ensure commands for all services

extensions/storage-metadata/cmd/storage-metadata/main.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"os"
+
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/command"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config/defaults"
+)
+
+func main() {
+	if err := command.Execute(defaults.DefaultConfig()); err != nil {
+		os.Exit(1)
+	}
+}

extensions/storage-metadata/pkg/Makefile

@@ -1,37 +0,0 @@
-SHELL := bash
-NAME := ocs
-
-include ../../.make/recursion.mk
-
-############ tooling ############
-ifneq (, $(shell which go 2> /dev/null)) # suppress `command not found warnings` for non go targets in CI
-include ../../.bingo/Variables.mk
-endif
-
-############ go tooling ############
-include ../../.make/go.mk
-
-############ release ############
-include ../../.make/release.mk
-
-############ docs generate ############
-include ../../.make/docs.mk
-
-.PHONY: docs-generate
-docs-generate: config-docs-generate
-
-############ generate ############
-include ../../.make/generate.mk
-
-.PHONY: ci-go-generate
-ci-go-generate: # CI runs ci-node-generate automatically before this target
-
-.PHONY: ci-node-generate
-ci-node-generate:
-
-############ licenses ############
-.PHONY: ci-node-check-licenses
-ci-node-check-licenses:
-
-.PHONY: ci-node-save-licenses
-ci-node-save-licenses:

