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Chapter 1. Release notes

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1.1. Logging 5.9

Note

Logging is provided as an installable component, with a distinct release cycle from the core OpenShift Container Platform. The Red Hat OpenShift Container Platform Life Cycle Policy outlines release compatibility.

Note

The stable channel only provides updates to the most recent release of logging. To continue receiving updates for prior releases, you must change your subscription channel to stable-x.y, where x.y represents the major and minor version of logging you have installed. For example, stable-5.7.

1.1.1. Logging 5.9.6

This release includes OpenShift Logging Bug Fix Release 5.9.6.

1.1.1.1. Bug fixes

  • Before this update, the collector deployment ignored secret changes, causing receivers to reject logs. With this update, the system rolls out a new pod when there is a change in the secret value, ensuring that the collector reloads the updated secrets. (LOG-5525)
  • Before this update, the Vector could not correctly parse field values that included a single dollar sign ($). With this update, field values with a single dollar sign are automatically changed to two dollar signs ($$), ensuring proper parsing by the Vector. (LOG-5602)
  • Before this update, the drop filter could not handle non-string values (e.g., .responseStatus.code: 403). With this update, the drop filter now works properly with these values. (LOG-5815)
  • Before this update, the collector used the default settings to collect audit logs, without handling the backload from output receivers. With this update, the process for collecting audit logs has been improved to better manage file handling and log reading efficiency. (LOG-5866)
  • Before this update, the must-gather tool failed on clusters with non-AMD64 architectures such as Azure Resource Manager (ARM) or PowerPC. With this update, the tool now detects the cluster architecture at runtime and uses architecture-independent paths and dependencies. The detection allows must-gather to run smoothly on platforms like ARM and PowerPC. (LOG-5997)
  • Before this update, the log level was set using a mix of structured and unstructured keywords that were unclear. With this update, the log level follows a clear, documented order, starting with structured keywords. (LOG-6016)
  • Before this update, multiple unnamed pipelines writing to the default output in the ClusterLogForwarder caused a validation error due to duplicate auto-generated names. With this update, the pipeline names are now generated without duplicates. (LOG-6033)
  • Before this update, the collector pods did not have the PreferredScheduling annotation. With this update, the PreferredScheduling annotation is added to the collector daemonset. (LOG-6023)

1.1.1.2. CVEs

1.1.2. Logging 5.9.5

This release includes OpenShift Logging Bug Fix Release 5.9.5

1.1.2.1. Bug Fixes

  • Before this update, duplicate conditions in the LokiStack resource status led to invalid metrics from the Loki Operator. With this update, the Operator removes duplicate conditions from the status. (LOG-5855)
  • Before this update, the Loki Operator did not trigger alerts when it dropped log events due to validation failures. With this update, the Loki Operator includes a new alert definition that triggers an alert if Loki drops log events due to validation failures. (LOG-5895)
  • Before this update, the Loki Operator overwrote user annotations on the LokiStack Route resource, causing customizations to drop. With this update, the Loki Operator no longer overwrites Route annotations, fixing the issue. (LOG-5945)

1.1.2.2. CVEs

None.

1.1.3. Logging 5.9.4

This release includes OpenShift Logging Bug Fix Release 5.9.4

1.1.3.1. Bug Fixes

  • Before this update, an incorrectly formatted timeout configuration caused the OCP plugin to crash. With this update, a validation prevents the crash and informs the user about the incorrect configuration. (LOG-5373)
  • Before this update, workloads with labels containing - caused an error in the collector when normalizing log entries. With this update, the configuration change ensures the collector uses the correct syntax. (LOG-5524)
  • Before this update, an issue prevented selecting pods that no longer existed, even if they had generated logs. With this update, this issue has been fixed, allowing selection of such pods. (LOG-5697)
  • Before this update, the Loki Operator would crash if the CredentialRequest specification was registered in an environment without the cloud-credentials-operator. With this update, the CredentialRequest specification only registers in environments that are cloud-credentials-operator enabled. (LOG-5701)
  • Before this update, the Logging Operator watched and processed all config maps across the cluster. With this update, the dashboard controller only watches the config map for the logging dashboard. (LOG-5702)
  • Before this update, the ClusterLogForwarder introduced an extra space in the message payload which did not follow the RFC3164 specification. With this update, the extra space has been removed, fixing the issue. (LOG-5707)
  • Before this update, removing the seeding for grafana-dashboard-cluster-logging as a part of (LOG-5308) broke new greenfield deployments without dashboards. With this update, the Logging Operator seeds the dashboard at the beginning and continues to update it for changes. (LOG-5747)
  • Before this update, LokiStack was missing a route for the Volume API causing the following error: 404 not found. With this update, LokiStack exposes the Volume API, resolving the issue. (LOG-5749)

