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Go back to capi patch for CRD race condition #2923

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Feb 14, 2024
Merged

Go back to capi patch for CRD race condition #2923

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2 changes: 1 addition & 1 deletion projects/kubernetes-sigs/cluster-api/ATTRIBUTION.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -230,7 +230,7 @@ https://github.com/kubernetes-sigs/apiserver-network-proxy
** sigs.k8s.io/cluster-api; version v1.6.0 --
https://github.com/kubernetes-sigs/cluster-api

** sigs.k8s.io/controller-runtime; version v0.16.4 --
** sigs.k8s.io/controller-runtime; version v0.16.3 --
https://github.com/kubernetes-sigs/controller-runtime

** sigs.k8s.io/json; version v0.0.0-20221116044647-bc3834ca7abd --
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2 changes: 1 addition & 1 deletion projects/kubernetes-sigs/cluster-api/CAPD_ATTRIBUTION.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -200,7 +200,7 @@ https://github.com/kubernetes-sigs/cluster-api
** sigs.k8s.io/cluster-api/test/infrastructure/kind; version v1.6.0 --
https://github.com/kubernetes-sigs/cluster-api

** sigs.k8s.io/controller-runtime; version v0.16.4 --
** sigs.k8s.io/controller-runtime; version v0.16.3 --
https://github.com/kubernetes-sigs/controller-runtime

** sigs.k8s.io/json; version v0.0.0-20221116044647-bc3834ca7abd --
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20 changes: 10 additions & 10 deletions projects/kubernetes-sigs/cluster-api/CHECKSUMS
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@@ -1,10 +1,10 @@
edb650666212458d2933b237cc8e971a28c325ad991aa7867a6700a9955a1836 _output/bin/cluster-api/linux-amd64/cluster-api-provider-docker-manager
8bf3a6e1497a0bc7365b48696e6310fcadef949eeb50b77a8e8769622b6451e4 _output/bin/cluster-api/linux-amd64/clusterctl
09a9e9ce38948db589e036bce31fa566454b4a0cf4a39bb63226b7d2c95c43d4 _output/bin/cluster-api/linux-amd64/kubeadm-bootstrap-manager
3be6e1f055c662f872cb4059ce4489659db439312a4eb0326f16142322008f27 _output/bin/cluster-api/linux-amd64/kubeadm-control-plane-manager
64e208ec15e035c6818af46e4a097f890db3b1473f31c59d1d5a6b564f97aa83 _output/bin/cluster-api/linux-amd64/manager
78195694b39ddbac6a08be081b0ca457c8c795731d370fd86d918ef966987b52 _output/bin/cluster-api/linux-arm64/cluster-api-provider-docker-manager
aebe6f8a5af764f6f9bad56bab9bd811ce85e3bd2cec1effcc60c816aa96026d _output/bin/cluster-api/linux-arm64/clusterctl
0c6aed4aaf5c128759db833844c0663cb9a80d07975598f7f0176bfac045ebbc _output/bin/cluster-api/linux-arm64/kubeadm-bootstrap-manager
a7da98ce118f366689f05e36ef9f163e2395509a4e75b4139d8f147a6c1e9e0e _output/bin/cluster-api/linux-arm64/kubeadm-control-plane-manager
1375fa164a8b2679d4c3801101954ad8522ea34ab1f9c7db1df752cf34d6ff71 _output/bin/cluster-api/linux-arm64/manager
9cc600dbbd7b6aba2f799da0dc566676188cc95dfbf833beca162295aa18d57e _output/bin/cluster-api/linux-amd64/cluster-api-provider-docker-manager
8aa761dd700376a5ac1750c41b6e412b1b8b66ea24e4c65ca503b90836a68ab6 _output/bin/cluster-api/linux-amd64/clusterctl
f6b7ce3009f058f28b1136d1144a5c0dcb3a44278bd9947e034d4428d1300c62 _output/bin/cluster-api/linux-amd64/kubeadm-bootstrap-manager
4c7fac42e79e0c4c8847f3b976835da8c7c39cfa592819639d24a5534f7ee189 _output/bin/cluster-api/linux-amd64/kubeadm-control-plane-manager
2950db4742b814f727389f8d315bab4905f40cf907e9de089743b7e67fe96897 _output/bin/cluster-api/linux-amd64/manager
0c1588ede3ab75a0213416d0772a7422326fea282cdee39671038e45cb7f5fcb _output/bin/cluster-api/linux-arm64/cluster-api-provider-docker-manager
1ac5248d227318f8ee776c69959250ae2d3c05d9e66f549aafab4fc35dcfecec _output/bin/cluster-api/linux-arm64/clusterctl
64bb7ffb8f6feaf6a5d78cea83f90ac3d4605b5179befbc391584a53ee65705e _output/bin/cluster-api/linux-arm64/kubeadm-bootstrap-manager
9dccfc56c3b0179700312295d02d29b008b2fd9c2c988728c979751764371eeb _output/bin/cluster-api/linux-arm64/kubeadm-control-plane-manager
ddae3144474404243a96bce43ad42af71e38f05b8fd006848f4f6f7b3c017af0 _output/bin/cluster-api/linux-arm64/manager
101 changes: 0 additions & 101 deletions projects/kubernetes-sigs/cluster-api/patches/0040-Bump-controller-runtime-to-v0.16.4.patch
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This file was deleted.

