Use new package structuring, embed existing extensions

pkg/command/graph.go

@@ -0,0 +1,84 @@
+package command
+
+import (
+	"context"
+
+	"github.com/micro/cli"
+	"github.com/oklog/run"
+	"github.com/owncloud/ocis-graph/pkg/command"
+	svcconfig "github.com/owncloud/ocis-graph/pkg/config"
+	"github.com/owncloud/ocis-graph/pkg/flagset"
+	"github.com/owncloud/ocis-graph/pkg/metrics"
+	"github.com/owncloud/ocis-graph/pkg/server/http"
+	"github.com/owncloud/ocis/pkg/config"
+	"github.com/owncloud/ocis/pkg/register"
+)
+
+// GraphCommand is the entrypoint for the graph command.
+func GraphCommand(cfg *config.Config) cli.Command {
+	return cli.Command{
+		Name:  "graph",
+		Usage: "Start graph server",
+		Flags: flagset.ServerWithConfig(cfg.Graph),
+		Action: func(c *cli.Context) error {
+			scfg := configureGraph(cfg)
+
+			return cli.HandleAction(
+				command.Server(scfg).Action,
+				c,
+			)
+		},
+	}
+}
+
+// GraphHandler defines the direct server handler.
+func GraphHandler(ctx context.Context, cancel context.CancelFunc, gr run.Group, cfg *config.Config) error {
+	scfg := configureGraph(cfg)
+	logger := command.NewLogger(scfg)
+	m := metrics.New()
+
+	{
+		server, err := http.Server(
+			http.Logger(logger),
+			http.Context(ctx),
+			http.Config(scfg),
+			http.Metrics(m),
+		)
+
+		if err != nil {
+			logger.Info().
+				Err(err).
+				Str("transport", "http").
+				Msg("Failed to initialize server")
+
+			return err
+		}
+
+		gr.Add(func() error {
+			return server.Run()
+		}, func(_ error) {
+			logger.Info().
+				Str("transport", "http").
+				Msg("Shutting down server")
+
+			cancel()
+		})
+	}
+
+	return nil
+}
+
+func configureGraph(cfg *config.Config) *svcconfig.Config {
+	cfg.Graph.Log.Level = cfg.Log.Level
+	cfg.Graph.Log.Pretty = cfg.Log.Pretty
+	cfg.Graph.Log.Color = cfg.Log.Color
+	cfg.Graph.Tracing.Enabled = false
+	cfg.Graph.HTTP.Root = "/"
+
+	return cfg.Graph
+}
+
+func init() {
+	register.AddCommand(GraphCommand)
+	register.AddHandler(GraphHandler)
+}