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Prometheus: UTF8 metrics for prometheus devenv (#98237)
* utf8 metrics for prometheus devenv * add label value with quotes
This commit is contained in:
ismail simsek
GitHub
parent
c3b0eb6277
commit
38c4f3d5ef
1
.github/CODEOWNERS
vendored
1
.github/CODEOWNERS
vendored
@ -267,6 +267,7 @@
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/devenv/docker/blocks/prometheus/ @grafana/oss-big-tent
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/devenv/docker/blocks/prometheus_random_data/ @grafana/oss-big-tent
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/devenv/docker/blocks/prometheus_high_card/ @grafana/oss-big-tent
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/devenv/docker/blocks/prometheus_utf8/ @grafana/oss-big-tent
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/devenv/docker/blocks/pyroscope/ @grafana/observability-traces-and-profiling
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/devenv/docker/blocks/redis/ @bergquist
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/devenv/docker/blocks/sensugo/ @grafana/grafana-backend-group
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@ -1,4 +1,4 @@
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FROM prom/prometheus:latest
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FROM prom/prometheus:v3.1.0
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ADD prometheus.yml /etc/prometheus/
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ADD recording.yml /etc/prometheus/
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ADD alert.yml /etc/prometheus/
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@ -15,7 +15,7 @@
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node_exporter:
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image: prom/node-exporter
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ports:
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- "9100:9100"
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- "9101:9100"
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fake-prometheus-data:
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image: grafana/fake-data-gen
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@ -42,3 +42,8 @@
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build: docker/blocks/prometheus_high_card
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ports:
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- "9111:9111"
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prometheus-utf8:
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build: docker/blocks/prometheus_utf8
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ports:
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- "9112:9112"
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@ -24,7 +24,7 @@ scrape_configs:
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- job_name: 'node_exporter'
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static_configs:
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- targets: ['node_exporter:9100']
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- targets: ['node_exporter:9101']
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- job_name: 'fake-data-gen'
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static_configs:
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@ -42,6 +42,10 @@ scrape_configs:
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static_configs:
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- targets: ['prometheus-high-card:9111']
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- job_name: 'prometheus-utf8'
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static_configs:
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- targets: [ 'prometheus-utf8:9112' ]
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- job_name: 'mysql'
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static_configs:
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- targets: ['mysql-exporter:9104']
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15
devenv/docker/blocks/prometheus_utf8/Dockerfile
Normal file
15
devenv/docker/blocks/prometheus_utf8/Dockerfile
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@ -0,0 +1,15 @@
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FROM golang:latest AS builder
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ADD main.go /
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ADD go.mod /
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ADD go.sum /
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WORKDIR /
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RUN go mod download
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RUN CGO_ENABLED=0 GOOS=linux go build -o main .
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FROM scratch
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WORKDIR /
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EXPOSE 9112
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COPY --from=builder /main /main
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ENTRYPOINT ["/main"]
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6
devenv/docker/blocks/prometheus_utf8/docker-compose.yaml
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6
devenv/docker/blocks/prometheus_utf8/docker-compose.yaml
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@ -0,0 +1,6 @@
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prometheus_utf8:
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build: docker/blocks/prometheus_utf8
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ports:
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- "3012:3012"
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extra_hosts:
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- "host.docker.internal:host-gateway"
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20
devenv/docker/blocks/prometheus_utf8/go.mod
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20
devenv/docker/blocks/prometheus_utf8/go.mod
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@ -0,0 +1,20 @@
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module utf8-support
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go 1.22.4
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require (
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github.com/prometheus/client_golang v1.20.5
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golang.org/x/exp v0.0.0-20240823005443-9b4947da3948
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)
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require (
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github.com/beorn7/perks v1.0.1 // indirect
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github.com/cespare/xxhash/v2 v2.3.0 // indirect
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github.com/klauspost/compress v1.17.9 // indirect
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
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github.com/prometheus/client_model v0.6.1 // indirect
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github.com/prometheus/common v0.60.1 // indirect
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github.com/prometheus/procfs v0.15.1 // indirect
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golang.org/x/sys v0.25.0 // indirect
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google.golang.org/protobuf v1.34.2 // indirect
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)
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34
devenv/docker/blocks/prometheus_utf8/go.sum
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34
devenv/docker/blocks/prometheus_utf8/go.sum
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@ -0,0 +1,34 @@
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github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
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github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
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github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
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github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
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github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
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github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
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github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
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github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+bR9r+8l63Y=
