mirror of
https://github.com/fnproject/fn.git
synced 2022-10-28 21:29:17 +03:00
64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package server
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"os/signal"
|
|
"strings"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/spf13/viper"
|
|
)
|
|
|
|
func init() {
|
|
viper.AutomaticEnv() // picks up env vars automatically
|
|
cwd, err := os.Getwd()
|
|
if err != nil {
|
|
logrus.WithError(err).Fatalln("")
|
|
}
|
|
// Replace forward slashes in case this is windows, URL parser errors
|
|
cwd = strings.Replace(cwd, "\\", "/", -1)
|
|
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
|
|
viper.SetDefault(EnvLogLevel, "info")
|
|
viper.SetDefault(EnvMQURL, fmt.Sprintf("bolt://%s/data/worker_mq.db", cwd))
|
|
viper.SetDefault(EnvDBURL, fmt.Sprintf("sqlite3://%s/data/fn.db", cwd))
|
|
viper.SetDefault(EnvLOGDBURL, "") // default to just using DB url
|
|
viper.SetDefault(EnvPort, 8080)
|
|
viper.SetDefault(EnvZipkinURL, "") // off default
|
|
viper.SetDefault(EnvAPIURL, fmt.Sprintf("http://127.0.0.1:%d", viper.GetInt(EnvPort)))
|
|
viper.AutomaticEnv() // picks up env vars automatically
|
|
logLevel, err := logrus.ParseLevel(viper.GetString(EnvLogLevel))
|
|
if err != nil {
|
|
logrus.WithError(err).Fatalln("Invalid log level.")
|
|
}
|
|
logrus.SetLevel(logLevel)
|
|
|
|
gin.SetMode(gin.ReleaseMode)
|
|
if logLevel == logrus.DebugLevel {
|
|
gin.SetMode(gin.DebugMode)
|
|
}
|
|
}
|
|
|
|
func contextWithSignal(ctx context.Context, signals ...os.Signal) context.Context {
|
|
newCTX, halt := context.WithCancel(ctx)
|
|
c := make(chan os.Signal, 1)
|
|
signal.Notify(c, signals...)
|
|
go func() {
|
|
for {
|
|
select {
|
|
case <-c:
|
|
logrus.Info("Halting...")
|
|
halt()
|
|
return
|
|
case <-ctx.Done():
|
|
logrus.Info("Halting... Original server context canceled.")
|
|
halt()
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
return newCTX
|
|
}
|