+++ This bug was initially created as a clone of Bug #1813512 +++ Job [1]. Build-log symptoms: fail [github.com/openshift/origin/test/e2e/upgrade/upgrade.go:136]: during upgrade to registry.svc.ci.openshift.org/ocp/release@sha256:6fa3e6520d6668737d29a68ef7d7189642b07dba9b17511316210f336e9492b0 Unexpected error: <*errors.errorString | 0xc00470cf90>: { s: "Cluster did not complete upgrade: timed out waiting for the condition: Working towards 4.4.0-rc.1: 18% complete", } Cluster did not complete upgrade: timed out waiting for the condition: Working towards 4.4.0-rc.1: 18% complete occurred ... Mar 13 22:52:57.703 E clusterversion/version changed Failing to True: ClusterOperatorDegraded: Cluster operator kube-controller-manager is reporting a failure: NodeInstallerDegraded: 1 nodes are failing on revision 298:\nNodeInstallerDegraded: \nRevisionControllerDegraded: conflicting latestAvailableRevision 303\nTargetConfigControllerDegraded: "serviceaccount/localhost-recovery-client": secret openshift-kube-controller-manager/localhost-recovery-client-token hasn't been populated with SA token yet: missing SA UID $ curl -s https://storage.googleapis.com/origin-ci-test/logs/release-openshift-origin-installer-e2e-azure-upgrade/92/artifacts/e2e-azure-upgrade/must-gather/quay-io-openshift-release-dev-ocp-v4-0-art-dev-sha256-69d0187ff513f67a3dbe37c843e318a59ff27699f3c38dcd2d79df13bc176def/namespaces/openshift-cluster-version/pods/cluster-version-operator-5fffc549d9-kmq5k/cluster-version-operator/cluster-version-operator/logs/current.log | grep 'Running sync.*in state\|Result of work' | tail -n3 2020-03-13T23:01:42.3198065Z I0313 23:01:42.319768 1 task_graph.go:596] Result of work: [Cluster operator kube-controller-manager is reporting a failure: NodeInstallerDegraded: 1 nodes are failing on revision 346: 2020-03-13T23:04:40.0548178Z I0313 23:04:40.054748 1 sync_worker.go:471] Running sync registry.svc.ci.openshift.org/ocp/release@sha256:6fa3e6520d6668737d29a68ef7d7189642b07dba9b17511316210f336e9492b0 (force=true) on generation 2 in state Updating at attempt 9 2020-03-13T23:10:25.1064177Z I0313 23:10:25.106409 1 task_graph.go:596] Result of work: [Cluster operator kube-controller-manager is reporting a failure: NodeInstallerDegraded: 1 nodes are failing on revision 393: Not sure what's going on with that. Currently it's only turned up in a single 4.3.5 -> 4.4.0-rc.1 CI job [2], but hanging an update is bad. We're asking the following questions to evaluate whether or not this bug warrants blocking an upgrade edge from either the previous X.Y or X.Y.Z. The ultimate goal is to avoid delivering an update which introduces new risk or reduces cluster functionality in any way. Sample answers are provided to give more context the UpgradeBlocker flag has been added to this bug. It will be removed if the assessment indicates that this should not block upgrade edges. Who is impacted? Customers upgrading from 4.2.99 to 4.3.z running on GCP with thousands of namespaces, approximately 5% of the subscribed fleet All customers upgrading from 4.2.z to 4.3.z fail approximately 10% of the time What is the impact? Up to 2 minute disruption in edge routing Up to 90seconds of API downtime etcd loses quorum and you have to restore from backup How involved is remediation? Issue resolves itself after five minutes Admin uses oc to fix things Admin must SSH to hosts, restore from backups, or other non standard admin activities Is this a regression? No, it’s always been like this we just never noticed Yes, from 4.2.z and 4.3.1 [1]: https://prow.svc.ci.openshift.org/view/gcs/origin-ci-test/logs/release-openshift-origin-installer-e2e-azure-upgrade/92 [2]: https://search.svc.ci.openshift.org/?name=upgrade&search=localhost-recovery-client-token+hasn%27t+been+populated+with+SA+token+yet%3A+missing+SA+UID&maxAge=336h&context=-1&type=all --- Additional comment from Tomáš Nožička on 2020-03-16 16:01:33 UTC --- The number of installer revisions is outstanding. Mar 13 22:16:57.566 E clusterversion/version changed Failing to True: ClusterOperatorDegraded: Cluster operator kube-controller-manager is reporting a failure: NodeInstallerDegraded: 1 nodes are failing on revision 111:\nNodeInstallerDegraded: \nTargetConfigControllerDegraded: "serviceaccount/localhost-recovery-client": secret openshift-kube-controller-manager/localhost-recovery-client-token hasn't been populated with SA token yet: missing SA UID Mar 13 22:26:12.601 E clusterversion/version changed Failing to True: ClusterOperatorDegraded: Cluster operator kube-controller-manager is reporting a failure: