Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/kubectl/pdb.go

@@ -0,0 +1,213 @@
+/*
+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 kubectl
+
+import (
+	"fmt"
+
+	policy "k8s.io/api/policy/v1beta1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/util/intstr"
+)
+
+// PodDisruptionBudgetV1Generator supports stable generation of a pod disruption budget.
+type PodDisruptionBudgetV1Generator struct {
+	Name         string
+	MinAvailable string
+	Selector     string
+}
+
+// Ensure it supports the generator pattern that uses parameters specified during construction.
+var _ StructuredGenerator = &PodDisruptionBudgetV1Generator{}
+
+func (PodDisruptionBudgetV1Generator) ParamNames() []GeneratorParam {
+	return []GeneratorParam{
+		{"name", true},
+		{"min-available", false},
+		{"selector", true},
+	}
+}
+
+func (s PodDisruptionBudgetV1Generator) Generate(params map[string]interface{}) (runtime.Object, error) {
+	err := ValidateParams(s.ParamNames(), params)
+	if err != nil {
+		return nil, err
+	}
+	name, isString := params["name"].(string)
+	if !isString {
+		return nil, fmt.Errorf("expected string, found %T for 'name'", params["name"])
+	}
+	minAvailable, isString := params["min-available"].(string)
+	if !isString {
+		return nil, fmt.Errorf("expected string, found %T for 'min-available'", params["min-available"])
+	}
+	selector, isString := params["selector"].(string)
+	if !isString {
+		return nil, fmt.Errorf("expected string, found %T for 'selector'", params["selector"])
+	}
+	delegate := &PodDisruptionBudgetV1Generator{Name: name, MinAvailable: minAvailable, Selector: selector}
+	return delegate.StructuredGenerate()
+}
+
+// StructuredGenerate outputs a pod disruption budget object using the configured fields.
+func (s *PodDisruptionBudgetV1Generator) StructuredGenerate() (runtime.Object, error) {
+	if len(s.MinAvailable) == 0 {
+		// defaulting behavior seen in Kubernetes 1.6 and below.
+		s.MinAvailable = "1"
+	}
+
+	if err := s.validate(); err != nil {
+		return nil, err
+	}
+
+	selector, err := metav1.ParseToLabelSelector(s.Selector)
+	if err != nil {
+		return nil, err
+	}
+
+	minAvailable := intstr.Parse(s.MinAvailable)
+	return &policy.PodDisruptionBudget{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: s.Name,
+		},
+		Spec: policy.PodDisruptionBudgetSpec{
+			MinAvailable: &minAvailable,
+			Selector:     selector,
+		},
+	}, nil
+}
+
+// validate validates required fields are set to support structured generation.
+func (s *PodDisruptionBudgetV1Generator) validate() error {
+	if len(s.Name) == 0 {
+		return fmt.Errorf("name must be specified")
+	}
+	if len(s.Selector) == 0 {
+		return fmt.Errorf("a selector must be specified")
+	}
+	if len(s.MinAvailable) == 0 {
+		return fmt.Errorf("the minimum number of available pods required must be specified")
+	}
+	return nil
+}
+
+// PodDisruptionBudgetV2Generator supports stable generation of a pod disruption budget.
+type PodDisruptionBudgetV2Generator struct {
+	Name           string
+	MinAvailable   string
+	MaxUnavailable string
+	Selector       string
+}
+
+// Ensure it supports the generator pattern that uses parameters specified during construction.
+var _ StructuredGenerator = &PodDisruptionBudgetV2Generator{}
+
+func (PodDisruptionBudgetV2Generator) ParamNames() []GeneratorParam {
+	return []GeneratorParam{
+		{"name", true},
+		{"min-available", false},
+		{"max-unavailable", false},
+		{"selector", true},
+	}
+}
+
+func (s PodDisruptionBudgetV2Generator) Generate(params map[string]interface{}) (runtime.Object, error) {
+	err := ValidateParams(s.ParamNames(), params)
+	if err != nil {
+		return nil, err
+	}
+
+	name, isString := params["name"].(string)
+	if !isString {
+		return nil, fmt.Errorf("expected string, found %T for 'name'", params["name"])
+	}
+
+	minAvailable, isString := params["min-available"].(string)
+	if !isString {
+		return nil, fmt.Errorf("expected string, found %T for 'min-available'", params["min-available"])
+	}
+
+	maxUnavailable, isString := params["max-unavailable"].(string)
+	if !isString {
+		return nil, fmt.Errorf("expected string, found %T for 'max-unavailable'", params["max-unavailable"])
+	}
+
+	selector, isString := params["selector"].(string)
+	if !isString {
+		return nil, fmt.Errorf("expected string, found %T for 'selector'", params["selector"])
+	}
+	delegate := &PodDisruptionBudgetV2Generator{Name: name, MinAvailable: minAvailable, MaxUnavailable: maxUnavailable, Selector: selector}
+	return delegate.StructuredGenerate()
+}
+
+// StructuredGenerate outputs a pod disruption budget object using the configured fields.
+func (s *PodDisruptionBudgetV2Generator) StructuredGenerate() (runtime.Object, error) {
+	if err := s.validate(); err != nil {
+		return nil, err
+	}
+
+	selector, err := metav1.ParseToLabelSelector(s.Selector)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(s.MaxUnavailable) > 0 {
+		maxUnavailable := intstr.Parse(s.MaxUnavailable)
+		return &policy.PodDisruptionBudget{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: s.Name,
+			},
+			Spec: policy.PodDisruptionBudgetSpec{
+				MaxUnavailable: &maxUnavailable,
+				Selector:       selector,
+			},
+		}, nil
+	}
+
+	if len(s.MinAvailable) > 0 {
+		minAvailable := intstr.Parse(s.MinAvailable)
+		return &policy.PodDisruptionBudget{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: s.Name,
+			},
+			Spec: policy.PodDisruptionBudgetSpec{
+				MinAvailable: &minAvailable,
+				Selector:     selector,
+			},
+		}, nil
+	}
+
+	return nil, err
+}
+
+// validate validates required fields are set to support structured generation.
+func (s *PodDisruptionBudgetV2Generator) validate() error {
+	if len(s.Name) == 0 {
+		return fmt.Errorf("name must be specified")
+	}
+	if len(s.Selector) == 0 {
+		return fmt.Errorf("a selector must be specified")
+	}
+	if len(s.MaxUnavailable) == 0 && len(s.MinAvailable) == 0 {
+		return fmt.Errorf("one of min-available or max-unavailable must be specified")
+	}
+	if len(s.MaxUnavailable) > 0 && len(s.MinAvailable) > 0 {
+		return fmt.Errorf("min-available and max-unavailable cannot be both specified")
+	}
+	return nil
+}