Bug 2036861 - kube-apiserver is degraded while enable multitenant
Summary: kube-apiserver is degraded while enable multitenant
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: OpenShift Container Platform
Classification: Red Hat
Component: Networking
Version: 4.10
Hardware: Unspecified
OS: Unspecified
medium
high
Target Milestone: ---
: 4.10.0
Assignee: Andreas Karis
QA Contact: zhaozhanqi
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-01-04 09:18 UTC by zhaozhanqi
Modified: 2022-03-12 04:40 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-03-12 04:40:32 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github openshift cluster-network-operator pull 1272 0 None open Bug 2036861: multitenant - Add openshift-kube-apiserver-operator to global namespaces 2022-01-05 20:10:00 UTC
Red Hat Product Errata RHSA-2022:0056 0 None None None 2022-03-12 04:40:42 UTC

Description zhaozhanqi 2022-01-04 09:18:58 UTC
Description of problem:

kube-apiserver operator is degraded when enable openshift-multitenant mode

with error: 

$ oc get co kube-apiserver
NAME             VERSION                              AVAILABLE   PROGRESSING   DEGRADED   SINCE   MESSAGE
kube-apiserver   4.10.0-0.nightly-2021-12-23-153012   True        False         True       4h49m   ValidatingAdmissionWebhookConfigurationDegraded: multus-validating-config.k8s.io: dial tcp 172.30.92.175:443: i/o timeout


$ oc get netnamespaces | grep kube-apiserver
openshift-kube-apiserver                           0          
openshift-kube-apiserver-operator                  13846250

$ oc get netnamespaces | grep multus
openshift-multus                                   4093322

$ oc get svc -n openshift-multus
NAME                          TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)            AGE
multus-admission-controller   ClusterIP   172.30.92.175   <none>        443/TCP,8443/TCP   6h42m
network-metrics-service       ClusterIP   None            <none>        8443/TCP           6h42m

Version-Release number of selected component (if applicable):

4.10.0-0.nightly-2021-12-23-153012

How reproducible:
always

Steps to Reproduce:
1. setup cluster and enable multitenant
2.
3.

Actual results:


Expected results:


Additional info:

not sure if ValidatingAdmissionWebhookConfigurationDegraded is new added in 4.10.  I did not see this error in 4.9 version.

Comment 4 Andreas Karis 2022-01-05 19:11:57 UTC
## Reproduction steps:
~~~
../openshift-install-4.10.0-0.nightly-2021-12-23-153012 create manifests --log-level=debug --dir=install-config
cat <<'EOF' > install-config/manifests/cluster-network-03-config.yml
apiVersion: operator.openshift.io/v1
kind: Network
metadata:
  name: cluster
spec:
  defaultNetwork:
    type: OpenShiftSDN
    openshiftSDNConfig:
      mode: Multitenant
EOF
../openshift-install-4.10.0-0.nightly-2021-12-23-153012 create cluster --log-level=debug --dir=install-config
~~~

## Symptoms
~~~
[akaris@linux ipi-us-west-2]$ oc get co | grep kube-apiserver
kube-apiserver                             4.10.0-0.nightly-2021-12-23-153012   True        False         True       45m     ValidatingAdmissionWebhookConfigurationDegraded: multus-validating-config.k8s.io: dial tcp 172.30.14.167:443: i/o timeout
~~~

