Add context to throughout the project and update logging (#2209)

propagate context from all the API calls and log request ID, account ID and peer ID

---------

Co-authored-by: Zoltan Papp <zoltan.pmail@gmail.com>

util/file.go

@@ -1,6 +1,7 @@
 package util
 
 import (
+	"context"
 	"encoding/json"
 	"io"
 	"os"
@@ -57,7 +58,7 @@ func WriteJson(file string, obj interface{}) error {
 }
 
 // DirectWriteJson writes JSON config object to a file creating parent directories if required without creating a temporary file
-func DirectWriteJson(file string, obj interface{}) error {
+func DirectWriteJson(ctx context.Context, file string, obj interface{}) error {
 
 	_, _, err := prepareConfigFileDir(file)
 	if err != nil {

util/grpc/dialer.go

@@ -27,7 +27,6 @@ func WithCustomDialer() grpc.DialOption {
 			}
 		}
 
-
 		conn, err := nbnet.NewDialer().DialContext(ctx, "tcp", addr)
 		if err != nil {
 			log.Errorf("Failed to dial: %s", err)

util/log.go

@@ -2,6 +2,7 @@ package util
 
 import (
 	"io"
+	"os"
 	"path/filepath"
 
 	log "github.com/sirupsen/logrus"
@@ -30,7 +31,11 @@ func InitLog(logLevel string, logPath string) error {
 		log.SetOutput(io.Writer(lumberjackLogger))
 	}
 
-	formatter.SetTextFormatter(log.StandardLogger())
+	if os.Getenv("NB_LOG_FORMAT") == "json" {
+		formatter.SetJSONFormatter(log.StandardLogger())
+	} else {
+		formatter.SetTextFormatter(log.StandardLogger())
+	}
 	log.SetLevel(level)
 	return nil
 }