201}}],
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"three": [{"action": {"return": 202}}],
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},
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"applications": {},
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},
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), 'upstreams initial configuration'
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self.cpu_count = os.cpu_count()
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def get_resps(self, req=100, port=7080):
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resps = [0]
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for _ in range(req):
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status = self.get(port=port)['status']
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if 200 > status or status > 209:
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continue
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ups = status % 10
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if ups > len(resps) - 1:
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resps.extend([0] * (ups - len(resps) + 1))
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resps[ups] += 1
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return resps
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def get_resps_sc(self, req=100, port=7080):
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to_send = b"""GET / HTTP/1.1
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Host: localhost
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""" * (
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req - 1
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)
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to_send += b"""GET / HTTP/1.1
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Host: localhost
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Connection: close
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"""
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resp = self.http(to_send, raw_resp=True, raw=True, port=port)
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status = re.findall(r'HTTP\/\d\.\d\s(\d\d\d)', resp)
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status = list(filter(lambda x: x[:2] == '20', status))
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ups = list(map(lambda x: int(x[-1]), status))
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resps = [0] * (max(ups) + 1)
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for i in range(len(ups)):
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resps[ups[i]] += 1
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return resps
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def test_upstreams_rr_no_weight(self):
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resps = self.get_resps()
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assert sum(resps) == 100, 'no weight sum'
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assert abs(resps[0] - resps[1]) <= self.cpu_count, 'no weight'
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assert 'success' in self.conf_delete(
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'upstreams/one/servers/127.0.0.1:7081'
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), 'no weight server remove'
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resps = self.get_resps(req=50)
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assert resps[1] == 50, 'no weight 2'
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assert 'success' in self.conf(
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{}, 'upstreams/one/servers/127.0.0.1:7081'
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), 'no weight server revert'
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resps = self.get_resps()
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assert sum(resps) == 100, 'no weight 3 sum'
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assert abs(resps[0] - resps[1]) <= self.cpu_count, 'no weight 3'
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assert 'success' in self.conf(
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{}, 'upstreams/one/servers/127.0.0.1:7083'
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), 'no weight server new'
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resps = self.get_resps()
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assert sum(resps) == 100, 'no weight 4 sum'
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assert max(resps) - min(resps) <= self.cpu_count, 'no weight 4'
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resps = self.get_resps_sc(req=30)
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assert resps[0] == 10, 'no weight 4 0'
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assert resps[1] == 10, 'no weight 4 1'
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assert resps[2] == 10, 'no weight 4 2'
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def test_upstreams_rr_weight(self):
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assert 'success' in self.conf(
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{"weight": 3}, 'upstreams/one/servers/127.0.0.1:7081'
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), 'configure weight'
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resps = self.get_resps_sc()
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assert resps[0] == 75, 'weight 3 0'
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assert resps[1] == 25, 'weight 3 1'
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assert 'success' in self.conf_delete(
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'upstreams/one/servers/127.0.0.1:7081/weight'
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), 'configure weight remove'
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resps = self.get_resps_sc(req=10)
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assert resps[0] == 5, 'weight 0 0'
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assert resps[1] == 5, 'weight 0 1'
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assert 'success' in self.conf(
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'1', 'upstreams/one/servers/127.0.0.1:7081/weight'
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), 'configure weight 1'
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resps = self.get_resps_sc()
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assert resps[0] == 50, 'weight 1 0'
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assert resps[1] == 50, 'weight 1 1'
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assert 'success' in self.conf(
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{
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"127.0.0.1:7081": {"weight": 3},
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"127.0.0.1:7083": {"weight": 2},
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},
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'upstreams/one/servers',
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), 'configure weight 2'
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resps = self.get_resps_sc()
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assert resps[0] == 60, 'weight 2 0'
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assert resps[2] == 40, 'weight 2 1'
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def test_upstreams_rr_weight_rational(self):
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def set_weights(w1, w2):
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assert 'success' in self.conf(
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{
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"127.0.0.1:7081": {"weight": w1},
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"127.0.0.1:7082": {"weight": w2},
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},
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'upstreams/one/servers',
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), 'configure weights'
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def check_reqs(w1, w2, reqs=10):
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resps = self.get_resps_sc(req=reqs)
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assert resps[0] == reqs * w1 / (w1 + w2), 'weight 1'
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assert resps[1] == reqs * w2 / (w1 + w2), 'weight 2'
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def check_weights(w1, w2):
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set_weights(w1, w2)
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check_reqs(w1, w2)
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check_weights(0, 1)
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check_weights(0, 999999.0123456)
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check_weights(1, 9)
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check_weights(100000, 900000)
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check_weights(1, 0.25)
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check_weights(1, 0.25)
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check_weights(0.2, 0.8)
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check_weights(1, 1.5)
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check_weights(1e-3, 1e-3)
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check_weights(1e-20, 1e-20)
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check_weights(1e4, 1e4)
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check_weights(1000000, 1000000)
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set_weights(0.25, 0.25)
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assert 'success' in self.conf_delete(
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'upstreams/one/servers/127.0.0.1:7081/weight'