And:
~~~
oc logs -n openshift-kube-apiserver-operator                  kube-apiserver-operator-595c999448-75p55
(...)
I0105 18:22:21.736926       1 status_controller.go:211] clusteroperator/kube-apiserver diff {"status":{"conditions":[{"lastTransitionTime":"2022-01-05T18:07:49Z","message":"ValidatingAdmissionWebhookConfigurationDegraded: multus-validating-config.k8s.io: dial tcp 172.30.14.167:443: i/o timeout","reason":"ValidatingAdmissionWebhookConfiguration_WebhookServiceConnectionError","status":"True","type":"Degraded"},{"lastTransitionTime":"2022-01-05T18:22:21Z","message":"NodeInstallerProgressing: 3 nodes are at revision 10","reason":"AsExpected","status":"False","type":"Progressing"},{"lastTransitionTime":"2022-01-05T18:13:30Z","message":"StaticPodsAvailable: 3 nodes are active; 3 nodes are at revision 10","reason":"AsExpected","status":"True","type":"Available"},{"lastTransitionTime":"2022-01-05T18:05:31Z","message":"KubeletMinorVersionUpgradeable: Kubelet and API server minor versions are synced.","reason":"AsExpected","status":"True","type":"Upgradeable"}]}}
I0105 18:22:21.751957       1 event.go:285] Event(v1.ObjectReference{Kind:"Deployment", Namespace:"openshift-kube-apiserver-operator", Name:"kube-apiserver-operator", UID:"73805f7a-aae4-4023-b870-370a5130fdd0", APIVersion:"apps/v1", ResourceVersion:"", FieldPath:""}): type: 'Normal' reason: 'OperatorStatusChanged' Status for clusteroperator/kube-apiserver changed: Progressing changed from True to False ("NodeInstallerProgressing: 3 nodes are at revision 10"),Available message changed from "StaticPodsAvailable: 3 nodes are active; 1 nodes are at revision 7; 2 nodes are at revision 10" to "StaticPodsAvailable: 3 nodes are active; 3 nodes are at revision 10"
E0105 18:22:22.652930       1 base_controller.go:272] ConnectivityCheckController reconciliation failed: customresourcedefinitions.apiextensions.k8s.io "podnetworkconnectivitychecks.controlplane.operator.openshift.io" already exists
I0105 18:22:22.653325       1 event.go:285] Event(v1.ObjectReference{Kind:"Deployment", Namespace:"openshift-kube-apiserver-operator", Name:"kube-apiserver-operator", UID:"73805f7a-aae4-4023-b870-370a5130fdd0", APIVersion:"apps/v1", ResourceVersion:"", FieldPath:""}): type: 'Warning' reason: 'CustomResourceDefinitionCreateFailed' Failed to create CustomResourceDefinition.apiextensions.k8s.io/podnetworkconnectivitychecks.controlplane.operator.openshift.io: customresourcedefinitions.apiextensions.k8s.io "podnetworkconnectivitychecks.controlplane.operator.openshift.io" already exists
I0105 18:22:22.921761       1 request.go:665] Waited for 1.184239944s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/serviceaccounts/installer-sa
E0105 18:22:23.562199       1 degraded_webhook.go:128] dial tcp 172.30.43.8:443: i/o timeout
I0105 18:22:24.117180       1 request.go:665] Waited for 1.596831621s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/pods/revision-pruner-10-ip-10-0-207-239.us-west-2.compute.internal
I0105 18:22:25.322848       1 request.go:665] Waited for 1.001132807s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/configmaps/client-ca
E0105 18:22:26.564250       1 degraded_webhook.go:56] validation.machine.machine.openshift.io: dial tcp 172.30.43.8:443: i/o timeout
I0105 18:22:26.916638       1 request.go:665] Waited for 1.015735618s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/secrets/node-kubeconfigs
