/**
* Main command to load configuration by given environment argument
* and start application server to listen the exposed endpoints and
* provide the requested resources operations
*
* Mandatory parameters are path (/tmp...) and environment (dev, qa, pre, pro...)
*/
func main() {
// Load configuration to start application
conf_path, env := checkParams(os.Args)
var filename = conf_path + "/" + env + ".yml"
config = configuration.LoadConfiguration(filename)
log = configuration.GetLog()
dataservice.Initialize(config)
log.Infof("dynamic-pricing started with environment: %s and listening in port: %v\n", env, config.Server_port)
// Register to Eureka and then set up to only heartbeat one of them
filename = conf_path + "/eureka_" + env + ".gcfg"
// ec, i := registerToEureka( filename )
// go sendHeartBeatToEureka( ec, i )
// Create the router to handle requests
router := mux.NewRouter().StrictSlash(true)
router.HandleFunc("/dynamic-pricing-api/1.0/prices/{id}", controller.PricesController) // Prices endpoint
router.HandleFunc("/dynamic-pricing-api/1.0/prices", controller.PricesController) // Prices endpoint
router.HandleFunc("/dynamic-pricing-api/1.0/sales/{id}", controller.SalesController) // Sales endpoint
router.HandleFunc("/dynamic-pricing-api/1.0/sales", controller.SalesController) // Sales endpoint
router.HandleFunc("/dynamic-pricing-api/1.0/info", controller.InfoController)
router.HandleFunc("/dynamic-pricing-api/1.0/health", controller.HealthController)
router.HandleFunc("/dynamic-pricing-api/1.0/reload-restrictions", controller.ReloadRestrictionsController)
// Starting server on given port number
log.Fatal(http.ListenAndServe(":"+config.Server_port, router)) // Start the server at listening port
}
)
// Parameters response struct
type ParametersResponseType struct {
StartDate string `json:"start_date"`
EndDate string `json:"end_date"`
EventId int `json:event_id`
SaleId string `json:"sale_id"`
Page int `json:"page"`
PageSize int `json:"page_size"`
TraceId string `json:"trace_id"`
}
// Global vars and default values
var (
log *logging.Logger = configuration.GetLog()
startDate string
endDate string
eventId int
config = configuration.GetConfig()
)
// https://blog.golang.org/context/userip/userip.go
// Funtion to retrieve the sender IP from request
// or from forwared headers instead
func getIP(w http.ResponseWriter, req *http.Request) string {
ip, _, err := net.SplitHostPort(req.RemoteAddr)
if err != nil {
log.Debugf("userip: %q is not IP:port", req.RemoteAddr)
}