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6.2.12-1

22 Sep 12:44
@yuvallevy2 yuvallevy2
v6.2.12-1
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6.2.12-1

Overview

The Redis Enterprise K8s 6.2.12-1 supports the Redis Enterprise Software release 6.2.12 and includes feature improvements and bug fixes.
The key bug fixes and known limitations are described below.

Images

This release includes the following container images:

  • Redis Enterprise: redislabs/redis:6.2.12-82 or redislabs/redis:6.2.12-82.rhel8-openshift
  • Operator: redislabs/operator:6.2.12-1
  • Services Rigger: redislabs/k8s-controller:6.2.12-1 or redislabs/services-manager:6.2.12-1 (on the Red Hat registry)

Feature improvements

  • Redis Enterprise Software 6.2.12 support (RED-83829)
  • Added support for annotations on services created by Redis Enterprise (RED-56245)
  • Support for additional builds of the same Redis Software version with the same operator version. The list of supported builds will be published. (RED-78757)

Bug fixes

  • Fixed Golang related vulnerabilities (RED-79205)
  • Log collector creating larger packages (RED-79650)
  • Log collector crashes when Redis Enterprise cluster is not running (RED-79996)
  • Redis Enterprise Software pods termination process could lead, in some circumstances, to pod shutdown without proper failover of its master shards. This has been fixed so that the failover attempts are retried indefinitely within the grace period, which by default is 1 year. The grace period is controllable via the redisEnterpriseTerminationGracePeriodSeconds parameter in the REC (but note that shutting down a pod without the proper failovers may lead to data loss).(RED-75388)

API changes

The Redis Enterprise cluster podSecurityPolicy is deprecated. This is still supported but will be removed when all K8s versions supporting the feature are removed.

Compatibility notes

Below is a table showing supported distributions at the time of this release. See Supported Kubernetes distributions for the current list of supported distributions.

Kubernetes version 1.20 1.21 1.22 1.23 1.24
Community Kubernetes supported supported supported
Amazon EKS deprecated supported supported*
Azure AKS supported supported supported*
Google GKE deprecated supported supported supported*
Rancher 2.6 supported supported supported*
OpenShift version 4.7 4.8 4.9 4.10 4.11
deprecated deprecated supported supported supported*
VMware TKGI version 1.11 1.12 1.13 1.14 1.15
deprecated deprecated supported* supported*
* Support added in this release

Support added

  • Azure AKS 1.24
  • Amazon EKS 1.23
  • Google GKE 1.24
  • OpenShift 4.11
  • Rancher 1.23
  • VMware TKGI 1.14

Deprecated

  • Amazon EKS 1.21
  • Google GKE 1.21
  • OpenShift 4.7
  • OpenShift 4.8
  • VMware TKGI 1.11
  • VMware TKGI 1.12

No longer supported

  • Community Kubernetes 1.21
  • Amazon EKS 1.19, 1.20
  • Azure AKS 1.21
  • Google GKE 1.19, 1.20
  • Rancher 2.6 1.19, 1.20
  • VMware TKGI 1.10

Known limitations

  • Long cluster names cause routes to be rejected (RED-25871)
    A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or less.

  • Cluster CR (REC) errors are not reported after invalid updates (RED-25542)

    A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

  • An unreachable cluster has status running (RED-32805)

    When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

  • Readiness probe incorrect on failures (RED-39300)
    STS Readiness probe does not mark a node as "not ready" when running rladmin status on node failure.

  • Role missing on replica sets (RED-39002)
    The redis-enterprise-operator role is missing permission on replica sets.

  • Private registries are not supported on OpenShift 3.11 (RED-38579)
    OpenShift 3.11 does not support DockerHub private registries. This is a known OpenShift issue.

  • Internal DNS and Kubernetes DNS may have conflicts (RED-37462)
    DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

  • 5.4.10 negatively impacts 5.4.6 (RED-37233)
    Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

  • Node CPU usage is reported instead of pod CPU usage (RED-36884)
    In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

  • Clusters must be named "rec" in OLM-based deployments (RED-39825)
    In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) are bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

  • REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED-47254)
    When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

  • Deleting an OpenShift project with an REC deployed may hang (RED-47192)
    When a REC cluster is deployed in a project (namespace) and has REDB resources, the REDB resources must be deleted first before the REC can be deleted. As such, until the REDB resources are deleted, the project deletion will hang. The fix is to delete the REDB resources first and the REC second. Afterwards, you may delete the project.

  • REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED-51921)
    In K8s 1.15 or older, the PVC labels come from the match selectors and not the PVC templates. As such, these versions cannot support PVC labels. If this feature is required, the only fix is to upgrade the K8s cluster to a newer version.

  • Hashicorp Vault integration - no support for Gesher (RED-55080)
    There is no workaround at this time.

  • REC might report error states on initial startup (RED-61707)
    There is no workaround at this time except to ignore the errors.

  • PVC size issues when using decimal value in spec (RED-62132)
    The workaround for this issue is to make sure you use integer values for the PVC size.

  • Following old revision of quick start guide causes issues creating an REDB due to unrecognized memory field name (RED-69515)
    The workaround is to use the newer (current) revision of the quick start document available online.

  • autoUpgrade set to true by operator might cause unexpected bdb upgrades when redisUpgradePolicy is set to true (RED-72351)
    Contact support if your deployment is impacted.

  • Procedure to update credentials might be problematic on OpenShift when accessing the cluster externally using routes (RS issue)(RED-73251)(RED-75329)
    To workaround this, access the API from within the K8s cluster.

  • On Windows, log_collector doesn't recognize the namespace given with the -n flag (RED-83532)
    To workaround this, use a different operating system.

  • Active-Active database creation will fail if the ingress class annotation is not exactly "nginx" when using Nginx ingress controller (RED-83070)

  • Failures during the node shutdown/drain process were not preventing node shutdown. Fixed the process to do retries. The duration of the retries is controllable via the "redisEnterpriseTerminationGracePeriodSeconds" parameter within REC. (RED-75388)

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6.2.10-45

07 Jul 18:41
@bascar bascar
v6.2.10-45
ff6181d
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6.2.10-45

Overview

The Redis Enterprise K8s 6.2.10-45 supports the Redis Enterprise Software release 6.2.10 and includes feature improvements and bug fixes.

The key bug fixes and known limitations are described below.

