Move Ingress godeps to vendor/

vendor/k8s.io/kubernetes/pkg/api/v1/conversion.go

@@ -0,0 +1,545 @@
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+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 v1
+
+import (
+	"fmt"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/conversion"
+	"k8s.io/kubernetes/pkg/runtime"
+	"speter.net/go/exp/math/dec/inf"
+)
+
+const (
+	// Annotation key used to identify mirror pods.
+	mirrorAnnotationKey = "kubernetes.io/config.mirror"
+
+	// Value used to identify mirror pods from pre-v1.1 kubelet.
+	mirrorAnnotationValue_1_0 = "mirror"
+)
+
+func addConversionFuncs(scheme *runtime.Scheme) {
+	// Add non-generated conversion functions
+	err := scheme.AddConversionFuncs(
+		Convert_api_Pod_To_v1_Pod,
+		Convert_api_PodSpec_To_v1_PodSpec,
+		Convert_api_ReplicationControllerSpec_To_v1_ReplicationControllerSpec,
+		Convert_api_ServiceSpec_To_v1_ServiceSpec,
+		Convert_v1_Pod_To_api_Pod,
+		Convert_v1_PodSpec_To_api_PodSpec,
+		Convert_v1_ReplicationControllerSpec_To_api_ReplicationControllerSpec,
+		Convert_v1_ServiceSpec_To_api_ServiceSpec,
+		Convert_v1_ResourceList_To_api_ResourceList,
+	)
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
+
+	// Add field label conversions for kinds having selectable nothing but ObjectMeta fields.
+	for _, kind := range []string{
+		"Endpoints",
+		"ResourceQuota",
+		"PersistentVolumeClaim",
+		"Service",
+		"ServiceAccount",
+		"ConfigMap",
+	} {
+		err = api.Scheme.AddFieldLabelConversionFunc("v1", kind,
+			func(label, value string) (string, string, error) {
+				switch label {
+				case "metadata.namespace",
+					"metadata.name":
+					return label, value, nil
+				default:
+					return "", "", fmt.Errorf("field label %q not supported for %q", label, kind)
+				}
+			})
+		if err != nil {
+			// If one of the conversion functions is malformed, detect it immediately.
+			panic(err)
+		}
+	}
+
+	// Add field conversion funcs.
+	err = api.Scheme.AddFieldLabelConversionFunc("v1", "Pod",
+		func(label, value string) (string, string, error) {
+			switch label {
+			case "metadata.name",
+				"metadata.namespace",
+				"metadata.labels",
+				"metadata.annotations",
+				"status.phase",
+				"status.podIP",
+				"spec.nodeName",
+				"spec.restartPolicy":
+				return label, value, nil
+				// This is for backwards compatibility with old v1 clients which send spec.host
+			case "spec.host":
+				return "spec.nodeName", value, nil
+			default:
+				return "", "", fmt.Errorf("field label not supported: %s", label)
+			}
+		})
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
+	err = api.Scheme.AddFieldLabelConversionFunc("v1", "Node",
+		func(label, value string) (string, string, error) {
+			switch label {
+			case "metadata.name":
+				return label, value, nil
+			case "spec.unschedulable":
+				return label, value, nil
+			default:
+				return "", "", fmt.Errorf("field label not supported: %s", label)
+			}
+		})
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
+	err = api.Scheme.AddFieldLabelConversionFunc("v1", "ReplicationController",
+		func(label, value string) (string, string, error) {
+			switch label {
+			case "metadata.name",
+				"metadata.namespace",
+				"status.replicas":
+				return label, value, nil
+			default:
+				return "", "", fmt.Errorf("field label not supported: %s", label)
+			}
+		})
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
+	err = api.Scheme.AddFieldLabelConversionFunc("v1", "Event",
+		func(label, value string) (string, string, error) {
+			switch label {