extensions/storage-metadata/pkg/command/command.go

@@ -1,267 +0,0 @@
-package command
-
-import (
-	"context"
-	"flag"
-	"fmt"
-	"os"
-	"path"
-
-	userpb "github.com/cs3org/go-cs3apis/cs3/identity/user/v1beta1"
-	"github.com/cs3org/reva/v2/cmd/revad/runtime"
-	"github.com/gofrs/uuid"
-	"github.com/oklog/run"
-	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config"
-	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config/parser"
-	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/server/debug"
-	ociscfg "github.com/owncloud/ocis/ocis-pkg/config"
-	"github.com/owncloud/ocis/ocis-pkg/log"
-	"github.com/owncloud/ocis/ocis-pkg/service/external"
-	"github.com/owncloud/ocis/ocis-pkg/sync"
-	"github.com/owncloud/ocis/ocis-pkg/tracing"
-	"github.com/owncloud/ocis/ocis-pkg/version"
-	"github.com/thejerf/suture/v4"
-	"github.com/urfave/cli/v2"
-)
-
-// StorageMetadata the entrypoint for the storage-storage-metadata command.
-//
-// It provides a ocis-specific storage store metadata (shares,account,settings...)
-func StorageMetadata(cfg *config.Config) *cli.Command {
-	return &cli.Command{
-		Name:     "storage-metadata",
-		Usage:    "start storage-metadata service",
-		Category: "extensions",
-		Before: func(ctx *cli.Context) error {
-			err := parser.ParseConfig(cfg)
-			if err != nil {
-				fmt.Printf("%v", err)
-			}
-			return err
-		},
-		Action: func(c *cli.Context) error {
-			logCfg := cfg.Logging
-			logger := log.NewLogger(
-				log.Level(logCfg.Level),
-				log.File(logCfg.File),
-				log.Pretty(logCfg.Pretty),
-				log.Color(logCfg.Color),
-			)
-			tracing.Configure(cfg.Tracing.Enabled, cfg.Tracing.Type, logger)
-
-			gr := run.Group{}
-			ctx, cancel := func() (context.Context, context.CancelFunc) {
-				if cfg.Context == nil {
-					return context.WithCancel(context.Background())
-				}
-				return context.WithCancel(cfg.Context)
-			}()
-
-			defer cancel()
-
-			pidFile := path.Join(os.TempDir(), "revad-"+c.Command.Name+"-"+uuid.Must(uuid.NewV4()).String()+".pid")
-			rcfg := storageMetadataFromStruct(c, cfg)
-
-			gr.Add(func() error {
-				runtime.RunWithOptions(
-					rcfg,
-					pidFile,
-					runtime.WithLogger(&logger.Logger),
-				)
-				return nil
-			}, func(_ error) {
-				logger.Info().
-					Str("server", c.Command.Name).
-					Msg("Shutting down server")
-
-				cancel()
-			})
-
-			debugServer, err := debug.Server(
-				debug.Logger(logger),
-				debug.Context(ctx),
-				debug.Config(cfg),
-			)
-
-			if err != nil {
-				logger.Info().
-					Err(err).
-					Str("server", c.Command.Name+"-debug").
-					Msg("Failed to initialize server")
-
-				return err
-			}
-
-			gr.Add(func() error {
-				return debugServer.ListenAndServe()
-			}, func(_ error) {
-				_ = debugServer.Shutdown(ctx)
-				cancel()
-			})
-
-			if !cfg.Supervised {
-				sync.Trap(&gr, cancel)
-			}
-
-			if err := external.RegisterGRPCEndpoint(
-				ctx,
-				"com.owncloud.storage.metadata",
-				uuid.Must(uuid.NewV4()).String(),
-				cfg.GRPC.Addr,
-				version.String,
-				logger,
-			); err != nil {
-				logger.Fatal().Err(err).Msg("failed to register the grpc endpoint")
-			}
-
-			return gr.Run()
-		},
-	}
-}
-
-// storageMetadataFromStruct will adapt an oCIS config struct into a reva mapstructure to start a reva service.
-func storageMetadataFromStruct(c *cli.Context, cfg *config.Config) map[string]interface{} {
-	rcfg := map[string]interface{}{
-		"core": map[string]interface{}{
-			"tracing_enabled":      cfg.Tracing.Enabled,
-			"tracing_endpoint":     cfg.Tracing.Endpoint,
-			"tracing_collector":    cfg.Tracing.Collector,
-			"tracing_service_name": c.Command.Name,
-		},
-		"shared": map[string]interface{}{
-			"jwt_secret":                cfg.TokenManager.JWTSecret,
-			"gatewaysvc":                cfg.Reva.Address,
-			"skip_user_groups_in_token": cfg.SkipUserGroupsInToken,
-		},
-		"grpc": map[string]interface{}{
-			"network": cfg.GRPC.Protocol,
-			"address": cfg.GRPC.Addr,
-			"services": map[string]interface{}{
-				"gateway": map[string]interface{}{
-					// registries are located on the gateway
-					"authregistrysvc":    cfg.GRPC.Addr,
-					"storageregistrysvc": cfg.GRPC.Addr,
-					// user metadata is located on the users services
-					"userprovidersvc":  cfg.GRPC.Addr,
-					"groupprovidersvc": cfg.GRPC.Addr,
-					"permissionssvc":   cfg.GRPC.Addr,
-					// other
-					"disable_home_creation_on_login": true, // metadata manually creates a space
-					// metadata always uses the simple upload, so no transfer secret or datagateway needed
-				},
-				"userprovider": map[string]interface{}{
-					"driver": "memory",
-					"drivers": map[string]interface{}{
-						"memory": map[string]interface{}{
-							"users": map[string]interface{}{
-								"serviceuser": map[string]interface{}{
-									"id": map[string]interface{}{
-										"opaqueId": cfg.MetadataUserID,
-										"idp":      "internal",
-										"type":     userpb.UserType_USER_TYPE_PRIMARY,
-									},
-									"username":     "serviceuser",
-									"display_name": "System User",
-								},
-							},
-						},
-					},
-				},
-				"authregistry": map[string]interface{}{
-					"driver": "static",
-					"drivers": map[string]interface{}{
-						"static": map[string]interface{}{
-							"rules": map[string]interface{}{
-								"machine": cfg.GRPC.Addr,
-							},
-						},
-					},
-				},
-				"authprovider": map[string]interface{}{
-					"auth_manager": "machine",
-					"auth_managers": map[string]interface{}{
-						"machine": map[string]interface{}{
-							"api_key":      cfg.MachineAuthAPIKey,
-							"gateway_addr": cfg.GRPC.Addr,
-						},
-					},
-				},
-				"permissions": map[string]interface{}{
-					"driver": "demo",
-					"drivers": map[string]interface{}{
-						"demo": map[string]interface{}{},
-					},
-				},
-				"storageregistry": map[string]interface{}{
-					"driver": "static",
-					"drivers": map[string]interface{}{
-						"static": map[string]interface{}{
-							"rules": map[string]interface{}{
-								"/": map[string]interface{}{
-									"address": cfg.GRPC.Addr,
-								},
-							},
-						},
-					},
-				},
-				"storageprovider": map[string]interface{}{
-					"driver":          cfg.Driver,
-					"drivers":         config.MetadataDrivers(cfg),
-					"data_server_url": cfg.DataServerURL,
-					"tmp_folder":      cfg.TempFolder,
-				},
-			},
-		},
-		"http": map[string]interface{}{
-			"network": cfg.HTTP.Protocol,
-			"address": cfg.HTTP.Addr,
-			// no datagateway needed as the metadata clients directly talk to the dataprovider with the simple protocol
-			"services": map[string]interface{}{
-				"dataprovider": map[string]interface{}{
-					"prefix":      "data",
-					"driver":      cfg.Driver,
-					"drivers":     config.MetadataDrivers(cfg),
-					"timeout":     86400,
-					"insecure":    cfg.DataProviderInsecure,
-					"disable_tus": true,
-				},
-			},
-		},
-	}
-	return rcfg
-}
-
-// SutureService allows for the storage-metadata command to be embedded and supervised by a suture supervisor tree.
-type MetadataSutureService struct {
-	cfg *config.Config
-}
-
-// NewSutureService creates a new storagemetadata.SutureService
-func NewStorageMetadata(cfg *ociscfg.Config) suture.Service {
-	cfg.StorageMetadata.Commons = cfg.Commons
-	return MetadataSutureService{
-		cfg: cfg.StorageMetadata,
-	}
-}
-
-func (s MetadataSutureService) Serve(ctx context.Context) error {
-	s.cfg.Context = ctx
-	f := &flag.FlagSet{}
-	cmdFlags := StorageMetadata(s.cfg).Flags
-	for k := range cmdFlags {
-		if err := cmdFlags[k].Apply(f); err != nil {
-			return err
-		}
-	}
-	cliCtx := cli.NewContext(nil, f, nil)
-	if StorageMetadata(s.cfg).Before != nil {
-		if err := StorageMetadata(s.cfg).Before(cliCtx); err != nil {
-			return err
-		}
-	}
-	if err := StorageMetadata(s.cfg).Action(cliCtx); err != nil {
-		return err
-	}
-
-	return nil
-}

