Create & Init Project...

app/infra/databus/conf/conf.go

@@ -0,0 +1,90 @@
+package conf
+
+import (
+	"errors"
+	"flag"
+
+	"go-common/library/conf"
+	"go-common/library/database/sql"
+	"go-common/library/log"
+	bm "go-common/library/net/http/blademaster"
+
+	"github.com/BurntSushi/toml"
+)
+
+var (
+	// Conf global config variable
+	Conf     = &Config{}
+	confPath string
+	client   *conf.Client
+)
+
+// Config databus config struct
+type Config struct {
+	// base
+	Addr     string
+	Clusters map[string]*Kafka
+	// Log
+	Log *log.Config
+	// http
+	HTTPServer *bm.ServerConfig
+	// mysql
+	MySQL *sql.Config
+}
+
+// Kafka contains cluster, brokers, sync.
+type Kafka struct {
+	Cluster string
+	Brokers []string
+}
+
+func init() {
+	flag.StringVar(&confPath, "conf", "", "config path")
+}
+
+//Init int config
+func Init() error {
+	if confPath != "" {
+		return local()
+	}
+	return remote()
+}
+
+func local() (err error) {
+	_, err = toml.DecodeFile(confPath, &Conf)
+	return
+}
+
+func remote() (err error) {
+	if client, err = conf.New(); err != nil {
+		return
+	}
+	if err = load(); err != nil {
+		return
+	}
+	go func() {
+		for range client.Event() {
+			log.Info("config reload")
+			if load() != nil {
+				log.Error("config reload error (%v)", err)
+			}
+		}
+	}()
+	return
+}
+
+func load() (err error) {
+	var (
+		s       string
+		ok      bool
+		tmpConf *Config
+	)
+	if s, ok = client.Toml2(); !ok {
+		return errors.New("load config center error")
+	}
+	if _, err = toml.Decode(s, &tmpConf); err != nil {
+		return errors.New("could not decode config")
+	}
+	*Conf = *tmpConf
+	return
+}