forked from mirrors/statsd_exporter
864 lines
18 KiB
Go
864 lines
18 KiB
Go
// Copyright 2013 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package mapper
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import (
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"testing"
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"time"
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)
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type mappings []struct {
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statsdMetric string
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name string
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labels map[string]string
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quantiles []metricObjective
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notPresent bool
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ttl time.Duration
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metricType MetricType
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}
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func TestMetricMapperYAML(t *testing.T) {
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scenarios := []struct {
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config string
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configBad bool
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mappings mappings
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}{
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// Empty config.
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{},
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// Config with several mapping definitions.
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{
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config: `---
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mappings:
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- match: test.dispatcher.*.*.*
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name: "dispatch_events"
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labels:
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processor: "$1"
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action: "$2"
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result: "$3"
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job: "test_dispatcher"
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- match: test.my-dispatch-host01.name.dispatcher.*.*.*
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name: "host_dispatch_events"
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labels:
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processor: "$1"
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action: "$2"
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result: "$3"
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job: "test_dispatcher"
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- match: request_time.*.*.*.*.*.*.*.*.*.*.*.*
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name: "tyk_http_request"
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labels:
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method_and_path: "${1}"
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response_code: "${2}"
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apikey: "${3}"
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apiversion: "${4}"
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apiname: "${5}"
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apiid: "${6}"
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ipv4_t1: "${7}"
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ipv4_t2: "${8}"
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ipv4_t3: "${9}"
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ipv4_t4: "${10}"
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orgid: "${11}"
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oauthid: "${12}"
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- match: "*.*"
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name: "catchall"
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labels:
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first: "$1"
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second: "$2"
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third: "$3"
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job: "$1-$2-$3"
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- match: (.*)\.(.*)-(.*)\.(.*)
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match_type: regex
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name: "proxy_requests_total"
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labels:
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job: "$1"
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protocol: "$2"
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endpoint: "$3"
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result: "$4"
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`,
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mappings: mappings{
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{
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statsdMetric: "test.dispatcher.FooProcessor.send.succeeded",
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name: "dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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{
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statsdMetric: "test.my-dispatch-host01.name.dispatcher.FooProcessor.send.succeeded",
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name: "host_dispatch_events",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"result": "succeeded",
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"job": "test_dispatcher",
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},
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},
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{
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statsdMetric: "request_time.get/threads/1/posts.200.00000000.nonversioned.discussions.a11bbcdf0ac64ec243658dc64b7100fb.172.20.0.1.12ba97b7eaa1a50001000001.",
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name: "tyk_http_request",
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labels: map[string]string{
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"method_and_path": "get/threads/1/posts",
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"response_code": "200",
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"apikey": "00000000",
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"apiversion": "nonversioned",
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"apiname": "discussions",
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"apiid": "a11bbcdf0ac64ec243658dc64b7100fb",
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"ipv4_t1": "172",
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"ipv4_t2": "20",
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"ipv4_t3": "0",
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"ipv4_t4": "1",
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"orgid": "12ba97b7eaa1a50001000001",
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"oauthid": "",
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},
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},
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{
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statsdMetric: "foo.bar",
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name: "catchall",
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labels: map[string]string{
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"first": "foo",
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"second": "bar",
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"third": "",
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"job": "foo-bar-",
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},
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},
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{
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statsdMetric: "foo.bar.baz",
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},
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{
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statsdMetric: "proxy-1.http-goober.success",
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name: "proxy_requests_total",
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labels: map[string]string{
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"job": "proxy-1",
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"protocol": "http",
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"endpoint": "goober",
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"result": "success",
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},
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},
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},
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},
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//Config with backtracking
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{
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config: `
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defaults:
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glob_disable_ordering: true
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mappings:
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- match: backtrack.*.bbb
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name: "testb"
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labels:
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label: "${1}_foo"
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- match: backtrack.justatest.aaa
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name: "testa"
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labels:
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label: "${1}_foo"
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`,
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mappings: mappings{
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{
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statsdMetric: "backtrack.good.bbb",
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name: "testb",
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labels: map[string]string{
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"label": "good_foo",
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},
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},
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{
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statsdMetric: "backtrack.justatest.bbb",
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name: "testb",
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labels: map[string]string{
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"label": "justatest_foo",
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},
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},
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{
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statsdMetric: "backtrack.justatest.aaa",
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name: "testa",
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labels: map[string]string{
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"label": "_foo",
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},
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},
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},
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},
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//Config with backtracking, the non-matched rule has star(s)
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// A metric like full.name.anothertest will first match full.name.* and then tries
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// to match *.dummy.* and then failed.