E0105 18:22:27.564702       1 degraded_webhook.go:128] dial tcp 172.30.43.8:443: i/o timeout
I0105 18:22:28.116852       1 request.go:665] Waited for 1.795964631s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/pods/kube-apiserver-ip-10-0-185-28.us-west-2.compute.internal
I0105 18:22:29.316760       1 request.go:665] Waited for 1.795603527s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/pods?labelSelector=app%3Dinstaller
E0105 18:22:29.565944       1 degraded_webhook.go:128] dial tcp 172.30.43.8:443: i/o timeout
I0105 18:22:30.517346       1 request.go:665] Waited for 1.792440164s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/secrets/node-kubeconfigs
I0105 18:22:31.717004       1 request.go:665] Waited for 1.596201388s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/pods/kube-apiserver-ip-10-0-207-239.us-west-2.compute.internal
E0105 18:22:32.566947       1 degraded_webhook.go:56] validation.machineset.machine.openshift.io: dial tcp 172.30.43.8:443: i/o timeout
I0105 18:22:32.717208       1 request.go:665] Waited for 1.196119821s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/pods/kube-apiserver-ip-10-0-185-28.us-west-2.compute.internal
E0105 18:22:33.572917       1 degraded_webhook.go:128] dial tcp 172.30.14.167:443: i/o timeout
E0105 18:22:35.573829       1 degraded_webhook.go:128] dial tcp 172.30.14.167:443: i/o timeout
I0105 18:22:39.316927       1 request.go:665] Waited for 1.08936891s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/api/v1/namespaces/openshift-kube-apiserver/pods/kube-apiserver-ip-10-0-185-28.us-west-2.compute.internal
E0105 18:22:39.574843       1 degraded_webhook.go:128] dial tcp 172.30.150.191:443: i/o timeout
E0105 18:22:41.576073       1 degraded_webhook.go:128] dial tcp 172.30.150.191:443: i/o timeout
E0105 18:22:44.577804       1 degraded_webhook.go:56] volumesnapshotclasses.snapshot.storage.k8s.io: dial tcp 172.30.150.191:443: i/o timeout
E0105 18:22:45.579584       1 degraded_webhook.go:128] dial tcp 172.30.95.236:443: i/o timeout
E0105 18:22:47.580945       1 degraded_webhook.go:128] dial tcp 172.30.95.236:443: i/o timeout
E0105 18:22:50.582763       1 degraded_webhook.go:56] pod-identity-webhook.amazonaws.com: dial tcp 172.30.95.236:443: i/o timeout
E0105 18:22:51.583595       1 degraded_webhook.go:128] dial tcp 172.30.43.8:443: i/o timeout
E0105 18:22:53.584325       1 degraded_webhook.go:128] dial tcp 172.30.43.8:443: i/o timeout
E0105 18:22:56.584790       1 degraded_webhook.go:56] default.machine.machine.openshift.io: dial tcp 172.30.43.8:443: i/o timeout
E0105 18:22:57.585008       1 degraded_webhook.go:128] dial tcp 172.30.43.8:443: i/o timeout
E0105 18:22:59.585998       1 degraded_webhook.go:128] dial tcp 172.30.43.8:443: i/o timeout
E0105 18:23:02.587596       1 degraded_webhook.go:56] default.machineset.machine.openshift.io: dial tcp 172.30.43.8:443: i/o timeout
E0105 18:23:03.593371       1 degraded_webhook.go:128] dial tcp 172.30.14.167:443: i/o timeout
E0105 18:23:05.594368       1 degraded_webhook.go:128] dial tcp 172.30.14.167:443: i/o timeout
E0105 18:23:09.596183       1 degraded_webhook.go:128] dial tcp 172.30.150.191:443: i/o timeout
E0105 18:23:11.597135       1 degraded_webhook.go:128] dial tcp 172.30.150.191:443: i/o timeout
E0105 18:23:14.597718       1 degraded_webhook.go:56] volumesnapshotclasses.snapshot.storage.k8s.io: dial tcp 172.30.150.191:443: i/o timeout
(...)
~~~

