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v2.0.0-beta / 2020-12-04

Promotion to beta release after a period of no bugs.

v2.0.0-alpha.3 / 2020-11-19

  • [BUGFIX] Fix container resource limits metrics, which got dropped #1293
  • [BUGFIX] Adjust and refactor allowing labels to work for Kubernetes labels metrics #1301 Note this is a breaking change, if you were using --labels-allow-list, look at the PR details for more information.

v2.0.0-alpha.2 / 2020-10-27

  • [CHANGE] Migrate ingress and certificates to new stable APIs #1260
  • [CHANGE] Revert "Rework resource metrics" #1278 To better align with future Kubernetes resource metrics, the changes to resource metrics were reverted, new metrics are: kube_pod_container_resource_requests and kube_pod_container_resource_limits
  • [FEATURE] Added the job failure reason in kube_job_status_failed metric #1214
  • [FEATURE] feat(persistentvolume): claimRef info to labels (kube_persistentvolume_claim_ref) #1244
  • [FEATURE] pod: add gauge for runtimeclass handler (kube_pod_runtimeclass_name_info) #1276

v2.0.0-alpha.1 / 2020-10-06

  • [CHANGE] Update go module path to k8s.io/kube-state-metrics/v2 #1238
  • [CHANGE] Bump klog to v2 and client-go to 1.19 #1250
  • [FEATURE] Add iscsi initiator name to persistentvolume_info #1235
  • [BUGFIX] Added Namespace to Rolebinding Jsonnet #1233
  • [BUGFIX] Reference closure scoped family generator #1240

v2.0.0-alpha / 2020-09-16

NOTE: This is a major new alpha 2.0 release with breaking changes and removed metrics. See details below!

  • [CHANGE] Apply boundaries to metrics and allow via flag (--labels-allow-list) what labels to include #1125
  • [CHANGE] Update DaemonSet updated_number_scheduled metric name to be consistent #1181 Metric was changed from kube_daemonset_updated_number_scheduled to kube_daemonset_status_updated_number_scheduled
  • [CHANGE] Rework resource metrics #1168 Metrics kube_pod_container_resource_requests, kube_pod_container_resource_limits, kube_pod_overhead, kube_pod_init_container_resource_limits, kube_pod_init_container_resource_requests changed
  • [CHANGE] Convert k8s labels to snake case #1165
  • [CHANGE] Mutatingwebhookconfiguration.go: Switch to v1 #1144
  • [CHANGE] v2: Rename storage class labels reclaimPolicy to reclaim_policy and volumeBindingMode to volume_binding_mode #1107
  • [CHANGE] v2: Renamed --namespace flag to --namespaces #1098
  • [CHANGE] Rename kube_pod_deleted to kube_pod_deletion_timestamp #1079
  • [CHANGE] v2: Rename collector flag to resource flag #1006 --resources is the new flag
  • [CHANGE] Remove non-identifying labels from pod metrics #1009
  • [CHANGE] v2: Remove deprecated stable metrics #1004 Note that some of these were replaced with EXPERIMENTAL resource metrics. See #1168 for more details. kube_pod_container_resource_requests and kube_pod_container_resource_limits are the replacements with resource labels representing the resource name and unit labels representing the resource unit.
    • kube_pod_container_resource_requests_cpu_cores
    • kube_pod_container_resource_limits_cpu_cores
    • kube_pod_container_resource_requests_memory_bytes
    • kube_pod_container_resource_limits_memory_bytes
    • kube_node_status_capacity and kube_node_status_allocatable are the replacements with resource labels representing the resource name and unit labels representing the resource unit.
    • kube_node_status_capacity_pods
    • kube_node_status_capacity_cpu_cores
    • kube_node_status_capacity_memory_bytes
    • kube_node_status_allocatable_pods
    • kube_node_status_allocatable_cpu_cores
    • kube_node_status_allocatable_memory_bytes
  • [CHANGE] Rename black-/whitelist to allow/deny-list #1045 New flags are --metric-allowlist and --metric-denylist
  • [CHANGE] Update telemetry port to 8081 #1049
  • [CHANGE] v2: Rename hpa metrics to use full horizontalpodautoscaler #1003 All metrics with prefix of kube_hpa_ were renamed to kube_horizontalpodautoscaler_
  • [CHANGE] v2: change metrics port to 8080, telemetry port to 8081 #1005
  • [FEATURE] Add http request metric for kube-state-metrics main /metrics #1218
  • [FEATURE] Add fc/iscsi/nfs identifier tags to persistentvolume_info metric #1208
  • [FEATURE] Adds new pod metric kube_pod_container_state_started #1183
  • [FEATURE] Add observedGeneration metric (kube_daemonset_status_observed_generation) for DaemonSets #1178
  • [FEATURE] Add internal_ip to node_info #1172
  • [FEATURE] Avoid conflicts when mapping Kubernetes labels to Prometheus labels #1156
  • [FEATURE] Add aws/gce volume id to kube_persistentvolume_info #1146
  • [FEATURE] Add UnexpectedAdmissionError to kube_pod_status_reason metric #1145
  • [FEATURE] Add init container requests (kube_pod_init_container_resource_requests) #1123
  • [FEATURE] Add host_network to kube_pod_info #1100
  • [FEATURE] Add kube_replicationcontroller_owner #1058
  • [FEATURE] Pod: add gauges for pod overhead (kube_pod_overhead) #1053
  • [FEATURE] Add "Terminating" status in kube_pod_status_phase metrics #1013
  • [FEATURE] Add lease collector metrics #1038
  • [ENHANCEMENT] Add DeprecatedVersion to struct FamilyGenerator and func NewFamilyGenerator #1160
  • [ENHANCEMENT] Add security context to deployment and statefulset #1034
  • [BUGFIX] Fix VolumeAttachment API version mismatch: expected v1 but watching v1beta1 #1136
  • [BUGFIX] Fix various CI issues (kube_volumeattachment_info nodeName -> node label rename) #1117
  • [BUGFIX] Fix maxUnavailable to round down instead up #1076