1.1.3.2. CVEs

CVE-2024-24790

1.1.4. Logging 5.9.3

This release includes OpenShift Logging Bug Fix Release 5.9.3

1.1.4.1. Bug Fixes

  • Before this update, there was a delay in restarting Ingesters when configuring LokiStack, because the Loki Operator sets the write-ahead log replay_memory_ceiling to zero bytes for the 1x.demo size. With this update, the minimum value used for the replay_memory_ceiling has been increased to avoid delays. (LOG-5614)
  • Before this update, monitoring the Vector collector output buffer state was not possible. With this update, monitoring and alerting the Vector collector output buffer size is possible that improves observability capabilities and helps keep the system running optimally. (LOG-5586)

1.1.4.2. CVEs

1.1.5. Logging 5.9.2

This release includes OpenShift Logging Bug Fix Release 5.9.2

1.1.5.1. Bug Fixes

  • Before this update, changes to the Logging Operator caused an error due to an incorrect configuration in the ClusterLogForwarder CR. As a result, upgrades to logging deleted the daemonset collector. With this update, the Logging Operator re-creates collector daemonsets except when a Not authorized to collect error occurs. (LOG-4910)
  • Before this update, the rotated infrastructure log files were sent to the application index in some scenarios due to an incorrect configuration in the Vector log collector. With this update, the Vector log collector configuration avoids collecting any rotated infrastructure log files. (LOG-5156)
  • Before this update, the Logging Operator did not monitor changes to the grafana-dashboard-cluster-logging config map. With this update, the Logging Operator monitors changes in the ConfigMap objects, ensuring the system stays synchronized and responds effectively to config map modifications. (LOG-5308)
  • Before this update, an issue in the metrics collection code of the Logging Operator caused it to report stale telemetry metrics. With this update, the Logging Operator does not report stale telemetry metrics. (LOG-5426)
  • Before this change, the Fluentd out_http plugin ignored the no_proxy environment variable. With this update, the Fluentd patches the HTTP#start method of ruby to honor the no_proxy environment variable. (LOG-5466)

1.1.5.2. CVEs

1.1.6. Logging 5.9.1

This release includes OpenShift Logging Bug Fix Release 5.9.1

1.1.6.1. Enhancements

  • Before this update, the Loki Operator configured Loki to use path-based style access for the Amazon Simple Storage Service (S3), which has been deprecated. With this update, the Loki Operator defaults to virtual-host style without users needing to change their configuration. (LOG-5401)
  • Before this update, the Loki Operator did not validate the Amazon Simple Storage Service (S3) endpoint used in the storage secret. With this update, the validation process ensures the S3 endpoint is a valid S3 URL, and the LokiStack status updates to indicate any invalid URLs. (LOG-5395)

1.1.6.2. Bug Fixes

  • Before this update, a bug in LogQL parsing left out some line filters from the query. With this update, the parsing now includes all the line filters while keeping the original query unchanged. (LOG-5268)
  • Before this update, a prune filter without a defined pruneFilterSpec would cause a segfault. With this update, there is a validation error if a prune filter is without a defined puneFilterSpec. (LOG-5322)
  • Before this update, a drop filter without a defined dropTestsSpec would cause a segfault. With this update, there is a validation error if a prune filter is without a defined puneFilterSpec. (LOG-5323)
  • Before this update, the Loki Operator did not validate the Amazon Simple Storage Service (S3) endpoint URL format used in the storage secret. With this update, the S3 endpoint URL goes through a validation step that reflects on the status of the LokiStack. (LOG-5397)
  • Before this update, poorly formatted timestamp fields in audit log records led to WARN messages in Red Hat OpenShift Logging Operator logs. With this update, a remap transformation ensures that the timestamp field is properly formatted. (LOG-4672)
  • Before this update, the error message thrown while validating a ClusterLogForwarder resource name and namespace did not correspond to the correct error. With this update, the system checks if a ClusterLogForwarder resource with the same name exists in the same namespace. If not, it corresponds to the correct error. (LOG-5062)
  • Before this update, the validation feature for output config required a TLS URL, even for services such as Amazon CloudWatch or Google Cloud Logging where a URL is not needed by design. With this update, the validation logic for services without URLs are improved, and the error message are more informative. (LOG-5307)
  • Before this update, defining an infrastructure input type did not exclude logging workloads from the collection. With this update, the collection excludes logging services to avoid feedback loops. (LOG-5309)

1.1.6.3. CVEs

No CVEs.

1.1.7. Logging 5.9.0

This release includes OpenShift Logging Bug Fix Release 5.9.0

1.1.7.1. Removal notice

The Logging 5.9 release does not contain an updated version of the OpenShift Elasticsearch Operator. Instances of OpenShift Elasticsearch Operator from prior logging releases, remain supported until the EOL of the logging release. As an alternative to using the OpenShift Elasticsearch Operator to manage the default log storage, you can use the Loki Operator. For more information on the Logging lifecycle dates, see Platform Agnostic Operators.

