Add labeling for profiles

Fix GoogleContainerTools#679

Signed-off-by: David Gageot <[email protected]>

pkg/skaffold/config/options.go

@@ -17,7 +17,7 @@ limitations under the License.
 package config
 
 import (
-	"fmt"
+	"strings"
 )
 
 // SkaffoldOptions are options that are set by command line arguments not included
@@ -33,11 +33,16 @@ type SkaffoldOptions struct {
 // Labels returns a map of labels to be applied to all deployed
 // k8s objects during the duration of the run
 func (opts *SkaffoldOptions) Labels() map[string]string {
-	labels := map[string]string{
-		"cleanup": fmt.Sprintf("%t", opts.Cleanup),
+	labels := map[string]string{}
+
+	if opts.Cleanup {
+		labels["cleanup"] = "true"
 	}
 	if opts.Namespace != "" {
 		labels["namespace"] = opts.Namespace
 	}
+	if len(opts.Profiles) > 0 {
+		labels["profiles"] = strings.Join(opts.Profiles, ",")
+	}
 	return labels
 }

pkg/skaffold/config/options_test.go

@@ -0,0 +1,79 @@
+/*
+Copyright 2018 The Skaffold Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package config
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestLabels(t *testing.T) {
+	tests := []struct {
+		description    string
+		options        SkaffoldOptions
+		expectedLabels map[string]string
+	}{
+		{
+			description:    "empty",
+			options:        SkaffoldOptions{},
+			expectedLabels: map[string]string{},
+		},
+		{
+			description:    "cleanup",
+			options:        SkaffoldOptions{Cleanup: true},
+			expectedLabels: map[string]string{"cleanup": "true"},
+		},
+		{
+			description:    "namespace",
+			options:        SkaffoldOptions{Namespace: "NS"},
+			expectedLabels: map[string]string{"namespace": "NS"},
+		},
+		{
+			description:    "profile",
+			options:        SkaffoldOptions{Profiles: []string{"profile"}},
+			expectedLabels: map[string]string{"profiles": "profile"},
+		},
+		{
+			description:    "profiles",
+			options:        SkaffoldOptions{Profiles: []string{"profile1", "profile2"}},
+			expectedLabels: map[string]string{"profiles": "profile1,profile2"},
+		},
+		{
+			description: "all labels",
+			options: SkaffoldOptions{
+				Cleanup:   true,
+				Namespace: "namespace",
+				Profiles:  []string{"p1", "p2"},
+			},
+			expectedLabels: map[string]string{
+				"cleanup":   "true",
+				"namespace": "namespace",
+				"profiles":  "p1,p2",
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.description, func(t *testing.T) {
+			labels := test.options.Labels()
+
+			if !reflect.DeepEqual(test.expectedLabels, labels) {
+				t.Errorf("Wrong labels. Expected %v. Got %v", test.expectedLabels, labels)
+			}
+		})
+	}
+}