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unexport buggy function nodeSelectorAsSelector

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Change-Id: I1e48ac0dd0b33c367fa9be4f4adb11a4531849f9
This commit is contained in:
Antonio Ojea 2023-03-09 15:16:44 +00:00
parent da87af638f
commit fd62265d19
3 changed files with 67 additions and 65 deletions
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59
pkg/apis/core/v1/helper/helpers.go
View File

@ -370,62 +370,3 @@ func ScopedResourceSelectorRequirementsAsSelector(ssr v1.ScopedResourceSelectorR
selector = selector.Add(*r)
return selector, nil
}
// nodeSelectorRequirementsAsLabelRequirements converts the NodeSelectorRequirement
// type to a labels.Requirement type.
func nodeSelectorRequirementsAsLabelRequirements(nsr v1.NodeSelectorRequirement) (*labels.Requirement, error) {
var op selection.Operator
switch nsr.Operator {
case v1.NodeSelectorOpIn:
op = selection.In
case v1.NodeSelectorOpNotIn:
op = selection.NotIn
case v1.NodeSelectorOpExists:
op = selection.Exists
case v1.NodeSelectorOpDoesNotExist:
op = selection.DoesNotExist
case v1.NodeSelectorOpGt:
op = selection.GreaterThan
case v1.NodeSelectorOpLt:
op = selection.LessThan
default:
return nil, fmt.Errorf("%q is not a valid node selector operator", nsr.Operator)
}
return labels.NewRequirement(nsr.Key, op, nsr.Values)
}
// NodeSelectorAsSelector converts the NodeSelector api type into a struct that
// implements labels.Selector
// Note: This function should be kept in sync with the selector methods in
// pkg/labels/selector.go
func NodeSelectorAsSelector(ns *v1.NodeSelector) (labels.Selector, error) {
if ns == nil {
return labels.Nothing(), nil
}
if len(ns.NodeSelectorTerms) == 0 {
return labels.Everything(), nil
}
var requirements []labels.Requirement
for _, nsTerm := range ns.NodeSelectorTerms {
for _, expr := range nsTerm.MatchExpressions {
req, err := nodeSelectorRequirementsAsLabelRequirements(expr)
if err != nil {
return nil, err
}
requirements = append(requirements, *req)
}
for _, field := range nsTerm.MatchFields {
req, err := nodeSelectorRequirementsAsLabelRequirements(field)
if err != nil {
return nil, err
}
requirements = append(requirements, *req)
}
}
selector := labels.NewSelector()
selector = selector.Add(requirements...)
return selector, nil
}

70
pkg/controller/nodeipam/ipam/multi_cidr_range_allocator.go
View File

@ -32,6 +32,7 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/selection"
"k8s.io/apimachinery/pkg/types"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
@ -47,7 +48,6 @@ import (
"k8s.io/client-go/util/workqueue"
nodeutil "k8s.io/component-helpers/node/util"
"k8s.io/klog/v2"
v1helper "k8s.io/kubernetes/pkg/apis/core/v1/helper"
cidrset "k8s.io/kubernetes/pkg/controller/nodeipam/ipam/multicidrset"
controllerutil "k8s.io/kubernetes/pkg/controller/util/node"
"k8s.io/kubernetes/pkg/util/slice"
@ -894,7 +894,7 @@ func (r *multiCIDRRangeAllocator) orderedMatchingClusterCIDRs(logger klog.Logger
}
// Append the catch all CIDR config.
defaultSelector, err := v1helper.NodeSelectorAsSelector(defaultNodeSelector())
defaultSelector, err := nodeSelectorAsSelector(defaultNodeSelector())
if err != nil {
return nil, err
}
@ -1213,9 +1213,9 @@ func (r *multiCIDRRangeAllocator) nodeSelectorKey(clusterCIDR *networkingv1alpha
var err error
if clusterCIDR.Spec.NodeSelector != nil {
nodeSelector, err = v1helper.NodeSelectorAsSelector(clusterCIDR.Spec.NodeSelector)
nodeSelector, err = nodeSelectorAsSelector(clusterCIDR.Spec.NodeSelector)
} else {
nodeSelector, err = v1helper.NodeSelectorAsSelector(defaultNodeSelector())
nodeSelector, err = nodeSelectorAsSelector(defaultNodeSelector())
}
if err != nil {
@ -1257,3 +1257,65 @@ func listClusterCIDRs(ctx context.Context, kubeClient clientset.Interface) (*net
}
return clusterCIDRList, nil
}
// nodeSelectorRequirementsAsLabelRequirements converts the NodeSelectorRequirement
// type to a labels.Requirement type.
func nodeSelectorRequirementsAsLabelRequirements(nsr v1.NodeSelectorRequirement) (*labels.Requirement, error) {
var op selection.Operator
switch nsr.Operator {
case v1.NodeSelectorOpIn:
op = selection.In
case v1.NodeSelectorOpNotIn:
op = selection.NotIn
case v1.NodeSelectorOpExists:
op = selection.Exists
case v1.NodeSelectorOpDoesNotExist:
op = selection.DoesNotExist
case v1.NodeSelectorOpGt:
op = selection.GreaterThan
case v1.NodeSelectorOpLt:
op = selection.LessThan
default:
return nil, fmt.Errorf("%q is not a valid node selector operator", nsr.Operator)
}
return labels.NewRequirement(nsr.Key, op, nsr.Values)
}
// TODO: nodeSelect and labelSelector semantics are different and the function
// doesn't translate them correctly, this has to be fixed before Beta
// xref: https://issues.k8s.io/116419
// nodeSelectorAsSelector converts the NodeSelector api type into a struct that
// implements labels.Selector
// Note: This function should be kept in sync with the selector methods in
// pkg/labels/selector.go
func nodeSelectorAsSelector(ns *v1.NodeSelector) (labels.Selector, error) {
if ns == nil {
return labels.Nothing(), nil
}
if len(ns.NodeSelectorTerms) == 0 {
return labels.Everything(), nil
}
var requirements []labels.Requirement
for _, nsTerm := range ns.NodeSelectorTerms {
for _, expr := range nsTerm.MatchExpressions {
req, err := nodeSelectorRequirementsAsLabelRequirements(expr)
if err != nil {
return nil, err
}
requirements = append(requirements, *req)
}
for _, field := range nsTerm.MatchFields {
req, err := nodeSelectorRequirementsAsLabelRequirements(field)
if err != nil {
return nil, err
}
requirements = append(requirements, *req)
}
}
selector := labels.NewSelector()
selector = selector.Add(requirements...)
return selector, nil
}

3
pkg/controller/nodeipam/ipam/multi_cidr_range_allocator_test.go
View File

@ -35,7 +35,6 @@ import (
k8stesting "k8s.io/client-go/testing"
"k8s.io/client-go/tools/cache"
"k8s.io/klog/v2/ktesting"
v1helper "k8s.io/kubernetes/pkg/apis/core/v1/helper"
"k8s.io/kubernetes/pkg/controller"
cidrset "k8s.io/kubernetes/pkg/controller/nodeipam/ipam/multicidrset"
"k8s.io/kubernetes/pkg/controller/nodeipam/ipam/test"
@ -84,7 +83,7 @@ func getTestNodeSelector(requirements []testNodeSelectorRequirement) string {
testNodeSelector.NodeSelectorTerms = append(testNodeSelector.NodeSelectorTerms, nst)
}
selector, _ := v1helper.NodeSelectorAsSelector(testNodeSelector)
selector, _ := nodeSelectorAsSelector(testNodeSelector)
return selector.String()
}