1.1.7.2. Deprecation notice

  • In Logging 5.9, Fluentd, and Kibana are deprecated and are planned to be removed in Logging 6.0, which is expected to be shipped alongside a future release of OpenShift Container Platform. Red Hat will provide critical and above CVE bug fixes and support for these components during the current release lifecycle, but these components will no longer receive feature enhancements. The Vector-based collector provided by the Red Hat OpenShift Logging Operator and LokiStack provided by the Loki Operator are the preferred Operators for log collection and storage. We encourage all users to adopt the Vector and Loki log stack, as this will be the stack that will be enhanced going forward.
  • In Logging 5.9, the Fields option for the Splunk output type was never implemented and is now deprecated. It will be removed in a future release.

1.1.7.3. Enhancements

1.1.7.3.1. Log Collection
  • This enhancement adds the ability to refine the process of log collection by using a workload’s metadata to drop or prune logs based on their content. Additionally, it allows the collection of infrastructure logs, such as journal or container logs, and audit logs, such as kube api or ovn logs, to only collect individual sources. (LOG-2155)
  • This enhancement introduces a new type of remote log receiver, the syslog receiver. You can configure it to expose a port over a network, allowing external systems to send syslog logs using compatible tools such as rsyslog. (LOG-3527)
  • With this update, the ClusterLogForwarder API now supports log forwarding to Azure Monitor Logs, giving users better monitoring abilities. This feature helps users to maintain optimal system performance and streamline the log analysis processes in Azure Monitor, which speeds up issue resolution and improves operational efficiency. (LOG-4605)
  • This enhancement improves collector resource utilization by deploying collectors as a deployment with two replicas. This occurs when the only input source defined in the ClusterLogForwarder custom resource (CR) is a receiver input instead of using a daemon set on all nodes. Additionally, collectors deployed in this manner do not mount the host file system. To use this enhancement, you need to annotate the ClusterLogForwarder CR with the logging.openshift.io/dev-preview-enable-collector-as-deployment annotation. (LOG-4779)
  • This enhancement introduces the capability for custom tenant configuration across all supported outputs, facilitating the organization of log records in a logical manner. However, it does not permit custom tenant configuration for logging managed storage. (LOG-4843)
  • With this update, the ClusterLogForwarder CR that specifies an application input with one or more infrastructure namespaces like default, openshift*, or kube*, now requires a service account with the collect-infrastructure-logs role. (LOG-4943)
  • This enhancement introduces the capability for tuning some output settings, such as compression, retry duration, and maximum payloads, to match the characteristics of the receiver. Additionally, this feature includes a delivery mode to allow administrators to choose between throughput and log durability. For example, the AtLeastOnce option configures minimal disk buffering of collected logs so that the collector can deliver those logs after a restart. (LOG-5026)
  • This enhancement adds three new Prometheus alerts, warning users about the deprecation of Elasticsearch, Fluentd, and Kibana. (LOG-5055)
1.1.7.3.2. Log Storage
  • This enhancement in LokiStack improves support for OTEL by using the new V13 object storage format and enabling automatic stream sharding by default. This also prepares the collector for future enhancements and configurations. (LOG-4538)
  • This enhancement introduces support for short-lived token workload identity federation with Azure and AWS log stores for STS enabled OpenShift Container Platform 4.14 and later clusters. Local storage requires the addition of a CredentialMode: static annotation under spec.storage.secret in the LokiStack CR. (LOG-4540)
  • With this update, the validation of the Azure storage secret is now extended to give early warning for certain error conditions. (LOG-4571)
  • With this update, Loki now adds upstream and downstream support for GCP workload identity federation mechanism. This allows authenticated and authorized access to the corresponding object storage services. (LOG-4754)