Images

This release includes the following container images:

  • Redis Enterprise: redislabs/redis:6.2.10-129 or redislabs/redis:6.2.10-129.rhel8-openshift
  • Operator: redislabs/operator:6.2.10-45
  • Services Rigger: redislabs/k8s-controller:6.2.10-45 or redislabs/services-manager:6.2.10-45 (on the Red Hat registry)

Feature improvements

  • OpenShift OperatorLifecycleManager support on restricted networks (RED-72968)
  • log_collector script uses oc command with automatic detection of OpenShift (RED-73215)
  • Operator uses policy/v1 for PodDistruptionBudget(RED-78564)
  • Added support for Kubernetes distributions (see Compatibility notes below)

Fixed bugs

  • Upgrade failures when RHEL7 was used (RED-77890)
  • Log collector failures when Python2 was used (RED-73403)

API changes

The digestHash optional field added to imageSpec fields in the REC. This field should be used in disconnected environments using the OperatorLifecycleManager.

Compatibility notes

Below is a table showing supported distributions at the time of this release. See Supported Kubernetes distributions for the current list of supported distributions.

Kubernetes version 1.19 1.20 1.21 1.22 1.23 1.24
Community Kubernetes deprecated supported supported supported*
Amazon EKS deprecated deprecated supported supported*
Azure AKS deprecated supported supported
Google GKE deprecated deprecated supported supported supported*
Rancher 2.6 deprecated deprecated supported supported
OpenShift version 4.6 4.7 4.8 4.9 4.10
deprecated deprecated supported supported
VMware TKGI version 1.10 1.11 1.12 1.13
deprecated deprecated supported* supported*

* Support added in this release

Support added

  • K8s community version 1.24

Deprecated

  • OpenShift 4.7-4.8
  • Kubernetes 1.20
  • Rancher 2.6 for K8s 1.19-1.20
  • TKGI 1.10-11

No longer supported

  • OpenShift 4.6 (previously deprecated)
  • Kubernetes 1.18-1.19 (previously deprecated)
  • Rancher 2.6 for K8s 1.18 (previously deprecated)
  • AKS 1.20-1.21 (previously deprecated)
  • EKS 1.18-1.19 (previously deprecated)
  • GKE 1.19 (previously deprecated)

Known limitations

  • Long cluster names cause routes to be rejected (RED-25871)

    A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or less.

  • Cluster CR (REC) errors are not reported after invalid updates (RED-25542)

    A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

  • An unreachable cluster has status running (RED-32805)

    When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

  • Readiness probe incorrect on failures (RED-39300)

    STS Readiness probe does not mark a node as "not ready" when running rladmin status on node failure.

  • Role missing on replica sets (RED-39002)

    The redis-enterprise-operator role is missing permission on replica sets.

  • Internal DNS and Kubernetes DNS may have conflicts (RED-37462)

    DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

  • 5.4.10 negatively impacts 5.4.6 (RED-37233)

    Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

  • Node CPU usage is reported instead of pod CPU usage (RED-36884)

    In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

  • Clusters must be named "rec" in OLM-based deployments (RED-39825)

    In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) are bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

  • REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED-47254)

    When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

  • Deleting an OpenShift project with an REC deployed may hang (RED-47192)

    When a REC cluster is deployed in a project (namespace) and has REDB resources, the REDB resources must be deleted first before the REC can be deleted. As such, until the REDB resources are deleted, the project deletion will hang. The fix is to delete the REDB resources first and the REC second. Afterwards, you may delete the project.

  • REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED-51921)

    In K8s 1.15 or older, the PVC labels come from the match selectors and not the PVC templates. As such, these versions cannot support PVC labels. If this feature is required, the only fix is to upgrade the K8s cluster to a newer version.

  • Hashicorp Vault integration - no support for Gesher (RED-55080)

    There is no workaround at this time.

  • REC might report error states on initial startup (RED-61707)

    There is no workaround at this time except to ignore the errors.

  • PVC size issues when using decimal value in spec (RED-62132)

    The workaround for this issue is to make sure you use integer values for the PVC size.

  • Following old revision of quick start guide causes issues creating an REDB due to unrecognized memory field name (RED-69515)

The workaround is to use the newer (current) revision of the quick start document available online.

  • autoUpgrade set to true by operator might cause unexpected bdb upgrades when redisUpgradePolicy is set to true (RED-72351)

    Contact support if your deployment is impacted.

  • Procedure to update credentials might be problematic on OpenShift when accessing the cluster externally using routes (RS issue)(RED-73251)(RED-75329)
    To workaround this, access the API from within the K8s cluster.

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6.2.10-34

11 May 23:48
@bascar bascar
v6.2.10-34
203225e
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6.2.10-34

Overview

The Redis Enterprise K8s 6.2.10-34 supports the Redis Enterprise Software release 6.2.10 and includes feature improvements and bug fixes.

The key new features, bug fixes, and known limitations are described below.

Warning!
Do not upgrade to this 6.2.10-34 release if you are an OpenShift customer and also use modules.

There was a change in 6.2.10-34 to a new RHEL 8 base image for the Redis Server image. Due to binary differences in modules between the two operating systems, you cannot directly update RHEL 7 clusters to RHEL 8 when those clusters host databases using modules.

This message will be updated as remediation plans and new steps are available to address this situation. Please contact support if you have further questions.

Images

This release includes the following container images:

  • Redis Enterprise: redislabs/redis:6.2.10-107 or redislabs/redis:6.2.10-107.rhel8-openshift
  • Operator: redislabs/operator:6.2.10-34
  • Services Rigger: redislabs/k8s-controller:6.2.10-34 or redislabs/services-manager:6.2.10-34 (on the Red Hat registry)

New features

  • Support database upgrade policy (major/latest) for REDB resources (RED-71028)
  • Support for memcached type databases for REDB (RED-70284)(RED-75269)
  • Use RHEL8 base images for OpenShift deployments (RED-72374)

Feature improvements

  • OpenShift 4.10 support (RED-73966)
  • Allow setting host time zone on running containers (RED-56810)
  • AKS 1.23 support (RED-73965)
  • EKS 1.22 support (RED-73972)

Fixed bugs

  • Outdated SCC YAML file (RED-72026) (RED-73341)
  • Admission container startup failure (RED-72081)
  • Admission container restarts due to race condition with config map creation (RED-72268)
  • Incorrect REDB status report during cluster recovery (RED-72944)
  • Invalid REDB spec not always rejected by admission controller (RED-73145)

Compatibility notes

Below is a table showing supported distributions at the time of this release. See Supported Kubernetes distributions for the current list of supported distributions.