NodeInstallerDegraded: 1 nodes are failing on revision 155:\nNodeInstallerDegraded: \nTargetConfigControllerDegraded: "serviceaccount/localhost-recovery-client": secret openshift-kube-controller-manager/localhost-recovery-client-token hasn't been populated with SA token yet: missing SA UID Mar 13 22:44:12.670 E clusterversion/version changed Failing to True: ClusterOperatorDegraded: Cluster operator kube-controller-manager is reporting a failure: NodeInstallerDegraded: 1 nodes are failing on revision 250:\nNodeInstallerDegraded: \nTargetConfigControllerDegraded: "serviceaccount/localhost-recovery-client": secret openshift-kube-controller-manager/localhost-recovery-client-token hasn't been populated with SA token yet: missing SA UID Mar 13 22:52:57.703 E clusterversion/version changed Failing to True: ClusterOperatorDegraded: Cluster operator kube-controller-manager is reporting a failure: NodeInstallerDegraded: 1 nodes are failing on revision 298:\nNodeInstallerDegraded: \nRevisionControllerDegraded: conflicting latestAvailableRevision 303\nTargetConfigControllerDegraded: "serviceaccount/localhost-recovery-client": secret openshift-kube-controller-manager/localhost-recovery-client-token hasn't been populated with SA token yet: missing SA UID Also this looks pretty fatal: Mar 13 23:05:31.216 W ns/openshift-kube-controller-manager pod/kube-controller-manager-ci-op-vf25zxdf-7f637-cb7p6-master-0 Unable to attach or mount volumes: unmounted volumes=[resource-dir cert-dir], unattached volumes=[resource-dir cert-dir]: timed out waiting for the condition I didn't find the exact cause yet but I'll continue in the morning. Moving it to 4.4.0 as it looks fairly bad so far. --- Additional comment from Tomáš Nožička on 2020-03-17 18:12:32 UTC --- ``` { "apiVersion": "v1", "kind": "Secret", "metadata": { "annotations": { "kubernetes.io/service-account.name": "localhost-recovery-client" }, "creationTimestamp": "2020-03-13T21:57:13Z", "name": "localhost-recovery-client-token", "namespace": "openshift-kube-controller-manager", "resourceVersion": "24994", "selfLink": "/api/v1/namespaces/openshift-kube-controller-manager/secrets/localhost-recovery-client-token", "uid": "853d9788-b36f-459c-b26b-ee8e5e70b45f" }, "type": "kubernetes.io/service-account-token" } ``` is missing the token that should have been injected by kube-controller-manager. I was considering it could be fighting with apply but the kube-controller-manager-operator logs are missing SecretUpdated events. Unfortunately, the audit logs that could prove either way are corrupted and contain no mention of secret openshift-kube-controller-manager/localhost-recovery-client-token, not even the create audit event. ``` { "apiVersion": "v1", "data": { "ca.crt": 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"namespace": "", "service-ca.crt": "-----BEGIN CERTIFICATE-----
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", "token": "" }, "kind": "Secret", "metadata": { "annotations": { "kubernetes.io/service-account.name": "localhost-recovery-client", "kubernetes.io/service-account.uid": "5ec083e7-7f42-45a6-b3d0-f3d03eea45de" }, "creationTimestamp": "2020-03-13T23:10:59Z", "name": "localhost-recovery-client-token-400", "namespace": "openshift-kube-controller-manager", "ownerReferences": [ { "apiVersion": "v1", "kind": "ConfigMap", "name": "revision-status-400", "uid": "8bda187a-6ee8-4851-b2f4-58500631d220" } ], "resourceVersion": "65608", "selfLink": "/api/v1/namespaces/openshift-kube-controller-manager/secrets/localhost-recovery-client-token-400", "uid": "ce6980c0-4f45-49a3-aae1-454ad783a948" }, "type": "kubernetes.io/service-account-token" } ``` The revisioned versions contain "ca.crt" and "service-ca.crt" values injected (possibly some admission for service-ca - might worth to have a look as it isn't present on localhost-recovery-client-token). This is what triggers the 400 rollouts as it is hot looping on DeepEqual between those two. ACTION ITEM #1 Do not rollout a revision if createTargetConfigController failed maybe blocking the managePod would prevent the install before the token is ready https://github.com/openshift/cluster-kube-controller-manager-operator/blob/e976dbc5f71d9b8c988a802a96073a929b7bdae1/pkg/operator/targetconfigcontroller/targetconfigcontroller.go#L234-L241 The lack of injected token is likely a case where no kube-controller-manager is running. === kube-controller-manager-ci-op-vf25zxdf-7f637-cb7p6-master-0 - is the new version deploying but waiting for the token to be injected - pending - it shouldn't install before the revisioned resource is ready === kube-controller-manager-ci-op-vf25zxdf-7f637-cb7p6-master-1 2020-03-13T21:34:29.9862257Z E0313 21:34:29.986173 1 leaderelection.go:330] error retrieving resource lock kube-system/kube-controller-manager: Get https://localhost:6443/api/v1/namespaces/kube-system/configmaps/kube-controller-manager?timeout=10s: dial tcp [::1]:6443: connect: connection refused 2020-03-13T21:34:36.5130096Z E0313 21:34:36.512916 1 leaderelection.go:330] error retrieving resource lock kube-system/kube-controller-manager: configmaps "kube-controller-manager" is forbidden: User "system:kube-controller-manager" cannot get resource "configmaps" in API group "" in the namespace "kube-system": RBAC: [clusterrole.rbac.authorization.k8s.io "system:webhook" not found, clusterrole.rbac.authorization.k8s.io "system:discovery" not found, clusterrole.rbac.authorization.k8s.io "system:public-info-viewer" not found, clusterrole.rbac.authorization.k8s.io "system:basic-user" not found, clusterrole.rbac.authorization.k8s.io "system:oauth-token-deleter" not found, clusterrole.rbac.authorization.k8s.io "system:build-strategy-jenkinspipeline" not found, clusterrole.rbac.authorization.k8s.io "system:openshift:discovery" not found, clusterrole.rbac.authorization.k8s.io "self-access-reviewer" not found, clusterrole.rbac.authorization.k8s.io "basic-user" not found, clusterrole.rbac.authorization.k8s.io "system:build-strategy-docker" not found, clusterrole.rbac.authorization.k8s.io "system:scope-impersonation" not found, clusterrole.rbac.authorization.k8s.io "cluster-status" not found, clusterrole.rbac.authorization.k8s.io "system:openshift:public-info-viewer" not found, clusterrole.rbac.authorization.k8s.io "system:kube-controller-manager" not found, clusterrole.rbac.authorization.k8s.io "system:build-strategy-source" not found, clusterrole.rbac.authorization.k8s.io "console-extensions-reader" not found] 2020-03-13T22:01:14.6880472Z E0313 22:01:14.687968 1 leaderelection.go:330] error retrieving resource lock kube-system/kube-controller-manager: Get https://localhost:6443/api/v1/namespaces/kube-system/configmaps/kube-controller-manager?timeout=10s: dial tcp [::1]:6443: connect: connection refused 2020-03-13T22:01:19.4268737Z E0313 22:01:19.426825 1 leaderelection.go:330] error retrieving resource lock kube-system/kube-controller-manager: configmaps "kube-controller-manager" is forbidden: User "system:kube-controller-manager" cannot get resource "configmaps" in API group "" in the namespace "kube-system" === kube-controller-manager-ci-op-vf25zxdf-7f637-cb7p6-master-2 2020-03-13T23:12:18.3357629Z E0313 23:12:18.335746 1 azure_standard.go:714] error: az.EnsureHostInPool(ci-op-vf25zxdf-7f637-cb7p6-master-1), az.vmSet.GetPrimaryInterface.Get(ci-op-vf25zxdf-7f637-cb7p6-master-1, ), err=azure - cloud provider rate limited(read) for operation:NicGet 2020-03-13T23:12:33.8048022Z E0313 23:12:33.804725 1 reflector.go:123] k8s.io/client-go/informers/factory.go:134: Failed to list *v1beta1.PodSecurityPolicy: the server could not find the requested resource 2020-03-13T23:12:33.8058897Z E0313 23:12:33.805858 1 reflector.go:123] k8s.io/client-go/informers/factory.go:134: Failed to list *v1beta1.ReplicaSet: the server could not find the requested resource 2020-03-13T23:12:33.8073024Z E0313 23:12:33.807277 1 reflector.go:123] k8s.io/client-go/informers/factory.go:134: Failed to list *v1beta1.NetworkPolicy: the server could not find the requested resource ... ACTION ITEM #2 - we should never have all kube-controller-managers down during upgrade - some of the errors might be connected to kube-apiservers Maciej, would you mind looking into this further while I am out? Thanks. --- Additional comment from Maciej Szulik on 2020-03-26 18:35:54 UTC --- I looked into this and confirmed most of that Tomas wrote in the previous comment, that kcm-o is hot-looping while waiting for localhost-recovery-client-token SA token. The problem is that this is a new resource which is additionally dependant on kcm to inject additional data. This makes this mechanism very racy. I spoke with Stefan about it and we both agree that blocking managePod would only hide the issue here. The best option and recommended approach for the future cases like this one is to create a "blueprint" resource and allow the controller to inject that token. Only then sync the blueprint into its actual location. This will lengthen the process but only the first time, at the same time preventing any races like the one described above. --- Additional comment from W. Trevor King on 2020-03-26 18:58:22 UTC --- Re-instating the needsinfo. Comments