init
This commit is contained in:
Dmitry Vasiliev
commit
b3b54aaae7
1
.gitignore
vendored
Normal file
1
.gitignore
vendored
Normal file
|
|
@ -0,0 +1 @@
|
|||
.idea
|
||||
31
cmd/config.go
Normal file
31
cmd/config.go
Normal file
|
|
@ -0,0 +1,31 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"io/ioutil"
|
||||
"time"
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||||
|
||||
"gopkg.in/yaml.v2"
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||||
)
|
||||
|
||||
type source struct {
|
||||
Url string `yaml:"url"`
|
||||
Labels map[string]string `yaml:"labels"`
|
||||
}
|
||||
|
||||
type config struct {
|
||||
Listen string `yaml:"listen"`
|
||||
Timeout time.Duration `yaml:"timeout"`
|
||||
Sources []*source `yaml:"sources"`
|
||||
}
|
||||
|
||||
func parseConfig(filename string) (*config, error) {
|
||||
data, err := ioutil.ReadFile(filename)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
result := &config{
|
||||
Listen: ":8080",
|
||||
Timeout: 15 * time.Second,
|
||||
}
|
||||
return result, yaml.Unmarshal(data, result)
|
||||
}
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||||
25
cmd/handler.go
Normal file
25
cmd/handler.go
Normal file
|
|
@ -0,0 +1,25 @@
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|||
package main
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||||
|
||||
import (
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||||
"log"
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||||
"net/http"
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||||
|
||||
"github.com/vadv/prometheus-exporter-merger/merger"
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||||
)
|
||||
|
||||
type handler struct {
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||||
m merger.Merger
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||||
}
|
||||
|
||||
func (h *handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
switch r.URL.Path {
|
||||
case "/healthz":
|
||||
w.WriteHeader(http.StatusOK)
|
||||
default:
|
||||
err := h.m.Merge(w)
|
||||
if err != nil {
|
||||
log.Printf("[ERROR] %s\n", err.Error())
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
}
|
||||
}
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||||
}
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49
cmd/main.go
Normal file
49
cmd/main.go
Normal file
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|
@ -0,0 +1,49 @@
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package main
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||||
|
||||
import (
|
||||
"context"
|
||||
"flag"
|
||||
"net/http"
|
||||
"os"
|
||||
"os/signal"
|
||||
"time"
|
||||
|
||||
prom "github.com/prometheus/client_model/go"
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||||
"github.com/vadv/prometheus-exporter-merger/merger"
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||||
)
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||||
|
||||
func main() {
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||||
|
||||
var (
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configPath = flag.String("config", "config.yaml", "Path to config")
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||||
)
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flag.Parse()
|
||||
|
||||
c, err := parseConfig(*configPath)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
m := merger.New(c.Timeout)
|
||||
for _, s := range c.Sources {
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||||
var labels []*prom.LabelPair
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||||
for k, v := range s.Labels {
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||||
k, v := k, v
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||||
labels = append(labels, &prom.LabelPair{Name: &k, Value: &v})
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||||
}
|
||||
m.AddSource(s.Url, labels)
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||||
}
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|
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srv := &http.Server{Addr: c.Listen, Handler: &handler{m: m}}
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go srv.ListenAndServe()
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|
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stop := make(chan os.Signal, 1)
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||||
signal.Notify(stop, os.Interrupt)
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<-stop
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||||
|
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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||||
defer cancel()
|
||||
if err := srv.Shutdown(ctx); err != nil {
|
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panic(err)
|
||||
}
|
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}
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9
example.yaml
Normal file
9
example.yaml
Normal file
|
|
@ -0,0 +1,9 @@
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|||
listen: :8080