Kubernetes version 1.19 1.20 1.21 1.22 1.23
Community Kubernetes deprecated deprecated supported supported supported*
Amazon EKS supported supported supported
Azure AKS supported supported supported*
Google GKE supported supported supported supported
Rancher 2.6 supported supported supported supported
OpenShift version 4.6 4.7 4.8 4.9 4.10
deprecated deprecated supported supported supported*
VMware TKGI version 1.10 1.11 1.12 1.13
supported supported supported*

* Support added in most recent release

Now supported

  • OpenShift 4.10 is now supported
  • kOps (Community Kubernetes) 1.23 is now supported
  • AKS 1.23 is now supported
  • EKS 1.22 is now supported

Deprecated

  • OpenShift 4.6-4.7 is deprecated
  • kOps (Community Kubernetes) 1.18-1.20 are deprecated
  • GKE 1.19 is deprecated
  • Rancher 2.6 - K8s 1.18 is deprecated
  • AKS 1.20-1.21 are deprecated
  • EKS 1.18-1.19 are deprecated

No longer supported

  • Rancher version 2.5 (previously deprecated) is no longer supported (not supported by SUSE)
  • OpenShift version 3.11 (previously deprecated) is no longer supported.

Known limitations

Warning!
Do not upgrade to this 6.2.10-34 release if you are an OpenShift customer and also use modules.

There was a change in 6.2.10-34 to a new RHEL 8 base image for the Redis Server image. Due to binary differences in modules between the two operating systems, you cannot directly update RHEL 7 clusters to RHEL 8 when those clusters host databases using modules.

This message will be updated as remediation plans and new steps are available to address this situation. Please contact support if you have further questions.

  • Long cluster names cause routes to be rejected (RED-25871)

    A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or less.

  • Cluster CR (REC) errors are not reported after invalid updates (RED-25542)

    A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

  • An unreachable cluster has status running (RED-32805)

    When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

  • Readiness probe incorrect on failures (RED-39300)

    STS Readiness probe does not mark a node as "not ready" when running rladmin status on node failure.

  • Role missing on replica sets (RED-39002)

    The redis-enterprise-operator role is missing permission on replica sets.

  • Internal DNS and Kubernetes DNS may have conflicts (RED-37462)

    DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

  • 5.4.10 negatively impacts 5.4.6 (RED-37233)

    Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

  • Node CPU usage is reported instead of pod CPU usage (RED-36884)

    In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

  • Clusters must be named "rec" in OLM-based deployments (RED-39825)

    In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) are bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

  • REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED-47254)

    When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

  • Deleting an OpenShift project with an REC deployed may hang (RED-47192)

    When a REC cluster is deployed in a project (namespace) and has REDB resources, the REDB resources must be deleted first before the REC can be deleted. As such, until the REDB resources are deleted, the project deletion will hang. The fix is to delete the REDB resources first and the REC second. Afterwards, you may delete the project.

  • REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED-51921)

    In K8s 1.15 or older, the PVC labels come from the match selectors and not the PVC templates. As such, these versions cannot support PVC labels. If this feature is required, the only fix is to upgrade the K8s cluster to a newer version.

  • Hashicorp Vault integration - no support for Gesher (RED-55080)

    There is no workaround at this time.

  • REC might report error states on initial startup (RED-61707)

    There is no workaround at this time except to ignore the errors.

  • PVC size issues when using decimal value in spec (RED-62132)

    The workaround for this issue is to make sure you use integer values for the PVC size.

  • Following old revision of quick start guide causes issues creating an REDB due to unrecognized memory field name (RED-69515)

The workaround is to use the newer (current) revision of the quick start document available online.

  • autoUpgrade set to true by operator might cause unexpected bdb upgrades when redisUpgradePolicy is set to true (RED-72351)

    Contact support if your deployment is impacted.

  • Procedure to update credentials might be problematic on OpenShift when accessing the cluster externally using routes (RS issue)(RED-73251)(RED-75329)
    To workaround this, access the API from within the K8s cluster.

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6.2.10-4

03 Mar 19:42
@bascar bascar
6.2.10-4
c54156e
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6.2.10-4

Overview

The Redis Enterprise K8s 6.2.10-4 supports the Redis Enterprise Software release 6.2.10 and includes feature improvements and bug fixes.

The key new features, bug fixes, and known limitations are described below.

Images

This release includes the following container images:

  • Redis Enterprise: redislabs/redis:6.2.10-90 or redislabs/redis:6.2.10-90.rhel7-openshift
  • Operator: redislabs/operator:6.2.10-4
  • Services Rigger: redislabs/k8s-controller:6.2.10-4 or redislabs/services-manager:6.2.10-4 (on the Red Hat registry)

Feature improvements

  • REDB status - bundled Redis versions for cluster shown in status (RED-44074)
  • OLM (OperatorHub) - example REC contains image references to Red Hat servers (RED-44439)
  • REDB status - added information about database backups (RED-45577)
  • Added dedicated metrics exporter service (service name ending in -prom). Using the service is recommended for gathering Prometheus data about the cluster. Using the service with the REC service is deprecated (RED-61807)
  • REDB - added support for shard_placement
  • RS 6.2.10 support (RED-69142)
  • REDB - control autoUpgrade (RED-71157)

Fixed bugs

  • Cluster no longer refuses wrong sized volume to create clusters (error shown instead) (RED-61284)

  • Resolved high CPU usage when many pods are running within the namespace (RED-69682)

  • TKGI - support 1.11/1.12 (RED-70579)

  • Fixed rack awareness label in documentation (RED-70622)

  • Fixed crash in admission container when admission service is missing (RED-70678)

  • Services rigger deployment generation no longer increases without changes (RED-70835)

Known limitations

Long cluster names cause routes to be rejected (RED-25871)

A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or less.

Cluster CR (REC) errors are not reported after invalid updates (RED-25542)

A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

An unreachable cluster has status running (RED-32805)

When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

Readiness probe incorrect on failures (RED-39300)

STS Readiness probe does not mark a node as "not ready" when running rladmin status on node failure.

Role missing on replica sets (RED-39002)

The redis-enterprise-operator role is missing permission on replica sets.

