add alloy readme

Author: Barbatos

metric_monitor/REMOTE_WRITE_WITH_THANOS.md

@@ -128,7 +128,7 @@ remote_write:
 - Other storage flags can be found in the [official documentation](https://prometheus.io/docs/prometheus/latest/storage/#operational-aspects). For a quick start, you could use the default values.
 
 #### Alternative way to set up Prometheus and Node Exporter
-Grafana Alloy can be used to set up Prometheus and Node Exporter.
+Grafana Alloy provides a unified solution that consolidates the functionalities of Prometheus and Node Exporter into a single service. As an all-in-one monitoring agent, it not only handles metrics collection and exportation but also includes built-in log aggregation capabilities, eliminating the need for separate monitoring components.
 ##### Alloy configuration file
 Please refer to the [prometheus-loki.alloy](./conf/prometheus-loki.alloy) for the Alloy configuration file. You will need to update certain values to match your environment, such as `prometheus.scrape.targets`, `discovery.relabel`.
 

tools/trond/cmd/snapshot/download.go

@@ -3,11 +3,12 @@ package snapshot
 import (
 	"errors"
 	"fmt"
-	"github.com/tronprotocol/tron-docker/config"
 	"log"
 	"os"
 	"strings"
 
+	"github.com/tronprotocol/tron-docker/config"
+
 	"github.com/MakeNowJust/heredoc/v2"
 	"github.com/spf13/cobra"
 	"github.com/tronprotocol/tron-docker/utils"
@@ -120,12 +121,12 @@ func download(domain string, backup string, nType string) {
 
 	if folderYes, _ := utils.PathExists(networkDst); !folderYes {
 		fmt.Println("Creating directory:", networkDst)
-		if err := utils.CreateDir(networkDst, true); err != nil {
+		if err = utils.CreateDir(networkDst, true); err != nil {
 			fmt.Println(" - Error creating directory:", err)
 			return
 		}
 	} else if databaseYes, _ := utils.PathExists(databaseDst); databaseYes {
-		fmt.Println(fmt.Sprintf("Notice: there already exist database data %s, please delete it if you want to download again.", databaseDst))
+		fmt.Printf("Notice: there already exist database data %s, please delete it if you want to download again.\n", databaseDst)
 		return
 	}
 
@@ -135,15 +136,15 @@ func download(domain string, backup string, nType string) {
 		return
 	}
 
-	if err := utils.ExtractTgzWithStatus(downloadSnapshot, "./"); err != nil {
+	if err = utils.ExtractTgzWithStatus(downloadSnapshot, "./"); err != nil {
 		fmt.Println("Error:", err)
 		return
 	}
 
 	/* At least according to the domain, move extracted database to the correct subtype directory.
 	The database will be used by `./trond node run-single`, check that part for details
 	*/
-	fmt.Println(fmt.Sprintf("Finally move the database to the corresponding network folder %s", databaseDst))
+	fmt.Printf("Finally move the database to the corresponding network folder %s\n", databaseDst)
 	srcDatabase := "./output-directory/database"
 
 	// Check whether dst directory already exist, if yes, return warning let user decide whether to continue downloading.