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apisix/t/node/upstream-discovery.t

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#
# 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);
no_root_location();
no_shuffle();
add_block_preprocessor(sub {
my ($block) = @_;
if (!$block->yaml_config) {
my $yaml_config = <<_EOC_;
apisix:
node_listen: 1984
config_center: yaml
enable_admin: false
_EOC_
$block->set_value("yaml_config", $yaml_config);
}
if ($block->apisix_yaml) {
my $upstream = <<_EOC_;
upstreams:
- service_name: mock
discovery_type: mock
type: roundrobin
id: 1
#END
_EOC_
$block->set_value("apisix_yaml", $block->apisix_yaml . $upstream);
}
if (!$block->request) {
$block->set_value("request", "GET /t");
}
if ((!defined $block->error_log) && (!defined $block->no_error_log)) {
$block->set_value("no_error_log", "[error]");
}
});
run_tests();
__DATA__
=== TEST 1: create new server picker when nodes change
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.2", port = 1980, weight = 1},
{host = "127.0.0.3", port = 1980, weight = 1},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
}
}
--- grep_error_log eval
qr/create_obj_fun\(\): upstream nodes:/
--- grep_error_log_out
create_obj_fun(): upstream nodes:
create_obj_fun(): upstream nodes:
=== TEST 2: don't create new server picker if nodes don't change
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
discovery.mock = {
nodes = function()
return {
{host = "0.0.0.0", port = 1980, weight = 1},
{host = "127.0.0.1", port = 1980, weight = 1},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
}
}
--- grep_error_log eval
qr/create_obj_fun\(\): upstream nodes:/
--- grep_error_log_out
create_obj_fun(): upstream nodes:
=== TEST 3: create new server picker when nodes change, up_conf doesn't come from upstream
--- apisix_yaml
routes:
-
uris:
- /hello
service_id: 1
services:
-
id: 1
upstream:
service_name: mock
discovery_type: mock
type: roundrobin
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.2", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
}
}
--- grep_error_log eval
qr/create_obj_fun\(\): upstream nodes:/
--- grep_error_log_out
create_obj_fun(): upstream nodes:
create_obj_fun(): upstream nodes:
=== TEST 4: don't create new server picker if nodes don't change (port missing)
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", weight = 1},
{host = "0.0.0.0", weight = 1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
discovery.mock = {
nodes = function()
return {
{host = "0.0.0.0", weight = 1},
{host = "127.0.0.1", weight = 1},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
}
}
--- grep_error_log eval
qr/create_obj_fun\(\): upstream nodes:/
--- grep_error_log_out
create_obj_fun(): upstream nodes:
--- error_log
connect() failed
=== TEST 5: create new server picker when priority change
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1, priority = 1},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
}
}
--- grep_error_log eval
qr/create_obj_fun\(\): upstream nodes:/
--- grep_error_log_out
create_obj_fun(): upstream nodes:
create_obj_fun(): upstream nodes:
=== TEST 6: default priority of discovered node is 0
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1979, weight = 1, priority = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
{host = "127.0.0.2", port = 1979, weight = 1, priority = -1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
}
}
--- error_log
connect() failed
--- grep_error_log eval
qr/proxy request to \S+/
--- grep_error_log_out
proxy request to 127.0.0.1:1979
proxy request to 0.0.0.0:1980
=== TEST 7: create new server picker when metadata change
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1, metadata = {a = 1}},
{host = "0.0.0.0", port = 1980, weight = 1, metadata = {}},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1, metadata = {a = 1}},
{host = "0.0.0.0", port = 1980, weight = 1, metadata = {b = 1}},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
}
}
--- grep_error_log eval
qr/create_obj_fun\(\): upstream nodes:/
--- grep_error_log_out
create_obj_fun(): upstream nodes:
create_obj_fun(): upstream nodes:
=== TEST 8: don't create new server picker when metadata doesn't change
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
local meta1 = {a = 1}
local meta2 = {b = 2}
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1, metadata = meta1},
{host = "0.0.0.0", port = 1980, weight = 1, metadata = meta2},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1, metadata = meta1},
{host = "0.0.0.0", port = 1980, weight = 1, metadata = meta2},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
}
}
--- grep_error_log eval
qr/create_obj_fun\(\): upstream nodes:/
--- grep_error_log_out
create_obj_fun(): upstream nodes:
=== TEST 9: bad nodes return by the discovery
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = "0"},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
}
}
--- response_body
503
--- error_log
invalid nodes format: failed to validate item 1: property "weight" validation failed: wrong type: expected integer, got string
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