chore(deps): update dependency prometheus-operator/prometheus-operator to v0.91.0

[renovate]

This PR contains the following updates:

Package	Update	Change
prometheus-operator/prometheus-operator	minor	v0.88.0 → v0.91.0

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Release Notes

prometheus-operator/prometheus-operator (prometheus-operator/prometheus-operator)

v0.91.0: 0.91.0 / 2026-05-05

Compare Source

• [CHANGE] Enforce mutual exclusion of basicAuth, authorization and oauth2 in ScrapeConfig CRD. #​8480
• [CHANGE] Add minimum length validations to string fields in ScrapeConfig CRD. #​8479
• [CHANGE] Add validations for VictorOps receiver in AlertmanagerConfig CRD. #​8220
• [CHANGE] Add validations for OpsGenie receiver in AlertmanagerConfig CRD. #​8267
• [CHANGE] Add validations for Email receiver in AlertmanagerConfig CRD. #​8270
• [FEATURE] Implement shard retention based on Prometheus data retention (it requires the PrometheusShardRetentionPolicy feature gate). #​8478
• [FEATURE] Configure node selector when sharding mode is Topology for Prometheus and PrometheusAgent custom resources (it requires the PrometheusTopologySharding feature gate). #​8486
• [FEATURE] Configure external label with topology information when sharding mode is Topology for Prometheus and PrometheusAgent custom resources (it requires the PrometheusTopologySharding feature gate). #​8519
• [FEATURE] Distribute scrape targets within topology zones when sharding mode is Topology for Prometheus and PrometheusAgent custom resources (it requires the PrometheusTopologySharding feature gate). #​8538
• [FEATURE] Add --promql-options CLI argument to the admission-webhook binary. #​8531
• [FEATURE] Validate PrometheusRule resources selected by Prometheus resources based on the PromQL enabled features. #​8545
• [FEATURE] Add workload identity authentication method for AzureSD in ScrapeConfig CRD. #​8489
• [ENHANCEMENT] Support strategic merge patch of container probes when workloads are configured with HTTPS. #​8427
• [ENHANCEMENT] Support auth_secret_file field for Email receiver in Alertmanager configuration Secret. #​8394
• [ENHANCEMENT] Support smtp_auth_secret_file field in Alertmanager configuration Secret. #​8396
• [ENHANCEMENT] Add externalId field to SigV4 configuration in Alertmanager, Prometheus, PrometheusAgent and ThanosRuler CRDs. #​8494
• [ENHANCEMENT] Add cipherSuites support for Thanos Sidecars and Rulers. #​8524
• [ENHANCEMENT] Add curves support for Thanos Sidecars and Rulers. #​8542
• [ENHANCEMENT] Speed up configuration reloads by watching the config file's parent directory. #​7366
• [ENHANCEMENT] Support Mattermost global webhook URL support in Alertmanager configuration Secret. #​8501
• [ENHANCEMENT] Add Mattermost global webhook URL support in Alertmanager CRD. #​8503 #​8534
• [ENHANCEMENT] Support payload field for Webhook receiver in Alertmanager configuration Secret. #​8505
• [ENHANCEMENT] Support attachment fields for Mattermost receiver in Alertmanager configuration Secret. #​8508
• [ENHANCEMENT] Support update_message field for Slack receiver in Alertmanager configuration Secret. #​8502
• [ENHANCEMENT] Add threading configuration for email receiver in AlertmanagerConfig CRD. #​8400
• [ENHANCEMENT] Add healthFilter field for ConsulSD in ScrapeConfig CRD. #​8529
• [BUGFIX] Ensure that inactive shards don't scrape any targets when the sharding retention policy is Retain. #​8513
• [BUGFIX] Fix Telegram bot token validation in Alertmanager configuration Secret. #​8465

v0.90.1: 0.90.1 / 2026-03-25

Compare Source

• [BUGFIX] Fix Probe ignoring HTTP client settings in scrape configuration. #​8461