1.1.7.4. Bug Fixes

  • Before this update, the logging must-gather could not collect any logs on a FIPS-enabled cluster. With this update, a new oc client is available in cluster-logging-rhel9-operator, and must-gather works properly on FIPS clusters. (LOG-4403)
  • Before this update, the LokiStack ruler pods could not format the IPv6 pod IP in HTTP URLs used for cross-pod communication. This issue caused querying rules and alerts through the Prometheus-compatible API to fail. With this update, the LokiStack ruler pods encapsulate the IPv6 pod IP in square brackets, resolving the problem. Now, querying rules and alerts through the Prometheus-compatible API works just like in IPv4 environments. (LOG-4709)
  • Before this fix, the YAML content from the logging must-gather was exported in a single line, making it unreadable. With this update, the YAML white spaces are preserved, ensuring that the file is properly formatted. (LOG-4792)
  • Before this update, when the ClusterLogForwarder CR was enabled, the Red Hat OpenShift Logging Operator could run into a nil pointer exception when ClusterLogging.Spec.Collection was nil. With this update, the issue is now resolved in the Red Hat OpenShift Logging Operator. (LOG-5006)
  • Before this update, in specific corner cases, replacing the ClusterLogForwarder CR status field caused the resourceVersion to constantly update due to changing timestamps in Status conditions. This condition led to an infinite reconciliation loop. With this update, all status conditions synchronize, so that timestamps remain unchanged if conditions stay the same. (LOG-5007)
  • Before this update, there was an internal buffering behavior to drop_newest to address high memory consumption by the collector resulting in significant log loss. With this update, the behavior reverts to using the collector defaults. (LOG-5123)
  • Before this update, the Loki Operator ServiceMonitor in the openshift-operators-redhat namespace used static token and CA files for authentication, causing errors in the Prometheus Operator in the User Workload Monitoring spec on the ServiceMonitor configuration. With this update, the Loki Operator ServiceMonitor in openshift-operators-redhat namespace now references a service account token secret by a LocalReference object. This approach allows the User Workload Monitoring spec in the Prometheus Operator to handle the Loki Operator ServiceMonitor successfully, enabling Prometheus to scrape the Loki Operator metrics. (LOG-5165)
  • Before this update, the configuration of the Loki Operator ServiceMonitor could match many Kubernetes services, resulting in the Loki Operator metrics being collected multiple times. With this update, the configuration of ServiceMonitor now only matches the dedicated metrics service. (LOG-5212)

1.1.7.5. Known Issues

None.

1.1.7.6. CVEs

1.2. Logging 5.8

Note

Logging is provided as an installable component, with a distinct release cycle from the core OpenShift Container Platform. The Red Hat OpenShift Container Platform Life Cycle Policy outlines release compatibility.

Note

The stable channel only provides updates to the most recent release of logging. To continue receiving updates for prior releases, you must change your subscription channel to stable-x.y, where x.y represents the major and minor version of logging you have installed. For example, stable-5.7.

1.2.1. Logging 5.8.12

This release includes OpenShift Logging Bug Fix Release 5.8.12 and OpenShift Logging Bug Fix Release 5.8.12.

1.2.1.1. Bug fixes

  • Before this update, the collector used internal buffering with the drop_newest setting to reduce high memory usage, which caused significant log loss. With this update, the collector goes back to its default behavior, where sink<>.buffer is not customized. (LOG-6026)

1.2.1.2. CVEs

1.2.2. Logging 5.8.11

This release includes OpenShift Logging Bug Fix Release 5.8.11 and OpenShift Logging Bug Fix Release 5.8.11.

1.2.2.1. Bug fixes

  • Before this update, the TLS section was added without verifying the broker URL schema, leading to SSL connection errors if the URLs did not start with tls. With this update, the TLS section is added only if broker URLs start with tls, preventing SSL connection errors. (LOG-5139)
  • Before this update, the Loki Operator did not trigger alerts when it dropped log events due to validation failures. With this update, the Loki Operator includes a new alert definition that triggers an alert if Loki drops log events due to validation failures. (LOG-5896)
  • Before this update, the 4.16 GA catalog did not include Elasticsearch Operator 5.8, preventing the installation of products like Service Mesh, Kiali, and Tracing. With this update, Elasticsearch Operator 5.8 is now available on 4.16, resolving the issue and providing support for Elasticsearch storage for these products only. (LOG-5911)
  • Before this update, duplicate conditions in the LokiStack resource status led to invalid metrics from the Loki Operator. With this update, the Operator removes duplicate conditions from the status. (LOG-5857)
  • Before this update, the Loki Operator overwrote user annotations on the LokiStack Route resource, causing customizations to drop. With this update, the Loki Operator no longer overwrites Route annotations, fixing the issue. (LOG-5946)

1.2.2.2. CVEs

1.2.3. Logging 5.8.10

This release includes OpenShift Logging Bug Fix Release 5.8.10 and OpenShift Logging Bug Fix Release 5.8.10.

1.2.3.1. Known issues

  • Before this update, when enabling retention, the Loki Operator produced an invalid configuration. As a result, Loki did not start properly. With this update, Loki pods can set retention. (LOG-5821)

1.2.3.2. Bug fixes

  • Before this update, the ClusterLogForwarder introduced an extra space in the message payload that did not follow the RFC3164 specification. With this update, the extra space has been removed, fixing the issue. (LOG-5647)

1.2.3.3. CVEs

1.2.4. Logging 5.8.9

This release includes OpenShift Logging Bug Fix Release 5.8.9 and OpenShift Logging Bug Fix Release 5.8.9.

