Basic service boilerplate for settings bundles

pkg/server/grpc/option.go

@@ -0,0 +1,74 @@
+package grpc
+
+import (
+	"context"
+
+	"github.com/owncloud/ocis-settings/pkg/config"
+	"github.com/owncloud/ocis-pkg/v2/log"
+)
+
+// Option defines a single option function.
+type Option func(o *Options)
+
+// Options defines the available options for this package.
+type Options struct {
+	Name      string
+	Address   string
+	Logger    log.Logger
+	Context   context.Context
+	Config    *config.Config
+	Namespace string
+}
+
+// newOptions initializes the available default options.
+func newOptions(opts ...Option) Options {
+	opt := Options{}
+
+	for _, o := range opts {
+		o(&opt)
+	}
+
+	return opt
+}
+
+// Logger provides a function to set the logger option.
+func Logger(val log.Logger) Option {
+	return func(o *Options) {
+		o.Logger = val
+	}
+}
+
+// Name provides a name for the service.
+func Name(val string) Option {
+	return func(o *Options) {
+		o.Name = val
+	}
+}
+
+// Address provides an address for the service.
+func Address(val string) Option {
+	return func(o *Options) {
+		o.Address = val
+	}
+}
+
+// Context provides a function to set the context option.
+func Context(val context.Context) Option {
+	return func(o *Options) {
+		o.Context = val
+	}
+}
+
+// Config provides a function to set the config option.
+func Config(val *config.Config) Option {
+	return func(o *Options) {
+		o.Config = val
+	}
+}
+
+// Namespace provides a function to set the namespace option.
+func Namespace(val string) Option {
+	return func(o *Options) {
+		o.Namespace = val
+	}
+}

pkg/server/grpc/server.go

@@ -0,0 +1,28 @@
+package grpc
+
+import (
+	"github.com/owncloud/ocis-settings/pkg/proto/v0"
+	svc "github.com/owncloud/ocis-settings/pkg/service/v0"
+	"github.com/owncloud/ocis-pkg/v2/service/grpc"
+)
+
+// NewService initializes a new go-micro service ready to run
+func Server(opts ...Option) grpc.Service {
+	options := newOptions(opts...)
+
+	service := grpc.NewService(
+		grpc.Name(options.Name),
+		grpc.Context(options.Context),
+		grpc.Address(options.Address),
+		grpc.Namespace(options.Namespace),
+		grpc.Logger(options.Logger),
+	)
+
+	hdlr := svc.NewService(options.Config)
+	if err := proto.RegisterBundleServiceHandler(service.Server(), hdlr); err != nil {
+		options.Logger.Fatal().Err(err).Msg("could not register service handler")
+	}
+
+	service.Init()
+	return service
+}