217 changes: 217 additions & 0 deletions ...-sigs/cluster-api/patches/0040-Restart-controller-if-RESTMapping-outdated-cache-is-.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,217 @@
From 12158d086f242c6e7fa2930689fa01ef38ab9ece Mon Sep 17 00:00:00 2001
From: Guillermo Gaston <gaslor@amazon.com>
Date: Sat, 20 Jan 2024 22:05:04 +0000
Subject: [PATCH 37/37] Restart controller if RESTMapping outdated cache is
detected when reconciling external object

---
controllers/external/util.go | 28 +++++++-
controllers/external/util_test.go | 116 +++++++++++++++++++++++++++++-
2 files changed, 140 insertions(+), 4 deletions(-)

diff --git a/controllers/external/util.go b/controllers/external/util.go
index 5b6443c78..62ed07959 100644
--- a/controllers/external/util.go
+++ b/controllers/external/util.go
@@ -19,13 +19,17 @@ package external
import (
"context"
"strings"
+ "syscall"

"github.com/pkg/errors"
corev1 "k8s.io/api/core/v1"
+ "k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apiserver/pkg/storage/names"
"sigs.k8s.io/controller-runtime/pkg/client"
+ "sigs.k8s.io/controller-runtime/pkg/client/apiutil"
+ "sigs.k8s.io/controller-runtime/pkg/log"

clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
)
@@ -40,12 +44,34 @@ func Get(ctx context.Context, c client.Reader, ref *corev1.ObjectReference, name
obj.SetKind(ref.Kind)
obj.SetName(ref.Name)
key := client.ObjectKey{Name: obj.GetName(), Namespace: namespace}
- if err := c.Get(ctx, key, obj); err != nil {
+ err := c.Get(ctx, key, obj)
+ if isV1alpha4NotFoundFromDiscoveryError(err) {
+ logErrorAndGracefulShutdown(
+ ctx,
+ err,
+ "Client RESTMapper returned an error from an invalid cache referencing infrastructure.cluster.x-k8s.io/v1alpha4, exiting the program to force a new cache to be built",
+ )
+ }
+ if err != nil {
return nil, errors.Wrapf(err, "failed to retrieve %s external object %q/%q", obj.GetKind(), key.Namespace, key.Name)
}
return obj, nil
}

+func isV1alpha4NotFoundFromDiscoveryError(err error) bool {
+ discoverFailedErr := &apiutil.ErrResourceDiscoveryFailed{}
+ noResourceMatchErr := &meta.NoResourceMatchError{}
+ return errors.As(err, &discoverFailedErr) &&
+ errors.As(err, &noResourceMatchErr) && // This is the error that ErrResourceDiscoveryFailed will unwrap when the original error is NotFound.
+ strings.Contains(err.Error(), "cluster.x-k8s.io/v1alpha4")
+}
+
+func logErrorAndGracefulShutdown(ctx context.Context, err error, msg string) {
+ logger := log.FromContext(ctx)
+ logger.Error(err, msg)
+ syscall.Kill(syscall.Getpid(), syscall.SIGINT)
+}
+
// Delete uses the client and reference to delete an external, unstructured object.
func Delete(ctx context.Context, c client.Writer, ref *corev1.ObjectReference) error {
obj := new(unstructured.Unstructured)
diff --git a/controllers/external/util_test.go b/controllers/external/util_test.go
index 012445478..570cd4dae 100644
--- a/controllers/external/util_test.go
+++ b/controllers/external/util_test.go
@@ -17,6 +17,7 @@ limitations under the License.
package external

import (
+ "fmt"
"testing"