extensions/storage-metadata/pkg/command/health.go

@@ -0,0 +1,57 @@
+package command
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config/parser"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/logging"
+	"github.com/urfave/cli/v2"
+)
+
+// Health is the entrypoint for the health command.
+func Health(cfg *config.Config) *cli.Command {
+	return &cli.Command{
+		Name:     "health",
+		Usage:    "check health status",
+		Category: "info",
+		Before: func(c *cli.Context) error {
+			err := parser.ParseConfig(cfg)
+			if err != nil {
+				fmt.Printf("%v", err)
+			}
+			return err
+		},
+		Action: func(c *cli.Context) error {
+			logger := logging.Configure(cfg.Service.Name, cfg.Log)
+
+			resp, err := http.Get(
+				fmt.Sprintf(
+					"http://%s/healthz",
+					cfg.Debug.Addr,
+				),
+			)
+
+			if err != nil {
+				logger.Fatal().
+					Err(err).
+					Msg("Failed to request health check")
+			}
+
+			defer resp.Body.Close()
+
+			if resp.StatusCode != http.StatusOK {
+				logger.Fatal().
+					Int("code", resp.StatusCode).
+					Msg("Health seems to be in bad state")
+			}
+
+			logger.Debug().
+				Int("code", resp.StatusCode).
+				Msg("Health got a good state")
+
+			return nil
+		},
+	}
+}

extensions/storage-metadata/pkg/command/root.go

@@ -0,0 +1,64 @@
+package command
+
+import (
+	"context"
+	"os"
+
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config"
+	"github.com/owncloud/ocis/ocis-pkg/clihelper"
+	ociscfg "github.com/owncloud/ocis/ocis-pkg/config"
+	"github.com/thejerf/suture/v4"
+	"github.com/urfave/cli/v2"
+)
+
+// GetCommands provides all commands for this service
+func GetCommands(cfg *config.Config) cli.Commands {
+	return []*cli.Command{
+		// start this service
+		Server(cfg),
+
+		// interaction with this service
+
+		// infos about this service
+		Health(cfg),
+		Version(cfg),
+	}
+}
+
+// Execute is the entry point for the ocis-storage-metadata command.
+func Execute(cfg *config.Config) error {
+	app := clihelper.DefaultApp(&cli.App{
+		Name:     "ocis-storage-metadata",
+		Usage:    "Provide apps for oCIS",
+		Commands: GetCommands(cfg),
+	})
+
+	cli.HelpFlag = &cli.BoolFlag{
+		Name:  "help,h",
+		Usage: "Show the help",
+	}
+
+	return app.Run(os.Args)
+}
+
+// SutureService allows for the storage-metadata command to be embedded and supervised by a suture supervisor tree.
+type SutureService struct {
+	cfg *config.Config
+}
+
+// NewSutureService creates a new storage-metadata.SutureService
+func NewSutureService(cfg *ociscfg.Config) suture.Service {
+	cfg.StorageMetadata.Commons = cfg.Commons
+	return SutureService{
+		cfg: cfg.StorageMetadata,
+	}
+}
+
+func (s SutureService) Serve(ctx context.Context) error {
+	s.cfg.Context = ctx
+	if err := Execute(s.cfg); err != nil {
+		return err
+	}
+
+	return nil
+}

