mirror of
https://github.com/prometheus/statsd_exporter.git
synced 2024-11-14 11:21:17 +00:00
d1f7ca4239
This test did not fail because the regex was bad, it failed because yaml parsing failed. This fixes the yaml which uncovers a panic in initFromYAMLString.
524 lines
10 KiB
Go
524 lines
10 KiB
Go
// Copyright 2013 The Prometheus Authors
|
|
// Licensed 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.
|
|
|
|
package main
|
|
|
|
import (
|
|
"testing"
|
|
)
|
|
|
|
type mappings map[string]struct {
|
|
name string
|
|
labels map[string]string
|
|
notPresent bool
|
|
}
|
|
|
|
func TestMetricMapperYAML(t *testing.T) {
|
|
scenarios := []struct {
|
|
config string
|
|
configBad bool
|
|
mappings mappings
|
|
}{
|
|
// Empty config.
|
|
{},
|
|
// Config with several mapping definitions.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: test.dispatcher.*.*.*
|
|
name: "dispatch_events"
|
|
labels:
|
|
processor: "$1"
|
|
action: "$2"
|
|
result: "$3"
|
|
job: "test_dispatcher"
|
|
- match: test.my-dispatch-host01.name.dispatcher.*.*.*
|
|
name: "host_dispatch_events"
|
|
labels:
|
|
processor: "$1"
|
|
action: "$2"
|
|
result: "$3"
|
|
job: "test_dispatcher"
|
|
- match: request_time.*.*.*.*.*.*.*.*.*.*.*.*
|
|
name: "tyk_http_request"
|
|
labels:
|
|
method_and_path: "${1}"
|
|
response_code: "${2}"
|
|
apikey: "${3}"
|
|
apiversion: "${4}"
|
|
apiname: "${5}"
|
|
apiid: "${6}"
|
|
ipv4_t1: "${7}"
|
|
ipv4_t2: "${8}"
|
|
ipv4_t3: "${9}"
|
|
ipv4_t4: "${10}"
|
|
orgid: "${11}"
|
|
oauthid: "${12}"
|
|
- match: "*.*"
|
|
name: "catchall"
|
|
labels:
|
|
first: "$1"
|
|
second: "$2"
|
|
third: "$3"
|
|
job: "$1-$2-$3"
|
|
- match: (.*)\.(.*)-(.*)\.(.*)
|
|
match_type: regex
|
|
name: "proxy_requests_total"
|
|
labels:
|
|
job: "$1"
|
|
protocol: "$2"
|
|
endpoint: "$3"
|
|
result: "$4"
|
|
|
|
`,
|
|
mappings: mappings{
|
|
"test.dispatcher.FooProcessor.send.succeeded": {
|
|
name: "dispatch_events",
|
|
labels: map[string]string{
|
|
"processor": "FooProcessor",
|
|
"action": "send",
|
|
"result": "succeeded",
|
|
"job": "test_dispatcher",
|
|
},
|
|
},
|
|
"test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded": {
|
|
name: "host_dispatch_events",
|
|
labels: map[string]string{
|
|
"processor": "FooProcessor",
|
|
"action": "send",
|
|
"result": "succeeded",
|
|
"job": "test_dispatcher",
|
|
},
|
|
},
|
|
"request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.": {
|
|
name: "tyk_http_request",
|
|
labels: map[string]string{
|
|
"method_and_path": "get/threads/1/posts",
|
|
"response_code": "200",
|
|
"apikey": "00000000",
|
|
"apiversion": "nonversioned",
|
|
"apiname": "discussions",
|
|
"apiid": "a11bbcdf0ac64ec243658dc64b7100fb",
|
|
"ipv4_t1": "172",
|
|
"ipv4_t2": "20",
|
|
"ipv4_t3": "0",
|
|
"ipv4_t4": "1",
|
|
"orgid": "12ba97b7eaa1a50001000001",
|
|
"oauthid": "",
|
|
},
|
|
},
|
|
"foo.bar": {
|
|
name: "catchall",
|
|
labels: map[string]string{
|
|
"first": "foo",
|
|
"second": "bar",
|
|
"third": "",
|
|
"job": "foo-bar-",
|
|
},
|
|
},
|
|
"foo.bar.baz": {},
|
|
"proxy-1.http-goober.success": {
|
|
name: "proxy_requests_total",
|
|
labels: map[string]string{
|
|
"job": "proxy-1",
|
|
"protocol": "http",
|
|
"endpoint": "goober",
|
|
"result": "success",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
// Config with bad regex reference.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: test.*
|
|
name: "name"
|
|
labels:
|
|
label: "$1_foo"
|
|
`,
|
|
mappings: mappings{
|
|
"test.a": {
|
|
name: "name",
|
|
labels: map[string]string{
|
|
"label": "",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
// Config with good regex reference.
