Implements labels and annotations as subcommands of edit

pkg/commands/addannotation.go

@@ -0,0 +1,111 @@
+/*
+Copyright 2018 The Kubernetes 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 commands
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+	"regexp"
+
+	"github.com/spf13/cobra"
+
+	"github.com/kubernetes-sigs/kustomize/pkg/constants"
+	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+)
+
+type addAnnotationOptions struct {
+	annotations string
+}
+
+// newCmdAddAnnotation adds one or more commonAnnotations to the kustomization file.
+func newCmdAddAnnotation(fsys fs.FileSystem) *cobra.Command {
+	var o addAnnotationOptions
+
+	cmd := &cobra.Command{
+		Use:   "annotation",
+		Short: "Adds one or more commonAnnotations to the kustomization.yaml in current directory",
+		Example: `
+		add annotation {annotationKey1:annotationValue1},{annotationKey2:annotationValue2}`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			err := o.Validate(args)
+			if err != nil {
+				return err
+			}
+			err = o.Complete(cmd, args)
+			if err != nil {
+				return err
+			}
+			return o.RunAddAnnotation(fsys)
+		},
+	}
+	return cmd
+}
+
+// Validate validates addAnnotation command.
+func (o *addAnnotationOptions) Validate(args []string) error {
+	if len(args) < 1 {
+		return errors.New("must specify an annotation")
+	}
+	if len(args) > 1 {
+		return errors.New("annotations must be comma-separated, with no spaces. See help text for example.")
+	}
+	inputs := strings.Split(args[0],",")
+	for _, input := range inputs {
+			ok, err := regexp.MatchString(`\A([a-zA-Z0-9_.-]+):([a-zA-Z0-9_.-]+)\z`, input)
+		if err != nil {
+			return err
+		}
+		if !ok {
+			return fmt.Errorf("invalid annotation format: %s", input)
+		}
+	}
+	o.annotations = args[0]
+	return nil
+}
+
+// Complete completes addAnnotation command.
+func (o *addAnnotationOptions) Complete(cmd *cobra.Command, args []string) error {
+	return nil
+}
+
+// RunAddAnnotation runs addAnnotation command (do real work).
+func (o *addAnnotationOptions) RunAddAnnotation(fsys fs.FileSystem) error {
+	mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
+	if err != nil {
+		return err
+	}
+
+	m, err := mf.read()
+	if err != nil {
+		return err
+	}
+
+	if m.CommonAnnotations == nil{
+		m.CommonAnnotations = make(map[string]string)
+	}
+	annotations := strings.Split(o.annotations, ",")
+	for _, ann := range annotations {
+		kv := strings.Split(ann, ":")
+		if _, ok := m.CommonAnnotations[kv[0]]; ok {
+			return fmt.Errorf("annotation %s already in kustomization file", kv[0])
+		}
+		m.CommonAnnotations[kv[0]] = kv[1]
+	}
+
+	return mf.write(m)
+}

pkg/commands/addannotation_test.go

@@ -0,0 +1,17 @@
+/*
+Copyright 2018 The Kubernetes 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 commands

pkg/commands/addlabel.go

@@ -0,0 +1,119 @@
+/*
+Copyright 2018 The Kubernetes 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 commands
+
+import (
+	"regexp"
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/spf13/cobra"
+
+	"github.com/kubernetes-sigs/kustomize/pkg/constants"
+	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+)
+
+type addLabelOptions struct {
+	labels string
+}
+
+// newCmdAddLabel adds one or more commonLabels to the kustomization file.
+func newCmdAddLabel(fsys fs.FileSystem) *cobra.Command {
+	var o addLabelOptions
+
+	cmd := &cobra.Command{
+		Use:   "label",
+		Short: "Adds one or more commonLabels to the kustomization.yaml in current directory",
+		Example: `
+		add label {labelKey1:labelValue1},{labelKey2:labelValue2}`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			err := o.Validate(args)
+			if err != nil {
+				return err
+			}
+			err = o.Complete(cmd, args)
+			if err != nil {
+				return err
+			}
+			return o.RunAddLabel(fsys)
+		},
+	}
+	return cmd
+}
+
+// Validate validates addLabel command.
+// TODO: make sure label is of correct format key:value
+func (o *addLabelOptions) Validate(args []string) error {
+	for _, arg := range args {
+		fmt.Println(arg + "****")
+	}
+
+	if len(args) < 1 {
+		return errors.New("must specify a label")
+	}
+	if len(args) > 1 {
+		return errors.New("labels must be comma-separated, with no spaces. See help text for example.")
+	}
+	inputs := strings.Split(args[0],",")
+	for _, input := range inputs {
+			ok, err := regexp.MatchString(`\A([a-zA-Z0-9_.-]+):([a-zA-Z0-9_.-]+)\z`, input)
+		if err != nil {
+			return err
+		}
+		if !ok {
+			return fmt.Errorf("invalid label format: %s", input)
+		}
+
+	}
+
+	o.labels = args[0]
+	return nil
+}
+
+// Complete completes addLabel command.
+func (o *addLabelOptions) Complete(cmd *cobra.Command, args []string) error {
+	return nil
+}
+
+// RunAddLabel runs addLabel command (do real work).
+func (o *addLabelOptions) RunAddLabel(fsys fs.FileSystem) error {
+	mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
+	if err != nil {
+		return err
+	}
+
+	m, err := mf.read()
+	if err != nil {
+		return err
+	}
+
+	if m.CommonLabels == nil{
+		m.CommonLabels = make(map[string]string)
+	}
+
+	labels := strings.Split(o.labels, ",")
+	for _, label := range labels {
+		kv := strings.Split(label, ":")
+		if _, ok := m.CommonLabels[kv[0]]; ok {
+			return fmt.Errorf("label %s already in kustomization file", kv[0])
+		}
+		m.CommonLabels[kv[0]] = kv[1]
+	}
+
+	return mf.write(m)
+}

pkg/commands/addlabel_test.go

@@ -0,0 +1,17 @@
+/*
+Copyright 2018 The Kubernetes 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 commands

pkg/commands/commands.go

@@ -96,6 +96,15 @@ func newCmdAdd(fsys fs.FileSystem) *cobra.Command {
 	# Adds one or more base directories to the kustomization
 	kustomize edit add base <filepath>
 	kustomize edit add base <filepath1>,<filepath2>,<filepath3>
+<<<<<<< HEAD
+=======
+
+	# Adds one or more commonLabels to the kustomization
+	kustomize edit add label {labelKey1:labelValue1},{labelKey2:labelValue2}
+
+	# Adds one or more commonAnnotations to the kustomization
+	kustomize edit add annotation {annotationKey1:annotationValue1},{annotationKey2:annotationValue2}
+>>>>>>> Implements labels and annotations as subcommands of edit
 `,
 		Args: cobra.MinimumNArgs(1),
 	}
@@ -104,6 +113,8 @@ func newCmdAdd(fsys fs.FileSystem) *cobra.Command {
 		newCmdAddPatch(fsys),
 		newCmdAddConfigMap(fsys),
 		newCmdAddBase(fsys),
+		newCmdAddLabel(fsys),
+		newCmdAddAnnotation(fsys),
 	)
 	return c
 }