Created
April 24, 2024 14:04
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Example clickhouse DNS strings and how it is parsed
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| 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") | |
| } | |
| } | |
| } |
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