. "github.com/onsi/gomega"
@@ -25,16 +26,16 @@ import (
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+ "k8s.io/apimachinery/pkg/runtime/schema"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
+ "sigs.k8s.io/controller-runtime/pkg/client/apiutil"
"sigs.k8s.io/controller-runtime/pkg/client/fake"

clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
)

-var (
- ctx = ctrl.SetupSignalHandler()
-)
+var ctx = ctrl.SetupSignalHandler()

const (
testClusterName = "test-cluster"
@@ -323,3 +324,112 @@ func TestCloneTemplateMissingSpecTemplate(t *testing.T) {
})
g.Expect(err).To(HaveOccurred())
}
+
+func TestIsV1alpha4NotFoundFromDiscoveryError(t *testing.T) {
+ tests := []struct {
+ name string
+ err error
+ want bool
+ }{
+ {
+ name: "the error we are looking for",
+ err: &apiutil.ErrResourceDiscoveryFailed{
+ schema.GroupVersion{
+ Group: "infrastructure.cluster.x-k8s.io",
+ Version: "v1alpha4",
+ }: apierrors.NewNotFound(schema.GroupResource{}, "infrastructure.cluster.x-k8s.io/v1alpha4"),
+ },
+ want: true,
+ },
+ {
+ name: "the error we are looking for infra api for but wrapped",
+ err: fmt.Errorf("failed to get restmapping: %w",
+ &apiutil.ErrResourceDiscoveryFailed{
+ schema.GroupVersion{
+ Group: "infrastructure.cluster.x-k8s.io",
+ Version: "v1alpha4",
+ }: apierrors.NewNotFound(schema.GroupResource{}, "infrastructure.cluster.x-k8s.io/v1alpha4"),
+ },
+ ),
+ want: true,
+ },
+ {
+ name: "the error we are looking for bootstrap api for but wrapped",
+ err: fmt.Errorf("failed to get restmapping: %w",
+ &apiutil.ErrResourceDiscoveryFailed{
+ schema.GroupVersion{
+ Group: "bootstrap.cluster.x-k8s.io",
+ Version: "v1beta1",
+ }: apierrors.NewNotFound(schema.GroupResource{}, "bootstrap.cluster.x-k8s.io/v1alpha4"),
+ },
+ ),
+ want: true,
+ },
+ {
+ name: "v1alpha4 not found with different group",
+ err: &apiutil.ErrResourceDiscoveryFailed{
+ schema.GroupVersion{
+ Group: "different.group",
+ Version: "v1alpha4",
+ }: apierrors.NewNotFound(schema.GroupResource{}, "different.group/v1alpha4"),
+ },
+ want: false,
+ },
+ {
+ name: "infrastructure.cluster.x-k8s.io not found error with different version",
+ err: &apiutil.ErrResourceDiscoveryFailed{
+ schema.GroupVersion{
+ Group: "infrastructure.cluster.x-k8s.io",
+ Version: "differentkind",
+ }: apierrors.NewNotFound(schema.GroupResource{}, "infrastructure.cluster.x-k8s.io/differentkind"),
+ },
+ want: false,
+ },
+ {
+ name: "infrastructure.cluster.x-k8s.io/v1alpha4 but different error that is not NotFound",
+ err: &apiutil.ErrResourceDiscoveryFailed{
+ schema.GroupVersion{
+ Group: "infrastructure.cluster.x-k8s.io",
+ Version: "v1alpha4",
+ }: errors.New("some other error"),
+ },
+ want: false,
+ },
+ {
+ name: "plain not found error",
+ err: &apierrors.StatusError{
+ ErrStatus: metav1.Status{
+ Reason: metav1.StatusReasonNotFound,
+ },
+ },
+ want: false,
+ },
+ {
+ name: "infrastructure.cluster.x-k8s.io/v1alpha4 not found error",
+ err: &apierrors.StatusError{
+ ErrStatus: metav1.Status{
+ Reason: metav1.StatusReasonNotFound,
+ Message: "infrastructure.cluster.x-k8s.io/v1alpha4",
+ },
+ },
+ want: false,
+ },
+ {
+ name: "not error",
+ err: nil,
+ want: false,
+ },
+ {
+ name: "other error",
+ err: errors.New("some other error"),
+ want: false,
+ },
+ }
+
+ for _, test := range tests {
+ t.Run(test.name, func(t *testing.T) {
+ g := NewWithT(t)
+ g.Expect(isV1alpha4NotFoundFromDiscoveryError(test.err)).To(Equal(test.want))
+ })
+ }
+}
--
2.34.1