)
// override the standard Gin-Gonic middleware to add the CORS headers
func CORSMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
c.Writer.Header().Set("Content-Type", "application/json")
c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")
}
}
// set some globally used vars
var (
ConfigObj *Config
logFile, _ = lumber.NewFileLogger("/tmp/haproxy-rest.log", lumber.INFO, lumber.ROTATE, 1000, 3, 100)
logConsole = lumber.NewConsoleLogger(lumber.INFO)
log = lumber.NewMultiLogger()
zkClient ZookeeperClient
)
func main() {
log.Prefix("Haproxy-rest")
log.AddLoggers(logFile, logConsole)
// implicit -h prints out help messages
port := flag.Int("port", 10001, "Port/IP to use for the REST interface. Overrides $PORT0 env variable")
lbConfigFile := flag.String("lbConfigFile", "resources/haproxy_new.cfg", "Location of the target HAproxy config file")
lbTemplateFile := flag.String("lbTemplate", "resources/templates/haproxy_cfg.template", "Template file to build HAproxy load balancer config")
func startPortal(ccmd *cobra.Command, args []string) error {
if config.LogFile == "" {
config.Log = lumber.NewConsoleLogger(lumber.LvlInt(config.LogLevel))
} else {
var err error
config.Log, err = lumber.NewFileLogger(config.LogFile, lumber.LvlInt(config.LogLevel), lumber.ROTATE, 5000, 9, 100)
if err != nil {
config.Log.Fatal("File logger init failed - %v", err)
return fmt.Errorf("")
}
}
// ensure proxy ports are unique. we need to check because tls will not listen
// until a cert is added. we want it to break sooner.
if config.RouteHttp == config.RouteTls {
config.Log.Fatal("Proxy addresses must be unique")
return fmt.Errorf("")
}
// need ':' in case tls is double apiport (8080, 80)
apiPort := fmt.Sprintf(":%s", config.ApiPort)
if strings.HasSuffix(config.RouteTls, apiPort) {
config.Log.Fatal("TLS proxy address must be unique")
return fmt.Errorf("")
}
// initialize database
err := database.Init()
if err != nil {
config.Log.Fatal("Database init failed - %v", err)
return fmt.Errorf("")
}
// initialize balancer
err = balance.Init()
if err != nil {
config.Log.Fatal("Balancer init failed - %v", err)
return fmt.Errorf("")
}
// initialize proxymgr
err = proxymgr.Init()
if err != nil {
config.Log.Fatal("Proxymgr init failed - %v", err)
return fmt.Errorf("")
}
// initialize vipmgr
err = vipmgr.Init()
if err != nil {
config.Log.Fatal("Vipmgr init failed - %v", err)
return fmt.Errorf("")
}
// initialize cluster
err = cluster.Init()
if err != nil {
config.Log.Fatal("Cluster init failed - %v", err)
return fmt.Errorf("")
}
go sigHandle()
// start api
err = api.StartApi()
if err != nil {
config.Log.Fatal("Api start failed - %v", err)
return fmt.Errorf("")
}
return nil
}