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// This test case makes sure the captures in the non-matched later rule
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// doesn't affect the captures in the first matched rule.
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{
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config: `
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defaults:
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glob_disable_ordering: false
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mappings:
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- match: '*.dummy.*'
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name: metric_one
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labels:
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system: $1
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attribute: $2
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- match: 'full.name.*'
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name: metric_two
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labels:
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system: static
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attribute: $1
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`,
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mappings: mappings{
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{
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statsdMetric: "whatever.dummy.test",
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name: "metric_one",
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labels: map[string]string{
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"system": "whatever",
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"attribute": "test",
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},
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},
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{
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statsdMetric: "full.name.anothertest",
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name: "metric_two",
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labels: map[string]string{
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"system": "static",
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"attribute": "anothertest",
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},
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},
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},
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},
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//Config with super sets, disables ordering
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{
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config: `
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defaults:
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glob_disable_ordering: true
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mappings:
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- match: noorder.*.*
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name: "testa"
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labels:
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label: "${1}_foo"
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- match: noorder.*.bbb
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name: "testb"
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labels:
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label: "${1}_foo"
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- match: noorder.ccc.bbb
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name: "testc"
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labels:
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label: "ccc_foo"
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`,
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mappings: mappings{
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{
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statsdMetric: "noorder.good.bbb",
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name: "testb",
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labels: map[string]string{
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"label": "good_foo",
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},
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},
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{
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statsdMetric: "noorder.ccc.bbb",
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name: "testc",
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labels: map[string]string{
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"label": "ccc_foo",
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},
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},
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},
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},
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//Config with super sets, keeps ordering
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{
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config: `
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defaults:
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glob_disable_ordering: false
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mappings:
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- match: order.*.*
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name: "testa"
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labels:
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label: "${1}_foo"
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- match: order.*.bbb
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name: "testb"
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labels:
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label: "${1}_foo"
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`,
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mappings: mappings{
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{
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statsdMetric: "order.good.bbb",
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name: "testa",
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labels: map[string]string{
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"label": "good_foo",
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},
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},
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},
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},
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// Config with bad regex reference.
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{
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config: `---
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mappings:
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- match: test.*
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name: "name"
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labels:
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label: "$1_foo"
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`,
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mappings: mappings{
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{
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statsdMetric: "test.a",
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name: "name",
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labels: map[string]string{
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"label": "",
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},
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},
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},
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},
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// Config with good regex reference.
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{
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config: `
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mappings:
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- match: test.*
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name: "name"
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labels:
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label: "${1}_foo"
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`,
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mappings: mappings{
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{
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statsdMetric: "test.a",
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name: "name",
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labels: map[string]string{
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"label": "a_foo",
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},
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},
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},
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},
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// Config with bad metric line.
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{
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config: `---
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mappings:
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- match: bad--metric-line.*.*
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name: "foo"
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labels: {}
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`,
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configBad: true,
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},
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// Config with dynamic metric name.
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{
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config: `---
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mappings:
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- match: test1.*.*
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name: "$1"
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labels: {}
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- match: test2.*.*
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name: "${1}_$2"
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labels: {}
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- match: test3\.(\w+)\.(\w+)
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match_type: regex
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name: "${2}_$1"
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labels: {}
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`,
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mappings: mappings{
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{
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statsdMetric: "test1.total_requests.count",
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name: "total_requests",
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},
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{
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statsdMetric: "test2.total_requests.count",
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name: "total_requests_count",
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},
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{
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statsdMetric: "test3.total_requests.count",
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name: "count_total_requests",
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},
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},
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},
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// Config with bad metric name.
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{
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config: `---
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mappings:
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- match: test.*.*
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name: "0foo"
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labels: {}
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`,
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configBad: true,
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},
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// Config with no metric name.
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{
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config: `---
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mappings:
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- match: test.*.*
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labels:
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this: "$1"
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`,
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configBad: true,
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},
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// Config with no mappings.
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{
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config: ``,
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mappings: mappings{},
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},
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// Config without a trailing newline.