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||||
timeout: 20s
|
||||
sources:
|
||||
- url: http://127.0.0.1:8081/metrics
|
||||
labels:
|
||||
key1: value1
|
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- url: http://127.0.0.1:8082/metrics
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labels:
|
||||
key2: value2
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||||
11
go.mod
Normal file
11
go.mod
Normal file
|
|
@ -0,0 +1,11 @@
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module github.com/vadv/prometheus-exporter-merger
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go 1.14
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require (
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github.com/pkg/errors v0.8.1
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github.com/prometheus/client_model v0.2.0
|
||||
github.com/prometheus/common v0.10.0
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||||
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4
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||||
gopkg.in/yaml.v2 v2.2.4
|
||||
)
|
||||
65
go.sum
Normal file
65
go.sum
Normal file
|
|
@ -0,0 +1,65 @@
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|||
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
|
||||
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
|
||||
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
|
||||
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
|
||||
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
|
||||
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
|
||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
|
||||
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
|
||||
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
|
||||
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
|
||||
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
|
||||
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
|
||||
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
|
||||
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
|
||||
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
|
||||
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
|
||||
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
|
||||
github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
|
||||
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
|
||||
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
|
||||
github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
|
||||
github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
|
||||
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
|
||||
github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
|
||||
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
|
||||
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
|
||||
github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2dUR+/W/M=
|
||||
github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
|
||||
github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
|
||||
github.com/prometheus/common v0.10.0 h1:RyRA7RzGXQZiW+tGMr7sxa85G1z0yOpM1qq5c8lNawc=
|
||||
github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
|
||||
github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
|
||||
github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
|
||||
github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
|
||||
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
|
||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
|
||||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
|
||||
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
|
||||
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
73
merger/merge.go
Normal file
73
merger/merge.go
Normal file
|
|
@ -0,0 +1,73 @@
|
|||
package merger
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"io"
|
||||
"sort"
|
||||
"sync"
|
||||
|
||||
"github.com/pkg/errors"
|
||||
prom "github.com/prometheus/client_model/go"
|
||||
"github.com/prometheus/common/expfmt"
|
||||
"golang.org/x/sync/errgroup"
|
||||
)
|
||||
|
||||
func (m *merger) merge(ctx context.Context, w io.Writer) error {
|
||||
|
||||
mu := &sync.Mutex{}
|
||||
result := map[string]*prom.MetricFamily{}
|
||||
|
||||
g, ctx := errgroup.WithContext(ctx)
|
||||
for _, source := range m.sources {
|
||||
source := source
|
||||
g.Go(func() error {
|
||||
resp, err := m.client.Get(source.url)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, fmt.Sprintf("get url: %s", source.url))
|
||||
}
|
||||
defer resp.Body.Close()
|
||||
tp := new(expfmt.TextParser)
|
||||
out, err := tp.TextToMetricFamilies(resp.Body)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, fmt.Sprintf("parse url: %s", source.url))
|
||||
}
|
||||
mu.Lock()
|
||||
defer mu.Unlock()
|
||||
for name, metricFamily := range out {
|
||||
// append metrics
|
||||
for _, metric := range metricFamily.Metric {
|
||||
metric.Label = append(metric.Label, source.labels...)
|
||||
}
|
||||
if mfResult, ok := result[name]; ok {
|
||||
mfResult.Metric = append(mfResult.Metric, metricFamily.Metric...)