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), 'delete weight'
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check_reqs(1, 0.25)
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assert 'success' in self.conf(
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{
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"127.0.0.1:7081": {"weight": 0.1},
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"127.0.0.1:7082": {"weight": 1},
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"127.0.0.1:7083": {"weight": 0.9},
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},
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'upstreams/one/servers',
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), 'configure weights'
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resps = self.get_resps_sc(req=20)
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assert resps[0] == 1, 'weight 3 1'
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assert resps[1] == 10, 'weight 3 2'
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assert resps[2] == 9, 'weight 3 3'
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def test_upstreams_rr_independent(self):
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def sum_resps(*args):
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sum = [0] * len(args[0])
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for arg in args:
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sum = [x + y for x, y in zip(sum, arg)]
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return sum
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resps = self.get_resps_sc(req=30, port=7090)
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assert resps[0] == 15, 'dep two before 0'
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assert resps[1] == 15, 'dep two before 1'
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resps = self.get_resps_sc(req=30)
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assert resps[0] == 15, 'dep one before 0'
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assert resps[1] == 15, 'dep one before 1'
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assert 'success' in self.conf(
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'2', 'upstreams/two/servers/127.0.0.1:7081/weight'
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), 'configure dep weight'
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resps = self.get_resps_sc(req=30, port=7090)
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assert resps[0] == 20, 'dep two 0'
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assert resps[1] == 10, 'dep two 1'
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resps = self.get_resps_sc(req=30)
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assert resps[0] == 15, 'dep one 0'
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assert resps[1] == 15, 'dep one 1'
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assert 'success' in self.conf(
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'1', 'upstreams/two/servers/127.0.0.1:7081/weight'
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), 'configure dep weight 1'
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r_one, r_two = [0, 0], [0, 0]
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for _ in range(10):
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r_one = sum_resps(r_one, self.get_resps(req=10))
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r_two = sum_resps(r_two, self.get_resps(req=10, port=7090))
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assert sum(r_one) == 100, 'dep one mix sum'
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assert abs(r_one[0] - r_one[1]) <= self.cpu_count, 'dep one mix'
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assert sum(r_two) == 100, 'dep two mix sum'
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assert abs(r_two[0] - r_two[1]) <= self.cpu_count, 'dep two mix'
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def test_upstreams_rr_delay(self):
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assert 'success' in self.conf(
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{
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"listeners": {
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"*:7080": {"pass": "upstreams/one"},
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"*:7081": {"pass": "routes"},
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"*:7082": {"pass": "routes"},
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},
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"upstreams": {
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"one": {
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"servers": {
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"127.0.0.1:7081": {},
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"127.0.0.1:7082": {},
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},
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},
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},
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"routes": [
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{
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"match": {"destination": "*:7081"},
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"action": {"pass": "applications/delayed"},
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},
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{
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"match": {"destination": "*:7082"},
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"action": {"return": 201},
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},
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],
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"applications": {
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"delayed": {
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"type": self.get_application_type(),
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"processes": {"spare": 0},
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"path": option.test_dir + "/python/delayed",
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"working_directory": option.test_dir
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+ "/python/delayed",
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"module": "wsgi",
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}
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},
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},
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), 'upstreams initial configuration'
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req = 50
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socks = []
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for i in range(req):
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delay = 1 if i % 5 == 0 else 0
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_, sock = self.get(
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headers={
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'Host': 'localhost',
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'Content-Length': '0',
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'X-Delay': str(delay),
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'Connection': 'close',
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},
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start=True,
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no_recv=True,
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)
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socks.append(sock)
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resps = [0, 0]
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for i in range(req):
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resp = self.recvall(socks[i]).decode()
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socks[i].close()
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m = re.search(r'HTTP/1.1 20(\d)', resp)
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assert m is not None, 'status'
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resps[int(m.group(1))] += 1
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assert sum(resps) == req, 'delay sum'
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assert abs(resps[0] - resps[1]) <= self.cpu_count, 'delay'
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def test_upstreams_rr_active_req(self):
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conns = 5
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socks = []
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socks2 = []
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for _ in range(conns):
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_, sock = self.get(start=True, no_recv=True)
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socks.append(sock)
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_, sock2 = self.http(
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b"""POST / HTTP/1.1
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Host: localhost
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Content-Length: 10
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Connection: close
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""",
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start=True,
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no_recv=True,
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raw=True,
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)
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socks2.append(sock2)
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# Send one more request and read response to make sure that previous
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# requests had enough time to reach server.