## Root cause

This is clearly due to denied TCP traffic from the kube-apiserver-operator pod to the webhook services in question. Here is the code that performs the checks:

https://github.com/openshift/cluster-kube-apiserver-operator/blob/c39e6d1281f46582c47c6ebe2c01229b575ed494/pkg/operator/webhooksupportabilitycontroller/degraded_webhook.go#L34
~~~
// updateWebhookConfigurationDegraded updates the condition specified after
// checking that the services associated with the specified webhooks exist
// and have at least one ready endpoint.
func (c *webhookSupportabilityController) updateWebhookConfigurationDegraded(ctx context.Context, condition operatorv1.OperatorCondition, webhookInfos []webhookInfo) v1helpers.UpdateStatusFunc {
	var serviceMsgs []string
	var tlsMsgs []string
	for _, webhook := range webhookInfos {
		if webhook.Service != nil {
			err := c.assertService(webhook.Service)
			if err != nil {
				msg := fmt.Sprintf("%s: %s", webhook.Name, err)
				if webhook.FailurePolicyIsIgnore {
					klog.Error(msg)
					continue
				}
				serviceMsgs = append(serviceMsgs, msg)
				continue
			}
			err = c.assertConnect(ctx, webhook.Service, webhook.CABundle)
			if err != nil {
				msg := fmt.Sprintf("%s: %s", webhook.Name, err)
				if webhook.FailurePolicyIsIgnore {
					klog.Error(msg)
					continue
				}
				tlsMsgs = append(tlsMsgs, msg)
				continue
			}
		}
	}
(...)
~~~

https://github.com/openshift/cluster-kube-apiserver-operator/blob/release-4.10/pkg/operator/webhooksupportabilitycontroller/degraded_webhook.go#L96
~~~
// assertConnect performs a dns lookup of service, opens a tcp connection, and performs a tls handshake.
func (c *webhookSupportabilityController) assertConnect(ctx context.Context, reference *serviceReference, caBundle []byte) error {
	host := reference.Name + "." + reference.Namespace + ".svc"
	port := "443"
	if reference.Port != nil {
		port = fmt.Sprintf("%d", *reference.Port)
	}
	rootCAs := x509.NewCertPool()
	if len(caBundle) > 0 {
		rootCAs.AppendCertsFromPEM(caBundle)
	}
	// the last error that occurred in the loop below
	var err error
	// retry up to 3 times on error
	for i := 0; i < 3; i++ {
		select {
		case <-ctx.Done():
			return nil
		case <-time.After(time.Duration(i) * time.Second):
		}
		dialer := &tls.Dialer{
			NetDialer: &net.Dialer{Timeout: 1 * time.Second},
			Config: &tls.Config{
				ServerName: host,
				RootCAs:    rootCAs,
			},
		}
		var conn net.Conn
		conn, err = dialer.DialContext(ctx, "tcp", net.JoinHostPort(host, port))
		if err != nil {
			if i != 2 {
				// log err since only last one is reported
				runtime.HandleError(err)
			}
			continue
		}
		// error from closing connection should not affect Degraded condition
		runtime.HandleError(conn.Close())
		break
	}
	return err
~~~

The any connection attempt towards the endpoints indeed fails:
~~~
[akaris@linux ipi-us-west-2]$ oc rsh -n openshift-kube-apiserver-operator                  kube-apiserver-operator-595c999448-75p55
sh-4.4# curl -v --connect-timeout 5 https://172.30.43.8:443
* Rebuilt URL to: https://172.30.43.8:443/
*   Trying 172.30.43.8...
* TCP_NODELAY set
* Connection timed out after 5001 milliseconds
* Closing connection 0
curl: (28) Connection timed out after 5001 milliseconds
sh-4.4# 
~~~

~~~
[akaris@linux ipi-us-west-2]$ oc get svc -A | grep 172.30.43.8
openshift-machine-api                              machine-api-operator-webhook               ClusterIP      172.30.43.8      <none>                                                                    443/TCP                                   63m
~~~

