apisix/t/node/upstream-node-dns.t
2020-11-30 10:32:35 +08:00

650 lines
17 KiB
Perl

#
# 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.
#
use t::APISIX 'no_plan';
repeat_each(1);
log_level('info');
no_root_location();
no_shuffle();
our $yaml_config = <<_EOC_;
apisix:
node_listen: 1984
admin_key: ~
dns_resolver_valid: 1
_EOC_
add_block_preprocessor(sub {
my ($block) = @_;
$block->set_value("yaml_config", $yaml_config);
});
run_tests();
__DATA__
=== TEST 1: route with one upstream node
--- 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,
[[{
"upstream": {
"nodes": {
"test.com: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 2: hit route, resolve upstream node to "127.0.0.2" always
--- init_by_lua_block
require "resty.core"
apisix = require("apisix")
core = require("apisix.core")
apisix.http_init()
local utils = require("apisix.core.utils")
utils.dns_parse = function (domain, resolvers) -- mock: DNS parser
if domain == "test.com" then
return {address = "127.0.0.2"}
end
error("unkown domain: " .. domain)
end
--- request
GET /hello
--- response_body
hello world
--- no_error_log
[error]
=== TEST 3: hit route, resolve upstream node to different values
--- init_by_lua_block
require "resty.core"
apisix = require("apisix")
core = require("apisix.core")
apisix.http_init()
local utils = require("apisix.core.utils")
local count = 0
utils.dns_parse = function (domain, resolvers) -- mock: DNS parser
count = count + 1
if domain == "test.com" then
return {address = "127.0.0." .. count}
end
error("unkown domain: " .. domain)
end
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
}
}
--- request
GET /t
--- grep_error_log eval
qr/dns resolver domain: test.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/
--- grep_error_log_out
call /hello
dns resolver domain: test.com to 127.0.0.1
proxy request to 127.0.0.1:1980
call /hello
dns resolver domain: test.com to 127.0.0.2
proxy request to 127.0.0.2:1980
proxy request to 127.0.0.2:1980
call /hello
dns resolver domain: test.com to 127.0.0.3
proxy request to 127.0.0.3:1980
=== TEST 4: set route with two upstream nodes
--- 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,
[[{
"upstream": {
"nodes": {
"test.com:1980": 1,
"test2.com: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 5: hit route, resolve the upstream node to "127.0.0.2"
--- init_by_lua_block
require "resty.core"
apisix = require("apisix")
core = require("apisix.core")
apisix.http_init()
local utils = require("apisix.core.utils")
utils.dns_parse = function (domain, resolvers) -- mock: DNS parser
if domain == "test.com" or domain == "test2.com" then
return {address = "127.0.0.2"}
end
error("unkown domain: " .. domain)
end
--- request
GET /hello
--- response_body
hello world
--- no_error_log
[error]
=== TEST 6: hit route, resolve upstream node to different values
--- init_by_lua_block
require "resty.core"
apisix = require("apisix")
core = require("apisix.core")
apisix.http_init()
local utils = require("apisix.core.utils")
local count = 0
utils.dns_parse = function (domain, resolvers) -- mock: DNS parser
count = count + 1
if domain == "test.com" or domain == "test2.com" then
return {address = "127.0.0." .. count}
end
error("unkown domain: " .. domain)
end
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
core.log.warn("code: ", code)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
core.log.warn("code: ", code)
local code, body = t('/hello', ngx.HTTP_GET)
core.log.warn("code: ", code)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
core.log.warn("code: ", code)
}
}
--- request
GET /t
--- grep_error_log eval
qr/dns resolver domain: \w+.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/
--- grep_error_log_out eval
qr/call \/hello(
dns resolver domain: test.com to 127.0.0.1
dns resolver domain: test2.com to 127.0.0.2|
dns resolver domain: test2.com to 127.0.0.1
dns resolver domain: test.com to 127.0.0.2)
proxy request to 127.0.0.[12]:1980
call \/hello(
dns resolver domain: test.com to 127.0.0.3
dns resolver domain: test2.com to 127.0.0.4|
dns resolver domain: test2.com to 127.0.0.3
dns resolver domain: test.com to 127.0.0.4)
proxy request to 127.0.0.[34]:1980
proxy request to 127.0.0.[34]:1980
call \/hello(
dns resolver domain: test.com to 127.0.0.5
dns resolver domain: test2.com to 127.0.0.6|
dns resolver domain: test2.com to 127.0.0.5
dns resolver domain: test.com to 127.0.0.6)
proxy request to 127.0.0.[56]:1980
/
=== TEST 7: upstream with one upstream node
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/upstreams/1',
ngx.HTTP_PUT,
[[{
"nodes": {
"test.com:1980": 1
},
"type": "roundrobin",
"desc": "new upstream"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 8: set route with upstream_id 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,
[[{
"uri": "/hello",
"upstream_id": "1"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 9: hit route, resolve upstream node to different values
--- init_by_lua_block
require "resty.core"
apisix = require("apisix")
core = require("apisix.core")
apisix.http_init()
local utils = require("apisix.core.utils")
local count = 0
utils.dns_parse = function (domain, resolvers) -- mock: DNS parser
count = count + 1
if domain == "test.com" then
return {address = "127.0.0." .. count}
end