|
|
{
|
|
config: `
|
|
mappings:
|
|
- match: test.*
|
|
name: "name"
|
|
labels:
|
|
label: "${1}_foo"
|
|
`,
|
|
mappings: mappings{
|
|
"test.a": {
|
|
name: "name",
|
|
labels: map[string]string{
|
|
"label": "a_foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
// Config with bad metric line.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: bad--metric-line.*.*
|
|
name: "foo"
|
|
labels: {}
|
|
`,
|
|
configBad: true,
|
|
},
|
|
// Config with dynamic metric name.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: test1.*.*
|
|
name: "$1"
|
|
labels: {}
|
|
- match: test2.*.*
|
|
name: "${1}_$2"
|
|
labels: {}
|
|
- match: test3\.(\w+)\.(\w+)
|
|
match_type: regex
|
|
name: "${2}_$1"
|
|
labels: {}
|
|
`,
|
|
mappings: mappings{
|
|
"test1.total_requests.count": {
|
|
name: "total_requests",
|
|
},
|
|
"test2.total_requests.count": {
|
|
name: "total_requests_count",
|
|
},
|
|
"test3.total_requests.count": {
|
|
name: "count_total_requests",
|
|
},
|
|
},
|
|
},
|
|
// Config with bad metric name.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: test.*.*
|
|
name: "0foo"
|
|
labels: {}
|
|
`,
|
|
configBad: true,
|
|
},
|
|
// Config with no metric name.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: test.*.*
|
|
labels:
|
|
this: "$1"
|
|
`,
|
|
configBad: true,
|
|
},
|
|
// Config with no mappings.
|
|
{
|
|
config: ``,
|
|
mappings: mappings{},
|
|
},
|
|
// Config without a trailing newline.
|
|
{
|
|
config: `mappings:
|
|
- match: test.*
|
|
name: "name"
|
|
labels:
|
|
label: "${1}_foo"`,
|
|
mappings: mappings{
|
|
"test.a": {
|
|
name: "name",
|
|
labels: map[string]string{
|
|
"label": "a_foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
// Config with an improperly escaped *.
|
|
{
|
|
config: `
|
|
mappings:
|
|
- match: *.test.*
|
|
name: "name"
|
|
labels:
|
|
label: "${1}_foo"`,
|
|
configBad: true,
|
|
},
|
|
// Config with a properly escaped *.
|
|
{
|
|
config: `
|
|
mappings:
|
|
- match: "*.test.*"
|
|
name: "name"
|
|
labels:
|
|
label: "${2}_foo"`,
|
|
mappings: mappings{
|
|
"foo.test.a": {
|
|
name: "name",
|
|
labels: map[string]string{
|
|
"label": "a_foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
// Config with good timer type.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: test.*.*
|
|
timer_type: summary
|
|
name: "foo"
|
|
labels: {}
|
|
`,
|
|
mappings: mappings{
|
|
"test.*.*": {
|
|
name: "foo",
|
|
labels: map[string]string{},
|
|
},
|
|
},
|
|
},
|
|
// Config with bad timer type.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: test.*.*
|
|
timer_type: wrong
|
|
name: "foo"
|
|
labels: {}
|
|
`,
|
|
configBad: true,
|
|
},
|
|
//Config with uncompilable regex.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: "*\\.foo"
|
|
match_type: regex
|
|
name: "foo"
|
|
labels: {}
|
|
`,
|
|
configBad: true,
|
|
},
|
|
//Config with non-matched metric.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: foo.*.*
|
|
timer_type: summary
|
|
name: "foo"
|
|
labels: {}
|
|
`,
|
|
mappings: mappings{
|
|
"test.1.2": {
|
|
name: "test_1_2",
|
|
labels: map[string]string{},
|
|
notPresent: true,
|
|
},
|
|
},
|
|
},
|
|
//Config with no name.
|
|
{
|
|
config: `---
|
|
mappings:
|
|
- match: *\.foo
|
|
match_type: regex
|
|
labels:
|
|
bar: "foo"
|
|
`,
|
|
configBad: true,
|
|
},
|
|
// Example from the README.
|
|
{
|
|
config: `
|
|
mappings:
|
|
- match: test.dispatcher.*.*.*
|
|
name: "dispatcher_events_total"
|
|
labels:
|
|
processor: "$1"
|
|
action: "$2"
|
|
outcome: "$3"
|
|
job: "test_dispatcher"
|
|
- match: "*.signup.*.*"
|
|
name: "signup_events_total"
|
|
labels:
|
|
provider: "$2"
|
|
outcome: "$3"
|
|
job: "${1}_server"
|
|
`,
|
|
mappings: mappings{
|
|
"test.dispatcher.FooProcessor.send.success": {
|
|
name: "dispatcher_events_total",
|
|
labels: map[string]string{
|
|
"processor": "FooProcessor",
|
|
"action": "send",
|
|
"outcome": "success",
|
|
"job": "test_dispatcher",
|
|
},
|
|
},
|
|
"foo_product.signup.facebook.failure": {
|
|
name: "signup_events_total",
|
|
labels: map[string]string{
|
|
"provider": "facebook",
|
|
"outcome": "failure",
|
|
"job": "foo_product_server",
|
|
},
|
|
},
|
|
"test.web-server.foo.bar": {
|
|
name: "test_web_server_foo_bar",
|
|
labels: map[string]string{},
|
|
},
|
|
},
|
|
},
|
|
// Config that drops all.
