initial commit

2023-07-01 00:04:52 +00:00
commit 80fb879ef6
65 changed files with 3544 additions and 0 deletions
--- a/cmd/serve.go
+++ b/cmd/serve.go
@@ -0,0 +1,122 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"go.infratographer.com/x/echox"
+	"go.infratographer.com/x/events"
+	"go.infratographer.com/x/otelx"
+	"go.infratographer.com/x/versionx"
+	"go.infratographer.com/x/viperx"
+
+	"go.equinixmetal.net/infra9-metal-bridge/internal/config"
+	"go.equinixmetal.net/infra9-metal-bridge/internal/metal"
+	"go.equinixmetal.net/infra9-metal-bridge/internal/permissions"
+	"go.equinixmetal.net/infra9-metal-bridge/internal/pubsub"
+	"go.equinixmetal.net/infra9-metal-bridge/internal/routes"
+	"go.equinixmetal.net/infra9-metal-bridge/internal/service"
+)
+
+var serveCmd = &cobra.Command{
+	Use:   "serve",
+	Short: "starts the metal bridge",
+	Run:   serve,
+}
+
+var defaultListen = ":8080"
+
+func init() {
+	rootCmd.AddCommand(serveCmd)
+
+	echox.MustViperFlags(viper.GetViper(), serveCmd.Flags(), defaultListen)
+	events.MustViperFlagsForPublisher(viper.GetViper(), serveCmd.Flags(), appName)
+	events.MustViperFlagsForSubscriber(viper.GetViper(), serveCmd.Flags())
+
+	serveCmd.PersistentFlags().StringSlice("events-topics", []string{}, "event topics to subscribe to")
+	viperx.MustBindFlag(viper.GetViper(), "events.topics", serveCmd.PersistentFlags().Lookup("events-topics"))
+
+	permissions.MustViperFlags(viper.GetViper(), serveCmd.Flags())
+}
+
+func serve(cmd *cobra.Command, _ []string) {
+	err := otelx.InitTracer(config.AppConfig.OTel, appName, logger)
+	if err != nil {
+		logger.Fatalw("error initializing tracing", "error", err)
+	}
+
+	publisher, err := events.NewPublisherWithLogger(config.AppConfig.Events.Publisher, logger)
+	if err != nil {
+		logger.Fatalw("unable to initialize event publisher", "error", err)
+	}
+
+	metal, err := metal.New(
+		metal.WithLogger(logger.Desugar()),
+		metal.WithConfig(config.AppConfig.EquinixMetal),
+	)
+	if err != nil {
+		logger.Fatalw("error initializing Metal client", "error", err)
+	}
+
+	perms, err := permissions.NewClient("",
+		permissions.WithLogger(logger),
+		permissions.WithConfig(config.AppConfig.Permissions),
+	)
+	if err != nil {
+		logger.Fatalw("error initializing Permissions client", "error", err)
+	}
+
+	service, err := service.New(publisher, metal, perms,
+		service.WithLogger(logger),
+		service.WithConfig(config.AppConfig.Service),
+		service.WithRoles(config.AppConfig.Roles),
+	)
+	if err != nil {
+		logger.Fatalw("error initializing service", "error", err)
+	}
+
+	subscriber, err := pubsub.NewSubscriber(cmd.Context(), config.AppConfig.Events.Subscriber, service,
+		pubsub.WithLogger(logger),
+	)
+	if err != nil {
+		logger.Fatalw("unable to initialize event subscriber", "error", err)
+	}
+
+	for _, topic := range viper.GetStringSlice("events.topics") {
+		if err := subscriber.Subscribe(topic); err != nil {
+			logger.Fatalw("error subscribing to topic: "+topic, "topic", topic, "error", err)
+		}
+	}
+
+	router, err := routes.NewRouter(
+		routes.WithLogger(logger.Desugar()),
+		routes.WithService(service),
+	)
+	if err != nil {
+		logger.Fatalw("error initializing router", "error", err)
+	}
+
+	srv, err := echox.NewServer(
+		logger.Desugar(),
+		echox.ConfigFromViper(viper.GetViper()),
+		versionx.BuildDetails(),
+	)
+	if err != nil {
+		logger.Fatalw("failed to initialize new server", "error", err)
+	}
+
+	srv.AddHandler(router)
+
+	defer subscriber.Close()
+
+	logger.Info("Listening for events")
+
+	go func() {
+		if err := subscriber.Listen(); err != nil {
+			logger.Fatalw("error listening for events", "error", err)
+		}
+	}()
+
+	if err := srv.Run(); err != nil {
+		logger.Fatalw("failed to run server", "error", err)
+	}
+}