apisix/t/plugin/limit-conn.t

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2019-10-31 09:27:28 +08:00
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
BEGIN {
if ($ENV{TEST_NGINX_CHECK_LEAK}) {
$SkipReason = "unavailable for the hup tests";
} else {
$ENV{TEST_NGINX_USE_HUP} = 1;
undef $ENV{TEST_NGINX_USE_STAP};
}
}
2019-09-10 09:42:55 +08:00
use t::APISIX 'no_plan';
repeat_each(1);
no_long_string();
no_shuffle();
no_root_location();
add_block_preprocessor(sub {
my ($block) = @_;
my $port = $ENV{TEST_NGINX_SERVER_PORT};
my $config = $block->config // <<_EOC_;
location /access_root_dir {
content_by_lua_block {
local httpc = require "resty.http"
local hc = httpc:new()
local res, err = hc:request_uri('http://127.0.0.1:$port/limit_conn')
if res then
ngx.exit(res.status)
end
}
}
location /test_concurrency {
content_by_lua_block {
local reqs = {}
for i = 1, 10 do
reqs[i] = { "/access_root_dir" }
end
local resps = { ngx.location.capture_multi(reqs) }
for i, resp in ipairs(resps) do
ngx.say(resp.status)
end
}
}
_EOC_
$block->set_value("config", $config);
});
run_tests;
__DATA__
=== TEST 1: sanity
--- config
location /t {
content_by_lua_block {
local plugin = require("apisix.plugins.limit-conn")
local ok, err = plugin.check_schema({conn = 1, burst = 0, default_conn_delay = 0.1, rejected_code = 503, key = 'remote_addr'})
if not ok then
ngx.say(err)
end
ngx.say("done")
}
}
--- request
GET /t
--- response_body
done
--- no_error_log
[error]
=== TEST 2: wrong value of key
--- config
location /t {
content_by_lua_block {
local plugin = require("apisix.plugins.limit-conn")
local ok, err = plugin.check_schema({conn = 1, default_conn_delay = 0.1, rejected_code = 503, key = 'remote_addr'})
if not ok then
ngx.say(err)
end
ngx.say("done")
}
}
--- request
GET /t
--- response_body
property "burst" is required
done
--- no_error_log
[error]
=== TEST 3: add plugin
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 100,
"burst": 50,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]],
[[{
"node": {
"value": {
"plugins": {
"limit-conn": {
"conn": 100,
"burst": 50,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
},
"key": "/apisix/routes/1"
},
"action": "set"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 4: not exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
200
200
200
200
200
200
200
--- no_error_log
[error]
=== TEST 5: update plugin
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 2,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]],
[[{
"node": {
"value": {
"plugins": {
"limit-conn": {
"conn": 2,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
},
"key": "/apisix/routes/1"
},
"action": "set"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 6: exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
503
503
503
503
503
503
503
--- no_error_log
[error]
=== TEST 7: update plugin
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 5,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 8: exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
200
200
200
503
503
503
503
--- no_error_log
[error]
=== TEST 9: invalid route: missing key
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.print(body)
}
}
--- request
GET /t
--- error_code: 400
--- response_body
{"error_msg":"failed to check the configuration of plugin limit-conn err: property \"conn\" is required"}
--- no_error_log
[error]
=== TEST 10: invalid route: wrong conn
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": -1,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.print(body)
}
}
--- request
GET /t
--- error_code: 400
--- response_body
2021-03-14 22:53:34 +08:00
{"error_msg":"failed to check the configuration of plugin limit-conn err: property \"conn\" validation failed: expected -1 to be strictly greater than 0"}
--- no_error_log
[error]
=== TEST 11: invalid service: missing key
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/services/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.print(body)
}
}
--- request
GET /t
--- error_code: 400
--- response_body
{"error_msg":"failed to check the configuration of plugin limit-conn err: property \"conn\" is required"}
--- no_error_log
[error]
=== TEST 12: invalid service: wrong count
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/services/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": -1,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.print(body)
}
}
--- request
GET /t
--- error_code: 400
--- response_body
2021-03-14 22:53:34 +08:00
{"error_msg":"failed to check the configuration of plugin limit-conn err: property \"conn\" validation failed: expected -1 to be strictly greater than 0"}
--- no_error_log
[error]
=== TEST 13: disable plugin
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 14: exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
200
200
200
200
200
200
200
--- no_error_log
[error]
=== TEST 15: set route(key: server_addr)
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 100,
"burst": 50,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "server_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 16: key: http_x_real_ip
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 5,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "http_x_real_ip"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 17: exceeding the burst (X-Real-IP)
--- config
location /access_root_dir {
content_by_lua_block {
local port = ngx.var.server_port
local httpc = require "resty.http"
local hc = httpc:new()
local res, err = hc:request_uri('http://127.0.0.1:' .. port .. '/limit_conn', {
keepalive = false,
headers = {["X-Real-IP"] = "10.10.10.1"}
})
if res then
ngx.exit(res.status)
end
}
}
location /test_concurrency {
content_by_lua_block {
local reqs = {}
for i = 1, 10 do
reqs[i] = { "/access_root_dir" }
end
local resps = { ngx.location.capture_multi(reqs) }
for i, resp in ipairs(resps) do
ngx.say(resp.status)
end
}
}
--- more_headers
X-Real-IP: 10.0.0.1
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
200
200
200
503
503
503
503
--- error_log
limit key: 10.10.10.1route
=== TEST 18: key: http_x_forwarded_for
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 5,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "http_x_forwarded_for"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 19: exceeding the burst(X-Forwarded-For)