|
||||
} else {
|
||||
result[name] = metricFamily
|
||||
}
|
||||
}
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
// wait to process all routines
|
||||
if err := g.Wait(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// sort names
|
||||
var names []string
|
||||
for n := range result {
|
||||
names = append(names, n)
|
||||
}
|
||||
sort.Strings(names)
|
||||
|
||||
// write result
|
||||
enc := expfmt.NewEncoder(w, expfmt.FmtText)
|
||||
for _, n := range names {
|
||||
err := enc.Encode(result[n])
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
62
merger/merger.go
Normal file
62
merger/merger.go
Normal file
|
|
@ -0,0 +1,62 @@
|
|||
package merger
|
||||
|
||||
import (
|
||||
"context"
|
||||
"io"
|
||||
"net/http"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
prom "github.com/prometheus/client_model/go"
|
||||
)
|
||||
|
||||
type Merger interface {
|
||||
Merge(w io.Writer) error
|
||||
AddSource(url string, labels []*prom.LabelPair)
|
||||
}
|
||||
|
||||
type merger struct {
|
||||
mu sync.Mutex
|
||||
timeout time.Duration
|
||||
client *http.Client
|
||||
sources []*source
|
||||
}
|
||||
|
||||
type source struct {
|
||||
url string
|
||||
labels []*prom.LabelPair
|
||||
}
|
||||
|
||||
func New(timeout time.Duration) Merger {
|
||||
client := &http.Client{
|
||||
Transport: &http.Transport{
|
||||
DisableKeepAlives: false,
|
||||
DisableCompression: false,
|
||||
MaxIdleConns: 1,
|
||||
MaxIdleConnsPerHost: 1,
|
||||
MaxConnsPerHost: 10,
|
||||
IdleConnTimeout: 5 * time.Minute,
|
||||
},
|
||||
Timeout: timeout,
|
||||
}
|
||||
return &merger{
|
||||
timeout: timeout,
|
||||
client: client,
|
||||
}
|
||||
}
|
||||
|
||||
// AddSource new source
|
||||
func (m *merger) AddSource(url string, labels []*prom.LabelPair) {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
m.sources = append(m.sources, &source{url: url, labels: labels})
|
||||
}
|
||||
|
||||
// Merge sources
|
||||
func (m *merger) Merge(w io.Writer) error {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
ctx, cancel := context.WithTimeout(context.Background(), m.timeout)
|
||||
defer cancel()
|
||||
return m.merge(ctx, w)
|
||||
}
|
||||
71
merger/merger_test.go
Normal file
71
merger/merger_test.go
Normal file
|
|
@ -0,0 +1,71 @@
|
|||
package merger_test
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"net"
|
||||
"net/http"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
prom "github.com/prometheus/client_model/go"
|
||||
|
||||
"github.com/vadv/prometheus-exporter-merger/merger"
|
||||
)
|
||||
|
||||
const (
|
||||
data1 = `
|
||||
# TYPE fluentbit_filter_add_records_total counter
|
||||
fluentbit_filter_add_records_total{name="kubernetes.0"} 0 1589716338403
|
||||
fluentbit_filter_add_records_total{name="lua.1"} 0 1589716338403
|
||||
fluentbit_filter_add_records_total{name="lua.2"} 0 1589716338403
|
||||
fluentbit_filter_add_records_total{name="lua.3"} 0 1589716338403
|
||||
fluentbit_filter_add_records_total{name="kubernetes.0"} 0 1589716338417
|
||||
`
|
||||
data2 = `
|
||||
# TYPE fluentbit_filter_add_records_total counter
|
||||
fluentbit_filter_add_records_total{name="lua.1"} 0 1589716338417
|
||||
fluentbit_filter_add_records_total{name="rewrite_tag.2"} 0 1589716338417
|
||||
`
|
||||
result = `# TYPE fluentbit_filter_add_records_total counter
|
||||
fluentbit_filter_add_records_total{name="lua.1",url="value2"} 0 1589716338417
|
||||
fluentbit_filter_add_records_total{name="rewrite_tag.2",url="value2"} 0 1589716338417
|
||||
fluentbit_filter_add_records_total{name="kubernetes.0",url="value1"} 0 1589716338403
|
||||
fluentbit_filter_add_records_total{name="lua.1",url="value1"} 0 1589716338403
|
||||
fluentbit_filter_add_records_total{name="lua.2",url="value1"} 0 1589716338403
|
||||
fluentbit_filter_add_records_total{name="lua.3",url="value1"} 0 1589716338403
|
||||
fluentbit_filter_add_records_total{name="kubernetes.0",url="value1"} 0 1589716338417
|
||||
`
|
||||
)
|
||||
|
||||
func Test_Merger(t *testing.T) {
|
||||
|
||||
listener, err := net.Listen("tcp", ":0")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
http.HandleFunc("/data_1", func(w http.ResponseWriter, r *http.Request) {
|
||||
fmt.Fprintf(w, data1)
|
||||
})
|
||||
http.HandleFunc("/data_2", func(w http.ResponseWriter, r *http.Request) {
|
||||
fmt.Fprintf(w, data2)
|
||||
})
|
||||
go http.Serve(listener, nil)
|
||||
|
||||
urlPrefix := fmt.Sprintf("http://127.0.0.1:%d", listener.Addr().(*net.TCPAddr).Port)
|
||||
|
||||
url, value1, value2 := "url", "value1", "value2"
|
||||
label1 := []*prom.LabelPair{{Name: &url, Value: &value1}}
|
||||
label2 := []*prom.LabelPair{{Name: &url, Value: &value2}}
|
||||
|
||||
m := merger.New(time.Second)
|
||||
m.AddSource(urlPrefix+"/data_1", label1)
|
||||
m.AddSource(urlPrefix+"/data_2", label2)
|
||||
|
||||
out := bytes.NewBuffer(make([]byte, 0))
|
||||
m.Merge(out)
|
||||
|
||||
if out.String() != result {
|
||||
t.Fatalf("get:\n%s\nexcept:\n%s\n", out.String(), result)
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user