extensions/storage-metadata/pkg/command/server.go

@@ -0,0 +1,118 @@
+package command
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path"
+
+	"github.com/cs3org/reva/v2/cmd/revad/runtime"
+	"github.com/gofrs/uuid"
+	"github.com/oklog/run"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config/parser"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/logging"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/revaconfig"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/server/debug"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/tracing"
+	"github.com/owncloud/ocis/ocis-pkg/service/external"
+	"github.com/owncloud/ocis/ocis-pkg/sync"
+	"github.com/owncloud/ocis/ocis-pkg/version"
+	"github.com/urfave/cli/v2"
+)
+
+// Server is the entry point for the server command.
+func Server(cfg *config.Config) *cli.Command {
+	return &cli.Command{
+		Name:     "server",
+		Usage:    fmt.Sprintf("start %s extension without runtime (unsupervised mode)", cfg.Service.Name),
+		Category: "server",
+		Before: func(c *cli.Context) error {
+			err := parser.ParseConfig(cfg)
+			if err != nil {
+				fmt.Printf("%v", err)
+			}
+			return err
+		},
+		Action: func(c *cli.Context) error {
+			logger := logging.Configure(cfg.Service.Name, cfg.Log)
+			err := tracing.Configure(cfg, logger)
+			if err != nil {
+				return err
+			}
+			gr := run.Group{}
+			ctx, cancel := defineContext(cfg)
+
+			defer cancel()
+
+			pidFile := path.Join(os.TempDir(), "revad-"+cfg.Service.Name+"-"+uuid.Must(uuid.NewV4()).String()+".pid")
+
+			rcfg := revaconfig.StorageMetadataFromStruct(cfg)
+
+			gr.Add(func() error {
+				runtime.RunWithOptions(rcfg, pidFile, runtime.WithLogger(&logger.Logger))
+				return nil
+			}, func(_ error) {
+				logger.Info().
+					Str("server", cfg.Service.Name).
+					Msg("Shutting down server")
+
+				cancel()
+			})
+
+			debugServer, err := debug.Server(
+				debug.Logger(logger),
+				debug.Context(ctx),
+				debug.Config(cfg),
+			)
+
+			if err != nil {
+				logger.Info().Err(err).Str("server", "debug").Msg("Failed to initialize server")
+				return err
+			}
+
+			gr.Add(debugServer.ListenAndServe, func(_ error) {
+				cancel()
+			})
+
+			if !cfg.Supervised {
+				sync.Trap(&gr, cancel)
+			}
+
+			if err := external.RegisterGRPCEndpoint(
+				ctx,
+				cfg.GRPC.Namespace+"."+cfg.Service.Name,
+				uuid.Must(uuid.NewV4()).String(),
+				cfg.GRPC.Addr,
+				version.String,
+				logger,
+			); err != nil {
+				logger.Fatal().Err(err).Msg("failed to register the grpc endpoint")
+			}
+
+			if err := external.RegisterHTTPEndpoint(
+				ctx,
+				cfg.HTTP.Namespace+"."+cfg.Service.Name,
+				uuid.Must(uuid.NewV4()).String(),
+				cfg.HTTP.Addr,
+				version.String,
+				logger,
+			); err != nil {
+				logger.Fatal().Err(err).Msg("failed to register the http endpoint")
+			}
+
+			return gr.Run()
+		},
+	}
+}
+
+// defineContext sets the context for the extension. If there is a context configured it will create a new child from it,
+// if not, it will create a root context that can be cancelled.
+func defineContext(cfg *config.Config) (context.Context, context.CancelFunc) {
+	return func() (context.Context, context.CancelFunc) {
+		if cfg.Context == nil {
+			return context.WithCancel(context.Background())
+		}
+		return context.WithCancel(cfg.Context)
+	}()
+}