v0.90.0: 0.90.0 / 2026-03-19

Compare Source

• [CHANGE/BUGFIX] Validate that the remote-write URL scheme is either http or https. #​8455
• [FEATURE] Add --repair-policy-for-statefulsets CLI argument to the operator. It defines how the operator manages StatefulSet's pods stuck at an incorrect revision. Users running Kubernetes v1.35+ are encouraged to enable this feature (see troubleshooting guide). #​8443
• [FEATURE] Add schedulerName support to the Prometheus, PrometheusAgent, Alertmanager and ThanosRuler CRDs. #​8451
• [ENHANCEMENT] Add --web.tls-curves CLI argument to the operator and admission-webhook binaries. #​8385
• [ENHANCEMENT] Support minimum TLS version for Thanos gRPC servers. #​8438
• [ENHANCEMENT] Add version label to ThanosRuler pods. #​8441
• [ENHANCEMENT] Add messageText support for Slack receiver in AlertmanagerConfig CRD. #​8374
• [ENHANCEMENT] Add messageText support for Slack receiver in Alertmanager secret config. #​8375
• [ENHANCEMENT] Add forceImplicitTLS support for SMTP email config in Alertmanager secret config. #​8384 #​8404
• [ENHANCEMENT] Add forceImplicitTLS support for SMTP email config in AlertmanagerConfig CRD. #​8386
• [ENHANCEMENT] Add forceImplicitTLS support for SMTP global config in Alertmanager secret config. #​8405
• [ENHANCEMENT] Add forceImplicitTLS support for SMTP global config in Alertmanager CRD. #​8406
• [ENHANCEMENT] Add support for global Telegram bot token in Alertmanager CRD. #​8372
• [ENHANCEMENT] Add chatIDFile support for Telegram receiver in Alertmanager secret config. #​8376
• [ENHANCEMENT] Add wechatAPISecretFile support in Alertmanager global config. #​8377
• [ENHANCEMENT] Add authSecretFile support for email config in Alertmanager secret config. #​8396
• [ENHANCEMENT] Add nested field support for PagerDuty description in Alertmanager secret config. #​8402
• [ENHANCEMENT] Add email threading support in Alertmanager secret config. #​8388
• [ENHANCEMENT] Add field and label selectors for ConfigMap watches. #​8368
• [ENHANCEMENT] Improve ScrapeConfig API consistency and validation. #​8422
• [BUGFIX] Fix ThanosRuler config resource status not being updated on initial StatefulSet creation. #​8358
• [BUGFIX] Preserve LastTransitionTime in Prometheus status conditions. #​8346
• [BUGFIX] Make Mattermost text field optional in AlertmanagerConfig CRD. #​8363
• [BUGFIX] Remove nil error wrapping in v1alpha1 duplicate receiver validation. #​8379
• [BUGFIX] Aggregate Available condition across Prometheus shards. #​8434
• [BUGFIX] Reconcile resources with inconsistent status. #​8397
• [BUGFIX] Fix namespace lister/watcher compatibility with Kubernetes v1.35 client-go. #​8431
• [BUGFIX] Fix missing OAuth2 field in IonosSDConfig generation. #​8433
• [BUGFIX] Fix missing fields in AzureSDConfig. #​8444
• [BUGFIX] Validate Microsoft Teams V2 URL in AlertmanagerConfig CRD. #​8227
• [BUGFIX] Fix labelmap relabel action rejecting valid replacement values with template variables for Prometheus 2.x. #​8337

