vendor files

vendor/k8s.io/client-go/rest/watch/BUILD

@@ -0,0 +1,57 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "decoder.go",
+        "encoder.go",
+    ],
+    importpath = "k8s.io/client-go/rest/watch",
+    deps = [
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime/serializer/streaming:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_xtest",
+    srcs = [
+        "decoder_test.go",
+        "encoder_test.go",
+    ],
+    importpath = "k8s.io/client-go/rest/watch_test",
+    deps = [
+        "//vendor/k8s.io/api/core/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/api/equality:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime/serializer/json:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime/serializer/streaming:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
+        "//vendor/k8s.io/client-go/kubernetes/scheme:go_default_library",
+        "//vendor/k8s.io/client-go/rest/watch:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/client-go/rest/watch/decoder.go

@@ -0,0 +1,72 @@
+/*
+Copyright 2014 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 versioned
+
+import (
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
+	"k8s.io/apimachinery/pkg/watch"
+)
+
+// Decoder implements the watch.Decoder interface for io.ReadClosers that
+// have contents which consist of a series of watchEvent objects encoded
+// with the given streaming decoder. The internal objects will be then
+// decoded by the embedded decoder.
+type Decoder struct {
+	decoder         streaming.Decoder
+	embeddedDecoder runtime.Decoder
+}
+
+// NewDecoder creates an Decoder for the given writer and codec.
+func NewDecoder(decoder streaming.Decoder, embeddedDecoder runtime.Decoder) *Decoder {
+	return &Decoder{
+		decoder:         decoder,
+		embeddedDecoder: embeddedDecoder,
+	}
+}
+
+// Decode blocks until it can return the next object in the reader. Returns an error
+// if the reader is closed or an object can't be decoded.
+func (d *Decoder) Decode() (watch.EventType, runtime.Object, error) {
+	var got metav1.WatchEvent
+	res, _, err := d.decoder.Decode(nil, &got)
+	if err != nil {
+		return "", nil, err
+	}
+	if res != &got {
+		return "", nil, fmt.Errorf("unable to decode to metav1.Event")
+	}
+	switch got.Type {
+	case string(watch.Added), string(watch.Modified), string(watch.Deleted), string(watch.Error):
+	default:
+		return "", nil, fmt.Errorf("got invalid watch event type: %v", got.Type)
+	}
+
+	obj, err := runtime.Decode(d.embeddedDecoder, got.Object.Raw)
+	if err != nil {
+		return "", nil, fmt.Errorf("unable to decode watch event: %v", err)
+	}
+	return watch.EventType(got.Type), obj, nil
+}
+
+// Close closes the underlying r.
+func (d *Decoder) Close() {
+	d.decoder.Close()
+}

vendor/k8s.io/client-go/rest/watch/decoder_test.go

@@ -0,0 +1,123 @@
+/*
+Copyright 2014 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 versioned_test
+
+import (
+	"encoding/json"
+	"io"
+	"testing"
+	"time"
+
+	"k8s.io/api/core/v1"
+	apiequality "k8s.io/apimachinery/pkg/api/equality"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+	runtimejson "k8s.io/apimachinery/pkg/runtime/serializer/json"
+	"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/apimachinery/pkg/watch"
+	"k8s.io/client-go/kubernetes/scheme"
+	restclientwatch "k8s.io/client-go/rest/watch"
+)
+
+// getDecoder mimics how k8s.io/client-go/rest.createSerializers creates a decoder
+func getDecoder() runtime.Decoder {
+	jsonSerializer := runtimejson.NewSerializer(runtimejson.DefaultMetaFactory, scheme.Scheme, scheme.Scheme, false)
+	directCodecFactory := serializer.DirectCodecFactory{CodecFactory: scheme.Codecs}
+	return directCodecFactory.DecoderToVersion(jsonSerializer, v1.SchemeGroupVersion)
+}
+
+func TestDecoder(t *testing.T) {
+	table := []watch.EventType{watch.Added, watch.Deleted, watch.Modified, watch.Error}
+
+	for _, eventType := range table {
+		out, in := io.Pipe()
+
+		decoder := restclientwatch.NewDecoder(streaming.NewDecoder(out, getDecoder()), getDecoder())
+
+		expect := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
+		encoder := json.NewEncoder(in)
+		go func() {
+			data, err := runtime.Encode(scheme.Codecs.LegacyCodec(v1.SchemeGroupVersion), expect)
+			if err != nil {
+				t.Fatalf("Unexpected error %v", err)
+			}
+			event := metav1.WatchEvent{
+				Type:   string(eventType),
+				Object: runtime.RawExtension{Raw: json.RawMessage(data)},
+			}
+			if err := encoder.Encode(&event); err != nil {
+				t.Errorf("Unexpected error %v", err)
+			}
+			in.Close()
+		}()
+
+		done := make(chan struct{})
+		go func() {
+			action, got, err := decoder.Decode()
+			if err != nil {
+				t.Fatalf("Unexpected error %v", err)
+			}
+			if e, a := eventType, action; e != a {
+				t.Errorf("Expected %v, got %v", e, a)
+			}
+			if e, a := expect, got; !apiequality.Semantic.DeepDerivative(e, a) {
+				t.Errorf("Expected %v, got %v", e, a)
+			}
+			t.Logf("Exited read")
+			close(done)
+		}()
+		<-done
+
+		done = make(chan struct{})
+		go func() {
+			_, _, err := decoder.Decode()
+			if err == nil {
+				t.Errorf("Unexpected nil error")
+			}
+			close(done)
+		}()
+		<-done
+
+		decoder.Close()
+	}
+}
+
+func TestDecoder_SourceClose(t *testing.T) {
+	out, in := io.Pipe()
+	decoder := restclientwatch.NewDecoder(streaming.NewDecoder(out, getDecoder()), getDecoder())
+
+	done := make(chan struct{})
+
+	go func() {
+		_, _, err := decoder.Decode()
+		if err == nil {
+			t.Errorf("Unexpected nil error")
+		}
+		close(done)
+	}()
+
+	in.Close()
+
+	select {
+	case <-done:
+		break
+	case <-time.After(wait.ForeverTestTimeout):
+		t.Error("Timeout")
+	}
+}