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assert self.get()['body'] == ''
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assert 'success' in self.conf(
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{"127.0.0.1:7083": {"weight": 2}},
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'upstreams/one/servers',
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), 'active req new server'
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assert 'success' in self.conf_delete(
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'upstreams/one/servers/127.0.0.1:7083'
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), 'active req server remove'
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assert 'success' in self.conf_delete(
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'listeners/*:7080'
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), 'delete listener'
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assert 'success' in self.conf_delete(
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'upstreams/one'
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), 'active req upstream remove'
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for i in range(conns):
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assert (
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self.http(b'', sock=socks[i], raw=True)['body'] == ''
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), 'active req GET'
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assert (
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self.http(b"""0123456789""", sock=socks2[i], raw=True)['body']
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== ''
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), 'active req POST'
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def test_upstreams_rr_bad_server(self):
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assert 'success' in self.conf(
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{"weight": 1}, 'upstreams/one/servers/127.0.0.1:7084'
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), 'configure bad server'
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resps = self.get_resps_sc(req=30)
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assert resps[0] == 10, 'bad server 0'
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assert resps[1] == 10, 'bad server 1'
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assert sum(resps) == 20, 'bad server sum'
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def test_upstreams_rr_pipeline(self):
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resps = self.get_resps_sc()
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assert resps[0] == 50, 'pipeline 0'
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assert resps[1] == 50, 'pipeline 1'
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def test_upstreams_rr_post(self):
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resps = [0, 0]
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for _ in range(50):
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resps[self.get()['status'] % 10] += 1
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resps[self.post(body='0123456789')['status'] % 10] += 1
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assert sum(resps) == 100, 'post sum'
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assert abs(resps[0] - resps[1]) <= self.cpu_count, 'post'
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def test_upstreams_rr_unix(self, temp_dir):
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addr_0 = temp_dir + '/sock_0'
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addr_1 = temp_dir + '/sock_1'
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assert 'success' in self.conf(
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{
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"*:7080": {"pass": "upstreams/one"},
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"unix:" + addr_0: {"pass": "routes/one"},
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"unix:" + addr_1: {"pass": "routes/two"},
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},
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'listeners',
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), 'configure listeners unix'
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assert 'success' in self.conf(
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{"unix:" + addr_0: {}, "unix:" + addr_1: {}},
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'upstreams/one/servers',
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), 'configure servers unix'
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resps = self.get_resps_sc()
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assert resps[0] == 50, 'unix 0'
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assert resps[1] == 50, 'unix 1'
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def test_upstreams_rr_ipv6(self):
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assert 'success' in self.conf(
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{
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"*:7080": {"pass": "upstreams/one"},
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"[::1]:7081": {"pass": "routes/one"},
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"[::1]:7082": {"pass": "routes/two"},
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},
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'listeners',
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), 'configure listeners ipv6'
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assert 'success' in self.conf(
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{"[::1]:7081": {}, "[::1]:7082": {}}, 'upstreams/one/servers'
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), 'configure servers ipv6'
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resps = self.get_resps_sc()
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assert resps[0] == 50, 'ipv6 0'
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assert resps[1] == 50, 'ipv6 1'
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def test_upstreams_rr_servers_empty(self):
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assert 'success' in self.conf(
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{}, 'upstreams/one/servers'
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), 'configure servers empty'
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assert self.get()['status'] == 502, 'servers empty'
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assert 'success' in self.conf(
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{"127.0.0.1:7081": {"weight": 0}}, 'upstreams/one/servers'
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), 'configure servers empty one'
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assert self.get()['status'] == 502, 'servers empty one'
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assert 'success' in self.conf(
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{
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"127.0.0.1:7081": {"weight": 0},
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"127.0.0.1:7082": {"weight": 0},
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},
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'upstreams/one/servers',
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), 'configure servers empty two'
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assert self.get()['status'] == 502, 'servers empty two'
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def test_upstreams_rr_invalid(self):
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assert 'error' in self.conf({}, 'upstreams'), 'upstreams empty'
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assert 'error' in self.conf(
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{}, 'upstreams/one'
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), 'named upstreams empty'
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assert 'error' in self.conf(
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{}, 'upstreams/one/servers/127.0.0.1'
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), 'invalid address'
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assert 'error' in self.conf(
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{}, 'upstreams/one/servers/127.0.0.1:7081/blah'
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), 'invalid server option'
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def check_weight(w):
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assert 'error' in self.conf(
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w, 'upstreams/one/servers/127.0.0.1:7081/weight'
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), 'invalid weight option'
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check_weight({})
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check_weight('-1')
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check_weight('1.')
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check_weight('1.1.')
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check_weight('.')
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check_weight('.01234567890123')
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check_weight('1000001')
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check_weight('2e6')
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