+			case "involvedObject.kind",
+				"involvedObject.namespace",
+				"involvedObject.name",
+				"involvedObject.uid",
+				"involvedObject.apiVersion",
+				"involvedObject.resourceVersion",
+				"involvedObject.fieldPath",
+				"reason",
+				"source",
+				"type",
+				"metadata.namespace",
+				"metadata.name":
+				return label, value, nil
+			default:
+				return "", "", fmt.Errorf("field label not supported: %s", label)
+			}
+		})
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
+	err = api.Scheme.AddFieldLabelConversionFunc("v1", "Namespace",
+		func(label, value string) (string, string, error) {
+			switch label {
+			case "status.phase",
+				"metadata.name":
+				return label, value, nil
+			default:
+				return "", "", fmt.Errorf("field label not supported: %s", label)
+			}
+		})
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
+	err = api.Scheme.AddFieldLabelConversionFunc("v1", "PersistentVolume",
+		func(label, value string) (string, string, error) {
+			switch label {
+			case "metadata.name":
+				return label, value, nil
+			default:
+				return "", "", fmt.Errorf("field label not supported: %s", label)
+			}
+		})
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
+	err = api.Scheme.AddFieldLabelConversionFunc("v1", "Secret",
+		func(label, value string) (string, string, error) {
+			switch label {
+			case "type",
+				"metadata.namespace",
+				"metadata.name":
+				return label, value, nil
+			default:
+				return "", "", fmt.Errorf("field label not supported: %s", label)
+			}
+		})
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
+}
+
+func Convert_api_ReplicationControllerSpec_To_v1_ReplicationControllerSpec(in *api.ReplicationControllerSpec, out *ReplicationControllerSpec, s conversion.Scope) error {
+	out.Replicas = new(int32)
+	*out.Replicas = int32(in.Replicas)
+	if in.Selector != nil {
+		out.Selector = make(map[string]string)
+		for key, val := range in.Selector {
+			out.Selector[key] = val
+		}
+	} else {
+		out.Selector = nil
+	}
+	//if in.TemplateRef != nil {
+	//	out.TemplateRef = new(ObjectReference)
+	//	if err := Convert_api_ObjectReference_To_v1_ObjectReference(in.TemplateRef, out.TemplateRef, s); err != nil {
+	//		return err
+	//	}
+	//} else {
+	//	out.TemplateRef = nil
+	//}
+	if in.Template != nil {
+		out.Template = new(PodTemplateSpec)
+		if err := Convert_api_PodTemplateSpec_To_v1_PodTemplateSpec(in.Template, out.Template, s); err != nil {
+			return err
+		}
+	} else {
+		out.Template = nil
+	}
+	return nil
+}
+
+func Convert_v1_ReplicationControllerSpec_To_api_ReplicationControllerSpec(in *ReplicationControllerSpec, out *api.ReplicationControllerSpec, s conversion.Scope) error {
+	out.Replicas = *in.Replicas
+	if in.Selector != nil {
+		out.Selector = make(map[string]string)
+		for key, val := range in.Selector {
+			out.Selector[key] = val
+		}
+	} else {
+		out.Selector = nil
+	}
+	//if in.TemplateRef != nil {
+	//	out.TemplateRef = new(api.ObjectReference)
+	//	if err := Convert_v1_ObjectReference_To_api_ObjectReference(in.TemplateRef, out.TemplateRef, s); err != nil {
+	//		return err
+	//	}
+	//} else {
+	//	out.TemplateRef = nil
+	//}
+	if in.Template != nil {
+		out.Template = new(api.PodTemplateSpec)
+		if err := Convert_v1_PodTemplateSpec_To_api_PodTemplateSpec(in.Template, out.Template, s); err != nil {
+			return err
+		}
+	} else {
+		out.Template = nil
+	}
+	return nil
+}
+
+// The following two PodSpec conversions are done here to support ServiceAccount
+// as an alias for ServiceAccountName.
