Cleanup deprecated stuff that are no longer used

Signed-off-by: Hasan Turken <[email protected]>

Author: turkenh

pkg/fieldpath/paved.go

@@ -321,28 +321,6 @@ func (p *Paved) GetBool(path string) (bool, error) {
 	return b, nil
 }
 
-// NOTE(muvaf): If there is no CRD, unstructured.Unstructured reads numbers as
-// float64. However, in practice, use of float64 is discouraged and when you fetch
-// an instance of a CRD whose number fields are int64, you'll get int64. So,
-// it's not really possible to test this without an api-server but that's the
-// actual behavior.
-
-// GetNumber value of the supplied field path.
-// Deprecated: Use of float64 is discouraged. Please use GetInteger.
-// See https://github.com/kubernetes/community/blob/c9ae475/contributors/devel/sig-architecture/api-conventions.md#primitive-types
-func (p *Paved) GetNumber(path string) (float64, error) {
-	v, err := p.GetValue(path)
-	if err != nil {
-		return 0, err
-	}
-
-	f, ok := v.(float64)
-	if !ok {
-		return 0, errors.Errorf("%s: not a (float64) number", path)
-	}
-	return f, nil
-}
-
 // GetInteger value of the supplied field path.
 func (p *Paved) GetInteger(path string) (int64, error) {
 	v, err := p.GetValue(path)

pkg/fieldpath/paved_test.go

@@ -484,59 +484,6 @@ func TestGetBool(t *testing.T) {
 	}
 }
 
-func TestGetNumber(t *testing.T) {
-	type want struct {
-		value float64
-		err   error
-	}
-	cases := map[string]struct {
-		reason string
-		path   string
-		data   []byte
-		want   want
-	}{
-		"MetadataVersion": {
-			reason: "Requesting a number field should work",
-			path:   "metadata.version",
-			data:   []byte(`{"metadata":{"version":2.0}}`),
-			want: want{
-				value: 2,
-			},
-		},
-		"MalformedPath": {
-			reason: "Requesting an invalid field path should fail",
-			path:   "spec[]",
-			want: want{
-				err: errors.Wrap(errors.New("unexpected ']' at position 5"), "cannot parse path \"spec[]\""),
-			},
-		},
-		"NotANumber": {
-			reason: "Requesting an non-number field path should fail",
-			path:   "metadata.name",
-			data:   []byte(`{"metadata":{"name":"cool"}}`),
-			want: want{
-				err: errors.New("metadata.name: not a (float64) number"),
-			},
-		},
-	}
-
-	for name, tc := range cases {
-		t.Run(name, func(t *testing.T) {
-			in := make(map[string]any)
-			_ = json.Unmarshal(tc.data, &in)
-			p := Pave(in)
-
-			got, err := p.GetNumber(tc.path)
-			if diff := cmp.Diff(tc.want.err, err, test.EquateErrors()); diff != "" {
-				t.Fatalf("\np.GetNumber(%s): %s: -want error, +got error:\n%s", tc.path, tc.reason, diff)
-			}
-			if diff := cmp.Diff(tc.want.value, got); diff != "" {
-				t.Errorf("\np.GetNumber(%s): %s: -want, +got:\n%s", tc.path, tc.reason, diff)
-			}
-		})
-	}
-}
-
 func TestGetInteger(t *testing.T) {
 	type want struct {
 		value int64

pkg/meta/meta.go

@@ -18,9 +18,6 @@ limitations under the License.
 package meta
 
 import (
-	"fmt"
-	"hash/fnv"
-	"strings"
 	"time"
 
 	corev1 "k8s.io/api/core/v1"
@@ -66,17 +63,6 @@ const (
 	AnnotationKeyReconciliationPaused = "crossplane.io/paused"
 )
 
-// Supported resources with all of these annotations will be fully or partially
-// propagated to the named resource of the same kind, assuming it exists and
-// consents to propagation.
-const (
-	AnnotationKeyPropagateToPrefix = "to.propagate.crossplane.io/"
-
-	// Deprecated: This functionality will be removed soon.
-	AnnotationKeyPropagateFromNamespace = "from.propagate.crossplane.io/namespace"
-	AnnotationKeyPropagateFromName      = "from.propagate.crossplane.io/name"
-)
-
 // ReferenceTo returns an object reference to the supplied object, presumed to
 // be of the supplied group, version, and kind.
 // Deprecated: use a more specific reference type, such as TypedReference or
@@ -361,66 +347,6 @@ func ExternalCreateSucceededDuring(o metav1.Object, d time.Duration) bool {
 	return time.Since(t) < d
 }
 
