From d4124c5a4cdd95dc54ac629bc9200527bba56d62 Mon Sep 17 00:00:00 2001
From: Jonathan KUMA <jonathan.kuma@gmail.com>
Date: Fri, 28 Apr 2023 10:13:22 +0200
Subject: [PATCH] [Middleware] Move GCP Log middlware to
 https://code.musicworldmedia.com/server/gapi-addons

---
 middleware/gcp_log.go | 75 -------------------------------------------
 1 file changed, 75 deletions(-)
 delete mode 100644 middleware/gcp_log.go

diff --git a/middleware/gcp_log.go b/middleware/gcp_log.go
deleted file mode 100644
index e7e1990..0000000
--- a/middleware/gcp_log.go
+++ /dev/null
@@ -1,75 +0,0 @@
-package middleware
-
-import (
-	"context"
-	"net/http"
-	"os"
-	"sync"
-
-	"cloud.google.com/go/logging"
-	"github.com/google/uuid"
-
-	"github.com/mwm-io/gapi/handler"
-	gLog "github.com/mwm-io/gapi/log"
-	"github.com/mwm-io/gapi/log/cloud_logging"
-)
-
-var (
-	gcpWriter   *cloud_logging.Writer
-	gcpWriterMu sync.RWMutex
-)
-
-// GCPLog use structured logs as well as Google own logging client.
-// Logs entries are grouped using a unique trace.
-type GCPLog struct {
-	Logger *gLog.Logger
-}
-
-// Wrap implements the request.Middleware interface
-func (m GCPLog) Wrap(h handler.Handler) handler.Handler {
-	return handler.Func(func(w http.ResponseWriter, r *http.Request) (interface{}, error) {
-		wr, err := writer()
-		if err != nil {
-			return nil, err
-		}
-
-		traceID := uuid.NewString()
-
-		*m.Logger = *gLog.
-			NewLogger(wr, gLog.TimestampNowOpt(), gLog.TracingOpt(traceID, "", false)).
-			WithContext(r.Context())
-
-		return h.Serve(w, r)
-	})
-}
-
-// writer return the GCP logger writer.
-func writer() (*cloud_logging.Writer, error) {
-	gcpWriterMu.RLock()
-	if gcpWriter != nil {
-		defer gcpWriterMu.RUnlock()
-
-		return gcpWriter, nil
-	}
-
-	gcpWriterMu.RUnlock()
-
-	projectID := os.Getenv("GOOGLE_CLOUD_PROJECT")
-
-	lc, err := logging.NewClient(context.Background(), "projects/"+projectID)
-	if err != nil {
-		return nil, err
-	}
-
-	setWriter(cloud_logging.NewWriter(lc.Logger(projectID), projectID))
-
-	return writer()
-}
-
-// setWriter sets gcp logger writer.
-func setWriter(w *cloud_logging.Writer) {
-	gcpWriterMu.Lock()
-	defer gcpWriterMu.Unlock()
-
-	gcpWriter = w
-}