vendor/k8s.io/client-go/rest/watch/encoder.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2014 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 versioned
+
+import (
+	"encoding/json"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
+	"k8s.io/apimachinery/pkg/watch"
+)
+
+// Encoder serializes watch.Events into io.Writer. The internal objects
+// are encoded using embedded encoder, and the outer Event is serialized
+// using encoder.
+// TODO: this type is only used by tests
+type Encoder struct {
+	encoder         streaming.Encoder
+	embeddedEncoder runtime.Encoder
+}
+
+func NewEncoder(encoder streaming.Encoder, embeddedEncoder runtime.Encoder) *Encoder {
+	return &Encoder{
+		encoder:         encoder,
+		embeddedEncoder: embeddedEncoder,
+	}
+}
+
+// Encode writes an event to the writer. Returns an error
+// if the writer is closed or an object can't be encoded.
+func (e *Encoder) Encode(event *watch.Event) error {
+	data, err := runtime.Encode(e.embeddedEncoder, event.Object)
+	if err != nil {
+		return err
+	}
+	// FIXME: get rid of json.RawMessage.
+	return e.encoder.Encode(&metav1.WatchEvent{
+		Type:   string(event.Type),
+		Object: runtime.RawExtension{Raw: json.RawMessage(data)},
+	})
+}

vendor/k8s.io/client-go/rest/watch/encoder_test.go

@@ -0,0 +1,84 @@
+/*
+Copyright 2014 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 versioned_test
+
+import (
+	"bytes"
+	"io/ioutil"
+	"testing"
+
+	"k8s.io/api/core/v1"
+	apiequality "k8s.io/apimachinery/pkg/api/equality"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+	runtimejson "k8s.io/apimachinery/pkg/runtime/serializer/json"
+	"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
+	"k8s.io/apimachinery/pkg/watch"
+	"k8s.io/client-go/kubernetes/scheme"
+	restclientwatch "k8s.io/client-go/rest/watch"
+)
+
+// getEncoder mimics how k8s.io/client-go/rest.createSerializers creates a encoder
+func getEncoder() runtime.Encoder {
+	jsonSerializer := runtimejson.NewSerializer(runtimejson.DefaultMetaFactory, scheme.Scheme, scheme.Scheme, false)
+	directCodecFactory := serializer.DirectCodecFactory{CodecFactory: scheme.Codecs}
+	return directCodecFactory.EncoderForVersion(jsonSerializer, v1.SchemeGroupVersion)
+}
+
+func TestEncodeDecodeRoundTrip(t *testing.T) {
+	testCases := []struct {
+		Type   watch.EventType
+		Object runtime.Object
+	}{
+		{
+			watch.Added,
+			&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
+		},
+		{
+			watch.Modified,
+			&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
+		},
+		{
+			watch.Deleted,
+			&v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
+		},
+	}
+	for i, testCase := range testCases {
+		buf := &bytes.Buffer{}
+
+		encoder := restclientwatch.NewEncoder(streaming.NewEncoder(buf, getEncoder()), getEncoder())
+		if err := encoder.Encode(&watch.Event{Type: testCase.Type, Object: testCase.Object}); err != nil {
+			t.Errorf("%d: unexpected error: %v", i, err)
+			continue
+		}
+
+		rc := ioutil.NopCloser(buf)
+		decoder := restclientwatch.NewDecoder(streaming.NewDecoder(rc, getDecoder()), getDecoder())
+		event, obj, err := decoder.Decode()
+		if err != nil {
+			t.Errorf("%d: unexpected error: %v", i, err)
+			continue
+		}
+		if !apiequality.Semantic.DeepDerivative(testCase.Object, obj) {
+			t.Errorf("%d: expected %#v, got %#v", i, testCase.Object, obj)
+		}
+		if event != testCase.Type {
+			t.Errorf("%d: unexpected type: %#v", i, event)
+		}
+	}
+}