mirror of
https://github.com/kubernetes/client-go.git
synced 2025-09-13 05:41:35 +00:00
Remove Kube specific api constructs from restclient
All callers must use VersionedParameters, which no longer has special behavior for Kube resources. Kubernetes-commit: 112e0fa9da069d147fffe5bd0638ebce4a9bba42
This commit is contained in:
Clayton Coleman
committed by
Kubernetes Publisher
Kubernetes Publisher
parent
526a4ea159
commit
88f7fb8192
182
rest/request.go
182
rest/request.go
@@ -33,16 +33,12 @@ import (
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"time"
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"github.com/golang/glog"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/fields"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
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"k8s.io/apimachinery/pkg/util/net"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/apimachinery/pkg/watch"
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restclientwatch "k8s.io/client-go/rest/watch"
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"k8s.io/client-go/tools/metrics"
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@@ -287,143 +283,6 @@ func (r *Request) RequestURI(uri string) *Request {
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return r
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}
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const (
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// A constant that clients can use to refer in a field selector to the object name field.
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// Will be automatically emitted as the correct name for the API version.
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nodeUnschedulable = "spec.unschedulable"
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objectNameField = "metadata.name"
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podHost = "spec.nodeName"
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podStatus = "status.phase"
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secretType = "type"
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eventReason = "reason"
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eventSource = "source"
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eventType = "type"
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eventInvolvedKind = "involvedObject.kind"
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eventInvolvedNamespace = "involvedObject.namespace"
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eventInvolvedName = "involvedObject.name"
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eventInvolvedUID = "involvedObject.uid"
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eventInvolvedAPIVersion = "involvedObject.apiVersion"
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eventInvolvedResourceVersion = "involvedObject.resourceVersion"
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eventInvolvedFieldPath = "involvedObject.fieldPath"
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)
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type clientFieldNameToAPIVersionFieldName map[string]string
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func (c clientFieldNameToAPIVersionFieldName) filterField(field, value string) (newField, newValue string, err error) {
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newFieldName, ok := c[field]
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if !ok {
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return "", "", fmt.Errorf("%v - %v - no field mapping defined", field, value)
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}
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return newFieldName, value, nil
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}
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type resourceTypeToFieldMapping map[string]clientFieldNameToAPIVersionFieldName
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func (r resourceTypeToFieldMapping) filterField(resourceType, field, value string) (newField, newValue string, err error) {
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fMapping, ok := r[resourceType]
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if !ok {
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return "", "", fmt.Errorf("%v - %v - %v - no field mapping defined", resourceType, field, value)
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}
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return fMapping.filterField(field, value)
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}
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type versionToResourceToFieldMapping map[schema.GroupVersion]resourceTypeToFieldMapping
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// filterField transforms the given field/value selector for the given groupVersion and resource
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func (v versionToResourceToFieldMapping) filterField(groupVersion *schema.GroupVersion, resourceType, field, value string) (newField, newValue string, err error) {
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rMapping, ok := v[*groupVersion]
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if !ok {
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// no groupVersion overrides registered, default to identity mapping
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return field, value, nil
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}
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newField, newValue, err = rMapping.filterField(resourceType, field, value)
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if err != nil {
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// no groupVersionResource overrides registered, default to identity mapping
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return field, value, nil
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}
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return newField, newValue, nil
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}
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var fieldMappings = versionToResourceToFieldMapping{
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v1.SchemeGroupVersion: resourceTypeToFieldMapping{
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"nodes": clientFieldNameToAPIVersionFieldName{
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objectNameField: objectNameField,
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nodeUnschedulable: nodeUnschedulable,
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},
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"pods": clientFieldNameToAPIVersionFieldName{
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objectNameField: objectNameField,
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podHost: podHost,
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podStatus: podStatus,
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},
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"secrets": clientFieldNameToAPIVersionFieldName{
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secretType: secretType,
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},
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"serviceAccounts": clientFieldNameToAPIVersionFieldName{
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objectNameField: objectNameField,
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},
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"endpoints": clientFieldNameToAPIVersionFieldName{
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objectNameField: objectNameField,
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},
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"events": clientFieldNameToAPIVersionFieldName{
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objectNameField: objectNameField,
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eventReason: eventReason,
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eventSource: eventSource,
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eventType: eventType,
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eventInvolvedKind: eventInvolvedKind,
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eventInvolvedNamespace: eventInvolvedNamespace,
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eventInvolvedName: eventInvolvedName,
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eventInvolvedUID: eventInvolvedUID,
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eventInvolvedAPIVersion: eventInvolvedAPIVersion,
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eventInvolvedResourceVersion: eventInvolvedResourceVersion,
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eventInvolvedFieldPath: eventInvolvedFieldPath,
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},
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},
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}
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// FieldsSelectorParam adds the given selector as a query parameter with the name paramName.