extensions/storage-metadata/pkg/command/version.go

@@ -0,0 +1,50 @@
+package command
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/owncloud/ocis/ocis-pkg/registry"
+	"github.com/owncloud/ocis/ocis-pkg/version"
+
+	tw "github.com/olekukonko/tablewriter"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config"
+	"github.com/urfave/cli/v2"
+)
+
+// Version prints the service versions of all running instances.
+func Version(cfg *config.Config) *cli.Command {
+	return &cli.Command{
+		Name:     "version",
+		Usage:    "print the version of this binary and the running extension instances",
+		Category: "info",
+		Action: func(c *cli.Context) error {
+			fmt.Println("Version: " + version.String)
+			fmt.Printf("Compiled: %s\n", version.Compiled())
+			fmt.Println("")
+
+			reg := registry.GetRegistry()
+			services, err := reg.GetService(cfg.GRPC.Namespace + "." + cfg.Service.Name)
+			if err != nil {
+				fmt.Println(fmt.Errorf("could not get %s services from the registry: %v", cfg.Service.Name, err))
+				return err
+			}
+
+			if len(services) == 0 {
+				fmt.Println("No running " + cfg.Service.Name + " service found.")
+				return nil
+			}
+
+			table := tw.NewWriter(os.Stdout)
+			table.SetHeader([]string{"Version", "Address", "Id"})
+			table.SetAutoFormatHeaders(false)
+			for _, s := range services {
+				for _, n := range s.Nodes {
+					table.Append([]string{s.Version, n.Address, n.Id})
+				}
+			}
+			table.Render()
+			return nil
+		},
+	}
+}

extensions/storage-metadata/pkg/config/config.go

@@ -10,15 +10,12 @@ type Config struct {
 	*shared.Commons `yaml:"-"`
 	Service         Service  `yaml:"-"`
 	Tracing         *Tracing `yaml:"tracing"`
-	Logging         *Logging `yaml:"log"`
+	Log             *Log     `yaml:"log"`
 	Debug           Debug    `yaml:"debug"`
-	Supervised      bool     `yaml:"-"`
 
 	GRPC GRPCConfig `yaml:"grpc"`
 	HTTP HTTPConfig `yaml:"http"`
 
-	Context context.Context `yaml:"context"`
-
 	TokenManager      *TokenManager `yaml:"token_manager"`
 	Reva              *Reva         `yaml:"reva"`
 	MachineAuthAPIKey string        `yaml:"machine_auth_api_key" env:"STORAGE_METADATA_MACHINE_AUTH_API_KEY"`
@@ -30,6 +27,9 @@ type Config struct {
 	DataServerURL         string  `yaml:"data_server_url"`
 	TempFolder            string  `yaml:"temp_folder"`
 	DataProviderInsecure  bool    `yaml:"data_provider_insecure" env:"OCIS_INSECURE;STORAGE_METADATA_DATAPROVIDER_INSECURE"`
+
+	Supervised bool            `yaml:"-"`
+	Context    context.Context `yaml:"-"`
 }
 type Tracing struct {
 	Enabled   bool   `yaml:"enabled" env:"OCIS_TRACING_ENABLED;STORAGE_METADATA_TRACING_ENABLED" desc:"Activates tracing."`
@@ -38,7 +38,7 @@ type Tracing struct {
 	Collector string `yaml:"collector" env:"OCIS_TRACING_COLLECTOR;STORAGE_METADATA_TRACING_COLLECTOR"`
 }
 
-type Logging struct {
+type Log struct {
 	Level  string `yaml:"level" env:"OCIS_LOG_LEVEL;STORAGE_METADATA_LOG_LEVEL" desc:"The log level."`
 	Pretty bool   `yaml:"pretty" env:"OCIS_LOG_PRETTY;STORAGE_METADATA_LOG_PRETTY" desc:"Activates pretty log output."`
 	Color  bool   `yaml:"color" env:"OCIS_LOG_COLOR;STORAGE_METADATA_LOG_COLOR" desc:"Activates colorized log output."`
@@ -57,13 +57,15 @@ type Debug struct {
 }
 
