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.
106 lines
1.9 KiB
106 lines
1.9 KiB
package conf |
|
|
|
import ( |
|
"errors" |
|
"flag" |
|
"net" |
|
|
|
"go-common/library/conf" |
|
"go-common/library/log" |
|
bm "go-common/library/net/http/blademaster" |
|
xip "go-common/library/net/ip" |
|
|
|
"github.com/BurntSushi/toml" |
|
) |
|
|
|
var ( |
|
confPath string |
|
client *conf.Client |
|
// Conf conf |
|
Conf = &Config{} |
|
// ConfCh for update node of server. |
|
ConfCh = make(chan struct{}, 1) |
|
configKey = "discovery-service.toml" |
|
) |
|
|
|
// Config config |
|
type Config struct { |
|
Nodes []string |
|
Zones map[string][]string // zone -> nodes |
|
BM *HTTPServers |
|
Log *log.Config |
|
HTTPClient *bm.ClientConfig |
|
} |
|
|
|
func (c *Config) fix() (err error) { |
|
// check ip |
|
host, port, err := net.SplitHostPort(c.BM.Inner.Addr) |
|
if err != nil { |
|
return |
|
} |
|
if host == "0.0.0.0" || host == "127.0.0.1" || host == "" { |
|
host = xip.InternalIP() |
|
} |
|
c.BM.Inner.Addr = host + ":" + port |
|
return |
|
} |
|
|
|
// HTTPServers Http Servers |
|
type HTTPServers struct { |
|
Inner *bm.ServerConfig |
|
} |
|
|
|
func init() { |
|
// flag.StringVar(&confPath, "conf", "discovery-example.toml", "config path") |
|
flag.StringVar(&confPath, "conf", "", "config path") |
|
} |
|
|
|
// Init init conf |
|
func Init() (err error) { |
|
if confPath != "" { |
|
if _, err = toml.DecodeFile(confPath, &Conf); err != nil { |
|
return |
|
} |
|
return Conf.fix() |
|
} |
|
err = remote() |
|
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) |
|
continue |
|
} |
|
// to change the node of server |
|
ConfCh <- struct{}{} |
|
} |
|
}() |
|
return |
|
} |
|
|
|
func load() (err error) { |
|
s, ok := client.Value(configKey) |
|
if !ok { |
|
return errors.New("load config center error") |
|
} |
|
var tmpConf *Config |
|
if _, err = toml.Decode(s, &tmpConf); err != nil { |
|
return errors.New("could not decode config") |
|
} |
|
if err = tmpConf.fix(); err != nil { |
|
return |
|
} |
|
// copy |
|
*Conf = *tmpConf |
|
return |
|
}
|
|
|