Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/validation/validation.go

@@ -0,0 +1,74 @@
+/*
+Copyright 2015 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 validation
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/validation"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+)
+
+func ValidateLabelSelector(ps *metav1.LabelSelector, fldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+	if ps == nil {
+		return allErrs
+	}
+	allErrs = append(allErrs, ValidateLabels(ps.MatchLabels, fldPath.Child("matchLabels"))...)
+	for i, expr := range ps.MatchExpressions {
+		allErrs = append(allErrs, ValidateLabelSelectorRequirement(expr, fldPath.Child("matchExpressions").Index(i))...)
+	}
+	return allErrs
+}
+
+func ValidateLabelSelectorRequirement(sr metav1.LabelSelectorRequirement, fldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+	switch sr.Operator {
+	case metav1.LabelSelectorOpIn, metav1.LabelSelectorOpNotIn:
+		if len(sr.Values) == 0 {
+			allErrs = append(allErrs, field.Required(fldPath.Child("values"), "must be specified when `operator` is 'In' or 'NotIn'"))
+		}
+	case metav1.LabelSelectorOpExists, metav1.LabelSelectorOpDoesNotExist:
+		if len(sr.Values) > 0 {
+			allErrs = append(allErrs, field.Forbidden(fldPath.Child("values"), "may not be specified when `operator` is 'Exists' or 'DoesNotExist'"))
+		}
+	default:
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("operator"), sr.Operator, "not a valid selector operator"))
+	}
+	allErrs = append(allErrs, ValidateLabelName(sr.Key, fldPath.Child("key"))...)
+	return allErrs
+}
+
+// ValidateLabelName validates that the label name is correctly defined.
+func ValidateLabelName(labelName string, fldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+	for _, msg := range validation.IsQualifiedName(labelName) {
+		allErrs = append(allErrs, field.Invalid(fldPath, labelName, msg))
+	}
+	return allErrs
+}
+
+// ValidateLabels validates that a set of labels are correctly defined.
+func ValidateLabels(labels map[string]string, fldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+	for k, v := range labels {
+		allErrs = append(allErrs, ValidateLabelName(k, fldPath)...)
+		for _, msg := range validation.IsValidLabelValue(v) {
+			allErrs = append(allErrs, field.Invalid(fldPath, v, msg))
+		}
+	}
+	return allErrs
+}

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/validation/validation_test.go

@@ -0,0 +1,94 @@
+/*
+Copyright 2016 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 validation
+
+import (
+	"strings"
+	"testing"
+
+	"k8s.io/apimachinery/pkg/util/validation/field"
+)
+
+func TestValidateLabels(t *testing.T) {
+	successCases := []map[string]string{
+		{"simple": "bar"},
+		{"now-with-dashes": "bar"},
+		{"1-starts-with-num": "bar"},
+		{"1234": "bar"},
+		{"simple/simple": "bar"},
+		{"now-with-dashes/simple": "bar"},
+		{"now-with-dashes/now-with-dashes": "bar"},
+		{"now.with.dots/simple": "bar"},
+		{"now-with.dashes-and.dots/simple": "bar"},
+		{"1-num.2-num/3-num": "bar"},
+		{"1234/5678": "bar"},
+		{"1.2.3.4/5678": "bar"},
+		{"UpperCaseAreOK123": "bar"},
+		{"goodvalue": "123_-.BaR"},
+	}
+	for i := range successCases {
+		errs := ValidateLabels(successCases[i], field.NewPath("field"))
+		if len(errs) != 0 {
+			t.Errorf("case[%d] expected success, got %#v", i, errs)
+		}
+	}
+
+	namePartErrMsg := "name part must consist of"
+	nameErrMsg := "a qualified name must consist of"
+	labelErrMsg := "a valid label must be an empty string or consist of"
+	maxLengthErrMsg := "must be no more than"
+
+	labelNameErrorCases := []struct {
+		labels map[string]string
+		expect string
+	}{
+		{map[string]string{"nospecialchars^=@": "bar"}, namePartErrMsg},
+		{map[string]string{"cantendwithadash-": "bar"}, namePartErrMsg},
+		{map[string]string{"only/one/slash": "bar"}, nameErrMsg},
+		{map[string]string{strings.Repeat("a", 254): "bar"}, maxLengthErrMsg},
+	}
+	for i := range labelNameErrorCases {
+		errs := ValidateLabels(labelNameErrorCases[i].labels, field.NewPath("field"))
+		if len(errs) != 1 {
+			t.Errorf("case[%d]: expected failure", i)
+		} else {
+			if !strings.Contains(errs[0].Detail, labelNameErrorCases[i].expect) {
+				t.Errorf("case[%d]: error details do not include %q: %q", i, labelNameErrorCases[i].expect, errs[0].Detail)
+			}
+		}
+	}
+
+	labelValueErrorCases := []struct {
+		labels map[string]string
+		expect string
+	}{
+		{map[string]string{"toolongvalue": strings.Repeat("a", 64)}, maxLengthErrMsg},
+		{map[string]string{"backslashesinvalue": "some\\bad\\value"}, labelErrMsg},
+		{map[string]string{"nocommasallowed": "bad,value"}, labelErrMsg},
+		{map[string]string{"strangecharsinvalue": "?#$notsogood"}, labelErrMsg},
+	}
+	for i := range labelValueErrorCases {
+		errs := ValidateLabels(labelValueErrorCases[i].labels, field.NewPath("field"))
+		if len(errs) != 1 {
+			t.Errorf("case[%d]: expected failure", i)
+		} else {
+			if !strings.Contains(errs[0].Detail, labelValueErrorCases[i].expect) {
+				t.Errorf("case[%d]: error details do not include %q: %q", i, labelValueErrorCases[i].expect, errs[0].Detail)
+			}
+		}
+	}
+}