+func Convert_api_PodSpec_To_v1_PodSpec(in *api.PodSpec, out *PodSpec, s conversion.Scope) error {
+	if in.Volumes != nil {
+		out.Volumes = make([]Volume, len(in.Volumes))
+		for i := range in.Volumes {
+			if err := Convert_api_Volume_To_v1_Volume(&in.Volumes[i], &out.Volumes[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.Volumes = nil
+	}
+	if in.Containers != nil {
+		out.Containers = make([]Container, len(in.Containers))
+		for i := range in.Containers {
+			if err := Convert_api_Container_To_v1_Container(&in.Containers[i], &out.Containers[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.Containers = nil
+	}
+	out.RestartPolicy = RestartPolicy(in.RestartPolicy)
+	if in.TerminationGracePeriodSeconds != nil {
+		out.TerminationGracePeriodSeconds = new(int64)
+		*out.TerminationGracePeriodSeconds = *in.TerminationGracePeriodSeconds
+	} else {
+		out.TerminationGracePeriodSeconds = nil
+	}
+	if in.ActiveDeadlineSeconds != nil {
+		out.ActiveDeadlineSeconds = new(int64)
+		*out.ActiveDeadlineSeconds = *in.ActiveDeadlineSeconds
+	} else {
+		out.ActiveDeadlineSeconds = nil
+	}
+	out.DNSPolicy = DNSPolicy(in.DNSPolicy)
+	if in.NodeSelector != nil {
+		out.NodeSelector = make(map[string]string)
+		for key, val := range in.NodeSelector {
+			out.NodeSelector[key] = val
+		}
+	} else {
+		out.NodeSelector = nil
+	}
+	out.ServiceAccountName = in.ServiceAccountName
+	// DeprecatedServiceAccount is an alias for ServiceAccountName.
+	out.DeprecatedServiceAccount = in.ServiceAccountName
+	out.NodeName = in.NodeName
+	if in.SecurityContext != nil {
+		out.SecurityContext = new(PodSecurityContext)
+		if err := Convert_api_PodSecurityContext_To_v1_PodSecurityContext(in.SecurityContext, out.SecurityContext, s); err != nil {
+			return err
+		}
+
+		// the host namespace fields have to be handled here for backward compatibility
+		// with v1.0.0
+		out.HostPID = in.SecurityContext.HostPID
+		out.HostNetwork = in.SecurityContext.HostNetwork
+		out.HostIPC = in.SecurityContext.HostIPC
+	}
+	if in.ImagePullSecrets != nil {
+		out.ImagePullSecrets = make([]LocalObjectReference, len(in.ImagePullSecrets))
+		for i := range in.ImagePullSecrets {
+			if err := Convert_api_LocalObjectReference_To_v1_LocalObjectReference(&in.ImagePullSecrets[i], &out.ImagePullSecrets[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.ImagePullSecrets = nil
+	}
+	out.Hostname = in.Hostname
+	out.Subdomain = in.Subdomain
+	return nil
+}
+
+func Convert_v1_PodSpec_To_api_PodSpec(in *PodSpec, out *api.PodSpec, s conversion.Scope) error {
+	SetDefaults_PodSpec(in)
+	if in.Volumes != nil {
+		out.Volumes = make([]api.Volume, len(in.Volumes))
+		for i := range in.Volumes {
+			if err := Convert_v1_Volume_To_api_Volume(&in.Volumes[i], &out.Volumes[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.Volumes = nil
+	}
+	if in.Containers != nil {
+		out.Containers = make([]api.Container, len(in.Containers))
+		for i := range in.Containers {
+			if err := Convert_v1_Container_To_api_Container(&in.Containers[i], &out.Containers[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.Containers = nil
+	}
+	out.RestartPolicy = api.RestartPolicy(in.RestartPolicy)
+	if in.TerminationGracePeriodSeconds != nil {
+		out.TerminationGracePeriodSeconds = new(int64)
+		*out.TerminationGracePeriodSeconds = *in.TerminationGracePeriodSeconds
+	} else {
+		out.TerminationGracePeriodSeconds = nil
+	}
+	if in.ActiveDeadlineSeconds != nil {
+		out.ActiveDeadlineSeconds = new(int64)
+		*out.ActiveDeadlineSeconds = *in.ActiveDeadlineSeconds
+	} else {
+		out.ActiveDeadlineSeconds = nil
+	}
+	out.DNSPolicy = api.DNSPolicy(in.DNSPolicy)
+	if in.NodeSelector != nil {
+		out.NodeSelector = make(map[string]string)
+		for key, val := range in.NodeSelector {
+			out.NodeSelector[key] = val
+		}
+	} else {
+		out.NodeSelector = nil
+	}
+	// We support DeprecatedServiceAccount as an alias for ServiceAccountName.