1.2.4.1. Bug fixes

  • Before this update, an issue prevented selecting pods that no longer existed, even if they had generated logs. With this update, this issue has been fixed, allowing selection of such pods. (LOG-5698)
  • Before this update, LokiStack was missing a route for the Volume API, which caused the following error: 404 not found. With this update, LokiStack exposes the Volume API, resolving the issue. (LOG-5750)
  • Before this update, the Elasticsearch operator overwrote all service account annotations without considering ownership. As a result, the kube-controller-manager recreated service account secrets because it logged the link to the owning service account. With this update, the Elasticsearch operator merges annotations, resolving the issue. (LOG-5776)

1.2.4.2. CVEs

1.2.5. Logging 5.8.8

This release includes OpenShift Logging Bug Fix Release 5.8.8 and OpenShift Logging Bug Fix Release 5.8.8.

1.2.5.1. Bug fixes

  • Before this update, there was a delay in restarting Ingesters when configuring LokiStack, because the Loki Operator sets the write-ahead log replay_memory_ceiling to zero bytes for the 1x.demo size. With this update, the minimum value used for the replay_memory_ceiling has been increased to avoid delays. (LOG-5615)

1.2.5.2. CVEs

1.2.6. Logging 5.8.7

This release includes OpenShift Logging Bug Fix Release 5.8.7 Security Update and OpenShift Logging Bug Fix Release 5.8.7.

1.2.6.1. Bug fixes

  • Before this update, the elasticsearch-im-<type>-* pods failed if no <type> logs (audit, infrastructure, or application) were collected. With this update, the pods no longer fail when <type> logs are not collected. (LOG-4949)
  • Before this update, the validation feature for output config required an SSL/TLS URL, even for services such as Amazon CloudWatch or Google Cloud Logging where a URL is not needed by design. With this update, the validation logic for services without URLs are improved, and the error message is more informative. (LOG-5467)
  • Before this update, an issue in the metrics collection code of the Logging Operator caused it to report stale telemetry metrics. With this update, the Logging Operator does not report stale telemetry metrics. (LOG-5471)
  • Before this update, changes to the Logging Operator caused an error due to an incorrect configuration in the ClusterLogForwarder CR. As a result, upgrades to logging deleted the daemonset collector. With this update, the Logging Operator re-creates collector daemonsets except when a Not authorized to collect error occurs. (LOG-5514)

1.2.6.2. CVEs

1.2.7. Logging 5.8.6

This release includes OpenShift Logging Bug Fix Release 5.8.6 Security Update and OpenShift Logging Bug Fix Release 5.8.6.

1.2.7.1. Enhancements

  • Before this update, the Loki Operator did not validate the Amazon Simple Storage Service (S3) endpoint used in the storage secret. With this update, the validation process ensures the S3 endpoint is a valid S3 URL, and the LokiStack status updates to indicate any invalid URLs. (LOG-5392)
  • Before this update, the Loki Operator configured Loki to use path-based style access for the Amazon Simple Storage Service (S3), which has been deprecated. With this update, the Loki Operator defaults to virtual-host style without users needing to change their configuration. (LOG-5402)

1.2.7.2. Bug fixes

  • Before this update, the Elastisearch Operator ServiceMonitor in the openshift-operators-redhat namespace used static token and certificate authority (CA) files for authentication, causing errors in the Prometheus Operator in the User Workload Monitoring specification on the ServiceMonitor configuration. With this update, the Elastisearch Operator ServiceMonitor in the openshift-operators-redhat namespace now references a service account token secret by a LocalReference object. This approach allows the User Workload Monitoring specifications in the Prometheus Operator to handle the Elastisearch Operator ServiceMonitor successfully. This enables Prometheus to scrape the Elastisearch Operator metrics. (LOG-5164)
  • Before this update, the Loki Operator did not validate the Amazon Simple Storage Service (S3) endpoint URL format used in the storage secret. With this update, the S3 endpoint URL goes through a validation step that reflects on the status of the LokiStack. (LOG-5398)

1.2.7.3. CVEs

1.2.8. Logging 5.8.5

This release includes OpenShift Logging Bug Fix Release 5.8.5.

