add service mesh controller

add service mesh metrics

remove unused circle yaml

fix travis misconfiguration

fix travis misconfiguration

fix travis misconfiguration

vendor/sigs.k8s.io/controller-tools/pkg/webhook/internal/client.go

@@ -0,0 +1,189 @@
+/*
+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 internal
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"sort"
+
+	"github.com/ghodss/yaml"
+	"github.com/spf13/afero"
+
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/kubernetes/scheme"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+)
+
+var decoder = scheme.Codecs.UniversalDeserializer()
+
+// NewManifestClient constructs a new manifestClient.
+func NewManifestClient(file string) client.Client {
+	return &manifestClient{
+		ManifestFile: file,
+		fs:           afero.NewOsFs(),
+	}
+}
+
+// manifestClient reads from and writes to the file specified by ManifestFile.
+type manifestClient struct {
+	ManifestFile string
+
+	objects map[schema.GroupVersionKind][]byte
+	fs      afero.Fs
+}
+
+var _ client.Client = &manifestClient{}
+
+func (c *manifestClient) index() error {
+	c.objects = map[schema.GroupVersionKind][]byte{}
+
+	_, err := c.fs.Stat(c.ManifestFile)
+	if err != nil {
+		return nil
+	}
+
+	b, err := afero.ReadFile(c.fs, c.ManifestFile)
+	if err != nil {
+		return err
+	}
+	objs := bytes.Split(b, []byte("---\n"))
+	for _, objectB := range objs {
+		objB := bytes.TrimSpace(objectB)
+		if len(objB) == 0 {
+			continue
+		}
+		_, gvk, err := decoder.Decode(objB, nil, nil)
+		if err != nil {
+			return err
+		}
+		c.objects[*gvk] = objectB
+	}
+	return nil
+}
+
+// Get read from the target file.
+func (c *manifestClient) Get(ctx context.Context, key client.ObjectKey, obj runtime.Object) error {
+	if obj == nil {
+		return errors.New("obj should not be nil")
+	}
+	err := c.index()
+	if err != nil {
+		return err
+	}
+	gvk := obj.GetObjectKind().GroupVersionKind()
+	objectB, found := c.objects[gvk]
+	if !found {
+		return apierrors.NewNotFound(schema.GroupResource{}, key.Name)
+	}
+	_, _, err = decoder.Decode(objectB, nil, obj)
+	return err
+}
+
+// List does nothing, it should not be invoked.
+func (c *manifestClient) List(ctx context.Context, opts *client.ListOptions, list runtime.Object) error {
+	return errors.New("method List is not implemented")
+}
+
+// Create creates an object and write it to the target file with other objects if any.
+// If the object needs to be written already exists, it will error out.
+func (c *manifestClient) Create(ctx context.Context, obj runtime.Object) error {
+	if obj == nil {
+		return errors.New("obj should not be nil")
+	}
+	err := c.index()
+	if err != nil {
+		return err
+	}
+
+	gvk := obj.GetObjectKind().GroupVersionKind()
+	_, found := c.objects[gvk]
+	if found {
+		accessor, err := meta.Accessor(obj)
+		if err != nil {
+			return err
+		}
+		return apierrors.NewAlreadyExists(schema.GroupResource{}, accessor.GetName())
+	}
+	b, err := yaml.Marshal(obj)
+	if err != nil {
+		return err
+	}
+	c.objects[gvk] = b
+	return c.writeObjects()
+}
+
+// Delete does nothing, it should not be invoked.
+func (c *manifestClient) Delete(ctx context.Context, obj runtime.Object, opts ...client.DeleteOptionFunc) error {
+	return errors.New("method Delete is not implemented")
+}
+
+// Update replace the object if it already exists on the target file.
+// Otherwise, it creates the object.
+func (c *manifestClient) Update(ctx context.Context, obj runtime.Object) error {
+	if obj == nil {
+		return errors.New("obj should not be nil")
+	}
+	err := c.index()
+	if err != nil {
+		return err
+	}
+
+	gvk := obj.GetObjectKind().GroupVersionKind()
+	m, err := yaml.Marshal(obj)
+	if err != nil {
+		return err
+	}
+	c.objects[gvk] = m
+	return c.writeObjects()
+}
+
+// writeObjects writes objects to the target file in yaml format separated by `---`.
+func (c *manifestClient) writeObjects() error {
+	needSeparator := false
+	buf := bytes.NewBuffer(nil)
+
+	var gvks []schema.GroupVersionKind
+	for gvk := range c.objects {
+		gvks = append(gvks, gvk)
+	}
+
+	sort.Slice(gvks, func(i, j int) bool {
+		return gvks[i].String() < gvks[j].String()
+	})
+
+	for _, gvk := range gvks {
+		if needSeparator {
+			buf.WriteString("---\n")
+		}
+		needSeparator = true
+		_, err := buf.Write(c.objects[gvk])
+		if err != nil {
+			return err
+		}
+	}
+	return afero.WriteFile(c.fs, c.ManifestFile, buf.Bytes(), 0666)
+}
+
+// Status returns a nil client.StatusWriter.
+func (c *manifestClient) Status() client.StatusWriter {
+	return nil
+}