+	// If both are specified, ServiceAccountName (the new field) wins.
+	out.ServiceAccountName = in.ServiceAccountName
+	if in.ServiceAccountName == "" {
+		out.ServiceAccountName = in.DeprecatedServiceAccount
+	}
+	out.NodeName = in.NodeName
+	if in.SecurityContext != nil {
+		out.SecurityContext = new(api.PodSecurityContext)
+		if err := Convert_v1_PodSecurityContext_To_api_PodSecurityContext(in.SecurityContext, out.SecurityContext, s); err != nil {
+			return err
+		}
+	}
+
+	// the host namespace fields have to be handled specially for backward compatibility
+	// with v1.0.0
+	if out.SecurityContext == nil {
+		out.SecurityContext = new(api.PodSecurityContext)
+	}
+	out.SecurityContext.HostNetwork = in.HostNetwork
+	out.SecurityContext.HostPID = in.HostPID
+	out.SecurityContext.HostIPC = in.HostIPC
+	if in.ImagePullSecrets != nil {
+		out.ImagePullSecrets = make([]api.LocalObjectReference, len(in.ImagePullSecrets))
+		for i := range in.ImagePullSecrets {
+			if err := Convert_v1_LocalObjectReference_To_api_LocalObjectReference(&in.ImagePullSecrets[i], &out.ImagePullSecrets[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.ImagePullSecrets = nil
+	}
+	out.Hostname = in.Hostname
+	out.Subdomain = in.Subdomain
+	return nil
+}
+
+func Convert_api_Pod_To_v1_Pod(in *api.Pod, out *Pod, s conversion.Scope) error {
+	if err := autoConvert_api_Pod_To_v1_Pod(in, out, s); err != nil {
+		return err
+	}
+	// We need to reset certain fields for mirror pods from pre-v1.1 kubelet
+	// (#15960).
+	// TODO: Remove this code after we drop support for v1.0 kubelets.
+	if value, ok := in.Annotations[mirrorAnnotationKey]; ok && value == mirrorAnnotationValue_1_0 {
+		// Reset the TerminationGracePeriodSeconds.
+		out.Spec.TerminationGracePeriodSeconds = nil
+		// Reset the resource requests.
+		for i := range out.Spec.Containers {
+			out.Spec.Containers[i].Resources.Requests = nil
+		}
+	}
+	return nil
+}
+
+func Convert_v1_Pod_To_api_Pod(in *Pod, out *api.Pod, s conversion.Scope) error {
+	return autoConvert_v1_Pod_To_api_Pod(in, out, s)
+}
+
+func Convert_api_ServiceSpec_To_v1_ServiceSpec(in *api.ServiceSpec, out *ServiceSpec, s conversion.Scope) error {
+	if err := autoConvert_api_ServiceSpec_To_v1_ServiceSpec(in, out, s); err != nil {
+		return err
+	}
+	// Publish both externalIPs and deprecatedPublicIPs fields in v1.