v1.9.7 / 2020-05-24

  • [BUGFIX] internal/store/mutatingwebhookconfiguration.go: Switch to v1 #1144

v1.9.6 / 2020-05-06

  • [BUGFIX] Fix VolumeAttachment API version mismatch: expected v1 but watching v1beta1 #1136

v1.9.5 / 2020-02-20

  • [BUGFIX] Switch to using only v1 client of validatingwebhookconfiguration #1052

v1.9.4 / 2020-02-03

  • [BUGFIX] Fix VolumeAttachment api version to be used (was v1beta1, should have been v1). #1043
  • [BUGFIX] Fix MutatingWebhookConfiguration api version to be used (was v1beta1, should have been v1). #1043
  • [BUGFIX] Fix ValidatingWebhookConfiguration api version to be used (was v1beta1, should have been v1). #1043
  • [BUGFIX] Use the correct for NetworkPolicy reflector. #1042

v1.9.3 / 2020-01-22

  • [CHANGE] Remove experimental hpa metrics kube_hpa_status_current_metrics_average_utilization and kube_hpa_status_current_metrics_average_value #1030

v1.9.2 / 2020-01-13

  • [BUGFIX] Fix segfault with External metrics #1023

v1.9.1 / 2020-01-10

  • [BUGFIX] Fix segfault in hpa metrics #1019
  • [BUGFIX] Fix nil panics when parsing hpa memory current metrics #1014

v1.9.0 / 2019-12-20

After a testing period of 7 days, there were no additional bugs found or features introduced.

v1.9.0-rc.1 / 2019-12-12

  • [BUGFIX] Move resource version from metric label to metric number value #997

v1.9.0-rc.0 / 2019-12-04

  • [CHANGE] Add tools as go modules #927
  • [FEATURE] Add kube_hpa_spec_target_metric metric. #966
  • [FEATURE] Add hpa stats for current utilization and average value. #961
  • [FEATURE] Add kube_namespace_status_condition metric. #949
  • [FEATURE] Add kube_persistentvolumeclaim_status_condition and kube_persistentvolumeclaim_status_phase metrics #952
  • [FEATURE] Add kube_networkpolicy_* metrics #893
  • [FEATURE] Add kube_volumeattachment_* metrics #946
  • [FEATURE] add kube_mutatingwebhookconfiguration_*, kube_validatingwebhookconfiguration_* metrics #914
  • [ENHANCEMENT] Add pod_cidr label to the kube_node_info metric. #963
  • [ENHANCEMENT] Generate all manifests from jsonnet #908
  • [ENHANCEMENT] Add kube-state-metrics alerting rules. #962
  • [ENHANCEMENT] Add "Evicted" to the set of container terminated reasons. #968
  • [BUGFIX] Add check for ReclaimPolicy, VolumeBindingMode storageclass metrics. #929
  • [BUGFIX] Use single MultiListerWatcher for single store to fix missing metrics when watching multiple namespaces. #969
  • [BUGFIX] Fix nil panics parsing HPA CPU current metrics. #993

