/
wiring.go
83 lines (70 loc) · 2.51 KB
/
wiring.go
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/*
* MIT License
*
* Copyright (c) 2020 manager
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package payment
import (
"net/http"
"os"
"github.com/go-kit/kit/log"
"golang.org/x/net/context"
stdopentracing "github.com/opentracing/opentracing-go"
"github.com/prometheus/client_golang/prometheus"
"github.com/weaveworks/common/middleware"
)
var (
HTTPLatency = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Name: "request_duration_seconds",
Help: "Time (in seconds) spent serving HTTP requests.",
Buckets: prometheus.DefBuckets,
}, []string{"method", "route", "status_code", "isWS"})
)
func init() {
prometheus.MustRegister(HTTPLatency)
}
func WireUp(ctx context.Context, declineAmount float32, tracer stdopentracing.Tracer, serviceName string) (http.Handler, log.Logger) {
// Log domain.
var logger log.Logger
{
logger = log.NewLogfmtLogger(os.Stderr)
logger = log.NewContext(logger).With("ts", log.DefaultTimestampUTC)
logger = log.NewContext(logger).With("caller", log.DefaultCaller)
}
// Service domain.
var service Service
{
service = NewAuthorisationService(declineAmount)
service = LoggingMiddleware(logger)(service)
}
// Endpoint domain.
endpoints := MakeEndpoints(service, tracer)
router := MakeHTTPHandler(ctx, endpoints, logger, tracer)
httpMiddleware := []middleware.Interface{
middleware.Instrument{
Duration: HTTPLatency,
RouteMatcher: router,
},
}
// Handler
handler := middleware.Merge(httpMiddleware...).Wrap(router)
return handler, logger
}