Bump k8s.io/apimachinery from 0.18.8 to 0.19.0

Bumps [k8s.io/apimachinery](https://github.com/kubernetes/apimachinery) from 0.18.8 to 0.19.0.
- [Release notes](https://github.com/kubernetes/apimachinery/releases)
- [Commits](https://github.com/kubernetes/apimachinery/compare/v0.18.8...v0.19.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

2 files changed, 36 insertions, 19 deletions

diff --git a/vendor/k8s.io/apimachinery/pkg/labels/labels.go b/vendor/k8s.io/apimachinery/pkg/labels/labels.go
index abf3ace6f..d9eeb4f91 100644
--- a/vendor/k8s.io/apimachinery/pkg/labels/labels.go
+++ b/vendor/k8s.io/apimachinery/pkg/labels/labels.go
@@ -57,14 +57,22 @@ func (ls Set) Get(label string) string {
 	return ls[label]
 }
 
-// AsSelector converts labels into a selectors.
+// AsSelector converts labels into a selectors. It does not
+// perform any validation, which means the server will reject
+// the request if the Set contains invalid values.
 func (ls Set) AsSelector() Selector {
 	return SelectorFromSet(ls)
 }
 
+// AsValidatedSelector converts labels into a selectors.
+// The Set is validated client-side, which allows to catch errors early.
+func (ls Set) AsValidatedSelector() (Selector, error) {
+	return ValidatedSelectorFromSet(ls)
+}
+
 // AsSelectorPreValidated converts labels into a selector, but
-// assumes that labels are already validated and thus don't
-// preform any validation.
+// assumes that labels are already validated and thus doesn't
+// perform any validation.
 // According to our measurements this is significantly faster
 // in codepaths that matter at high scale.
 func (ls Set) AsSelectorPreValidated() Selector {
diff --git a/vendor/k8s.io/apimachinery/pkg/labels/selector.go b/vendor/k8s.io/apimachinery/pkg/labels/selector.go
index 2f8e1e2b0..bf62f98a4 100644
--- a/vendor/k8s.io/apimachinery/pkg/labels/selector.go
+++ b/vendor/k8s.io/apimachinery/pkg/labels/selector.go
@@ -26,7 +26,7 @@ import (
 	"k8s.io/apimachinery/pkg/selection"
 	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/apimachinery/pkg/util/validation"
-	"k8s.io/klog"
+	"k8s.io/klog/v2"
 )
 
 // Requirements is AND of all requirements.
@@ -68,13 +68,15 @@ func Everything() Selector {
 
 type nothingSelector struct{}
 
-func (n nothingSelector) Matches(_ Labels) bool                                      { return false }
-func (n nothingSelector) Empty() bool                                                { return false }
-func (n nothingSelector) String() string                                             { return "" }
-func (n nothingSelector) Add(_ ...Requirement) Selector                              { return n }
-func (n nothingSelector) Requirements() (Requirements, bool)                         { return nil, false }
-func (n nothingSelector) DeepCopySelector() Selector                                 { return n }
-func (n nothingSelector) RequiresExactMatch(label string) (value string, found bool) { return "", false }
+func (n nothingSelector) Matches(_ Labels) bool              { return false }
+func (n nothingSelector) Empty() bool                        { return false }
+func (n nothingSelector) String() string                     { return "" }
+func (n nothingSelector) Add(_ ...Requirement) Selector      { return n }
+func (n nothingSelector) Requirements() (Requirements, bool) { return nil, false }
+func (n nothingSelector) DeepCopySelector() Selector         { return n }
+func (n nothingSelector) RequiresExactMatch(label string) (value string, found bool) {
+	return "", false
+}
 
 // Nothing returns a selector that matches no labels
 func Nothing() Selector {
@@ -221,7 +223,7 @@ func (r *Requirement) Matches(ls Labels) bool {
 			return false
 		}
 
-		// There should be only one strValue in r.strValues, and can be converted to a integer.
+		// There should be only one strValue in r.strValues, and can be converted to an integer.
 		if len(r.strValues) != 1 {
 			klog.V(10).Infof("Invalid values count %+v of requirement %#v, for 'Gt', 'Lt' operators, exactly one value is required", len(r.strValues), r)
 			return false
@@ -869,23 +871,30 @@ func validateLabelValue(k, v string) error {
 
 // SelectorFromSet returns a Selector which will match exactly the given Set. A
 // nil and empty Sets are considered equivalent to Everything().
+// It does not perform any validation, which means the server will reject
+// the request if the Set contains invalid values.
 func SelectorFromSet(ls Set) Selector {
+	return SelectorFromValidatedSet(ls)
+}
+
+// ValidatedSelectorFromSet returns a Selector which will match exactly the given Set. A
+// nil and empty Sets are considered equivalent to Everything().
+// The Set is validated client-side, which allows to catch errors early.
+func ValidatedSelectorFromSet(ls Set) (Selector, error) {
 	if ls == nil || len(ls) == 0 {
-		return internalSelector{}
+		return internalSelector{}, nil
 	}
 	requirements := make([]Requirement, 0, len(ls))
 	for label, value := range ls {
 		r, err := NewRequirement(label, selection.Equals, []string{value})
-		if err == nil {
-			requirements = append(requirements, *r)
-		} else {
-			//TODO: double check errors when input comes from serialization?
-			return internalSelector{}
+		if err != nil {
+			return nil, err
 		}
+		requirements = append(requirements, *r)
 	}
 	// sort to have deterministic string representation
 	sort.Sort(ByKey(requirements))
-	return internalSelector(requirements)
+	return internalSelector(requirements), nil
 }
 
 // SelectorFromValidatedSet returns a Selector which will match exactly the given Set.