v1.8.0 / 2019-10-01

After a testing period of 7 days, there were no additional bugs found or features introduced.

v1.8.0-rc.1 / 2019-09-24

  • [CHANGE] Pin go version to go mod artifact file #882
  • [BUGFIX] Correct mapping of hpa condition status labels #890

v1.8.0-rc.0 / 2019-09-10

  • [FEATURE] Introduce sharding (and experimental auto-sharding) #613
  • [FEATURE] Add kube_pod_status_unschedulable metric #835
  • [CHANGE] Makefile: Remove tmpdir after container build #867
  • [ENHANCEMENT] Add metrics about kube-state-metric's interaction with the Kubernetes API. #866
  • [FEATURE] Add kube_node_role metric #877
  • [ENHANCEMENT] Add support for Darwin OS in e2e test #879

v1.7.2 / 2019-08-05

  • [CHANGE] Revert "add kube_*_annotations metrics for all objects" #859
  • [CHANGE] Remove kube_namespace_annotations metric #859

v1.7.1 / 2019-07-18

  • [BUGFIX] Fix crash due to missing ingress http block. #831
  • [BUGFIX] Add nil guard checks when querying VPA objects. #832

v1.7.0 / 2019-07-17

After a testing period of 7 days, there were no additional bugs found or features introduced.

v1.7.0-rc.1 / 2019-07-10

  • [BUGFIX] Use the appsv1 apigroup when building the reflector for replicasets. #816

v1.7.0-rc.0 / 2019-07-10

  • [CHANGE] Use appsv1 apigroup for ReplicaSet. #804
  • [CHANGE] Use distroless/static as base image to further reduce image size. #748
  • [CHANGE] Return standardized text for health endpoint. #767
  • [ENHANCEMENT] Add DeadlineExceeded pod termination reason. #740
  • [ENHANCEMENT] Add CreateContainerError and InvalidImageName waiting reasons. #763
  • [FEATURE] Add Pod init container metrics. #762
  • [FEATURE] Add Metrics About StorageClass. #777
  • [FEATURE] Allow black/white- listing of metrics by regex. #773
  • [FEATURE] Add metrics for VerticalPodAutoscaler objects (experimental and disabled by default). #791
  • [FEATURE] Add (experimental) kube_*_annotations metrics. #770

v1.6.0 / 2019-05-06

After a testing period of 10 days (release candidate 2), there were no additional bugs found, thus releasing the stable version v1.6.0.

  • [FEATURE] Add kube_replicaset_labels to replicaset collector (#638).
  • [FEATURE] Add ingresses collector (#640).
  • [FEATURE] Add certificate signing request collector (#650).
  • [FEATURE] Add kube_persistentvolumeclaim_access_mode metric (#673).
  • [FEATURE] Add kube_persistentvolume_capacity metric (#674).
  • [FEATURE] Add kube_job_owner metric (#681).
  • [ENHANCEMENT] Add priority_class label to kube_pod_info metric (#713).
  • [BUGFIX] Bump addon-resizer patch version reducing resource consumption (#724).
  • [BUGFIX] Use k8s.io/api/apps/v1 for DaemonSet, Deployment and StatefulSet reflector (#720).

v1.5.0 / 2019-01-10

After a testing period of 30 days, there were no additional bugs found or features introduced. Due to no bugs being reported over an in total 41 days period, we feel no more pre-releases are necessary for a stable release.

This release's focus was a large architectural change in order to improve performance and resource usage of kube-state-metrics drastically. Special thanks to @mxinden for his hard work on this! See the changelog of the pre-releases for more detailed information and related pull requests.