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func (r *Request) FieldsSelectorParam(s fields.Selector) *Request {
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if r.err != nil {
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return r
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}
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if s == nil {
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return r
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}
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if s.Empty() {
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return r
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}
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s2, err := s.Transform(func(field, value string) (newField, newValue string, err error) {
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return fieldMappings.filterField(r.content.GroupVersion, r.resource, field, value)
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})
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if err != nil {
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r.err = err
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return r
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}
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return r.setParam(metav1.FieldSelectorQueryParam(r.content.GroupVersion.String()), s2.String())
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}
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// LabelsSelectorParam adds the given selector as a query parameter
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func (r *Request) LabelsSelectorParam(s labels.Selector) *Request {
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if r.err != nil {
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return r
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}
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if s == nil {
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return r
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}
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if s.Empty() {
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return r
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}
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return r.setParam(metav1.LabelSelectorQueryParam(r.content.GroupVersion.String()), s.String())
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}
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// UintParam creates a query parameter with the given value.
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func (r *Request) UintParam(paramName string, u uint64) *Request {
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if r.err != nil {
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return r
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}
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return r.setParam(paramName, strconv.FormatUint(u, 10))
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}
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// Param creates a query parameter with the given string value.
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func (r *Request) Param(paramName, s string) *Request {
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if r.err != nil {
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@@ -435,6 +294,8 @@ func (r *Request) Param(paramName, s string) *Request {
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// VersionedParams will take the provided object, serialize it to a map[string][]string using the
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// implicit RESTClient API version and the default parameter codec, and then add those as parameters
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// to the request. Use this to provide versioned query parameters from client libraries.
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// VersionedParams will not write query parameters that have omitempty set and are empty. If a
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// parameter has already been set it is appended to (Params and VersionedParams are additive).
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func (r *Request) VersionedParams(obj runtime.Object, codec runtime.ParameterCodec) *Request {
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if r.err != nil {
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return r
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@@ -445,43 +306,10 @@ func (r *Request) VersionedParams(obj runtime.Object, codec runtime.ParameterCod
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return r
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}
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for k, v := range params {
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for _, value := range v {
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// TODO: Move it to setParam method, once we get rid of
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// FieldSelectorParam & LabelSelectorParam methods.
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if k == metav1.LabelSelectorQueryParam(r.content.GroupVersion.String()) && value == "" {
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// Don't set an empty selector for backward compatibility.
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// Since there is no way to get the difference between empty
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// and unspecified string, we don't set it to avoid having
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// labelSelector= param in every request.
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continue
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}
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if k == metav1.FieldSelectorQueryParam(r.content.GroupVersion.String()) {
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if len(value) == 0 {
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// Don't set an empty selector for backward compatibility.
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// Since there is no way to get the difference between empty
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// and unspecified string, we don't set it to avoid having
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// fieldSelector= param in every request.
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continue
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}
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// TODO: Filtering should be handled somewhere else.
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selector, err := fields.ParseSelector(value)
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if err != nil {
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r.err = fmt.Errorf("unparsable field selector: %v", err)
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return r
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}
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filteredSelector, err := selector.Transform(
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func(field, value string) (newField, newValue string, err error) {
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return fieldMappings.filterField(r.content.GroupVersion, r.resource, field, value)
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})
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if err != nil {
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r.err = fmt.Errorf("untransformable field selector: %v", err)
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return r
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}
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value = filteredSelector.String()
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}
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r.setParam(k, value)
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if r.params == nil {
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r.params = make(url.Values)
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}
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r.params[k] = append(r.params[k], v...)
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}
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return r
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}
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