Private registries are not supported on OpenShift 3.11 (RED-38579)

OpenShift 3.11 does not support DockerHub private registries. This is a known OpenShift issue.

Internal DNS and Kubernetes DNS may have conflicts (RED-37462)

DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

5.4.10 negatively impacts 5.4.6 (RED-37233)

Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

Node CPU usage is reported instead of pod CPU usage (RED-36884)

In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

Clusters must be named "rec" in OLM-based deployments (RED-39825)

In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) are bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED-47254)

When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

Deleting an OpenShift project with an REC deployed may hang (RED-47192)

When a REC cluster is deployed in a project (namespace) and has REDB resources, the
REDB resources must be deleted first before the REC can be deleted. As such, until the
REDB resources are deleted, the project deletion will hang. The fix is to delete the
REDB resources first and the REC second. Afterwards, you may delete the project.

REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED-51921)

In K8s 1.15 or older, the PVC labels come from the match selectors and not the
PVC templates. As such, these versions cannot support PVC labels. If this feature
is required, the only fix is to upgrade the K8s cluster to a newer version.

Hashicorp Vault integration - no support for Gesher (RED-55080)

There is no workaround at this time.

REC might report error states on initial startup (RED-61707)

There is no workaround at this time except to ignore the errors.

PVC size issues when using decimal value in spec (RED-62132)

The workaround for this issue is to make sure you use integer values for the PVC size.

Following old revision of quick start guide causes issues creating an REDB due to unrecognized memory field name (RED-69515)

The workaround is to use the newer (current) revision of the quick start document available online.

autoUpgrade set to true by operator might cause unexpected bdb upgrades when redisUpgradePolicy is set to true (RED-72351)

Contact support if your deployment is impacted.

Compatibility Notes

See Supported Kubernetes distributions for the full list of supported distributions.

Now supported

  • TKGI 1.11 (K8s 1.20) is supported

Deprecated

  • Rancher version 2.5 support is deprecated

No longer supported

  • Rancher version 2.5 / K8s 1.17 (previously deprecated) is no longer supported (not supported by SUSE)
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6.2.8-15

19 Jan 22:27
@bascar bascar
v6.2.8-15
74c0fb9
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6.2.8-15

Overview

The Redis Enterprise K8s 6.2.8-15 is a maintenance release for the Redis Enterprise Software release 6.2.8 and includes bug fixes.

The key new features, bug fixes, and known limitations are described below.

Images

This release includes the following container images:

  • Redis Enterprise: redislabs/redis:6.2.8-64 or redislabs/redis:6.2.8-64.rhel7-openshift
  • Operator: redislabs/operator:6.2.8-15
  • Services Rigger: redislabs/k8s-controller:6.2.8-15 or redislabs/services-manager:6.2.8-15 (on the Red Hat registry)

Fixed bugs

  • Upgrading with the bundle using kubectl apply -f fails giving error (RED-69570):

    The CustomResourceDefinition "redisenterpriseclusters.app.redislabs.com" is invalid: spec.preserveUnknownFields: Invalid value: true: must be false in order to use defaults in the schema.

  • Removed unneeded certificates from the Redis Enterprise Software container (RED-69661, RED-60086)

Known limitations

Long cluster names cause routes to be rejected (RED-25871)

A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or less.

Cluster CR (REC) errors are not reported after invalid updates (RED-25542)

A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

An unreachable cluster has status running (RED-32805)

When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

Readiness probe incorrect on failures (RED-39300)

STS Readiness probe does not mark a node as "not ready" when running rladmin status on node failure.

Role missing on replica sets (RED-39002)

The redis-enterprise-operator role is missing permission on replica sets.

Private registries are not supported on OpenShift 3.11 (RED-38579)

OpenShift 3.11 does not support DockerHub private registries. This is a known OpenShift issue.

Internal DNS and Kubernetes DNS may have conflicts (RED-37462)

DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

5.4.10 negatively impacts 5.4.6 (RED-37233)

Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

Node CPU usage is reported instead of pod CPU usage (RED-36884)

In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

Clusters must be named "rec" in OLM-based deployments (RED-39825)

In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) are bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED-47254)

When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

Deleting an OpenShift project with an REC deployed may hang (RED-47192)

When a REC cluster is deployed in a project (namespace) and has REDB resources, the
REDB resources must be deleted first before the REC can be deleted. As such, until the
REDB resources are deleted, the project deletion will hang. The fix is to delete the
REDB resources first and the REC second. Afterwards, you may delete the project.

REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED-51921)

In K8s 1.15 or older, the PVC labels come from the match selectors and not the
PVC templates. As such, these versions cannot support PVC labels. If this feature
is required, the only fix is to upgrade the K8s cluster to a newer version.

Hashicorp Vault integration - no support for Gesher (RED-55080)

There is no workaround at this time

REC might report error states on initial startup (RED-61707)

There is no workaround at this time except to ignore the errors.

PVC size issues when using decimal value in spec (RED-62132)

The workaround for this issue is to make sure you use integer values for the PVC size.

Following old revision of quick start guide causes issues creating an REDB due to unrecognized memory field name

The workaround is to use the newer (current) revision of the quick start document available online.

Compatibility Notes

See Supported Kubernetes distributions for the full list of supported distributions.

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v6.2.8-11

11 Jan 20:45
@bascar bascar
v6.2.8-11
e7ee0a8
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v6.2.8-11

Overview

The Redis Enterprise K8s 6.2.8-11 release provides support for the Redis Enterprise Software release 6.2.8 and includes several enhancements and bug fixes.

The key new features, bug fixes, and known limitations are described below.