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{
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config: `mappings:
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- match: test.*
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name: "name"
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labels:
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label: "${1}_foo"`,
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mappings: mappings{
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{
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statsdMetric: "test.a",
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name: "name",
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labels: map[string]string{
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"label": "a_foo",
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},
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},
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},
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},
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// Config with an improperly escaped *.
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{
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config: `
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mappings:
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- match: *.test.*
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name: "name"
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labels:
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label: "${1}_foo"`,
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configBad: true,
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},
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// Config with a properly escaped *.
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{
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config: `
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mappings:
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- match: "*.test.*"
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name: "name"
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labels:
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label: "${2}_foo"`,
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mappings: mappings{
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{
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statsdMetric: "foo.test.a",
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name: "name",
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labels: map[string]string{
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"label": "a_foo",
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},
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},
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},
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},
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// Config with good timer type.
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{
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config: `---
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mappings:
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- match: test.*.*
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timer_type: summary
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name: "foo"
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labels: {}
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quantiles:
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- quantile: 0.42
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error: 0.04
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- quantile: 0.7
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error: 0.002
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`,
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mappings: mappings{
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{
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statsdMetric: "test.*.*",
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name: "foo",
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labels: map[string]string{},
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quantiles: []metricObjective{
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{Quantile: 0.42, Error: 0.04},
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{Quantile: 0.7, Error: 0.002},
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},
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},
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},
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},
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{
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config: `---
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mappings:
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- match: test1.*.*
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timer_type: summary
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name: "foo"
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labels: {}
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`,
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mappings: mappings{
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{
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statsdMetric: "test1.*.*",
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name: "foo",
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labels: map[string]string{},
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quantiles: []metricObjective{
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{Quantile: 0.5, Error: 0.05},
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{Quantile: 0.9, Error: 0.01},
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{Quantile: 0.99, Error: 0.001},
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},
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},
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},
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},
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// Config with bad timer type.
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{
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config: `---
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mappings:
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- match: test.*.*
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timer_type: wrong
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name: "foo"
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labels: {}
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`,
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configBad: true,
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},
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// Config with good metric type.
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{
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config: `---
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mappings:
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- match: test.*.*
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match_metric_type: counter
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name: "foo"
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labels: {}
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`,
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},
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// Config with bad metric type matcher.
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{
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config: `---
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mappings:
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- match: test.*.*
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match_metric_type: wrong
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name: "foo"
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labels: {}
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`,
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configBad: true,
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},
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// Config with multiple explicit metric types
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{
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config: `---
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mappings:
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- match: test.foo.*
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name: "test_foo_sum"
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match_metric_type: counter
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- match: test.foo.*
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name: "test_foo_current"
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match_metric_type: gauge
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`,
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mappings: mappings{
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{
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statsdMetric: "test.foo.test",
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name: "test_foo_sum",
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metricType: MetricTypeCounter,
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},
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{
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statsdMetric: "test.foo.test",
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name: "test_foo_current",
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metricType: MetricTypeGauge,
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},
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},
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},
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//Config with uncompilable regex.
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{
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config: `---
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mappings:
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- match: "*\\.foo"
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match_type: regex
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name: "foo"
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labels: {}
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`,
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configBad: true,
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},
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//Config with non-matched metric.
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{
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config: `---
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mappings:
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- match: foo.*.*
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timer_type: summary
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name: "foo"
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labels: {}
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`,
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mappings: mappings{
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{
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statsdMetric: "test.1.2",
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name: "test_1_2",
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labels: map[string]string{},
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notPresent: true,
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},
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},
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},
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//Config with no name.
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{
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config: `---
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mappings:
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- match: *\.foo
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match_type: regex
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labels:
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bar: "foo"
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`,
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configBad: true,
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},
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// Example from the README.
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|
{
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config: `
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mappings:
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- match: test.dispatcher.*.*.*
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name: "dispatcher_events_total"
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labels:
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processor: "$1"
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action: "$2"
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outcome: "$3"
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job: "test_dispatcher"
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- match: "*.signup.*.*"
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name: "signup_events_total"
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labels:
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provider: "$2"
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outcome: "$3"
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job: "${1}_server"
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`,
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mappings: mappings{
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{
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statsdMetric: "test.dispatcher.FooProcessor.send.success",
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name: "dispatcher_events_total",
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labels: map[string]string{
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"processor": "FooProcessor",
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"action": "send",
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"outcome": "success",
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"job": "test_dispatcher",
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},
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},
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{
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statsdMetric: "foo_product.signup.facebook.failure",
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name: "signup_events_total",
|
|
labels: map[string]string{
|
|
"provider": "facebook",
|
|
"outcome": "failure",
|
|
"job": "foo_product_server",
|
|
},
|
|
},
|
|
{
|
|
statsdMetric: "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{
|
|
{
|
|
statsdMetric: "test.a",
|
|
},
|
|
{
|
|
statsdMetric: "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{
|
|
{
|
|
statsdMetric: "test.a",
|
|
},
|
|
{
|
|
statsdMetric: "web.localhost",
|
|
name: "web",
|
|
labels: map[string]string{
|
|
"site": "localhost",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
// Config that has a ttl.