--- config
location /access_root_dir {
content_by_lua_block {
local port = ngx.var.server_port
local httpc = require "resty.http"
local hc = httpc:new()
local res, err = hc:request_uri('http://127.0.0.1:' .. port .. '/limit_conn', {
keepalive = false,
headers = {["X-Forwarded-For"] = "10.10.10.2"}
})
if res then
ngx.exit(res.status)
end
}
}
location /test_concurrency {
content_by_lua_block {
local reqs = {}
for i = 1, 10 do
reqs[i] = { "/access_root_dir" }
end
local resps = { ngx.location.capture_multi(reqs) }
for i, resp in ipairs(resps) do
ngx.say(resp.status)
end
}
}
--- more_headers
X-Real-IP: 10.0.0.1
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
200
200
200
503
503
503
503
--- error_log
limit key: 10.10.10.2route
=== TEST 20: default rejected_code
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 100,
"burst": 50,
"default_conn_delay": 0.1,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]],
[[{
"node": {
"value": {
"plugins": {
"limit-conn": {
"rejected_code": 503
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
},
"key": "/apisix/routes/1"
},
"action": "set"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 21: set global rule with conn = 2
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/global_rules/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 2,
"burst": 1,
"default_conn_delay": 0.1,
"key": "remote_addr"
}
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 22: exceeding the burst of global rule
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
503
503
503
503
503
503
503
--- no_error_log
[error]
=== TEST 23: delete global rule
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/global_rules/1',
ngx.HTTP_DELETE
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 24: not exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
200
200
200
200
200
200
200
--- no_error_log
[error]
=== TEST 25: invalid schema
--- config
location /t {
content_by_lua_block {
local plugin = require("apisix.plugins.limit-conn")
local cases = {
{conn = 0, burst = 0, default_conn_delay = 0.1, rejected_code = 503, key = 'remote_addr'},
{conn = 1, burst = 0, default_conn_delay = 0, rejected_code = 503, key = 'remote_addr'},
}
for _, c in ipairs(cases) do
local ok, err = plugin.check_schema(c)
if not ok then
ngx.say(err)
end
end
ngx.say("done")
}
}
--- request
GET /t
--- response_body
2021-03-14 22:53:34 +08:00
property "conn" validation failed: expected 0 to be strictly greater than 0
property "default_conn_delay" validation failed: expected 0 to be strictly greater than 0
done
--- no_error_log
[error]
=== TEST 26: create consumer and bind key-auth plugin
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/consumers',
ngx.HTTP_PUT,
[[{
"username": "consumer_jack",
"plugins": {
"key-auth": {
"key": "auth-jack"
}
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 27: create route and enable plugin 'key-auth'
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"key-auth": {},
"limit-conn": {
"conn": 100,
"burst": 50,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "consumer_name"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 28: not exceeding the burst
--- config
location /access_root_dir {
content_by_lua_block {
local port = ngx.var.server_port
local httpc = require "resty.http"
local hc = httpc:new()
local res, err = hc:request_uri('http://127.0.0.1:' .. port .. '/limit_conn', {
headers = {["apikey"] = "auth-jack"}
})
if res then
ngx.exit(res.status)
end
}
}
location /test_concurrency {
content_by_lua_block {
local reqs = {}
for i = 1, 10 do
reqs[i] = { "/access_root_dir" }
end
local resps = { ngx.location.capture_multi(reqs) }
for i, resp in ipairs(resps) do
ngx.say(resp.status)
end
}
}
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
200
200
200
200
200
200
200
--- error_log_like eval
qr/limit key: consumer_jackroute&consumer\d+/
=== TEST 29: update plugin "limit-conn" configuration "conn" and "burst"
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"key-auth": {},
"limit-conn": {
"conn": 2,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "consumer_name"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 30: exceeding the burst
--- config
location /access_root_dir {
content_by_lua_block {
local port = ngx.var.server_port
local httpc = require "resty.http"
local hc = httpc:new()
local res, err = hc:request_uri('http://127.0.0.1:' .. port .. '/limit_conn', {
headers = {["apikey"] = "auth-jack"}
})
if res then
ngx.exit(res.status)
end
}
}
location /test_concurrency {
content_by_lua_block {
local reqs = {}
for i = 1, 10 do
reqs[i] = { "/access_root_dir" }
end
local resps = { ngx.location.capture_multi(reqs) }
for i, resp in ipairs(resps) do
ngx.say(resp.status)
end
}
}
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
200
200
503
503
503
503
503
503
503
--- error_log_like eval
qr/limit key: consumer_jackroute&consumer\d+/
=== TEST 31: plugin limit-conn uses the wrong value of key
--- config
location /t {
content_by_lua_block {
local plugin = require("apisix.plugins.limit-conn")
local ok, err = plugin.check_schema({
conn = 1,
default_conn_delay = 0.1,
rejected_code = 503,
key = 'consumer_name'
})
if not ok then
ngx.say(err)
end
ngx.say("done")
}
}
--- request
GET /t
--- response_body
property "burst" is required
done
--- no_error_log
[error]
=== TEST 32: enable plugin: conn=1
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 0,
"default_conn_delay": 0.3,
"rejected_code": 503,
"key": "remote_addr",
"allow_degradation": true
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/hello"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 33: hit route and should not be limited
--- pipelined_requests eval
[
"GET /hello", "GET /hello", "GET /hello",
"GET /hello", "GET /hello", "GET /hello",
]
--- timeout: 10s
--- error_code eval
[
200, 200, 200,
200, 200, 200
]
--- no_error_log
[error]
=== TEST 34: invalid route: wrong allow_degradation
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr",
"allow_degradation": "true1"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.print(body)
}
}
--- request
GET /t
--- error_code: 400
--- response_body
{"error_msg":"failed to check the configuration of plugin limit-conn err: property \"allow_degradation\" validation failed: wrong type: expected boolean, got string"}
--- no_error_log
[error]