t/plugin/limit-conn-redis-cluster.t (53 lines of code) (raw):
#
# 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 $ENV{TEST_NGINX_USE_STAP};
}
}
use t::APISIX 'no_plan';
repeat_each(1);
no_long_string();
no_shuffle();
no_root_location();
add_block_preprocessor(sub {
my ($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 = {}
local status_map = {}
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
local status_key = resp.status
if status_map[status_key] then
status_map[status_key] = status_map[status_key] + 1
else
status_map[status_key] = 1
end
end
for key, value in pairs(status_map) do
ngx.say("status:" .. key .. ", " .. "count:" .. value)
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',
policy = "redis-cluster",
redis_cluster_nodes = {
"127.0.0.1:5000",
"127.0.0.1:5003",
"127.0.0.1:5002"
},
dict_name = "test",
redis_cluster_name = "test"
})
if not ok then
ngx.say(err)
end
ngx.say("done")
}
}
--- request
GET /t
--- response_body
done
=== TEST 2: 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",
"policy": "redis-cluster",
"redis_cluster_nodes": [
"127.0.0.1:5000",
"127.0.0.1:5003",
"127.0.0.1:5002"
],
"redis_cluster_name": "test"
}
},
"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
=== TEST 3: not exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
status:200, count:10
=== TEST 4: 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",
"policy": "redis-cluster",
"redis_cluster_nodes": [
"127.0.0.1:5000",
"127.0.0.1:5002"
],
"redis_cluster_name": "redis-cluster-1"
}
},
"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
=== TEST 5: exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
status:200, count:3
status:503, count:7
=== TEST 6: 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",
"policy": "redis-cluster",
"redis_cluster_nodes": [
"127.0.0.1:5000",
"127.0.0.1:5002"
],
"redis_cluster_name": "redis-cluster-1"
}
},
"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
=== TEST 7: exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
status:200, count:6
status:503, count:4
=== TEST 8: set route, with redis_cluster_nodes and redis_cluster_name redis_cluster_ssl and redis_cluster_ssl_verify
--- 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",
"policy": "redis-cluster",
"redis_cluster_nodes": [
"127.0.0.1:7001",
"127.0.0.1:7002",
"127.0.0.1:7000"
],
"redis_cluster_name": "redis-cluster-2",
"redis_cluster_ssl": true,
"redis_cluster_ssl_verify": false
}
},
"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
=== TEST 9: exceeding the burst
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
status:200, count:6
status:503, count:4