You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.0 KiB
57 lines
1.0 KiB
package main
|
|
|
|
import (
|
|
"flag"
|
|
"log"
|
|
|
|
"github.com/go-kratos/kratos/v2/config"
|
|
"github.com/go-kratos/kratos/v2/config/file"
|
|
)
|
|
|
|
var flagconf string
|
|
|
|
func init() {
|
|
flag.StringVar(&flagconf, "conf", "config.yaml", "config path, eg: -conf config.yaml")
|
|
}
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
c := config.New(
|
|
config.WithSource(
|
|
file.NewSource(flagconf),
|
|
),
|
|
)
|
|
if err := c.Load(); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
// Defines the config JSON Field
|
|
var v struct {
|
|
Service struct {
|
|
Name string `json:"name"`
|
|
Version string `json:"version"`
|
|
} `json:"service"`
|
|
}
|
|
|
|
// Unmarshal the config to struct
|
|
if err := c.Scan(&v); err != nil {
|
|
panic(err)
|
|
}
|
|
log.Printf("config: %+v", v)
|
|
|
|
// Get a value associated with the key
|
|
name, err := c.Value("service.name").String()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
log.Printf("service: %s", name)
|
|
|
|
// watch key
|
|
if err := c.Watch("service.name", func(key string, value config.Value) {
|
|
log.Printf("config changed: %s = %v\n", key, value)
|
|
}); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
<-make(chan struct{})
|
|
}
|
|
|