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b6354ec33e
apisix/t/plugin/prometheus.t
nic-chen 7525f1fcc9
feat(prometheus): add prometheus metrics node_info(hostname) (#2063) 
* using a new metric `node_info` to store the hostname
2020-08-16 09:59:55 +08:00

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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.
#
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();
run_tests;
__DATA__
=== TEST 1: sanity
--- config
location /t {
content_by_lua_block {
local plugin = require("apisix.plugins.prometheus")
local ok, err = plugin.check_schema({})
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.prometheus")
local ok, err = plugin.check_schema({
invalid = "invalid"
})
if not ok then
ngx.say(err)
return
end
ngx.say("done")
}
}
--- request
GET /t
--- response_body
additional properties forbidden, found invalid
--- no_error_log
[error]
=== TEST 3: set it in route
--- 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": {
"prometheus": {}
},
"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 4: fetch the prometheus metric data
--- request
GET /apisix/prometheus/metrics
--- response_body_like
apisix_etcd_reachable 1
--- no_error_log
[error]
=== TEST 5: request from client (all hit)
--- pipelined_requests eval
["GET /hello", "GET /hello", "GET /hello", "GET /hello"]
--- error_code eval
[200, 200, 200, 200]
--- no_error_log
[error]
=== TEST 6: request from client (part hit)
--- pipelined_requests eval
["GET /hello1", "GET /hello", "GET /hello2", "GET /hello", "GET /hello"]
--- error_code eval
[404, 200, 404, 200, 200]
--- no_error_log
[error]
=== TEST 7: fetch the prometheus metric data
--- request
GET /apisix/prometheus/metrics
--- response_body eval
qr/apisix_bandwidth\{type="egress",route="1",service="",node="127.0.0.1"\} \d+/
--- no_error_log
[error]
=== TEST 8: test for unsupported method
--- request
PATCH /apisix/prometheus/metrics
--- error_code: 404
=== TEST 9: set it in route (with wrong property)
--- 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": {
"prometheus": {
"invalid_property": 1
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/hello"
}]]
)
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 prometheus err: additional properties forbidden, found invalid_property"}
--- no_error_log
[error]
=== TEST 10: set it in service (with wrong property)
--- 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": {
"prometheus": {
"invalid_property": 1
}
},
"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 prometheus err: additional properties forbidden, found invalid_property"}
--- no_error_log
[error]
=== TEST 11: set route without id in post body
--- 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,
[[{
"methods": ["GET"],
"plugins": {
"prometheus": {
}
},
"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 12: pipeline of client request
--- pipelined_requests eval
["GET /hello", "GET /not_found", "GET /hello", "GET /hello"]
--- error_code eval
[200, 404, 200, 200]
--- no_error_log
[error]
=== TEST 13: fetch the prometheus metric data
--- request
GET /apisix/prometheus/metrics
--- response_body eval
qr/apisix_bandwidth\{type="egress",route="1",service="",node="127.0.0.1"\} \d+/
--- no_error_log
[error]
=== TEST 14: fetch the prometheus metric data
--- request
GET /apisix/prometheus/metrics
--- response_body eval
qr/apisix_http_latency_count\{type="request",service="",node="127.0.0.1"\} \d+/
--- no_error_log
[error]
=== TEST 15: create service
--- 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": {
"prometheus": {}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 16: use service 1 in route 1
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/2',
ngx.HTTP_PUT,
[[{
"service_id": 1,
"uri": "/hello1"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 17: pipeline of client request
--- pipelined_requests eval
["GET /hello1", "GET /not_found", "GET /hello1", "GET /hello1"]
--- error_code eval
[200, 404, 200, 200]
--- no_error_log
[error]
=== TEST 18: fetch the prometheus metric data
--- request
GET /apisix/prometheus/metrics
--- response_body eval
qr/apisix_bandwidth\{type="egress",route="2",service="1",node="127.0.0.1"\} \d+/
--- no_error_log
[error]
=== TEST 19: delete route 2
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/2',
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 20: set it in route with plugin `fault-injection`
--- 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": {
"prometheus": {},
"fault-injection": {
"abort": {
"http_status": 200,
"body": "Fault Injection!"
