refactor remaining code from urfave/cli

Signed-off-by: Christian Richter <c.richter@opencloud.eu>

pkg/service/http/option.go

@@ -6,7 +6,8 @@ import (
 
 	"github.com/opencloud-eu/opencloud/pkg/log"
 	"github.com/opencloud-eu/opencloud/pkg/shared"
-	"github.com/urfave/cli/v2"
+
+	"github.com/spf13/pflag"
 	"go.opentelemetry.io/otel/trace"
 )
 
@@ -23,7 +24,7 @@ type Options struct {
 	Address       string
 	Handler       http.Handler
 	Context       context.Context
-	Flags         []cli.Flag
+	Flags         []pflag.Flag
 	TraceProvider trace.TracerProvider
 }
 
@@ -83,7 +84,7 @@ func Context(ctx context.Context) Option {
 }
 
 // Flags provides a function to set the flags option.
-func Flags(flags ...cli.Flag) Option {
+func Flags(flags ...pflag.Flag) Option {
 	return func(o *Options) {
 		o.Flags = append(o.Flags, flags...)
 	}

pkg/service/http/service.go

@@ -62,7 +62,8 @@ func NewService(opts ...Option) (Service, error) {
 		micro.Name(strings.Join([]string{sopts.Namespace, sopts.Name}, ".")),
 		micro.Version(sopts.Version),
 		micro.Context(sopts.Context),
-		micro.Flags(sopts.Flags...),
+		// TODO: clarify if this is actually used on the go-micro side
+		//micro.Flags(sopts.Flags...),
 		micro.Registry(registry.GetRegistry()),
 		micro.RegisterTTL(registry.GetRegisterTTL()),
 		micro.RegisterInterval(registry.GetRegisterInterval()),