Images

This release includes the following container images:

  • Redis Enterprise: redislabs/redis:6.2.8-53 or redislabs/redis:6.2.8-53.rhel7-openshift
  • Operator: redislabs/operator:6.2.8-11
  • Services Rigger: redislabs/k8s-controller:6.2.8-11 or redislabs/services-manager:6.2.8-11 (on the Red Hat registry)

Feature improvements

  • Istio gateway/virtual services are supported as ingress controllers. Note that for Active-Active databases, the Redis operator doesn't create ingress rules, and those should be manually configured. The version of Istio that was tested is Istio 1.12.0 (RED-64020)
  • Support for K8s 1.22 (AKS, kOps, GKE) and OpenShift 4.9 (RED-64016)
  • Support for pod termination grace period customization in the REC (advanced use case) (RED-67217)
  • Improved security granularity of SCC configuration steps in documentation (RED-67321)
  • Changed behavior when two databases with the same name are created on the cluster. The operator avoids creating a service for them to prevent possible corruption (RED-64535)
  • Improved documentation about changing cluster credentials when using Hashicorp Vault (RED-65304)

Fixed bugs

  • Upgraded Go dependencies marked as vulnerable (RED-63858, RED-68651)
  • Avoided flooding operator logs with deprecation notices on K8s 1.21 (RED-67544)
  • Fixed log collector utility issues running on Microsoft Windows (RED-67682)
  • Fixed excessive updates to the RS cluster when using Windows line endings for TLS certificates (RED-67874)

Known limitations

Upgrading with the bundle using kubectl apply -f fails (RED-69515)

Upgrading with the bundle using kubectl apply -f fails, giving the following error:

The CustomResourceDefinition "redisenterpriseclusters.app.redislabs.com" is invalid: spec.preserveUnknownFields: Invalid value: true: must be false in order to use defaults in the schema

Workaround: Before the upgrade, set the 'spec.preserveUnknownFields` value to false on the REC custom resource. You can use the following command:

kubectl patch crd redisenterpriseclusters.app.redislabs.com -p $'spec:\n preserveUnknownFields: false'

Long cluster names cause routes to be rejected (RED-25871)

A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or less.

Cluster CR (REC) errors are not reported after invalid updates (RED-25542)

A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

An unreachable cluster has status running (RED-32805)

When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

Readiness probe incorrect on failures (RED-39300)

STS Readiness probe does not mark a node as "not ready" when running rladmin status on node failure.

Role missing on replica sets (RED-39002)

The redis-enterprise-operator role is missing permission on replica sets.

Private registries are not supported on OpenShift 3.11 (RED-38579)

OpenShift 3.11 does not support DockerHub private registries. This is a known OpenShift issue.

Internal DNS and Kubernetes DNS may have conflicts (RED-37462)

DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

5.4.10 negatively impacts 5.4.6 (RED-37233)

Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

Node CPU usage is reported instead of pod CPU usage (RED-36884)

In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

Clusters must be named "rec" in OLM-based deployments (RED-39825)

In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) are bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED-47254)

When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

Deleting an OpenShift project with an REC deployed may hang (RED-47192)

When a REC cluster is deployed in a project (namespace) and has REDB resources, the
REDB resources must be deleted first before the REC can be deleted. As such, until the
REDB resources are deleted, the project deletion will hang. The fix is to delete the
REDB resources first and the REC second. Afterwards, you may delete the project.

REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED-51921)

In K8s 1.15 or older, the PVC labels come from the match selectors and not the
PVC templates. As such, these versions cannot support PVC labels. If this feature
is required, the only fix is to upgrade the K8s cluster to a newer version.

Hashicorp Vault integration - no support for Gesher (RED-55080)

There is no workaround at this time

REC might report error states on initial startup (RED-61707)

There is no workaround at this time except to ignore the errors.

PVC size issues when using decimal value in spec (RED-62132)

The workaround for this issue is to make sure you use integer values for the PVC size.

Following old revision of quick start guide causes issues creating an REDB due to unrecognized memory field name

The workaround is to use the newer (current) revision of the quick start document available online.

Compatibility Notes

See Supported Kubernetes distributions for the full list of supported distributions.

Now supported

This release adds support for the following:

  • K8s 1.22 for GKE, AKS, and kOps
  • OpenShift 4.9 (uses K8s 1.22)

Deprecated

  • Rancher 2.5/K8s 1.17 support is deprecated

No longer supported

This release removes support for the following:

  • Rancher 2.4 (previously deprecated)
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v6.2.8-2

06 Nov 04:33
@amiramm amiramm
v6.2.8-2
9de106c
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v6.2.8-2

Overview

The Redis Enterprise K8s v6.2.8-2 release provides support for the Redis Enterprise Software release 6.2.8 and includes several enhancements and bug fixes.

The key new features, bug fixes, and known limitations are described below.

Images

This release includes the following container images:

The following are the images and tags for this release:

Component k8s Openshift
Redis Enterprise redislabs/redis:6.2.8-41 redislabs/redis:6.2.8-41.rhel7-openshift
Operator redislabs/operator:6.2.8-2 redislabs/operator:6.2.8-2
Services Rigger redislabs/k8s-controller:6.2.8-2 redislabs/services-manager:6.2.8-2

New features

  • Certificate management capabilities through the Redis Enterprise cluster API (RED-61176)

Feature improvements

  • Support for managing database ports through the REDB API (RED-48286)
  • Use explicit object instead of wildcard for roles (RED-38013)
  • Advanced use case support for custom attributes for REC stateful set and rigger pods (RED-56502, RED-62550, RED-63426)
  • Services-rigger/K8s-controller image changed to ubi-minimal lightweight base image (RED-61866)
  • Support for the Redis upgrade policy setting through the REC API (RED-63000)

Fixed bugs

  • Fixed issue of log rotation not working on OpenShift (RED-64726)

Known limitations

Hashicorp Vault integration - no support for Gesher (RED-55080)

There is no workaround at this time

Long cluster names cause routes to be rejected (RED-25871)

A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or fewer.

Cluster CR (REC) errors are not reported after invalid updates (RED-25542)

A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

An unreachable cluster has status running (RED-32805)

When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

Readiness probe incorrect on failures (RED-39300)

STS Readiness probe does not mark a node as "not ready" when running rladmin status on the node fails.

Role missing on replica sets (RED-39002)

The redis-enterprise-operator role is missing permission on replica sets.

Private registries are not supported on OpenShift 3.11 (RED-38579)

Openshift 3.11 does not support DockerHub private registries. This is a known OpenShift issue.

Internal DNS and Kubernetes DNS may have conflicts (RED-37462)

DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

5.4.10 negatively impacts 5.4.6 (RED-37233)

Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

Node CPU usage is reported instead of pod CPU usage (RED-36884)

In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

Clusters must be named "rec" in OLM-based deployments (RED-39825)

In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) is bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED-47254)

When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

Deleting an OpenShift project with a REC deployed may hang (RED-47192)

When a REC cluster is deployed in a project (namespace) and has REDB resources, the
REDB resources must be deleted first before the REC can be deleted. As such, until the
REDB resources are deleted, the project deletion will hang. The fix is to delete the
REDB resources first and the REC second. Afterward, you may delete the project.

REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED-51921)

In K8s 1.15 or older, the PVC labels come from the match selectors and not the
PVC templates. As such, these versions can not support PVC labels. If this feature
is required, the only fix is to upgrade the K8s cluster to a newer version.

REC might report error states on initial startup (RED-61707)

There is not workaround at this time except to ignore the errors.

PVC size issues when using decimal value in spec (RED-62132)

The workaround for this issue is to make sure you use integer values for the PVC size.

Compatibility Notes

No longer supported

  • kOps K8s versions 1.16 and 1.17 (previously deprecated) are no longer supported
  • AKS K8s version 1.18 (previously deprecated) is no longer supported
  • GKE K8s version 1.18 (previously deprecated) is no longer supported
  • VMWare TKGI version 1.7 (K8s 1.16) (previously deprecated) is no longer supported
  • VMWare TKGI version 1.8 (K8s 1.17) (previously deprecated) is no longer supported

Deprecation notice

  • Rancher version 2.4 support is deprecated

Supported Distributions

Each release of the Redis Enterprise operator is thoroughly tested against a set of Kubernetes distributions. The table below lists the current release's support status for each distribution.

  • "supported" indicates this distribution is supported for this release.
  • "deprecated" indicates this distribution is supported for this release but will be dropped in a future release.
  • "no longer supported" indicates support has been dropped for this distribution.
  • Any distribution not listed below is not supported for production workloads.
Distribution Support Status
Openshift 3.11 (K8s 1.11) deprecated
OpenShift 4.5 (K8s 1.18) supported
OpenShift 4.6 (K8s 1.19) supported
OpenShift 4.7 (K8s 1.20) supported
OpenShift 4.8 (K8s 1.21) supported
KOPS vanilla 1.18 supported
KOPS vanilla 1.19 supported
KOPS vanilla 1.20 supported
KOPS vanilla 1.21 supported
GKE 1.19 supported
GKE 1.20 supported
GKE 1.21 supported
Rancher 2.4 (K8s 1.17) deprecated
Rancher 2.4 (K8s 1.18) deprecated
Rancher 2.5 (K8s 1.17) supported
Rancher 2.5 (K8s 1.18) supported
Rancher 2.5 (K8s 1.19) supported
Rancher 2.5 (K8s 1.20) supported
VMWare TKGI** 1.10 (K8s 1.19) supported
AKS 1.19 supported
AKS 1.21 supported
EKS 1.18 supported
EKS 1.21 supported

* No longer supported by the vendor
** Tanzu Kubernetes Grid Integrated Edition

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v6.2.4-1

14 Sep 18:32
@amiramm amiramm
v6.2.4-1
80ac697
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v6.2.4-1

Overview

The Redis Enterprise K8s v6.2.4-1 release provides support for the Redis Enterprise Software release 6.2.4 and includes several enhancements and bug fixes.

The key new features, bug fixes, and known limitations are described below.

Images

This release includes the following container images:

The following are the images and tags for this release:

Component k8s Openshift
Redis Enterprise redislabs/redis:6.2.4-55 redislabs/redis:6.2.4-55.rhel7-openshift
Operator redislabs/operator:6.2.4-1 redislabs/operator:6.2.4-1
Services Rigger redislabs/k8s-controller:6.2.4-1 redislabs/k8s-controller:6.2.4-1

New features

  • Internode encryption configuration through K8s custom resources (RED-59699, RED-60318)

Feature improvements

  • Support for addition attribute in REDB secret containing comma-separated list of service names (RED-48469)
  • Support OpenShift 4.8 (K8s 1.21) (RED-59424)
  • Support K8s 1.21 - GKE (RED-59048)
  • Support K8s 1.21 - kOps (RED-59047)
  • Support K8s 1.19-1.21 - EKS (RED-60287)
  • Support K8s 1.19, 1.20 - AKS (RED-59050)
  • Support K8s 1.20 - Rancher (RED-59049)

Fixed bugs

  • Fixed issue with Redis Enterprise pods not recovering from container fails (RED-53042)
  • Fixed rare problem of Redis Enterprise pod restarting too early while statefulSet was rolling out, causing quorum loss (RED-53042)
  • Improved Github public documentation around using the admission controller with multiple namespaces (RED-59915)
  • Fixed integration issues with HashiCorp Vault enterprise namespaces and custom auth paths (RED-61273)

Known limitations

Hashicorp Vault integration - no support for Gesher (RED-55080)

There is no workaround at this time

Long cluster names cause routes to be rejected (RED-25871)

A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or fewer.

Cluster CR (REC) errors are not reported after invalid updates (RED-25542)

A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

An unreachable cluster has status running (RED-32805)

When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

Readiness probe incorrect on failures (RED-39300)

STS Readiness probe does not mark a node as "not ready" when running rladmin status on the node fails.

Role missing on replica sets (RED-39002)

The redis-enterprise-operator role is missing permission on replica sets.

Private registries are not supported on OpenShift 3.11 (RED-38579)

Openshift 3.11 does not support DockerHub private registries. This is a known OpenShift issue.

Internal DNS and Kubernetes DNS may have conflicts (RED-37462)

DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

5.4.10 negatively impacts 5.4.6 (RED-37233)

Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

Node CPU usage is reported instead of pod CPU usage (RED-36884)

In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

Clusters must be named "rec" in OLM-based deployments (RED-39825)

In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) is bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED-47254)

When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

Deleting an OpenShift project with a REC deployed may hang (RED-47192)

When a REC cluster is deployed in a project (namespace) and has REDB resources, the
REDB resources must be deleted first before the REC can be deleted. As such, until the
REDB resources are deleted, the project deletion will hang. The fix is to delete the
REDB resources first and the REC second. Afterward, you may delete the project.

REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED-51921)

In K8s 1.15 or older, the PVC labels come from the match selectors and not the
PVC templates. As such, these versions can not support PVC labels. If this feature
is required, the only fix is to upgrade the K8s cluster to a newer version.

REC might report error states on initial startup (RED-61707)

There is not workaround at this time except to ignore the errors.

PVC size issues when using decimal value in spec (RED-62132)

The workaround for this issue is to make sure you use integer values for the PVC size.

Compatibility Notes

See [Supported Kubernetes distributions]({{<relref "/platforms/kubernetes/reference/supported_k8s_distributions.md">}}) for the full list of supported distributions.

