re-use config and convert plugin clients

plugin/config/global.go

@@ -18,23 +18,27 @@ import (
 // Global returns a configuration service that fetches the yaml
 // configuration from a remote endpoint.
 func Global(endpoint, signer string, skipVerify bool) core.ConfigService {
+	if endpoint == "" {
+		return new(global)
+	}
 	return &global{
-		endpoint:   endpoint,
-		secret:     signer,
-		skipVerify: skipVerify,
+		client: config.Client(
+			endpoint,
+			signer,
+			skipVerify,
+		),
 	}
 }
 
 type global struct {
-	endpoint   string
-	secret     string
-	skipVerify bool
+	client config.Plugin
 }
 
 func (g *global) Find(ctx context.Context, in *core.ConfigArgs) (*core.Config, error) {
-	if g.endpoint == "" {
+	if g.client == nil {
 		return nil, nil
 	}
+
 	// include a timeout to prevent an API call from
 	// hanging the build process indefinitely. The
 	// external service must return a request within
@@ -46,8 +50,8 @@ func (g *global) Find(ctx context.Context, in *core.ConfigArgs) (*core.Config, e
 		Repo:  toRepo(in.Repo),
 		Build: toBuild(in.Build),
 	}
-	client := config.Client(g.endpoint, g.secret, g.skipVerify)
-	res, err := client.Find(ctx, req)
+
+	res, err := g.client.Find(ctx, req)
 	if err != nil {
 		return nil, err
 	}

plugin/converter/memoize.go

@@ -48,7 +48,7 @@ type memoize struct {
 func (c *memoize) Convert(ctx context.Context, req *core.ConvertArgs) (*core.Config, error) {
 	// this is a minor optimization that prevents caching if the
 	// base converter is a remote converter and is disabled.
-	if remote, ok := c.base.(*remote); ok == true && remote.endpoint == "" {
+	if remote, ok := c.base.(*remote); ok == true && remote.client == nil {
 		return nil, nil
 	}
 

plugin/converter/remote.go

@@ -19,23 +19,26 @@ import (
 // Remote returns a conversion service that converts the
 // configuration file using a remote http service.
 func Remote(endpoint, signer, extension string, skipVerify bool) core.ConvertService {
+	if endpoint == "" {
+		return new(remote)
+	}
 	return &remote{
-		extension:  extension,
-		endpoint:   endpoint,
-		secret:     signer,
-		skipVerify: skipVerify,
+		extension: extension,
+		client: converter.Client(
+			endpoint,
+			signer,
+			skipVerify,
+		),
 	}
 }
 
 type remote struct {
-	extension  string
-	endpoint   string
-	secret     string
-	skipVerify bool
+	client    converter.Plugin
+	extension string
 }
 
 func (g *remote) Convert(ctx context.Context, in *core.ConvertArgs) (*core.Config, error) {
-	if g.endpoint == "" {
+	if g.client == nil {
 		return nil, nil
 	}
 	if g.extension != "" {
@@ -57,8 +60,8 @@ func (g *remote) Convert(ctx context.Context, in *core.ConvertArgs) (*core.Confi
 			Data: in.Config.Data,
 		},
 	}
-	client := converter.Client(g.endpoint, g.secret, g.skipVerify)
-	res, err := client.Convert(ctx, req)
+
+	res, err := g.client.Convert(ctx, req)
 	if err != nil {
 		return nil, err
 	}

plugin/converter/remote_test.go

@@ -5,3 +5,49 @@
 // +build !oss
 
 package converter
+
+import (
+	"context"
+	"testing"
+
+	"github.com/drone/drone/core"
+	"github.com/h2non/gock"
+)
+
+func TestConvert(t *testing.T) {
+	defer gock.Off()
+
+	gock.New("https://company.com").
+		Post("/convert").
+		MatchHeader("Accept", "application/vnd.drone.convert.v1\\+json").
+		MatchHeader("Accept-Encoding", "identity").
+		MatchHeader("Content-Type", "application/json").
+		Reply(200).
+		BodyString(`{"data": "{ kind: pipeline, type: docker, name: default }"}`).
+		Done()
+
+	args := &core.ConvertArgs{
+		User:  &core.User{Login: "octocat"},
+		Repo:  &core.Repository{Slug: "octocat/hello-world", Config: ".drone.yml"},
+		Build: &core.Build{After: "6d144de7"},
+		Config: &core.Config{
+			Data: "{ kind: pipeline, name: default }",
+		},
+	}
+
+	service := Remote("https://company.com/convert", "GMEuUHQfmrMRsseWxi9YlIeBtn9lm6im", "", false)
+	result, err := service.Convert(context.Background(), args)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+
+	if result.Data != "{ kind: pipeline, type: docker, name: default }" {
+		t.Errorf("unexpected file contents")
+	}
+
+	if gock.IsPending() {
+		t.Errorf("Unfinished requests")
+		return
+	}
+}