above make it sound like folks have a good handle on the underlying issue, but the impact-statement questions from comment 0 ("Who is impacted?" through "Is this a regression?" remain unanswered, so it's not clear if this should remain an UpgradeBlocker or, if so, which edges should be blocked by it. --- Additional comment from Maciej Szulik on 2020-03-27 09:08:03 UTC --- (In reply to W. Trevor King from comment #4) > Re-instating the needsinfo. Comments above make it sound like folks have a > good handle on the underlying issue, but the impact-statement questions from > comment 0 ("Who is impacted?" through "Is this a regression?" remain > unanswered, so it's not clear if this should remain an UpgradeBlocker or, if > so, which edges should be blocked by it. Sorry, I missed that. No this is not a regression, in 4.4 we've introduced new mechanism for auto recovery, which was not present previously in the product. Specifically the operator dependence on a new secret, namely localhost-recovery-client-token which additionally needs to be reacted on by the operand introduce a race which was identified and I'm working on a fix. --- Additional comment from W. Trevor King on 2020-03-27 17:21:38 UTC --- So everyone updating from 4.3.z to 4.4 (until your fix lands) is impacted? Or just some subset of those folks? Also, can you answer the "What is the impact?" and "How involved is remediation?", or do we not have a handle on those yet? --- Additional comment from Maciej Szulik on 2020-03-30 13:55:30 UTC --- (In reply to W. Trevor King from comment #6) > So everyone updating from 4.3.z to 4.4 (until your fix lands) is impacted? > Or just some subset of those folks? Also, can you answer the "What is the > impact?" and "How involved is remediation?", or do we not have a handle on > those yet? So this is time dependant iow. unpredictable, it may or may not happen. The ordering here is important. We have it all identified and actively working on a fix. --- Additional comment from W. Trevor King on 2020-03-30 14:33:37 UTC --- > We have it all identified and actively working on a fix. But you cannot retroactively fix existing releases like 4.4.0-rc.1. My current understanding is that this issue impacts some racy fraction of 4.3.z -> 4.4 updates, and that it does not impact other updates like 4.3.z -> 4.3.z. I am still not clear on whether it impacts 4.4 -> 4.4 updates. Or, when a given cluster is impacted, what the impact is, or how involved remediation is. Or are we saying something like "only 4.4 RCs are impacted, we don't really care about managing update edges for RCs, we'll have this fixed before 4.4.0 GAs, and we don't want to bother working up remediation details for the folks who do happen to hit this on a 4.4 RC"? --- Additional comment from Tomáš Nožička on 2020-03-31 10:15:06 UTC --- > My current understanding is that this issue impacts some racy fraction of 4.3.z -> 4.4 updates, and that it does not impact other updates like 4.3.z -> 4.3.z. correct > I am still not clear on whether it impacts 4.4 -> 4.4 updates. I don't think it does. The SA would already be created and provided with the long lived token. The issue comes from a race when creating the long lived SA the first time (4.3->4.4) and also hitting other issues. The impact is likely fatal (manual intervention) as you can't update the operator to newer version afterwards to remedy the situation. My hope is we fix this before 4.4 ships.
Confirmed with payload: 4.5.0-0.nightly-2020-04-08-232100, no issue found: 1) Run this command in a loop to make sure that data.token is deleted from openshift-kube-controller-manager/localhost-recovery-client-token # for i in {1..100} ; do oc patch secret localhost-recovery-client-token --type='json' -p='[{"op": "replace", "path": "/data/token", "value": ""}]'; done 2) In second terminal ran the command below to see that revisions have not made the token empty(token with name "localhost-recovery-client-token-<number>" when run the command on second terminal). # for i in {1..100}; do oc get secrets -o json | jq '.items[] | select(.metadata.name | test("localhost-recovery-client-token-*")) | select(.data.token == null or .data.token == "")'; done No revisions had the token empty.
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, 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/RHBA-2020:2409
Removing UpgradeBlocker from this older bug, to remove it from the suspect queue described in [1]. If you feel like this bug still needs to be a suspect, please add keyword again. [1]: https://github.com/openshift/enhancements/pull/475