Now supported

  • OpenShift 4.8
  • GKE K8s version 1.21
  • kOps K8s version 1.21
  • EKS K8s versions 1.19-1.21
  • AKS K8s versions 1.19-1.20
  • Rancher K8s version 1.20

No longer supported

  • GKE K8s version 1.17 (previously deprecated)
  • kOps K8s version 1.15 (previously deprecated)

Deprecation notice

  • kOps 1.16 and 1.17 are deprecated
  • VMWare TKGIE 1.7 (K8s 1.16), VMWare TKGIE 1.8 (K8s 1.17) are deprecated (no longer supported by VMWare)
    • Openshift 3.11 (K8s 1.11) is now deprecated. Redis will continue to support existing deployments for the lifetime of Openshift 3.11, but new deployments are strongly discouraged.

Supported Distributions

Each release of the Redis Enterprise operator is thoroughly tested against a set of Kubernetes distributions. The table below lists the current release's support status for each distribution.

  • "supported" indicates this distribution is supported for this release.
  • "deprecated" indicates this distribution is supported for this release, but will be dropped in a future release.
  • "no longer supported" indicates support has been dropped for this distribution.
  • Any distribution not listed below is not supported for production workloads.
Distribution Support Status
Openshift 3.11 (K8s 1.11) deprecated
OpenShift 4.6 (K8s 1.19) supported
OpenShift 4.7 (K8s 1.20) supported
OpenShift 4.8 (K8s 1.21) supported
KOPS vanilla 1.16 deprecated
KOPS vanilla 1.17 deprecated
KOPS vanilla 1.18 supported
KOPS vanilla 1.19 supported
KOPS vanilla 1.20 supported
KOPS vanilla 1.21 supported
GKE 1.18 supported
GKE 1.19 supported
GKE 1.20 supported
GKE 1.21 supported
Rancher 2.4 (K8s 1.17) supported
Rancher 2.4 (K8s 1.18) supported
Rancher 2.5 (K8s 1.17) supported
Rancher 2.5 (K8s 1.18) supported
Rancher 2.5 (K8s 1.19) supported
Rancher 2.5 (K8s 1.20) supported
VMWare TKGIE* 1.7 (K8s 1.16) deprecated
VMWare TKGIE* 1.8 (K8s 1.17) deprecated
VMWare TKGIE** 1.10 (K8s 1.19) supported
AKS 1.18 supported
AKS 1.19 supported
AKS 1.20 supported
EKS 1.18 supported
EKS 1.19 supported
EKS 1.20 supported
EKS 1.21 supported

* No longer supported by VMware
** Tanzu Kubernetes Grid Integrated Edition

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v6.0.20-12

12 Jul 16:25
@amiramm amiramm
v6.0.20-12
4108650
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v6.0.20-12

Overview

The Redis Enterprise K8s 6.0.20-12 release is a major release on top of 6.0.20-4 providing support for the Redis Enterprise Software release 6.0.20-97 and includes several enhancements and bug fixes.

This release of the operator provides:

  • New features
  • Various bug fixes

Images

This release includes the following container images:

  • Redis Enterprise: redislabs/redis:6.0.20-97 or redislabs/redis:6.0.20-97.rhel7-openshift
  • Operator and Bootstrapper: redislabs/operator:6.0.20-12
  • Services Rigger: redislabs/k8s-controller:6.0.20-12 or redislabs/services-manager:6.0.20-12 (on the Red Hat registry)

New features

  • EKS support
  • Feature parity for Openshift OLM; added support for:
    • REDB
    • admission
    • Hashicorp Vault integration
  • Hashicorp Vault integration is now GA
  • Moved Operator environment variables to configmap

Important fixes

  • Admission controller deployment combined with operator deployment to simplify deployment (RED-52701)
  • Additional verbosity in the kubectl get redb command output (RED-55042)
  • Support for Redis Enterprise license storage within secrets; Vault and K8s secrets (RED-55587)
  • Support for manual procedure to replace the REC credentials (RED-56529, RED-56530)
  • Fixed cluster recovery issue - recovery process was not starting (RED-55500)
  • When a pod status is CrashLoopBackOff and we run the cluster recovery, the process will not complete (RED-33713)
  • Master pod is not always labeled in Rancher (fixed in 6.0.8 but was not documented) (RED-42896)

Known limitations

Hashicorp Vault integration - no support for Gesher (RED-55080)

There is no workaround at this time

Nodes down indefinitely after the redis-enterprise-node container of a REC pod is restarted (53042)

In some cases where the Redis Enterprise Cluster container in the Redis Enterprise Cluster(REC) pod is restarted, the REC node remains down. Workaround: restart the pod, while ensuring the majority of REC nodes are available.

CrashLoopBackOff causes cluster recovery to be incomplete (RED33713)

When a pod's status is CrashLoopBackOff and we run the cluster recovery, the process will not complete. The workaround is to delete the crashing pods manually. The recovery process will then continue.

Long cluster names cause routes to be rejected (RED25871)

A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or fewer.

Cluster CR (REC) errors are not reported after invalid updates (RED25542)

A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

An unreachable cluster has status running (RED32805)

When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

Readiness probe incorrect on failures (RED39300)

STS Readiness probe does not mark a node as "not ready" when running rladmin status on the node fails.

Role missing on replica sets (RED39002)

The redis-enterprise-operator role is missing permission on replica sets.

Private registries are not supported on OpenShift 3.11 (RED38579)

Openshift 3.11 does not support DockerHub private registries. This is a known OpenShift issue.

Internal DNS and Kubernetes DNS may have conflicts (RED37462)

DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

5.4.10 negatively impacts 5.4.6 (RED37233)

Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

Node CPU usage is reported instead of pod CPU usage (RED36884)

In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

Clusters must be named "rec" in OLM-based deployments (RED39825)

In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) is bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

Master pod label in Rancher (RED42896)

The master pod is not always labeled in Rancher.

REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED47254)

When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

Deleting an OpenShift project with an REC deployed may hang (RED47192)

When a REC cluster is deployed in a project (namespace) and has REDB resources, the
REDB resources must be deleted first before the REC can be deleted. As such, until the
REDB resources are deleted, the project deletion will hang. The fix is to delete the
REDB resources first and the REC second. Afterwards, you may delete the project.

REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED51921)

In K8s 1.15 or older, the PVC labels come from the match selectors and not the
PVC templates. As such, these versions can not support PVC labels. If this feature
is required, the only fix is to upgrade the K8s cluster to a newer version.

Compatibility Notes

  • EKS is now supported (K8s 1.18)
  • OpenShift 4.4 (previously deprecated) is no longer supported
  • GKE K8s versions 1.15, 1.16 (previously deprecated) is no longer supported
  • VMWare TKGIE 1.10 (K8s 1.19) is now supported

Deprecation notice

  • GKE K8s version 1.17 (no longer supported by Google) is deprecated
  • kOps 1.15 is deprecated
  • VMWare TKGIE 1.7 (K8s 1.16), VMWare TKGIE 1.8 (K8s 1.17) are deprecated (no longer supported by VMWare)
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v6.0.20-4

10 May 14:38
@amiramm amiramm
v6.0.20-4
6ee29e2
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v6.0.20-4

Overview

The Redis Enterprise K8s 6.0.20-4 release is a major release on top of 6.0.8-20 providing support for the Redis Enterprise Software release 6.0.20-69 and includes several enhancements and bug fixes.

This release of the operator provides:

  • New features
  • Various bug fixes

Images

This release includes the following container images:

  • Redis Enterprise: redislabs/redis:6.0.20-69 or redislabs/redis:6.0.20-69.rhel7-openshift
  • Operator and Bootstrapper: redislabs/operator:6.0.20-4
  • Services Rigger: redislabs/k8s-controller:6.0.20-4 or redislabs/services-manager:6.0.20-4 (on the Red Hat registry)

New features

  • Support for Openshift 4.7
  • Support for Kubernetes 1.20

New preview features

  • Hashicorp Vault integration - REC secret
  • Hashicorp Vault integration - REDB secrets

Important fixes

  • Fixed upgrade issue with custom container repositories specifying port numbers (RED-53192)
  • REDB controller no longer performs reconciliation until Redis Enterprise software version complies with operator (RED-53194)
  • Removed unused node.js package from Services Rigger image (RED-53536)
  • Fixed operator crash on change of uiServiceType (RED-54621)
  • Avoid excessive logging within RS pod (envoy_access.log) (RED-55525)

Known limitations

OpenShift 4.7 - v6.0.20-4 cannot be deployed by OLM

6.0.20-4 does not appear in OLM. Workaround - deploy manually. A future maintenance release will address this.

Hashicorp Vault integration - no support for Gesher (RED-55080)

There is no workaround at this time

Nodes down indefinitely after the redis-enterprise-node container of a REC pod is restarted (53042)

In some cases where the Redis Enterprise Cluster container in the Redis Enterprise Cluster(REC) pod is restarted, the REC node remains down. Workaround: restart the pod, while ensuring the majority of REC nodes are available.

CrashLoopBackOff causes cluster recovery to be incomplete (RED33713)

When a pod's status is CrashLoopBackOff and we run the cluster recovery, the process will not complete. The workaround is to delete the crashing pods manually. The recovery process will then continue.

Long cluster names cause routes to be rejected (RED25871)

A cluster name longer than 20 characters will result in a rejected route configuration because the host part of the domain name will exceed 63 characters. The workaround is to limit cluster name to 20 characters or fewer.

Cluster CR (REC) errors are not reported after invalid updates (RED25542)

A cluster CR specification error is not reported if two or more invalid CR resources are updated in sequence.

An unreachable cluster has status running (RED32805)

When a cluster is in an unreachable state, the state is still running instead of being reported as an error.

Readiness probe incorrect on failures (RED39300)

STS Readiness probe does not mark a node as "not ready" when running rladmin status on the node fails.

Role missing on replica sets (RED39002)

The redis-enterprise-operator role is missing permission on replica sets.

Private registries are not supported on OpenShift 3.11 (RED38579)

Openshift 3.11 does not support DockerHub private registries. This is a known OpenShift issue.

Internal DNS and Kubernetes DNS may have conflicts (RED37462)

DNS conflicts are possible between the cluster mdns_server and the K8s DNS. This only impacts DNS resolution from within cluster nodes for Kubernetes DNS names.

5.4.10 negatively impacts 5.4.6 (RED37233)

Kubernetes-based 5.4.10 deployments seem to negatively impact existing 5.4.6 deployments that share a Kubernetes cluster.

Node CPU usage is reported instead of pod CPU usage (RED36884)

In Kubernetes, the node CPU usage we report on is the usage of the Kubernetes worker node hosting the REC pod.

Clusters must be named "rec" in OLM-based deployments (RED39825)

In OLM-deployed operators, the deployment of the cluster will fail if the name is not "rec". When the operator is deployed via the OLM, the security context constraints (scc) is bound to a specific service account name (i.e., "rec"). The workaround is to name the cluster "rec".

Master pod label in Rancher (RED42896)

The master pod is not always labeled in Rancher.

REC clusters fail to start on Kubernetes clusters with unsynchronized clocks (RED47254)

When REC clusters are deployed on Kubernetes clusters with unsynchronized clocks, the REC cluster does not start correctly. The fix is to use NTP to synchronize the underlying K8s nodes.

Deleting an OpenShift project with an REC deployed may hang (RED47192)

When a REC cluster is deployed in a project (namespace) and has REDB resources, the
REDB resources must be deleted first before the REC can be deleted. As such, until the
REDB resources are deleted, the project deletion will hang. The fix is to delete the
REDB resources first and the REC second. Afterwards, you may delete the project.

REC extraLabels are not applied to PVCs on K8s versions 1.15 or older (RED51921)

In K8s 1.15 or older, the PVC labels come from the match selectors and not the
PVC templates. As such, these versions can not support PVC labels. If this feature
is required, the only fix is to upgrade the K8s cluster to a newer version.

Compatibility Notes

  • OpenShift 4.7 and Rancher/kOps 1.20 are now supported
  • OpenShift 4.1, 4.2, 4.3 (previously deprecated) are no longer supported
  • GKE K8s version 1.14 (previously deprecated) is no longer supported
  • kOps (upstream K8s) 1.13, 1.14 (previously deprecated) are no longer supported

Deprecation notice

  • OpenShift 4.4 (no longer supported by Red Hat) is deprecated
  • GKE K8s versions 1.15, 1.16 (no longer supported by Google) are deprecated
  • kOps (upstream K8s) 1.15 is deprecated
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