Structured logging (#8673)

* Implementing structured logging

* Changes to en.json to allow refactor to run.

* Fixing global logger

* Structured logger initalization.

* Add caller.

* Do some log redirection.

* Auto refactor

* Cleaning up l4g reference and removing dependancy.

* Removing junk.

* Copyright headers.

* Fixing tests

* Revert "Changes to en.json to allow refactor to run."

This reverts commit fd8249e99bcad0231e6ea65cd77c32aae9a54026.

* Fixing some auto refactor strangeness and typo.

* Making keys more human readable.

model/client.go

@@ -14,8 +14,6 @@ import (
 	"strconv"
 	"strings"
 	"time"
-
-	l4g "github.com/alecthomas/log4go"
 )
 
 var UsedApiV3 *int32 = new(int32)
@@ -210,7 +208,7 @@ func getCookie(name string, resp *http.Response) *http.Cookie {
 // Must is a convenience function used for testing.
 func (c *Client) Must(result *Result, err *AppError) *Result {
 	if err != nil {
-		l4g.Close()
+
 		time.Sleep(time.Second)
 		panic(err)
 	}
@@ -221,7 +219,7 @@ func (c *Client) Must(result *Result, err *AppError) *Result {
 // MustGeneric is a convenience function used for testing.
 func (c *Client) MustGeneric(result interface{}, err *AppError) interface{} {
 	if err != nil {
-		l4g.Close()
+
 		time.Sleep(time.Second)
 		panic(err)
 	}

model/config.go

@@ -585,9 +585,10 @@ func (s *SqlSettings) SetDefaults() {
 type LogSettings struct {
 	EnableConsole          bool
 	ConsoleLevel           string
+	ConsoleJson            *bool
 	EnableFile             bool
 	FileLevel              string
-	FileFormat             string
+	FileJson               *bool
 	FileLocation           string
 	EnableWebhookDebugging bool
 	EnableDiagnostics      *bool
@@ -597,6 +598,14 @@ func (s *LogSettings) SetDefaults() {
 	if s.EnableDiagnostics == nil {
 		s.EnableDiagnostics = NewBool(true)
 	}
+
+	if s.ConsoleJson == nil {
+		s.ConsoleJson = NewBool(true)
+	}
+
+	if s.FileJson == nil {
+		s.FileJson = NewBool(true)
+	}
 }
 
 type PasswordSettings struct {