+	for _, ip := range in.ExternalIPs {
+		out.DeprecatedPublicIPs = append(out.DeprecatedPublicIPs, ip)
+	}
+	return nil
+}
+
+func Convert_v1_ServiceSpec_To_api_ServiceSpec(in *ServiceSpec, out *api.ServiceSpec, s conversion.Scope) error {
+	if err := autoConvert_v1_ServiceSpec_To_api_ServiceSpec(in, out, s); err != nil {
+		return err
+	}
+	// Prefer the legacy deprecatedPublicIPs field, if provided.
+	if len(in.DeprecatedPublicIPs) > 0 {
+		out.ExternalIPs = nil
+		for _, ip := range in.DeprecatedPublicIPs {
+			out.ExternalIPs = append(out.ExternalIPs, ip)
+		}
+	}
+	return nil
+}
+
+func Convert_api_PodSecurityContext_To_v1_PodSecurityContext(in *api.PodSecurityContext, out *PodSecurityContext, s conversion.Scope) error {
+	out.SupplementalGroups = in.SupplementalGroups
+	if in.SELinuxOptions != nil {
+		out.SELinuxOptions = new(SELinuxOptions)
+		if err := Convert_api_SELinuxOptions_To_v1_SELinuxOptions(in.SELinuxOptions, out.SELinuxOptions, s); err != nil {
+			return err
+		}
+	} else {
+		out.SELinuxOptions = nil
+	}
+	if in.RunAsUser != nil {
+		out.RunAsUser = new(int64)
+		*out.RunAsUser = *in.RunAsUser
+	} else {
+		out.RunAsUser = nil
+	}
+	if in.RunAsNonRoot != nil {
+		out.RunAsNonRoot = new(bool)
+		*out.RunAsNonRoot = *in.RunAsNonRoot
+	} else {
+		out.RunAsNonRoot = nil
+	}
+	if in.FSGroup != nil {
+		out.FSGroup = new(int64)
+		*out.FSGroup = *in.FSGroup
+	} else {
+		out.FSGroup = nil
+	}
+	return nil
+}
+
+func Convert_v1_PodSecurityContext_To_api_PodSecurityContext(in *PodSecurityContext, out *api.PodSecurityContext, s conversion.Scope) error {
+	out.SupplementalGroups = in.SupplementalGroups
+	if in.SELinuxOptions != nil {
+		out.SELinuxOptions = new(api.SELinuxOptions)
+		if err := Convert_v1_SELinuxOptions_To_api_SELinuxOptions(in.SELinuxOptions, out.SELinuxOptions, s); err != nil {
+			return err
+		}
+	} else {
+		out.SELinuxOptions = nil
+	}
+	if in.RunAsUser != nil {
+		out.RunAsUser = new(int64)
+		*out.RunAsUser = *in.RunAsUser
+	} else {
+		out.RunAsUser = nil
+	}
+	if in.RunAsNonRoot != nil {
+		out.RunAsNonRoot = new(bool)
+		*out.RunAsNonRoot = *in.RunAsNonRoot
+	} else {
+		out.RunAsNonRoot = nil
+	}
+	if in.FSGroup != nil {
+		out.FSGroup = new(int64)
+		*out.FSGroup = *in.FSGroup
+	} else {
+		out.FSGroup = nil
+	}
+	return nil
+}
+
+func Convert_v1_ResourceList_To_api_ResourceList(in *ResourceList, out *api.ResourceList, s conversion.Scope) error {
+	if *in == nil {
+		return nil
+	}
+
+	converted := make(api.ResourceList)
+	for key, val := range *in {
+		value := val.Copy()
+
+		// TODO(#18538): We round up resource values to milli scale to maintain API compatibility.
+		// In the future, we should instead reject values that need rounding.
+		const milliScale = 3
+		value.Amount.Round(value.Amount, milliScale, inf.RoundUp)
+
+		converted[api.ResourceName(key)] = *value
+	}
+
+	*out = converted
+	return nil
+}