1.2.8.1. Bug fixes

  • Before this update, the configuration of the Loki Operator’s ServiceMonitor could match many Kubernetes services, resulting in the Loki Operator’s metrics being collected multiple times. With this update, the configuration of ServiceMonitor now only matches the dedicated metrics service. (LOG-5250)
  • Before this update, the Red Hat build pipeline did not use the existing build details in Loki builds and omitted information such as revision, branch, and version. With this update, the Red Hat build pipeline now adds these details to the Loki builds, fixing the issue. (LOG-5201)
  • Before this update, the Loki Operator checked if the pods were running to decide if the LokiStack was ready. With this update, it also checks if the pods are ready, so that the readiness of the LokiStack reflects the state of its components. (LOG-5171)
  • Before this update, running a query for log metrics caused an error in the histogram. With this update, the histogram toggle function and the chart are disabled and hidden because the histogram doesn’t work with log metrics. (LOG-5044)
  • Before this update, the Loki and Elasticsearch bundle had the wrong maxOpenShiftVersion, resulting in IncompatibleOperatorsInstalled alerts. With this update, including 4.16 as the maxOpenShiftVersion property in the bundle fixes the issue. (LOG-5272)
  • Before this update, the build pipeline did not include linker flags for the build date, causing Loki builds to show empty strings for buildDate and goVersion. With this update, adding the missing linker flags in the build pipeline fixes the issue. (LOG-5274)
  • Before this update, a bug in LogQL parsing left out some line filters from the query. With this update, the parsing now includes all the line filters while keeping the original query unchanged. (LOG-5270)
  • Before this update, the Loki Operator ServiceMonitor in the openshift-operators-redhat namespace used static token and CA files for authentication, causing errors in the Prometheus Operator in the User Workload Monitoring spec on the ServiceMonitor configuration. With this update, the Loki Operator ServiceMonitor in openshift-operators-redhat namespace now references a service account token secret by a LocalReference object. This approach allows the User Workload Monitoring spec in the Prometheus Operator to handle the Loki Operator ServiceMonitor successfully, enabling Prometheus to scrape the Loki Operator metrics. (LOG-5240)

1.2.8.2. CVEs

1.2.9. Logging 5.8.4

This release includes OpenShift Logging Bug Fix Release 5.8.4.

1.2.9.1. Bug fixes

  • Before this update, the developer console’s logs did not account for the current namespace, resulting in query rejection for users without cluster-wide log access. With this update, all supported OCP versions ensure correct namespace inclusion. (LOG-4905)
  • Before this update, the Cluster Logging Operator deployed ClusterRoles supporting LokiStack deployments only when the default log output was LokiStack. With this update, the roles are split into two groups: read and write. The write roles deploys based on the setting of the default log storage, just like all the roles used to do before. The read roles deploys based on whether the logging console plugin is active. (LOG-4987)
  • Before this update, multiple ClusterLogForwarders defining the same input receiver name had their service endlessly reconciled because of changing ownerReferences on one service. With this update, each receiver input will have its own service named with the convention of <CLF.Name>-<input.Name>. (LOG-5009)
  • Before this update, the ClusterLogForwarder did not report errors when forwarding logs to cloudwatch without a secret. With this update, the following error message appears when forwarding logs to cloudwatch without a secret: secret must be provided for cloudwatch output. (LOG-5021)
  • Before this update, the log_forwarder_input_info included application, infrastructure, and audit input metric points. With this update, http is also added as a metric point. (LOG-5043)

1.2.9.2. CVEs

1.2.10. Logging 5.8.3

This release includes Logging Bug Fix 5.8.3 and Logging Security Fix 5.8.3

1.2.10.1. Bug fixes

  • Before this update, when configured to read a custom S3 Certificate Authority the Loki Operator would not automatically update the configuration when the name of the ConfigMap or the contents changed. With this update, the Loki Operator is watching for changes to the ConfigMap and automatically updates the generated configuration. (LOG-4969)
  • Before this update, Loki outputs configured without a valid URL caused the collector pods to crash. With this update, outputs are subject to URL validation, resolving the issue. (LOG-4822)
  • Before this update the Cluster Logging Operator would generate collector configuration fields for outputs that did not specify a secret to use the service account bearer token. With this update, an output does not require authentication, resolving the issue. (LOG-4962)
  • Before this update, the tls.insecureSkipVerify field of an output was not set to a value of true without a secret defined. With this update, a secret is no longer required to set this value. (LOG-4963)
  • Before this update, output configurations allowed the combination of an insecure (HTTP) URL with TLS authentication. With this update, outputs configured for TLS authentication require a secure (HTTPS) URL. (LOG-4893)

1.2.10.2. CVEs

1.2.11. Logging 5.8.2

This release includes OpenShift Logging Bug Fix Release 5.8.2.

1.2.11.1. Bug fixes

  • Before this update, the LokiStack ruler pods would not format the IPv6 pod IP in HTTP URLs used for cross pod communication, causing querying rules and alerts through the Prometheus-compatible API to fail. With this update, the LokiStack ruler pods encapsulate the IPv6 pod IP in square brackets, resolving the issue. (LOG-4890)
  • Before this update, the developer console logs did not account for the current namespace, resulting in query rejection for users without cluster-wide log access. With this update, namespace inclusion has been corrected, resolving the issue. (LOG-4947)
  • Before this update, the logging view plugin of the OpenShift Container Platform web console did not allow for custom node placement and tolerations. With this update, defining custom node placements and tolerations has been added to the logging view plugin of the OpenShift Container Platform web console. (LOG-4912)

1.2.11.2. CVEs

1.2.12. Logging 5.8.1

This release includes OpenShift Logging Bug Fix Release 5.8.1 and OpenShift Logging Bug Fix Release 5.8.1 Kibana.