-// AllowPropagation from one object to another by adding consenting annotations
-// to both.
-// Deprecated: This functionality will be removed soon.
-func AllowPropagation(from, to metav1.Object) {
-	AddAnnotations(to, map[string]string{
-		AnnotationKeyPropagateFromNamespace: from.GetNamespace(),
-		AnnotationKeyPropagateFromName:      from.GetName(),
-	})
-
-	AddAnnotations(from, map[string]string{
-		AnnotationKeyPropagateTo(to): to.GetNamespace() + "/" + to.GetName(),
-	})
-}
-
-// AnnotationKeyPropagateTo returns an annotation key whose presence indicates
-// that the annotated object consents to propagation from the supplied object.
-// The annotation name (which follows the prefix) can be anything that doesn't
-// collide with another annotation. to.propagation.crossplane.io/example would
-// be valid. This function uses a hash of the supplied object's namespace and
-// name in order to avoid collisions and keep the suffix relatively short.
-func AnnotationKeyPropagateTo(o metav1.Object) string {
-	// Writing to a hash never returns an error.
-	h := fnv.New32a()
-	h.Write([]byte(o.GetNamespace()))
-	h.Write([]byte(o.GetName()))
-	return fmt.Sprintf("%s%x", AnnotationKeyPropagateToPrefix, h.Sum32())
-}
-
-// AllowsPropagationFrom returns the NamespacedName of the object the supplied
-// object should be propagated from.
-func AllowsPropagationFrom(to metav1.Object) types.NamespacedName {
-	return types.NamespacedName{
-		Namespace: to.GetAnnotations()[AnnotationKeyPropagateFromNamespace],
-		Name:      to.GetAnnotations()[AnnotationKeyPropagateFromName],
-	}
-}
-
-// AllowsPropagationTo returns the set of NamespacedNames that the supplied
-// object may be propagated to.
-func AllowsPropagationTo(from metav1.Object) map[types.NamespacedName]bool {
-	to := make(map[types.NamespacedName]bool)
-
-	for k, v := range from.GetAnnotations() {
-		nn := strings.Split(v, "/")
-		switch {
-		case !strings.HasPrefix(k, AnnotationKeyPropagateToPrefix):
-			continue
-		case len(nn) != 2:
-			continue
-		case nn[0] == "":
-			continue
-		case nn[1] == "":
-			continue
-		}
-		to[types.NamespacedName{Namespace: nn[0], Name: nn[1]}] = true
-	}
-
-	return to
-}
-
 // IsPaused returns true if the object has the AnnotationKeyReconciliationPaused
 // annotation set to `true`.
 func IsPaused(o metav1.Object) bool {

pkg/meta/meta_test.go

@@ -17,8 +17,6 @@ limitations under the License.
 package meta
 
 import (
-	"fmt"
-	"hash/fnv"
 	"testing"
 	"time"
 