## Solution

Use https://docs.openshift.com/container-platform/4.9/networking/openshift_sdn/multitenant-isolation.html

~~~
[akaris@linux ipi-us-west-2]$ oc get netnamespaces
NAME                                               NETID      EGRESS IPS
(...)
openshift-kube-apiserver                           0          
openshift-kube-apiserver-operator                  5354513
(...)
~~~

~~~
$ oc adm pod-network make-projects-global openshift-kube-apiserver-operator
~~~

~~~
[akaris@linux ipi-us-west-2]$ oc get netnamespaces | grep kube-api
openshift-kube-apiserver                           0          
openshift-kube-apiserver-operator                  0          
~~~

~~~
sh-4.4# curl -v --connect-timeout 5 https://172.30.43.8:443 -k
* Rebuilt URL to: https://172.30.43.8:443/
*   Trying 172.30.43.8...
* TCP_NODELAY set
* Connected to 172.30.43.8 (172.30.43.8) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, [no content] (0):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, [no content] (0):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, [no content] (0):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, [no content] (0):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, [no content] (0):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_128_GCM_SHA256
* ALPN, server accepted to use h2
* Server certificate:
*  subject: CN=machine-api-operator-webhook.openshift-machine-api.svc
*  start date: Jan  5 18:05:33 2022 GMT
*  expire date: Jan  5 18:05:34 2024 GMT
*  issuer: CN=openshift-service-serving-signer@1641405914
*  SSL certificate verify result: self signed certificate in certificate chain (19), continuing anyway.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* TLSv1.3 (OUT), TLS app data, [no content] (0):
* TLSv1.3 (OUT), TLS app data, [no content] (0):
* TLSv1.3 (OUT), TLS app data, [no content] (0):
* Using Stream ID: 1 (easy handle 0x55ba9126f740)
* TLSv1.3 (OUT), TLS app data, [no content] (0):
> GET / HTTP/2
> Host: 172.30.43.8
> User-Agent: curl/7.61.1
> Accept: */*
> 
* TLSv1.3 (IN), TLS handshake, [no content] (0):
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS app data, [no content] (0):
* Connection state changed (MAX_CONCURRENT_STREAMS == 250)!
* TLSv1.3 (OUT), TLS app data, [no content] (0):
* TLSv1.3 (IN), TLS app data, [no content] (0):
* TLSv1.3 (IN), TLS app data, [no content] (0):
* TLSv1.3 (IN), TLS app data, [no content] (0):
< HTTP/2 404 
< content-type: text/plain; charset=utf-8
< x-content-type-options: nosniff
< content-length: 19
< date: Wed, 05 Jan 2022 19:10:20 GMT
< 
* TLSv1.3 (IN), TLS app data, [no content] (0):
404 page not found
* Connection #0 to host 172.30.43.8 left intact
sh-4.4# 
~~~

~~~
[akaris@linux ipi-us-west-2]$ oc get co | grep kube-apiserver
kube-apiserver                             4.10.0-0.nightly-2021-12-23-153012   True        False         False      57m   
~~~

## Fix

TBD, I'll work on that next. You can tear down the reproducer, I got my own now, thank you :-)

Comment 9 zhaozhanqi 2022-01-13 02:17:23 UTC
Verified this bug on 4.10.0-0.nightly-2022-01-11-065245

$ oc get clusternetwork
NAME      CLUSTER NETWORK   SERVICE NETWORK   PLUGIN NAME
default   10.128.0.0/14     172.30.0.0/16     redhat/openshift-ovs-multitenant

$ oc get co
NAME                                       VERSION                              AVAILABLE   PROGRESSING   DEGRADED   SINCE   MESSAGE
authentication                             4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
baremetal                                  4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
cloud-controller-manager                   4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
cloud-credential                           4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
cluster-autoscaler                         4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
config-operator                            4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
console                                    4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
csi-snapshot-controller                    4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
dns                                        4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
etcd                                       4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
image-registry                             4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
ingress                                    4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
insights                                   4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
kube-apiserver                             4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
kube-controller-manager                    4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
kube-scheduler                             4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
kube-storage-version-migrator              4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
machine-api                                4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
machine-approver                           4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
machine-config                             4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
marketplace                                4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
monitoring                                 4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
network                                    4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
node-tuning                                4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
openshift-apiserver                        4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
openshift-controller-manager               4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
openshift-samples                          4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
operator-lifecycle-manager                 4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
operator-lifecycle-manager-catalog         4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
operator-lifecycle-manager-packageserver   4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
service-ca                                 4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h     
storage                                    4.10.0-0.nightly-2022-01-11-065245   True        False         False      13h

Comment 12 errata-xmlrpc 2022-03-12 04:40:32 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: OpenShift Container Platform 4.10.3 security update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2022:0056


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