update micro/cli to urfave/cli/v2 and fix go-micro

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

web/options.go

@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/micro/cli"
+	"github.com/micro/cli/v2"
 	"github.com/micro/go-micro"
 	"github.com/micro/go-micro/registry"
 )

web/service.go

@@ -14,7 +14,6 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/micro/cli"
 	"github.com/micro/go-micro"
 	"github.com/micro/go-micro/registry"
 	maddr "github.com/micro/go-micro/util/addr"
@@ -22,6 +21,7 @@ import (
 	"github.com/micro/go-micro/util/log"
 	mnet "github.com/micro/go-micro/util/net"
 	mls "github.com/micro/go-micro/util/tls"
+	"github.com/micro/cli/v2"
 )
 
 type service struct {
@@ -327,7 +327,7 @@ func (s *service) Init(opts ...Option) error {
 		serviceOpts = append(serviceOpts, micro.Registry(s.opts.Registry))
 	}
 
-	serviceOpts = append(serviceOpts, micro.Action(func(ctx *cli.Context) {
+	serviceOpts = append(serviceOpts, micro.Action(func(ctx *cli.Context) error {
 		if ttl := ctx.Int("register_ttl"); ttl > 0 {
 			s.opts.RegisterTTL = time.Duration(ttl) * time.Second
 		}
@@ -359,6 +359,8 @@ func (s *service) Init(opts ...Option) error {
 		if s.opts.Action != nil {
 			s.opts.Action(ctx)
 		}
+
+		return nil
 	}))
 
 	s.opts.Service.Init(serviceOpts...)