Manfred Touron 5448f25fd6
glide up
2017-05-18 23:33:43 +02:00

64 lines
1.7 KiB
Go

package main
import (
"net/http"
"os"
stdprometheus "github.com/prometheus/client_golang/prometheus"
"golang.org/x/net/context"
"github.com/go-kit/kit/log"
kitprometheus "github.com/go-kit/kit/metrics/prometheus"
httptransport "github.com/go-kit/kit/transport/http"
)
func main() {
ctx := context.Background()
logger := log.NewLogfmtLogger(os.Stderr)
fieldKeys := []string{"method", "error"}
requestCount := kitprometheus.NewCounterFrom(stdprometheus.CounterOpts{
Namespace: "my_group",
Subsystem: "string_service",
Name: "request_count",
Help: "Number of requests received.",
}, fieldKeys)
requestLatency := kitprometheus.NewSummaryFrom(stdprometheus.SummaryOpts{
Namespace: "my_group",
Subsystem: "string_service",
Name: "request_latency_microseconds",
Help: "Total duration of requests in microseconds.",
}, fieldKeys)
countResult := kitprometheus.NewSummaryFrom(stdprometheus.SummaryOpts{
Namespace: "my_group",
Subsystem: "string_service",
Name: "count_result",
Help: "The result of each count method.",
}, []string{}) // no fields here
var svc StringService
svc = stringService{}
svc = loggingMiddleware{logger, svc}
svc = instrumentingMiddleware{requestCount, requestLatency, countResult, svc}
uppercaseHandler := httptransport.NewServer(
ctx,
makeUppercaseEndpoint(svc),
decodeUppercaseRequest,
encodeResponse,
)
countHandler := httptransport.NewServer(
ctx,
makeCountEndpoint(svc),
decodeCountRequest,
encodeResponse,
)
http.Handle("/uppercase", uppercaseHandler)
http.Handle("/count", countHandler)
http.Handle("/metrics", stdprometheus.Handler())
logger.Log("msg", "HTTP", "addr", ":8080")
logger.Log("err", http.ListenAndServe(":8080", nil))
}