Example clickhouse DNS strings and how it is parsed

main.go

package main

import (
	"fmt"
	"net/url"
	"strings"
)

func main() {
	dsnStrings := []string{
		"tcp://user1:usr-pwd1@clickhouse:9000/sn_traces",
		"tcp://user2:usr-pwd2@clickhouse:9000/sn_metrics",
		"tcp://user3:usr-pwd3@clickhouse:9000/sn_logs",
	}

	for _, dsnString := range dsnStrings {
		dsn, err := url.Parse(dsnString)
		if err != nil {
			panic(err)
		}
		fmt.Printf("dsn: %s\n", dsnString)
		fmt.Printf("scheme: %s\n", dsn.Scheme)
		fmt.Printf("host: %s\n", dsn.Host)
		fmt.Printf("path: %s\n", dsn.Path)
		db := strings.TrimPrefix(dsn.Path, "/")
		fmt.Printf("database: %s\n", db)
		fmt.Printf("username: %s\n", dsn.User.Username())
		if passwd, ok := dsn.User.Password(); ok {
			fmt.Printf("password: %s\n\n", passwd)
		} else {
			fmt.Printf("password: <empty>\n\n")
		}
	}
}