 type GRPCConfig struct {
-	Addr     string `yaml:"addr" env:"STORAGE_METADATA_GRPC_ADDR" desc:"The address of the grpc service."`
-	Protocol string `yaml:"protocol" env:"STORAGE_METADATA_GRPC_PROTOCOL" desc:"The transport protocol of the grpc service."`
+	Addr      string `yaml:"addr" env:"STORAGE_METADATA_GRPC_ADDR" desc:"The address of the grpc service."`
+	Namespace string `yaml:"-"`
+	Protocol  string `yaml:"protocol" env:"STORAGE_METADATA_GRPC_PROTOCOL" desc:"The transport protocol of the grpc service."`
 }
 
 type HTTPConfig struct {
-	Addr     string `yaml:"addr" env:"STORAGE_METADATA_HTTP_ADDR" desc:"The address of the http service."`
-	Protocol string `yaml:"protocol" env:"STORAGE_METADATA_HTTP_PROTOCOL" desc:"The transport protocol of the http service."`
+	Addr      string `yaml:"addr" env:"STORAGE_METADATA_HTTP_ADDR" desc:"The address of the http service."`
+	Namespace string `yaml:"-"`
+	Protocol  string `yaml:"protocol" env:"STORAGE_METADATA_HTTP_PROTOCOL" desc:"The transport protocol of the http service."`
 }
 
 type Drivers struct {

extensions/storage-metadata/pkg/config/defaults/defaultconfig.go

@@ -24,12 +24,14 @@ func DefaultConfig() *config.Config {
 			Zpages: false,
 		},
 		GRPC: config.GRPCConfig{
-			Addr:     "127.0.0.1:9215",
-			Protocol: "tcp",
+			Addr:      "127.0.0.1:9215",
+			Namespace: "com.owncloud.api",
+			Protocol:  "tcp",
 		},
 		HTTP: config.HTTPConfig{
-			Addr:     "127.0.0.1:9216",
-			Protocol: "tcp",
+			Addr:      "127.0.0.1:9216",
+			Namespace: "com.owncloud.web",
+			Protocol:  "tcp",
 		},
 		Service: config.Service{
 			Name: "storage-metadata",
@@ -84,15 +86,15 @@ func DefaultConfig() *config.Config {
 
 func EnsureDefaults(cfg *config.Config) {
 	// provide with defaults for shared logging, since we need a valid destination address for BindEnv.
-	if cfg.Logging == nil && cfg.Commons != nil && cfg.Commons.Log != nil {
-		cfg.Logging = &config.Logging{
+	if cfg.Log == nil && cfg.Commons != nil && cfg.Commons.Log != nil {
+		cfg.Log = &config.Log{
 			Level:  cfg.Commons.Log.Level,
 			Pretty: cfg.Commons.Log.Pretty,
 			Color:  cfg.Commons.Log.Color,
 			File:   cfg.Commons.Log.File,
 		}
-	} else if cfg.Logging == nil {
-		cfg.Logging = &config.Logging{}
+	} else if cfg.Log == nil {
+		cfg.Log = &config.Log{}
 	}
 	// provide with defaults for shared tracing, since we need a valid destination address for BindEnv.
 	if cfg.Tracing == nil && cfg.Commons != nil && cfg.Commons.Tracing != nil {

extensions/storage-metadata/pkg/logging/logging.go

@@ -0,0 +1,17 @@
+package logging
+
+import (
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config"
+	"github.com/owncloud/ocis/ocis-pkg/log"
+)
+
+// LoggerFromConfig initializes a service-specific logger instance.
+func Configure(name string, cfg *config.Log) log.Logger {
+	return log.NewLogger(
+		log.Name(name),
+		log.Level(cfg.Level),
+		log.Pretty(cfg.Pretty),
+		log.Color(cfg.Color),
+		log.File(cfg.File),
+	)
+}