1.2.12.1. Enhancements

1.2.12.1.1. Log Collection
  • With this update, while configuring Vector as a collector, you can add logic to the Red Hat OpenShift Logging Operator to use a token specified in the secret in place of the token associated with the service account. (LOG-4780)
  • With this update, the BoltDB Shipper Loki dashboards are now renamed to Index dashboards. (LOG-4828)

1.2.12.2. Bug fixes

  • Before this update, the ClusterLogForwarder created empty indices after enabling the parsing of JSON logs, even when the rollover conditions were not met. With this update, the ClusterLogForwarder skips the rollover when the write-index is empty. (LOG-4452)
  • Before this update, the Vector set the default log level incorrectly. With this update, the correct log level is set by improving the enhancement of regular expression, or regexp, for log level detection. (LOG-4480)
  • Before this update, during the process of creating index patterns, the default alias was missing from the initial index in each log output. As a result, Kibana users were unable to create index patterns by using OpenShift Elasticsearch Operator. This update adds the missing aliases to OpenShift Elasticsearch Operator, resolving the issue. Kibana users can now create index patterns that include the {app,infra,audit}-000001 indexes. (LOG-4683)
  • Before this update, Fluentd collector pods were in a CrashLoopBackOff state due to binding of the Prometheus server on IPv6 clusters. With this update, the collectors work properly on IPv6 clusters. (LOG-4706)
  • Before this update, the Red Hat OpenShift Logging Operator would undergo numerous reconciliations whenever there was a change in the ClusterLogForwarder. With this update, the Red Hat OpenShift Logging Operator disregards the status changes in the collector daemonsets that triggered the reconciliations. (LOG-4741)
  • Before this update, the Vector log collector pods were stuck in the CrashLoopBackOff state on IBM Power machines. With this update, the Vector log collector pods start successfully on IBM Power architecture machines. (LOG-4768)
  • Before this update, forwarding with a legacy forwarder to an internal LokiStack would produce SSL certificate errors using Fluentd collector pods. With this update, the log collector service account is used by default for authentication, using the associated token and ca.crt. (LOG-4791)
  • Before this update, forwarding with a legacy forwarder to an internal LokiStack would produce SSL certificate errors using Vector collector pods. With this update, the log collector service account is used by default for authentication and also using the associated token and ca.crt. (LOG-4852)
  • Before this fix, IPv6 addresses would not be parsed correctly after evaluating a host or multiple hosts for placeholders. With this update, IPv6 addresses are correctly parsed. (LOG-4811)
  • Before this update, it was necessary to create a ClusterRoleBinding to collect audit permissions for HTTP receiver inputs. With this update, it is not necessary to create the ClusterRoleBinding because the endpoint already depends upon the cluster certificate authority. (LOG-4815)
  • Before this update, the Loki Operator did not mount a custom CA bundle to the ruler pods. As a result, during the process to evaluate alerting or recording rules, object storage access failed. With this update, the Loki Operator mounts the custom CA bundle to all ruler pods. The ruler pods can download logs from object storage to evaluate alerting or recording rules. (LOG-4836)
  • Before this update, while removing the inputs.receiver section in the ClusterLogForwarder, the HTTP input services and its associated secrets were not deleted. With this update, the HTTP input resources are deleted when not needed. (LOG-4612)
  • Before this update, the ClusterLogForwarder indicated validation errors in the status, but the outputs and the pipeline status did not accurately reflect the specific issues. With this update, the pipeline status displays the validation failure reasons correctly in case of misconfigured outputs, inputs, or filters. (LOG-4821)
  • Before this update, changing a LogQL query that used controls such as time range or severity changed the label matcher operator defining it like a regular expression. With this update, regular expression operators remain unchanged when updating the query. (LOG-4841)

1.2.12.3. CVEs

1.2.13. Logging 5.8.0

This release includes OpenShift Logging Bug Fix Release 5.8.0 and OpenShift Logging Bug Fix Release 5.8.0 Kibana.

1.2.13.1. Deprecation notice

In Logging 5.8, Elasticsearch, Fluentd, and Kibana are deprecated and are planned to be removed in Logging 6.0, which is expected to be shipped alongside a future release of OpenShift Container Platform. Red Hat will provide critical and above CVE bug fixes and support for these components during the current release lifecycle, but these components will no longer receive feature enhancements. The Vector-based collector provided by the Red Hat OpenShift Logging Operator and LokiStack provided by the Loki Operator are the preferred Operators for log collection and storage. We encourage all users to adopt the Vector and Loki log stack, as this will be the stack that will be enhanced going forward.