}
}
},
"uri": "/hello"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 21: pipeline of client request
--- pipelined_requests eval
["GET /hello", "GET /not_found", "GET /hello", "GET /hello"]
--- error_code eval
[200, 404, 200, 200]
--- no_error_log
[error]
=== TEST 22: set it in 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_PUT,
[[{
"plugins": {
"prometheus": {}
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
local code, body = t('/apisix/admin/routes/3',
ngx.HTTP_PUT,
[[{
"methods": ["GET"],
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/hello3"
}]]
)
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
passed
--- no_error_log
[error]
=== TEST 23: request from client
--- pipelined_requests eval
["GET /hello3", "GET /hello3"]
--- error_code eval
[404, 404]
--- no_error_log
[error]
=== TEST 24: fetch the prometheus metric data
--- request
GET /apisix/prometheus/metrics
--- response_body eval
qr/apisix_http_status\{code="404",route="3",service="",node="127.0.0.1"\} 2/
--- no_error_log
[error]
=== TEST 25: fetch the prometheus metric data with `overhead`
--- request
GET /apisix/prometheus/metrics
--- response_body eval
qr/.*apisix_http_overhead_bucket.*/
--- no_error_log
[error]
=== TEST 26: add service 3 to distinguish other services
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/services/3',
ngx.HTTP_PUT,
[[{
"plugins": {
"prometheus": {}
},
"upstream": {
"nodes": {
"127.0.0.1:1981": 1
},
"type": "roundrobin"
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 27: add a route 4 to redirect /sleep1
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/4',
ngx.HTTP_PUT,
[[{
"service_id": 3,
"uri": "/sleep1"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 28: request from client to /sleep1 ( all hit)
--- pipelined_requests eval
["GET /sleep1", "GET /sleep1", "GET /sleep1"]
--- error_code eval
[200, 200, 200]
--- no_error_log
[error]
=== TEST 29: fetch the prometheus metric data with `overhead`(the overhead < 1s)
--- request
GET /apisix/prometheus/metrics
--- response_body eval
qr/apisix_http_overhead_bucket.*service=\"3\".*le=\"00500.0.*/
--- no_error_log
[error]
=== TEST 30: delete route 4
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/4',
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 31: delete service 3
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/services/3',
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 32: fetch the prometheus metric data with `modify_indexes consumers`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="consumers"\} \d+/
--- no_error_log
[error]
=== TEST 33: fetch the prometheus metric data with `modify_indexes global_rules`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="global_rules"\} \d+/
--- no_error_log
[error]
=== TEST 34: fetch the prometheus metric data with `modify_indexes max_modify_index`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="max_modify_index"\} \d+/
--- no_error_log
[error]
=== TEST 35: fetch the prometheus metric data with `modify_indexes protos`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="protos"\} \d+/
--- no_error_log
[error]
=== TEST 36: fetch the prometheus metric data with `modify_indexes routes`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="routes"\} \d+/
--- no_error_log
[error]
=== TEST 37: fetch the prometheus metric data with `modify_indexes services`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="services"\} \d+/
--- no_error_log
[error]
=== TEST 38: fetch the prometheus metric data with `modify_indexes ssls`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="ssls"\} \d+/
--- no_error_log
[error]
=== TEST 39: fetch the prometheus metric data with `modify_indexes stream_routes`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="stream_routes"\} \d+/
--- no_error_log
[error]
=== TEST 40: fetch the prometheus metric data with `modify_indexes upstreams`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="upstreams"\} \d+/
--- no_error_log
[error]
=== TEST 41: fetch the prometheus metric data with `modify_indexes prev_index`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="prev_index"\} \d+/
--- no_error_log
[error]
=== TEST 42: fetch the prometheus metric data with `modify_indexes x_etcd_index`
--- request
GET /apisix/prometheus/metrics
--- response_body_like eval
qr/apisix_etcd_modify_indexes\{key="x_etcd_index"\} \d+/
--- no_error_log
[error]
=== TEST 43: fetch the prometheus metric data -- hostname
--- request
GET /apisix/prometheus/metrics
--- response_body eval
qr/apisix_node_info\{hostname=".*"\} 1/
--- no_error_log
[error]
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