error("unkown domain: " .. domain)
end
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
}
}
--- request
GET /t
--- grep_error_log eval
qr/dns resolver domain: test.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/
--- grep_error_log_out
call /hello
dns resolver domain: test.com to 127.0.0.1
proxy request to 127.0.0.1:1980
call /hello
dns resolver domain: test.com to 127.0.0.2
proxy request to 127.0.0.2:1980
proxy request to 127.0.0.2:1980
call /hello
dns resolver domain: test.com to 127.0.0.3
proxy request to 127.0.0.3:1980
=== TEST 10: two upstream nodes in upstream object
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/upstreams/1',
ngx.HTTP_PUT,
[[{
"nodes": {
"test.com:1980": 1,
"test2.com:1980": 1
},
"type": "roundrobin",
"desc": "new upstream"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 11: hit route, resolve upstream node to different values
--- init_by_lua_block
require "resty.core"
apisix = require("apisix")
core = require("apisix.core")
apisix.http_init()
local utils = require("apisix.core.utils")
local count = 0
utils.dns_parse = function (domain, resolvers) -- mock: DNS parser
count = count + 1
if domain == "test.com" or domain == "test2.com" then
return {address = "127.0.0." .. count}
end
error("unkown domain: " .. domain)
end
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
}
}
--- request
GET /t
--- grep_error_log eval
qr/dns resolver domain: \w+.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/
--- grep_error_log_out eval
qr/call \/hello(
dns resolver domain: test.com to 127.0.0.1
dns resolver domain: test2.com to 127.0.0.2|
dns resolver domain: test2.com to 127.0.0.1
dns resolver domain: test.com to 127.0.0.2)
proxy request to 127.0.0.[12]:1980
call \/hello(
dns resolver domain: test.com to 127.0.0.3
dns resolver domain: test2.com to 127.0.0.4|
dns resolver domain: test2.com to 127.0.0.3
dns resolver domain: test.com to 127.0.0.4)
proxy request to 127.0.0.[34]:1980
proxy request to 127.0.0.[34]:1980
proxy request to 127.0.0.[34]:1980
proxy request to 127.0.0.[34]:1980
call \/hello(
dns resolver domain: test2.com to 127.0.0.5
dns resolver domain: test.com to 127.0.0.6|
dns resolver domain: test.com to 127.0.0.5
dns resolver domain: test2.com to 127.0.0.6)
proxy request to 127.0.0.[56]:1980
/
=== TEST 12: dns cached expired, resolve the domain always with same value
--- init_by_lua_block
require "resty.core"
apisix = require("apisix")
core = require("apisix.core")
apisix.http_init()
local utils = require("apisix.core.utils")
local count = 1
utils.dns_parse = function (domain, resolvers) -- mock: DNS parser
if domain == "test.com" or domain == "test2.com" then
return {address = "127.0.0.1"}
end
error("unkown domain: " .. domain)
end
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
}
}
--- request
GET /t
--- grep_error_log eval
qr/dns resolver domain: \w+.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/
--- grep_error_log_out eval
qr/call \/hello(
dns resolver domain: test.com to 127.0.0.1
dns resolver domain: test2.com to 127.0.0.1|
dns resolver domain: test2.com to 127.0.0.1
dns resolver domain: test.com to 127.0.0.1)
proxy request to 127.0.0.1:1980
call \/hello(
dns resolver domain: test.com to 127.0.0.1
dns resolver domain: test2.com to 127.0.0.1|
dns resolver domain: test2.com to 127.0.0.1
dns resolver domain: test.com to 127.0.0.1)
proxy request to 127.0.0.1:1980
proxy request to 127.0.0.1:1980
proxy request to 127.0.0.1:1980
proxy request to 127.0.0.1:1980
call \/hello(
dns resolver domain: test.com to 127.0.0.1
dns resolver domain: test2.com to 127.0.0.1|
dns resolver domain: test2.com to 127.0.0.1
dns resolver domain: test.com to 127.0.0.1)
proxy request to 127.0.0.1:1980
/
=== TEST 13: two upstream nodes in upstream object (one host + one IP)
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/upstreams/1',
ngx.HTTP_PUT,
[[{
"nodes": {
"test.com:1980": 1,
"127.0.0.5:1981": 1
},
"type": "roundrobin",
"desc": "new upstream"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 14: dns cached expired, resolve the domain with different values
--- init_by_lua_block
require "resty.core"
apisix = require("apisix")
core = require("apisix.core")
apisix.http_init()
local utils = require("apisix.core.utils")
local count = 0
utils.dns_parse = function (domain, resolvers) -- mock: DNS parser
count = count + 1
if domain == "test.com" or domain == "test2.com" then
return {address = "127.0.0." .. count}
end
error("unkown domain: " .. domain)
end
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
local code, body = t('/hello', ngx.HTTP_GET)
ngx.sleep(1.1) -- cache expired
core.log.info("call /hello")
local code, body = t('/hello', ngx.HTTP_GET)
}
}
--- request
GET /t
--- grep_error_log eval
qr/dns resolver domain: \w+.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:198\d/
--- grep_error_log_out eval
qr/call \/hello
dns resolver domain: test.com to 127.0.0.1
proxy request to 127.0.0.(1:1980|5:1981)
call \/hello
dns resolver domain: test.com to 127.0.0.2
proxy request to 127.0.0.(2:1980|5:1981)
proxy request to 127.0.0.(2:1980|5:1981)
proxy request to 127.0.0.(2:1980|5:1981)
proxy request to 127.0.0.(2:1980|5:1981)
call \/hello
dns resolver domain: test.com to 127.0.0.3
proxy request to 127.0.0.(3:1980|5:1981)
/