v0.89.0: 0.89.0 / 2026-02-05

Compare Source

• [ENHANCEMENT] Add hostNetwork field to the Alertmanager CRD. #​8281
• [ENHANCEMENT] Add the crds and full-crds commands to the operator's binary. #​8251
• [ENHANCEMENT] Report deprecated field usage in the Reconciled condition type. #​8236
• [ENHANCEMENT] Avoid unnecessary reconciliation upon creation of the ThanosRuler StatefulSet. #​8347
• [ENHANCEMENT] Add bodySizeLimit to the ScrapeConfig CRD. #​8348
• [ENHANCEMENT] Support http_headers field in the Alertmanager Secret. #​8357
• [ENHANCEMENT] Add the -kubelet-http-metrics flag to enable/disable the HTTP metrics port in the Kubelet endpoint (default=enabled). #​8350
• [ENHANCEMENT] Include operator.prometheus.io/version annotation in the full version of CRDs. #​8279
• [BUGFIX] Validate VictorOps global configuration in the Alertmanager CRD. #​8020
• [BUGFIX] Validate Jira global configuration in the Alertmanager CRD. #​8265
• [BUGFIX] Validate VictorOps receiver's URL in the AlertmanagerConfig CRD. #​8258
• [BUGFIX] Validate Webex receiver's URL in the AlertmanagerConfig CRD. #​8255
• [BUGFIX] Validate Jira receiver's URL configuration in the AlertmanagerConfig CRD. #​8230
• [BUGFIX] Validate OpsGenie receiver configuration in the AlertmanagerConfig CRD. #​8267
• [BUGFIX] Validate WeChat receiver configuration in the AlertmanagerConfig CRD. #​8271
• [BUGFIX] Validate SNS receiver configuration in the AlertmanagerConfig CRD. #​8217
• [BUGFIX] Validate Webex global configuration in the Alertmanager CRD. #​7979
• [BUGFIX] Validate Telegram global configuration in the Alertmanager CRD. #​8268
• [BUGFIX] Restore statefulset's labels if the creation fails with AlreadyExists. #​8343
• [BUGFIX] Fix potential panic due to informer cache races. #​8310
• [BUGFIX] Support probers defined with IPv6 addresses in the Probe CRD. #​8354
• [BUGFIX] Prevent group and repeat intervals with zero duration from breaking Alertmanager. #​8126
• [BUGFIX] Propagate all supported RocketChat attributes for AlertmanagerConfig CRD. #​8016
• [BUGFIX] Add URL validation for WeChat receiver. #​8256
• [BUGFIX] Add URL validation for SNS receiver. #​8259
• [BUGFIX] Fix GCE service discovery for the ScrapeConfig CRD. #​8284
• [BUGFIX] Avoid stale conditions in Alertmanager, ThanosRuler, Prometheus and PrometheusAgent resources. #​8304
• [BUGFIX] Fix race condition when updating rule ConfigMaps. #​8290
• [BUGFIX] Fix race condition when patching finalizers. #​8323
• [BUGFIX] Reconcile ScrapeConfig resources when namespace selection changes. #​8334

v0.88.1: 0.88.1 / 2026-01-27

Compare Source

• [BUGFIX] Validate webhookURL secret for MSTeams receiver in AlertmanagerConfig CRD. #​8294
• [BUGFIX] Revert maximum version check for EC2/Lightsail SD in ScrapeConfig CRD. #​8308
• [BUGFIX] Relax URL validation in Slack receiver in AlertmanagerConfig CRD to support Go templates. #​8299 #​8331
• [BUGFIX] Relax URL validation in PagerDuty in AlertmanagerConfig CRD to support Go templates. #​8319
• [BUGFIX] Relax URL validation in WebhookConfig in AlertmanagerConfig CRD to support Go templates. #​8307 #​8317
• [BUGFIX] Relax URL validation in RocketChat receiver in AlertmanagerConfig CRD to support Go templates. #​8318
• [BUGFIX] Relax URL validation in Pushover receiver in AlertmanagerConfig CRD to support Go templates. #​8307 #​8316

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 11.56%. Comparing base (42c5c39) to head (3d52953).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1849   +/-   ##
=======================================
  Coverage   11.56%   11.56%           
=======================================
  Files         248      248           
  Lines       11405    11405           
=======================================
  Hits         1319     1319           
  Misses      10041    10041           
  Partials       45       45           

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