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server.go
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server.go
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package main
import (
"context"
"fmt"
"net/http"
"os"
"time"
"github.com/gin-contrib/cors"
"github.com/gin-gonic/gin"
"github.com/go-playground/validator/v10"
"github.com/google/generative-ai-go/genai"
docs "github.com/poligonoio/vega-core/docs"
"github.com/poligonoio/vega-core/internal/controllers"
"github.com/poligonoio/vega-core/internal/middlewares"
"github.com/poligonoio/vega-core/internal/services"
"github.com/poligonoio/vega-core/pkg/env"
"github.com/poligonoio/vega-core/pkg/logger"
swaggerfiles "github.com/swaggo/files"
ginSwagger "github.com/swaggo/gin-swagger"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"go.mongodb.org/mongo-driver/mongo/readpref"
"google.golang.org/api/option"
)
var server *http.Server
var version string
func init() {
// version := os.Getenv("POLIGONO_VERSION")
basePathStr := "/v1alpha1"
port := os.Getenv("PORT")
if port == "" {
port = "8888"
}
logger.Info.Println("Initializing API server...")
ctx := context.TODO()
var err error
// Connect to mongo
logger.Info.Println("Connecting to MongoDB...")
mongoconn := options.Client().ApplyURI(os.Getenv("MONGODB_URI"))
mongoClient, err := mongo.Connect(ctx, mongoconn)
if err != nil {
logger.Error.Fatalf("Couldn't connect to MongoDB: %v\n", err)
}
if err = mongoClient.Ping(ctx, readpref.Primary()); err != nil {
logger.Error.Fatalf("Couldn't connect to MongoDB: %v\n", err)
}
logger.Info.Println("MongoDB connection established successfully!")
// Initialize validator
validate := validator.New()
// Initialize Gemini client
logger.Info.Println("Creating client for Gemini...")
client, err := genai.NewClient(ctx, option.WithAPIKey(os.Getenv("GEMINI_API_KEY")))
if err != nil {
logger.Error.Fatalf("Couldn't create a client for gemini: %v\n", err)
}
model := client.GenerativeModel("gemini-1.5-flash")
logger.Info.Println("Gemini client created successfully successfully!")
// Initialize probe service and controller
logger.Info.Println("Initializing Probe service and controller...")
probeService := services.NewProbeService(ctx)
probeController := controllers.NewProbeController(probeService)
logger.Info.Println("Probe service and controller initialized successfully!")
// Initialize Infisical service
logger.Info.Println("Initializing Infisical...")
infisicalService, err := services.NewInfisicalService(ctx, os.Getenv("INFISICAL_PROJECT_ID"), "/")
if err != nil {
logger.Error.Fatalf("Error connecting to infisical: %v\n", err)
}
logger.Info.Println("Infisical initialized successfully!")
logger.Info.Println("Initializing Trino service")
trinoEngineService, err := services.NewTrinoEngineService(ctx)
if err != nil {
logger.Error.Fatalf("Error connecting to trino: %v\n", err)
}
logger.Info.Println("Trino service initialized successfully!")
//
schemaCollection := mongoClient.Database("poligono").Collection("schemas")
schemaService := services.NewSchemaService(ctx, schemaCollection)
// Initialize Data source service and controller
logger.Info.Println("Initializing Data source service and controller...")
dataSourceCollection := mongoClient.Database("poligono").Collection("datasources")
dataSourceService := services.NewDataSourceService(ctx, dataSourceCollection, infisicalService, trinoEngineService, schemaService)
dataSourceController := controllers.NewDataSourceController(dataSourceService, trinoEngineService, schemaService, validate)
logger.Info.Println("Data source service and controller Initialized successfully!")
// Initialize core service and controller
logger.Info.Println("Initializing Core service and controller...")
coreService := services.NewCoreService(ctx, model)
coreController := controllers.NewCoreController(coreService, dataSourceService, trinoEngineService)
logger.Info.Println("Core service and controller initialized successfully!")
// Initialize Gin routes and and middlewares
logger.Info.Println("Initializing Gin routes and middleware...")
router := gin.Default()
router.Use(cors.New(cors.Config{
AllowHeaders: []string{"Origin", "Authorization", "Content-Type"},
AllowOrigins: []string{"*"},
AllowMethods: []string{"GET", "POST", "DELETE", "PUT"},
AllowCredentials: true,
MaxAge: 12 * time.Hour,
}))
router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
return fmt.Sprintf("%s - [%s] \"%s %s %s %d %s \"%s\" %s\"\n",
param.ClientIP,
param.TimeStamp.Format(time.RFC1123),
param.Method,
param.Path,
param.Request.Proto,
param.StatusCode,
param.Latency,
param.Request.UserAgent(),
param.ErrorMessage,
)
}))
router.Use(gin.Recovery())
docs.SwaggerInfo.Version = version
docs.SwaggerInfo.Host = fmt.Sprintf("localhost:%s", port)
docs.SwaggerInfo.BasePath = basePathStr
probePath := router.Group("/probe")
basePath := router.Group(basePathStr)
basePath.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerfiles.Handler))
enableAuth := env.GetBoolEnv("ENABLE_AUTHENTICATION")
enableRBAC := env.GetBoolEnv("AUTHENTICATION_ENABLE_RBAC")
authType := os.Getenv("AUTHENTICATION_TYPE")
if enableAuth && authType == "BasicAuth" {
basePath.Use(gin.BasicAuth(gin.Accounts{
"poligono": "poligono",
}))
}
if enableAuth && authType == "oauth2" {
logger.Info.Println("Ensure Valid Role")
basePath.Use(middlewares.EnsureValidToken())
}
if enableRBAC && enableAuth && authType == "oauth2" {
basePath.Use(middlewares.EnsureValidRole())
}
basePath.Use(middlewares.SetVarsToContext())
logger.Info.Println("Gin routes and middleware Initialized successfully!")
// Register Gin routes
logger.Info.Println("Registering Gin routes...")
coreController.RegisterCoreRoutes(basePath)
probeController.RegisterProbeRoutes(probePath)
dataSourceController.RegisterDataSourceRoutes(basePath)
logger.Info.Println("Gin routes registered successfully!")
// Initialize server
server = &http.Server{
Addr: fmt.Sprintf(":%s", port),
Handler: router,
ReadTimeout: 120 * time.Second,
WriteTimeout: 120 * time.Second,
MaxHeaderBytes: 1 << 20,
}
}
// @title Poligono API
// @description Democratizing data access through plain English.
// @termsOfService https://swagger.io/terms/
// @contact.name Poligono Support
// @contact.url https://www.swagger.io/support
// @contact.email dev@poligono.xyz
// @license.name GNU Affero General Public License version 3
// @license.url https://www.gnu.org/licenses/agpl-3.0.html
// @securityDefinitions.basic BasicAuth
// @externalDocs.description OpenAPI
// @externalDocs.url https://swagger.io/resources/open-api/
func main() {
// Start server
logger.Info.Printf("Starting server on port %s...\n", server.Addr)
if err := server.ListenAndServe(); err != nil {
logger.Error.Fatalf("Server error: %v\n", err)
}
}