add request ids to logs

Makefile

@@ -2,7 +2,7 @@ BREW_PREFIX  ?= $(shell brew --prefix)
 DATABASE_URL ?= "postgres://$(USER)@localhost/apollo_test?sslmode=disable"
 
 test:
-	@DATABASE_URL=$(DATABASE_URL) go test -race -v -timeout 1s ./...
+	@DATABASE_URL=$(DATABASE_URL) go test -race -timeout 1s ./...
 
 test-setup: $(BREW_PREFIX)/bin/migrate
 	migrate -path migrations/ -database $(DATABASE_URL) up

internal/api/api.go

@@ -11,6 +11,7 @@ import (
 	"github.com/DataDog/datadog-go/statsd"
 	"github.com/bugsnag/bugsnag-go/v2"
 	"github.com/go-redis/redis/v8"
+	"github.com/gofrs/uuid"
 	"github.com/gorilla/mux"
 	"github.com/jackc/pgx/v4/pgxpool"
 	"github.com/sideshow/apns2/token"
@@ -122,6 +123,7 @@ func (a *api) Routes() *mux.Router {
 	r.HandleFunc("/v1/test/bugsnag", a.testBugsnagHandler).Methods("POST")
 
 	r.Use(a.loggingMiddleware)
+	r.Use(a.requestIdMiddleware)
 
 	return r
 }
@@ -155,6 +157,14 @@ func (lrw *LoggingResponseWriter) WriteHeader(statusCode int) {
 	lrw.statusCode = statusCode
 }
 
+func (a *api) requestIdMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		id := uuid.Must(uuid.NewV4()).String()
+		w.Header().Set("X-Apollo-Request-Id", id)
+		next.ServeHTTP(w, r)
+	})
+}
+
 func (a *api) loggingMiddleware(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		// Skip logging health checks
@@ -187,6 +197,7 @@ func (a *api) loggingMiddleware(next http.Handler) http.Handler {
 			zap.Int("response#bytes", lrw.bytes),
 			zap.Int("status", lrw.statusCode),
 			zap.String("uri", r.RequestURI),
+			zap.String("request#id", lrw.Header().Get("X-Apollo-Request-Id")),
 		}
 
 		if lrw.statusCode == 200 {