extensions/storage-metadata/pkg/revaconfig/config.go

@@ -0,0 +1,118 @@
+package revaconfig
+
+import (
+	userpb "github.com/cs3org/go-cs3apis/cs3/identity/user/v1beta1"
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config"
+)
+
+// StorageMetadataFromStruct will adapt an oCIS config struct into a reva mapstructure to start a reva service.
+func StorageMetadataFromStruct(cfg *config.Config) map[string]interface{} {
+	rcfg := map[string]interface{}{
+		"core": map[string]interface{}{
+			"tracing_enabled":      cfg.Tracing.Enabled,
+			"tracing_endpoint":     cfg.Tracing.Endpoint,
+			"tracing_collector":    cfg.Tracing.Collector,
+			"tracing_service_name": cfg.Service.Name,
+		},
+		"shared": map[string]interface{}{
+			"jwt_secret":                cfg.TokenManager.JWTSecret,
+			"gatewaysvc":                cfg.Reva.Address,
+			"skip_user_groups_in_token": cfg.SkipUserGroupsInToken,
+		},
+		"grpc": map[string]interface{}{
+			"network": cfg.GRPC.Protocol,
+			"address": cfg.GRPC.Addr,
+			"services": map[string]interface{}{
+				"gateway": map[string]interface{}{
+					// registries are located on the gateway
+					"authregistrysvc":    cfg.GRPC.Addr,
+					"storageregistrysvc": cfg.GRPC.Addr,
+					// user metadata is located on the users services
+					"userprovidersvc":  cfg.GRPC.Addr,
+					"groupprovidersvc": cfg.GRPC.Addr,
+					"permissionssvc":   cfg.GRPC.Addr,
+					// other
+					"disable_home_creation_on_login": true, // metadata manually creates a space
+					// metadata always uses the simple upload, so no transfer secret or datagateway needed
+				},
+				"userprovider": map[string]interface{}{
+					"driver": "memory",
+					"drivers": map[string]interface{}{
+						"memory": map[string]interface{}{
+							"users": map[string]interface{}{
+								"serviceuser": map[string]interface{}{
+									"id": map[string]interface{}{
+										"opaqueId": cfg.MetadataUserID,
+										"idp":      "internal",
+										"type":     userpb.UserType_USER_TYPE_PRIMARY,
+									},
+									"username":     "serviceuser",
+									"display_name": "System User",
+								},
+							},
+						},
+					},
+				},
+				"authregistry": map[string]interface{}{
+					"driver": "static",
+					"drivers": map[string]interface{}{
+						"static": map[string]interface{}{
+							"rules": map[string]interface{}{
+								"machine": cfg.GRPC.Addr,
+							},
+						},
+					},
+				},
+				"authprovider": map[string]interface{}{
+					"auth_manager": "machine",
+					"auth_managers": map[string]interface{}{
+						"machine": map[string]interface{}{
+							"api_key":      cfg.MachineAuthAPIKey,
+							"gateway_addr": cfg.GRPC.Addr,
+						},
+					},
+				},
+				"permissions": map[string]interface{}{
+					"driver": "demo",
+					"drivers": map[string]interface{}{
+						"demo": map[string]interface{}{},
+					},
+				},
+				"storageregistry": map[string]interface{}{
+					"driver": "static",
+					"drivers": map[string]interface{}{
+						"static": map[string]interface{}{
+							"rules": map[string]interface{}{
+								"/": map[string]interface{}{
+									"address": cfg.GRPC.Addr,
+								},
+							},
+						},
+					},
+				},
+				"storageprovider": map[string]interface{}{
+					"driver":          cfg.Driver,
+					"drivers":         config.MetadataDrivers(cfg),
+					"data_server_url": cfg.DataServerURL,
+					"tmp_folder":      cfg.TempFolder,
+				},
+			},
+		},
+		"http": map[string]interface{}{
+			"network": cfg.HTTP.Protocol,
+			"address": cfg.HTTP.Addr,
+			// no datagateway needed as the metadata clients directly talk to the dataprovider with the simple protocol
+			"services": map[string]interface{}{
+				"dataprovider": map[string]interface{}{
+					"prefix":      "data",
+					"driver":      cfg.Driver,
+					"drivers":     config.MetadataDrivers(cfg),
+					"timeout":     86400,
+					"insecure":    cfg.DataProviderInsecure,
+					"disable_tus": true,
+				},
+			},
+		},
+	}
+	return rcfg
+}

extensions/storage-metadata/pkg/tracing/tracing.go

@@ -0,0 +1,18 @@
+package tracing
+
+import (
+	"github.com/owncloud/ocis/extensions/storage-metadata/pkg/config"
+	"github.com/owncloud/ocis/ocis-pkg/log"
+	"github.com/owncloud/ocis/ocis-pkg/tracing"
+	"go.opentelemetry.io/otel/trace"
+)
+
+var (
+	// TraceProvider is the global trace provider for the proxy service.
+	TraceProvider = trace.NewNoopTracerProvider()
+)
+
+func Configure(cfg *config.Config, logger log.Logger) error {
+	tracing.Configure(cfg.Tracing.Enabled, cfg.Tracing.Type, logger)
+	return nil
+}