// NewHandler returns a new instance of handler with routes.
func NewHandler(
requireAuthentication,
loggingEnabled,
writeTrace,
allowGzip bool,
statMap *expvar.Map,
l *log.Logger,
li logging.Interface,
sharedSecret string,
) *Handler {
h := &Handler{
methodMux: make(map[string]*ServeMux),
requireAuthentication: requireAuthentication,
sharedSecret: sharedSecret,
allowGzip: allowGzip,
logger: l,
writeTrace: writeTrace,
clfLogger: li.NewRawLogger("[httpd] ", 0),
loggingEnabled: loggingEnabled,
statMap: statMap,
}
allowedMethods := []string{
"GET",
"POST",
"PATCH",
"DELETE",
"HEAD",
"OPTIONS",
}
for _, method := range allowedMethods {
h.methodMux[method] = NewServeMux()
route := Route{
// Catch all 404
Name: "404",
Method: method,
Pattern: "/",
HandlerFunc: h.serve404,
}
h.addRawRoute(route)
}
h.addRawRoutes([]Route{
{
// Ping
Name: "ping",
Method: "GET",
Pattern: BasePath + "/ping",
HandlerFunc: h.servePing,
},
{
// Ping
Name: "ping-head",
Method: "HEAD",
Pattern: BasePath + "/ping",
HandlerFunc: h.servePing,
},
{
// Data-ingest route.
Name: "write",
Method: "POST",
Pattern: BasePath + "/write",
HandlerFunc: h.serveWrite,
},
{
// Satisfy CORS checks.
Name: "write",
Method: "OPTIONS",
Pattern: BasePath + "/write",
HandlerFunc: ServeOptions,
},
{
// Data-ingest route for /write endpoint without base path
Name: "write-raw",
Method: "POST",
Pattern: "/write",
HandlerFunc: h.serveWrite,
},
{
// Satisfy CORS checks.
Name: "write-raw",
Method: "OPTIONS",
Pattern: "/write",
HandlerFunc: ServeOptions,
},
{
// Display current API routes
Name: "routes",
Method: "GET",
Pattern: BasePath + "/:routes",
HandlerFunc: h.serveRoutes,
},
{
// Change current log level
Name: "log-level",
Method: "POST",
Pattern: BasePath + "/loglevel",
HandlerFunc: h.serveLogLevel,
},
{
Name: "pprof",
Method: "GET",
Pattern: BasePath + "/debug/pprof/",
HandlerFunc: pprof.Index,
noJSON: true,
},
{
Name: "pprof/cmdline",
Method: "GET",
Pattern: BasePath + "/debug/pprof/cmdline",
HandlerFunc: pprof.Cmdline,
noJSON: true,
},
{
Name: "pprof/profile",
Method: "GET",
Pattern: BasePath + "/debug/pprof/profile",
HandlerFunc: pprof.Profile,
noJSON: true,
},
{
Name: "pprof/symbol",
Method: "GET",
Pattern: BasePath + "/debug/pprof/symbol",
HandlerFunc: pprof.Symbol,
noJSON: true,
},
{
Name: "pprof/trace",
Method: "GET",
Pattern: BasePath + "/debug/pprof/trace",
HandlerFunc: pprof.Trace,
noJSON: true,
},
{
Name: "debug/vars",
Method: "GET",
Pattern: BasePath + "/debug/vars",
HandlerFunc: serveExpvar,
},
})
return h
}
