uniform lightning related errmessage text to lightning_error file. (#5)

ddl/lightning/env.go

@@ -74,7 +74,7 @@ func InitGolbalLightningBackendEnv() (err error) {
 	GlobalLightningEnv.Status = cfg.Status.StatusPort
 	if err := GlobalLightningEnv.initSortPath(); err != nil {
 		GlobalLightningEnv.IsInited = false
-		log.L().Warn("Lightning init failed: ", zap.String("Os error", err.Error()))
+		log.L().Warn(LWAR_ENV_INIT_FAILD, zap.String("Os error", err.Error()))
 		return err
 	}
 	if GlobalLightningEnv.IsInited {
@@ -83,16 +83,15 @@ func InitGolbalLightningBackendEnv() (err error) {
 	// Todo need to set Memory limitation, temp set to 128 G
 	GlobalLightningEnv.LitMemRoot.init(maxMemLimation)
 	log.SetAppLogger(logutil.BgLogger())
-	log.L().Info("Lightning: Init global lightning backend environment finished.")
+	log.L().Info(LInfo_ENV_INIT_SUCC)
 	GlobalLightningEnv.IsInited = true
 	return nil
 }
 
 func (l *LightningEnv) parseDiskQuota() {
 	sz, err := lcom.GetStorageSize(l.SortPath)
 	if err != nil {
-		log.L().Warn("Lightning: GetStorageSize err:", zap.String("Os error:", err.Error()), zap.String("default size", "10G"))
-		l.diskQuota = 10 * _gb
+		log.L().Warn(LERR_GET_STORAGE_QUOTA, zap.String("Os error:", err.Error()), zap.String("default size", "10G"))
 		return
 	}
 	l.diskQuota = int64(sz.Available)

ddl/lightning/lightning_error.go

@@ -0,0 +1,20 @@
+package lightning
+
+
+const (
+	// Error message
+	LERR_ALLOC_MEM_FAILED      string = "Lightning: Alloc memory failed."
+	LERR_OUT_OF_MAX_MEM        string = "Lightning: Memory is used up for Lightning add index."
+	LERR_NO_MEM_TYPE           string = "Lightning: Unking structure for Lightning add index."
+	LERR_CREATE_BACKEND_FAILED string = "Lightning: Build lightning backend failed, will use kernel index reorg method to backfill the index."
+	LERR_CREATE_ENGINE_FAILED  string = "Lightning: Build lightning engine failed, will use kernel index reorg method to backfill the index."
+	LERR_CREATE_CONTEX_FAILED  string = "Lightning: Build lightning worker context failed, will use kernel index reorg method to backfill the index."
+	LERR_GET_ENGINE_FAILED     string = "Lightning: Use key get engininfo failed."
+	LERR_GET_STORAGE_QUOTA     string = "Lightning: Get storage quota err:"
+
+	// Warning message    
+	LWAR_ENV_INIT_FAILD        string = "Lightning: initialize environment failed"
+
+	// Info message
+	LInfo_ENV_INIT_SUCC        string = "Lightning: Init global lightning backend environment finished."
+)

ddl/lightning/mem_mgr.go

@@ -18,15 +18,6 @@ const (
 	BUILD_BACKEND_CONTEXT BuildType = 1
 	BUILD_ENGINE_INFO     BuildType = 2
 	BUILD_WORKER_CONTEXT  BuildType = 3
-
-	// Error msg
-	LERR_ALLOC_MEM_FAILED      string = "Lightning: Alloc memory failed."
-	LERR_OUT_OF_MAX_MEM        string = "Lightning: Memory is used up for Lightning add index."
-	LERR_NO_MEM_TYPE           string = "Lightning: Unking structure for Lightning add index."
-	LERR_CREATE_BACKEND_FAILED string = "Lightning: Build lightning backend failed, will use kernel index reorg method to backfill the index."
-	LERR_CREATE_ENGINE_FAILED  string = "Lightning: Build lightning engine failed, will use kernel index reorg method to backfill the index."
-	LERR_CREATE_CONTEX_FAILED  string = "Lightning: Build lightning worker context failed, will use kernel index reorg method to backfill the index."
-	LERR_GET_ENGINE_FAILED     string = "Lightning: Use key get engininfo failed."
 )
 
 // MemoryRoot is used to trace the memory usage of all light DDL environment.