|
|
{
|
|
config: `mappings:
|
|
- match: web.*
|
|
name: "web"
|
|
ttl: 10s
|
|
labels:
|
|
site: "$1"`,
|
|
mappings: mappings{
|
|
{
|
|
statsdMetric: "test.a",
|
|
},
|
|
{
|
|
statsdMetric: "web.localhost",
|
|
name: "web",
|
|
labels: map[string]string{
|
|
"site": "localhost",
|
|
},
|
|
ttl: time.Second * 10,
|
|
},
|
|
},
|
|
},
|
|
// Config that has a default ttl.
|
|
{
|
|
config: `defaults:
|
|
ttl: 1m2s
|
|
mappings:
|
|
- match: web.*
|
|
name: "web"
|
|
labels:
|
|
site: "$1"`,
|
|
mappings: mappings{
|
|
{
|
|
statsdMetric: "test.a",
|
|
},
|
|
{
|
|
statsdMetric: "web.localhost",
|
|
name: "web",
|
|
labels: map[string]string{
|
|
"site": "localhost",
|
|
},
|
|
ttl: time.Minute + time.Second*2,
|
|
},
|
|
},
|
|
},
|
|
// Config that override a default ttl.
|
|
{
|
|
config: `defaults:
|
|
ttl: 1m2s
|
|
mappings:
|
|
- match: web.*
|
|
name: "web"
|
|
ttl: 5s
|
|
labels:
|
|
site: "$1"`,
|
|
mappings: mappings{
|
|
{
|
|
statsdMetric: "test.a",
|
|
},
|
|
{
|
|
statsdMetric: "web.localhost",
|
|
name: "web",
|
|
labels: map[string]string{
|
|
"site": "localhost",
|
|
},
|
|
ttl: time.Second * 5,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
mapper := MetricMapper{}
|
|
for i, scenario := range scenarios {
|
|
err := mapper.InitFromYAMLString(scenario.config, 1000)
|
|
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 {
|
|
// exporter will call mapper.GetMapping with valid MetricType
|
|
// so we also pass a sane MetricType in testing if it's not specified
|
|
mapType := mapping.metricType
|
|
if mapType == "" {
|
|
mapType = MetricTypeCounter
|
|
}
|
|
m, labels, present := mapper.GetMapping(mapping.statsdMetric, mapType)
|
|
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)
|
|
}
|
|
}
|
|
if mapping.ttl > 0 && mapping.ttl != m.Ttl {
|
|
t.Fatalf("%d.%q: Expected ttl of %s, got %s", i, metric, mapping.ttl.String(), m.Ttl.String())
|
|
}
|
|
if mapping.metricType != "" && mapType != m.MatchMetricType {
|
|
t.Fatalf("%d.%q: Expected match metric of %s, got %s", i, metric, mapType, m.MatchMetricType)
|
|
}
|
|
|
|
if len(mapping.quantiles) != 0 {
|
|
if len(mapping.quantiles) != len(m.Quantiles) {
|
|
t.Fatalf("%d.%q: Expected %d quantiles, got %d", i, metric, len(mapping.quantiles), len(m.Quantiles))
|
|
}
|
|
for i, quantile := range mapping.quantiles {
|
|
if quantile.Quantile != m.Quantiles[i].Quantile {
|
|
t.Fatalf("%d.%q: Expected quantile %v, got %v", i, metric, m.Quantiles[i].Quantile, quantile.Quantile)
|
|
}
|
|
if quantile.Error != m.Quantiles[i].Error {
|
|
t.Fatalf("%d.%q: Expected Error margin %v, got %v", i, metric, m.Quantiles[i].Error, quantile.Error)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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, 0)
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
}
|