1.2.13.2. Enhancements

1.2.13.2.1. Log Collection
  • With this update, the LogFileMetricExporter is no longer deployed with the collector by default. You must manually create a LogFileMetricExporter custom resource (CR) to generate metrics from the logs produced by running containers. If you do not create the LogFileMetricExporter CR, you may see a No datapoints found message in the OpenShift Container Platform web console dashboard for Produced Logs. (LOG-3819)

  • With this update, you can deploy multiple, isolated, and RBAC-protected ClusterLogForwarder custom resource (CR) instances in any namespace. This allows independent groups to forward desired logs to any destination while isolating their configuration from other collector deployments. (LOG-1343)

    Important

    In order to support multi-cluster log forwarding in additional namespaces other than the openshift-logging namespace, you must update the Red Hat OpenShift Logging Operator to watch all namespaces. This functionality is supported by default in new Red Hat OpenShift Logging Operator version 5.8 installations.

  • With this update, you can use the flow control or rate limiting mechanism to limit the volume of log data that can be collected or forwarded by dropping excess log records. The input limits prevent poorly-performing containers from overloading the Logging and the output limits put a ceiling on the rate of logs shipped to a given data store. (LOG-884)
  • With this update, you can configure the log collector to look for HTTP connections and receive logs as an HTTP server, also known as a webhook. (LOG-4562)
  • With this update, you can configure audit polices to control which Kubernetes and OpenShift API server events are forwarded by the log collector. (LOG-3982)
1.2.13.2.2. Log Storage
  • With this update, LokiStack administrators can have more fine-grained control over who can access which logs by granting access to logs on a namespace basis. (LOG-3841)
  • With this update, the Loki Operator introduces PodDisruptionBudget configuration on LokiStack deployments to ensure normal operations during OpenShift Container Platform cluster restarts by keeping ingestion and the query path available. (LOG-3839)
  • With this update, the reliability of existing LokiStack installations are seamlessly improved by applying a set of default Affinity and Anti-Affinity policies. (LOG-3840)
  • With this update, you can manage zone-aware data replication as an administrator in LokiStack, in order to enhance reliability in the event of a zone failure. (LOG-3266)
  • With this update, a new supported small-scale LokiStack size of 1x.extra-small is introduced for OpenShift Container Platform clusters hosting a few workloads and smaller ingestion volumes (up to 100GB/day). (LOG-4329)
  • With this update, the LokiStack administrator has access to an official Loki dashboard to inspect the storage performance and the health of each component. (LOG-4327)
1.2.13.2.3. Log Console
  • With this update, you can enable the Logging Console Plugin when Elasticsearch is the default Log Store. (LOG-3856)
  • With this update, OpenShift Container Platform application owners can receive notifications for application log-based alerts on the OpenShift Container Platform web console Developer perspective for OpenShift Container Platform version 4.14 and later. (LOG-3548)

1.2.13.3. Known Issues

  • Currently, Splunk log forwarding might not work after upgrading to version 5.8 of the Red Hat OpenShift Logging Operator. This issue is caused by transitioning from OpenSSL version 1.1.1 to version 3.0.7. In the newer OpenSSL version, there is a default behavior change, where connections to TLS 1.2 endpoints are rejected if they do not expose the RFC 5746 extension.

    As a workaround, enable TLS 1.3 support on the TLS terminating load balancer in front of the Splunk HEC (HTTP Event Collector) endpoint. Splunk is a third-party system and this should be configured from the Splunk end.

  • Currently, there is a flaw in handling multiplexed streams in the HTTP/2 protocol, where you can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This created extra work for the server set up and tore down the streams, resulting in a denial of service due to server resource consumption. There is currently no workaround for this issue. (LOG-4609)
  • Currently, when using FluentD as the collector, the collector pod cannot start on the OpenShift Container Platform IPv6-enabled cluster. The pod logs produce the fluentd pod [error]: unexpected error error_class=SocketError error="getaddrinfo: Name or service not known error. There is currently no workaround for this issue. (LOG-4706)
  • Currently, the log alert is not available on an IPv6-enabled cluster. There is currently no workaround for this issue. (LOG-4709)
  • Currently, must-gather cannot gather any logs on a FIPS-enabled cluster, because the required OpenSSL library is not available in the cluster-logging-rhel9-operator. There is currently no workaround for this issue. (LOG-4403)
  • Currently, when deploying the logging version 5.8 on a FIPS-enabled cluster, the collector pods cannot start and are stuck in CrashLoopBackOff status, while using FluentD as a collector. There is currently no workaround for this issue. (LOG-3933)

1.2.13.4. CVEs

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