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main.go
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main.go
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package main
import (
"context"
"errors"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/myrteametrics/myrtea-ingester-api/v5/internals/app"
config "github.com/myrteametrics/myrtea-ingester-api/v5/internals/configuration"
"github.com/myrteametrics/myrtea-ingester-api/v5/internals/routes"
"github.com/myrteametrics/myrtea-sdk/v4/helpers"
"github.com/myrteametrics/myrtea-sdk/v4/router"
"github.com/myrteametrics/myrtea-sdk/v4/server"
"github.com/spf13/viper"
"go.uber.org/zap"
)
var (
// Version is the binary version (tag) + build number (CI pipeline)
Version string
// BuildDate is the date of build
BuildDate string
)
// @title Myrtea Ingester API Swagger
// @version 1.0
// @description Myrtea Ingester API Swagger
// @termsOfService http://swagger.io/terms/
// @contact.name Myrtea Metrics
// @contact.url https://www.myrteametrics.com/fr/
// @contact.email contact@myrteametrics.com
// @host localhost:9001
// @BasePath /api/v1
func main() {
hostname, _ := os.Hostname()
config.InitMetricLabels(hostname)
helpers.InitializeConfig(config.AllowedConfigKey, config.ConfigName, config.ConfigPath, config.EnvPrefix)
zapConfig := helpers.InitLogger(viper.GetBool("LOGGER_PRODUCTION"))
zap.L().Info("Starting Ingester-API...", zap.String("version", Version), zap.String("build_date", BuildDate))
zap.L().Info("Initialize Elasticsearch client...")
app.InitElasticsearch()
zap.L().Info("Initialize Elasticsearch client... Done")
serverPort := viper.GetInt("HTTP_SERVER_PORT")
serverEnableTLS := viper.GetBool("HTTP_SERVER_ENABLE_TLS")
serverTLSCert := viper.GetString("HTTP_SERVER_TLS_FILE_CRT")
serverTLSKey := viper.GetString("HTTP_SERVER_TLS_FILE_KEY")
router := router.NewChiRouterSimple(router.ConfigSimple{
Production: viper.GetBool("LOGGER_PRODUCTION"),
CORS: viper.GetBool("HTTP_SERVER_API_ENABLE_CORS"),
Security: viper.GetBool("HTTP_SERVER_API_ENABLE_SECURITY"),
GatewayMode: viper.GetBool("HTTP_SERVER_API_ENABLE_GATEWAY_MODE"),
VerboseError: false,
AuthenticationMode: "BASIC",
LogLevel: zapConfig.Level,
MetricsNamespace: "myrtea",
MetricsPrometheusLabels: nil,
MetricsServiceName: "",
PublicRoutes: make(map[string]http.Handler),
ProtectedRoutes: map[string]http.Handler{
"/ingester": routes.IngesterRoutes(),
},
})
var srv *http.Server
if serverEnableTLS {
srv = server.NewSecuredServer(serverPort, serverTLSCert, serverTLSKey, router)
} else {
srv = server.NewUnsecuredServer(serverPort, router)
}
done := make(chan os.Signal, 1)
signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
go func() {
var err error
if serverEnableTLS {
err = srv.ListenAndServeTLS(serverTLSCert, serverTLSKey)
} else {
err = srv.ListenAndServe()
}
if err != nil && !errors.Is(err, http.ErrServerClosed) {
zap.L().Fatal("Server listen", zap.Error(err))
}
}()
zap.L().Info("Server Started", zap.String("addr", srv.Addr))
<-done
ctxShutDown, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer func() {
cancel()
}()
if err := srv.Shutdown(ctxShutDown); err != nil {
zap.L().Fatal("Server shutdown failed", zap.Error(err))
}
zap.L().Info("Server shutdown")
}