|
|
{
|
|
config: `mappings:
|
|
- match: .
|
|
match_type: regex
|
|
name: "drop"
|
|
action: drop`,
|
|
mappings: mappings{
|
|
"test.a": {},
|
|
"abc": {},
|
|
},
|
|
},
|
|
// Config that has a catch-all to drop all.
|
|
{
|
|
config: `mappings:
|
|
- match: web.*
|
|
name: "web"
|
|
labels:
|
|
site: "$1"
|
|
- match: .
|
|
match_type: regex
|
|
name: "drop"
|
|
action: drop`,
|
|
mappings: mappings{
|
|
"test.a": {},
|
|
"web.localhost": {
|
|
name: "web",
|
|
labels: map[string]string{
|
|
"site": "localhost",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
mapper := metricMapper{}
|
|
for i, scenario := range scenarios {
|
|
err := mapper.initFromYAMLString(scenario.config)
|
|
if err != nil && !scenario.configBad {
|
|
t.Fatalf("%d. Config load error: %s %s", i, scenario.config, err)
|
|
}
|
|
if err == nil && scenario.configBad {
|
|
t.Fatalf("%d. Expected bad config, but loaded ok: %s", i, scenario.config)
|
|
}
|
|
|
|
for metric, mapping := range scenario.mappings {
|
|
m, labels, present := mapper.getMapping(metric)
|
|
if present && mapping.name != "" && m.Name != mapping.name {
|
|
t.Fatalf("%d.%q: Expected name %v, got %v", i, metric, m.Name, mapping.name)
|
|
}
|
|
if mapping.notPresent && present {
|
|
t.Fatalf("%d.%q: Expected metric to not be present", i, metric)
|
|
}
|
|
if len(labels) != len(mapping.labels) {
|
|
t.Fatalf("%d.%q: Expected %d labels, got %d", i, metric, len(mapping.labels), len(labels))
|
|
}
|
|
for label, value := range labels {
|
|
if mapping.labels[label] != value {
|
|
t.Fatalf("%d.%q: Expected labels %v, got %v", i, metric, mapping, labels)
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAction(t *testing.T) {
|
|
scenarios := []struct {
|
|
config string
|
|
configBad bool
|
|
expectedAction actionType
|
|
}{
|
|
{
|
|
// no action set
|
|
config: `---
|
|
mappings:
|
|
- match: test.*.*
|
|
name: "foo"
|
|
`,
|
|
configBad: false,
|
|
expectedAction: actionTypeMap,
|
|
},
|
|
{
|
|
// map action set
|
|
config: `---
|
|
mappings:
|
|
- match: test.*.*
|
|
name: "foo"
|
|
action: map
|
|
`,
|
|
configBad: false,
|
|
expectedAction: actionTypeMap,
|
|
},
|
|
{
|
|
// drop action set
|
|
config: `---
|
|
mappings:
|
|
- match: test.*.*
|
|
name: "foo"
|
|
action: drop
|
|
`,
|
|
configBad: false,
|
|
expectedAction: actionTypeDrop,
|
|
},
|
|
{
|
|
// invalid action set
|
|
config: `---
|
|
mappings:
|
|
- match: test.*.*
|
|
name: "foo"
|
|
action: xyz
|
|
`,
|
|
configBad: true,
|
|
expectedAction: actionTypeDrop,
|
|
},
|
|
}
|
|
|
|
for i, scenario := range scenarios {
|
|
mapper := metricMapper{}
|
|
err := mapper.initFromYAMLString(scenario.config)
|
|
if err != nil && !scenario.configBad {
|
|
t.Fatalf("%d. Config load error: %s %s", i, scenario.config, err)
|
|
}
|
|
if err == nil && scenario.configBad {
|
|
t.Fatalf("%d. Expected bad config, but loaded ok: %s", i, scenario.config)
|
|
}
|
|
|
|
if !scenario.configBad {
|
|
a := mapper.Mappings[0].Action
|
|
if scenario.expectedAction != a {
|
|
t.Fatalf("%d: Expected action %v, got %v", i, scenario.expectedAction, a)
|
|
}
|
|
}
|
|
}
|
|
}
|