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github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
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github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
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github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
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github.com/prometheus/common v0.60.1 h1:FUas6GcOw66yB/73KC+BOZoFJmbo/1pojoILArPAaSc=
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github.com/prometheus/common v0.60.1/go.mod h1:h0LYf1R1deLSKtD4Vdg8gy4RuOvENW2J/h19V5NADQw=
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github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
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github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
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github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
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github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
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golang.org/x/exp v0.0.0-20240823005443-9b4947da3948 h1:kx6Ds3MlpiUHKj7syVnbp57++8WpuKPcR5yjLBjvLEA=
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golang.org/x/exp v0.0.0-20240823005443-9b4947da3948/go.mod h1:akd2r19cwCdwSwWeIdzYQGa/EZZyqcOdwWiwj5L5eKQ=
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golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
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golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
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google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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112
devenv/docker/blocks/prometheus_utf8/main.go
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112
devenv/docker/blocks/prometheus_utf8/main.go
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@ -0,0 +1,112 @@
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package main
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import (
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"fmt"
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"log"
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"net/http"
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"strconv"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/prometheus/common/model"
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"golang.org/x/exp/rand"
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)
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func randomValues(max int) func() (string, bool) {
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i := 0
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return func() (string, bool) {
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i++
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return strconv.Itoa(i), i < max+1
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}
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}
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func staticList(input []string) func() string {
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return func() string {
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i := rand.Intn(len(input))
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return input[i]
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}
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}
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type dimension struct {
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label string
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getNextValue func() string
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}
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func init() {
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// This can be removed when the default validation scheme in common is updated.
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model.NameValidationScheme = model.UTF8Validation
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model.NameEscapingScheme = model.ValueEncodingEscaping
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}
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func main() {
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fakeUtf8Metrics := []dimension{
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{
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label: "a_legacy_label",
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getNextValue: staticList([]string{"legacy"}),
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},
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{
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label: "label with space",
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getNextValue: staticList([]string{"space"}),
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},
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{
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label: "label with 📈",
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getNextValue: staticList([]string{"metrics"}),
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},
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{
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label: "label.with.spaß",
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getNextValue: staticList([]string{"this_is_fun"}),
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},
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{
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label: "site",
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getNextValue: staticList([]string{"LA-EPI"}),
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},
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{
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label: "room",
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getNextValue: staticList([]string{`"Friends Don't Lie"`}),
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},
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}
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dimensions := []string{}
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for _, dim := range fakeUtf8Metrics {
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dimensions = append(dimensions, dim.label)
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}
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utf8Metric := promauto.NewCounterVec(prometheus.CounterOpts{
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Name: "a.utf8.metric 🤘",
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Help: "a utf8 metric with utf8 labels",
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}, dimensions)
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opsProcessed := promauto.NewCounterVec(prometheus.CounterOpts{
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Name: "a_utf8_http_requests_total",
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Help: "a metric with utf8 labels",
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}, dimensions)
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http.Handle("/metrics", promhttp.Handler())
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("Hello, is it me you're looking for?"))
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})
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go func() {
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for {
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labels := []string{}
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for _, dim := range fakeUtf8Metrics {
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value := dim.getNextValue()
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labels = append(labels, value)
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}
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utf8Metric.WithLabelValues(labels...).Inc()
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opsProcessed.WithLabelValues(labels...).Inc()
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time.Sleep(time.Second * 5)
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}
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}()
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fmt.Printf("Server started at :9112\n")
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log.Fatal(http.ListenAndServe(":9112", nil))
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}
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