@@ -1181,147 +1179,6 @@ func TestExternalCreateIncomplete(t *testing.T) {
 	}
 }
 
-func TestAllowPropagation(t *testing.T) {
-	fromns := "from-namespace"
-	from := "from-name"
-	tons := "to-namespace"
-	to := "to-name"
-
-	tohash := func() string {
-		h := fnv.New32a()
-		h.Write([]byte(tons))
-		h.Write([]byte(to))
-		return fmt.Sprintf("%x", h.Sum32())
-	}()
-
-	type args struct {
-		from metav1.Object
-		to   metav1.Object
-	}
-	type want struct {
-		from metav1.Object
-		to   metav1.Object
-	}
-
-	cases := map[string]struct {
-		args args
-		want want
-	}{
-		"Successful": {
-			args: args{
-				from: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{
-					Namespace: fromns,
-					Name:      from,
-					Annotations: map[string]string{
-						"existing": "annotation",
-					},
-				}},
-				to: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{
-					Namespace: tons,
-					Name:      to,
-					Annotations: map[string]string{
-						"existing": "annotation",
-					},
-				}},
-			},
-			want: want{
-				from: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{
-					Namespace: fromns,
-					Name:      from,
-					Annotations: map[string]string{
-						"existing":                              "annotation",
-						AnnotationKeyPropagateToPrefix + tohash: tons + "/" + to,
-					},
-				}},
-				to: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{
-					Namespace: tons,
-					Name:      to,
-					Annotations: map[string]string{
-						"existing":                          "annotation",
-						AnnotationKeyPropagateFromNamespace: fromns,
-						AnnotationKeyPropagateFromName:      from,
-					},
-				}},
-			},
-		},
-	}
-
-	for name, tc := range cases {
-		t.Run(name, func(t *testing.T) {
-			AllowPropagation(tc.args.from, tc.args.to)
-			if diff := cmp.Diff(tc.want.from, tc.args.from); diff != "" {
-				t.Errorf("AllowPropagation(...): -want from, +got from\n%s", diff)
-			}
-			if diff := cmp.Diff(tc.want.to, tc.args.to); diff != "" {
-				t.Errorf("AllowPropagation(...): -want to, +got to\n%s", diff)
-			}
-		})
-	}
-}
-
-func TestAllowsPropagationFrom(t *testing.T) {
-	ns := "coolns"
-	name := "coolname"
-
-	cases := map[string]struct {
-		to   metav1.Object
-		want types.NamespacedName
-	}{
-		"Successful": {
-			to: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Annotations: map[string]string{
-				AnnotationKeyPropagateFromNamespace: ns,
-				AnnotationKeyPropagateFromName:      name,
-			}}},
-			want: types.NamespacedName{Namespace: ns, Name: name},
-		},
-	}
-
-	for name, tc := range cases {
-		t.Run(name, func(t *testing.T) {
-			got := AllowsPropagationFrom(tc.to)
-			if diff := cmp.Diff(tc.want, got); diff != "" {
-				t.Errorf("AllowsPropagationFrom(...): -want, +got\n%s", diff)
-			}
-		})
-	}
-}
-
-func TestAllowsPropagationTo(t *testing.T) {
-	nsA := "coolns"
-	nameA := "coolname"
-	nsB := "coolerns"
-	nameB := "coolername"
-
-	cases := map[string]struct {
-		from metav1.Object
-		want map[types.NamespacedName]bool
-	}{
-		"Successful": {
-			from: &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Annotations: map[string]string{
-				"existing": "annotation",
-				AnnotationKeyPropagateToPrefix + "missingslash":     "wat",
-				AnnotationKeyPropagateToPrefix + "missingname":      "wat/",
-				AnnotationKeyPropagateToPrefix + "missingnamespace": "/wat",
-				AnnotationKeyPropagateToPrefix + "a":                nsA + "/" + nameA,
-				AnnotationKeyPropagateToPrefix + "b":                nsB + "/" + nameB,
-			}}},
-			want: map[types.NamespacedName]bool{
-				{Namespace: nsA, Name: nameA}: true,
-				{Namespace: nsB, Name: nameB}: true,
-			},
-		},
-	}
-
-	for name, tc := range cases {
-		t.Run(name, func(t *testing.T) {
-			got := AllowsPropagationTo(tc.from)
-			if diff := cmp.Diff(tc.want, got); diff != "" {
-				t.Errorf("AllowsPropagationTo(...): -want, +got\n%s", diff)
-			}
-		})
-	}
-}
-
 func TestIsPaused(t *testing.T) {
 	cases := map[string]struct {
 		o    metav1.Object

pkg/ratelimiter/default.go

@@ -26,14 +26,6 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/ratelimiter"
 )
 
-const (
-	// DefaultProviderRPS is the recommended default average requeues per
-	// second tolerated by a Crossplane provider.
-	//
-	// Deprecated: Use a flag
-	DefaultProviderRPS = 1
-)
-
 // NewGlobal returns a token bucket rate limiter meant for limiting the number
 // of average total requeues per second for all controllers registered with a
 // controller manager. The bucket size (i.e. allowed burst) is rps * 10.
@@ -48,28 +40,6 @@ func NewController() ratelimiter.RateLimiter {
 	return workqueue.NewItemExponentialFailureRateLimiter(1*time.Second, 60*time.Second)
 }
 
-// NewDefaultProviderRateLimiter returns a token bucket rate limiter meant for
-// limiting the number of average total requeues per second for all controllers
-// registered with a controller manager. The bucket size is a linear function of
-// the requeues per second.
-//
-// Deprecated: Use NewGlobal.
-func NewDefaultProviderRateLimiter(rps int) *workqueue.BucketRateLimiter {
-	return NewGlobal(rps)
-}
-
-// NewDefaultManagedRateLimiter returns a rate limiter that takes the maximum
-// delay between the passed provider and a per-item exponential backoff limiter.
-// The exponential backoff limiter has a base delay of 1s and a maximum of 60s.
-//
-// Deprecated: Use NewController.
-func NewDefaultManagedRateLimiter(provider ratelimiter.RateLimiter) ratelimiter.RateLimiter {
-	return workqueue.NewMaxOfRateLimiter(
-		workqueue.NewItemExponentialFailureRateLimiter(1*time.Second, 60*time.Second),
-		provider,
-	)
-}
-
 // LimitRESTConfig returns a copy of the supplied REST config with rate limits
 // derived from the supplied rate of reconciles per second.
 func LimitRESTConfig(cfg *rest.Config, rps int) *rest.Config {