bilibili-backup/app/service/ep/saga-agent/conf/conf.go
2019-04-22 02:59:20 +00:00

118 lines
1.9 KiB
Go

package conf
import (
"flag"
"os"
"go-common/library/conf"
"go-common/library/log"
"github.com/BurntSushi/toml"
"github.com/pkg/errors"
)
// Runner ...
type Runner struct {
URL string
Token string
Name string
}
type config struct {
Offline bool
Runner []Runner
}
// Conf ...
var (
confPath string
client *conf.Client
filename string
reload chan bool
Conf config
RunnerMap map[string]Runner
HostName string
)
func load() (err error) {
var (
s string
ok bool
)
if s, ok = client.Value(filename); !ok {
err = errors.Errorf("load config center error [%s]", filename)
return
}
log.Info("config data: %s", s)
Conf = config{}
if _, err = toml.Decode(s, &Conf); err != nil {
err = errors.Wrapf(err, "could not decode config err(%+v)", err)
return
}
return
}
func configCenter() (err error) {
if filename == "" {
return errors.New("filename is null,please set the environment(RUNNER_REPONAME)")
}
if client, err = conf.New(); err != nil {
panic(err)
}
if err = load(); err != nil {
return
}
client.Watch(filename)
go func() {
for range client.Event() {
log.Info("config reload")
if load() != nil {
log.Error("config reload error (%v)", err)
} else {
reload <- true
}
}
}()
return
}
func osHostName() string {
var (
host string
err error
)
if host, err = os.Hostname(); err != nil {
host = "unKown-Hostname"
log.Error("%+v", errors.WithStack(err))
}
return host
}
func init() {
flag.StringVar(&confPath, "conf", "", "config path")
}
// Init ...
func Init() (err error) {
filename = os.Getenv("CONF_FILENAME")
RunnerMap = make(map[string]Runner)
HostName = osHostName()
reload = make(chan bool, 1)
if confPath == "" {
err = configCenter()
return
}
if _, err = toml.DecodeFile(confPath, &Conf); err != nil {
log.Error("toml.DecodeFile(%s) err(%+v)", confPath, err)
return
}
return
}
// ReloadEvent ...
func ReloadEvent() <-chan bool {
return reload
}