Initial QSfera import

Server/services/collaboration/pkg/command/server.go

@@ -0,0 +1,166 @@
+package command
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"os/signal"
+	"time"
+
+	"github.com/qsfera/server/pkg/config/configlog"
+	"github.com/qsfera/server/pkg/log"
+	"github.com/qsfera/server/pkg/registry"
+	"github.com/qsfera/server/pkg/runner"
+	"github.com/qsfera/server/pkg/tracing"
+	"github.com/qsfera/server/services/collaboration/pkg/config"
+	"github.com/qsfera/server/services/collaboration/pkg/config/parser"
+	"github.com/qsfera/server/services/collaboration/pkg/connector"
+	"github.com/qsfera/server/services/collaboration/pkg/helpers"
+	"github.com/qsfera/server/services/collaboration/pkg/server/debug"
+	"github.com/qsfera/server/services/collaboration/pkg/server/grpc"
+	"github.com/qsfera/server/services/collaboration/pkg/server/http"
+	"github.com/opencloud-eu/reva/v2/pkg/rgrpc/todo/pool"
+	"github.com/opencloud-eu/reva/v2/pkg/store"
+
+	"github.com/spf13/cobra"
+	"go-micro.dev/v4/selector"
+	microstore "go-micro.dev/v4/store"
+)
+
+// Server is the entrypoint for the server command.
+func Server(cfg *config.Config) *cobra.Command {
+	return &cobra.Command{
+		Use:   "server",
+		Short: fmt.Sprintf("start the %s service without runtime (unsupervised mode)", cfg.Service.Name),
+		PreRunE: func(cmd *cobra.Command, args []string) error {
+			return configlog.ReturnFatal(parser.ParseConfig(cfg))
+		},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			logger := log.Configure(cfg.Service.Name, cfg.Commons, cfg.LogLevel)
+			traceProvider, err := tracing.GetTraceProvider(cmd.Context(), cfg.Commons.TracesExporter, cfg.Service.Name)
+			if err != nil {
+				return err
+			}
+
+			var cancel context.CancelFunc
+			if cfg.Context == nil {
+				cfg.Context, cancel = signal.NotifyContext(context.Background(), runner.StopSignals...)
+				defer cancel()
+			}
+			ctx := cfg.Context
+
+			// prepare components
+			if err := helpers.RegisterQsferaService(ctx, cfg, logger); err != nil {
+				return err
+			}
+
+			tm, err := pool.StringToTLSMode(cfg.CS3Api.GRPCClientTLS.Mode)
+			if err != nil {
+				return err
+			}
+			gatewaySelector, err := pool.GatewaySelector(
+				cfg.CS3Api.Gateway.Name,
+				pool.WithTLSCACert(cfg.CS3Api.GRPCClientTLS.CACert),
+				pool.WithTLSMode(tm),
+				pool.WithRegistry(registry.GetRegistry()),
+				pool.WithTracerProvider(traceProvider),
+			)
+			if err != nil {
+				return err
+			}
+
+			// use the AppURLs helper (an atomic pointer) to fetch and store the app URLs
+			// this is required as the app URLs are fetched periodically in the background
+			// and read when handling requests
+			appURLs := helpers.NewAppURLs()
+
+			ticker := time.NewTicker(cfg.CS3Api.APPRegistrationInterval)
+			defer ticker.Stop()
+			go func() {
+				for ; true; <-ticker.C {
+					// fetch and store the app URLs
+					v, err := helpers.GetAppURLs(cfg, logger)
+					if err != nil {
+						logger.Warn().Err(err).Msg("Failed to get app URLs")
+						// empty map to clear previous URLs
+						v = make(map[string]map[string]string)
+					}
+					appURLs.Store(v)
+
+					// register the app provider
+					if err := helpers.RegisterAppProvider(ctx, cfg, logger, gatewaySelector, appURLs); err != nil {
+						logger.Warn().Err(err).Msg("Failed to register app provider")
+					}
+				}
+			}()
+
+			st := store.Create(
+				store.Store(cfg.Store.Store),
+				store.TTL(cfg.Store.TTL),
+				microstore.Nodes(cfg.Store.Nodes...),
+				microstore.Database(cfg.Store.Database),
+				microstore.Table(cfg.Store.Table),
+				store.Authentication(cfg.Store.AuthUsername, cfg.Store.AuthPassword),
+			)
+
+			gr := runner.NewGroup()
+
+			// start GRPC server
+			grpcServer, teardown, err := grpc.Server(
+				grpc.AppURLs(appURLs),
+				grpc.Config(cfg),
+				grpc.Logger(logger),
+				grpc.TraceProvider(traceProvider),
+				grpc.Store(st),
+			)
+			defer teardown()
+			if err != nil {
+				logger.Error().Err(err).Str("transport", "grpc").Msg("Failed to initialize server")
+				return err
+			}
+
+			l, err := net.Listen("tcp", cfg.GRPC.Addr)
+			if err != nil {
+				return err
+			}
+			gr.Add(runner.NewGolangGrpcServerRunner(cfg.Service.Name+".grpc", grpcServer, l))
+
+			// start debug server
+			debugServer, err := debug.Server(
+				debug.Logger(logger),
+				debug.Context(ctx),
+				debug.Config(cfg),
+			)
+			if err != nil {
+				logger.Error().Err(err).Str("transport", "debug").Msg("Failed to initialize server")
+				return err
+			}
+			gr.Add(runner.NewGolangHttpServerRunner(cfg.Service.Name+".debug", debugServer))
+
+			// start HTTP server
+			httpServer, err := http.Server(
+				http.Adapter(connector.NewHttpAdapter(gatewaySelector, cfg, st, selector.NewSelector(selector.Registry(registry.GetRegistry())))),
+				http.Logger(logger),
+				http.Config(cfg),
+				http.Context(ctx),
+				http.TracerProvider(traceProvider),
+				http.Store(st),
+			)
+			if err != nil {
+				logger.Info().Err(err).Str("transport", "http").Msg("Failed to initialize server")
+				return err
+			}
+			gr.Add(runner.NewGoMicroHttpServerRunner("collaboration_http", httpServer))
+
+			grResults := gr.Run(ctx)
+
+			// return the first non-nil error found in the results
+			for _, grResult := range grResults {
+				if grResult.RunnerError != nil {
+					return grResult.RunnerError
+				}
+			}
+			return nil
+		},
+	}
+}