An additional change has been requested to be listed in the release notes:

  • [CHANGE] Due to removal of the surrounding mechanism the ksm_resources_per_scrape and ksm_scrape_error_total metrics no longer exists.

v1.5.0-beta.0 / 2018-12-11

After a testing period of 11 days, there were no additional bugs found or features introduced.

v1.5.0-alpha.0 / 2018-11-30

  • [CHANGE] Disable gzip compression of kube-state-metrics responses by default. Can be re-enabled via --enable-gzip-encoding. See #563 for more details.
  • [FEATURE] Add kube_replicaset_owner metric (#520).
  • [FEATURE] Add kube_pod_container_status_last_terminated_reason metric (#535).
  • [FEATURE] Add stateful_set_status.{current,update}_revision metric (#545).
  • [FEATURE] Add pod disruption budget collector (#551).
  • [FEATURE] Make kube-state-metrics usable as a library (#575).
  • [FEATURE] Add kube_service_spec_external_ip metric and add external_name and load_balancer_ip label to kube_service_info metric (#571).
  • [ENHANCEMENT] Add uid info in kube_pod_info metric (#508).
  • [ENHANCEMENT] Update addon-resizer to 1.8.3 and increase resource limits (#552).
  • [ENHANCEMENT] Improve metric caching and rendering performance (#498).
  • [ENHANCEMENT] Adding CreateContainerConfigError as possible reason for container not starting (#578).

v1.4.0 / 2018-08-22

After a testing period of 16 days, there were no additional bugs found or features introduced.

v1.4.0-rc.0 / 2018-08-06

  • [CHANGE] kube_job_status_start_time and kube_job_status_completion_time metric types changed from counter to gauge.
  • [CHANGE] job label to job_name as this collides with the Prometheus job label.
  • [FEATURE] Allow white- and black-listing metrics to be exposed.
  • [FEATURE] Add kube_node_status_capacity and kube_node_status_allocatable metrics.
  • [FEATURE] Add kube_pod_status_scheduled_time metric.
  • [FEATURE] Add kube_pod_container_status_waiting_reason and kube_pod_container_status_terminated_reason metrics.
  • [ENHANCEMENT] Add generic resource metrics for Pods, kube_pod_container_resource_requests and kube_pod_container_resource_limits. This deprecates the old resource metrics for Pods.
  • [ENHANCEMENT] Prefer protobuf over json when communicating with the Kubernetes API.
  • [ENHANCEMENT] Add dynamic volume support.
  • [ENHANCEMENT] Properly set kube-state-metrics user agent when performing requests against the Kubernetes API.
  • [BUGFIX] Fix incrorrect HPA metric labels.

v1.3.1 / 2018-04-12

  • [BUGFIX] Use Go 1.10.1 fixing TLS and memory issues.
  • [BUGFIX] Fix Pod unknown state.

v1.3.0 / 2018-04-04

After a testing period of 12 days, there were no additional bugs found or features introduced.

v1.3.0-rc.0 / 2018-03-23

  • [CHANGE] Removed --in-cluster flag in #371. Users can no longer specify --apiserver with --in-cluster=true. To emulate this behaviour in future releases, set the KUBERNETES_SERVICE_HOST environment variable to the value of the --apiserver argument.
  • [FEATURE] Allow to specify multiple namespace.
  • [FEATURE] Add kube_pod_completion_time, kube_pod_spec_volumes_persistentvolumeclaims_info, and kube_pod_spec_volumes_persistentvolumeclaims_readonly metrics to the Pod collector.
  • [FEATURE] Add kube_node_spec_taint metric.
  • [FEATURE] Add kube_namespace_annotations metric.
  • [FEATURE] Add kube_deployment_spec_strategy_rollingupdate_max_surge metric.
  • [FEATURE] Add kube_persistentvolume_labels metric.
  • [FEATURE] Add kube_persistentvolumeclaim_lables metric.
  • [FEATURE] Add kube_daemonset_labels metric.
  • [FEATURE] Add Secret metrics.
  • [FEATURE] Add ConfigMap metrics.
  • [ENHANCEMENT] Add additional reasons to kube_pod_container_status_waiting_reason metric.
  • [BUGFIX] Fix namespacing of HPA.
  • [BUGFIX] Fix namespacing of PersistentVolumes.
  • [BUGFIX] Fix CronJob tab parsing.

v1.2.0 / 2018-01-15

After a testing period of 10 days, there were no additional bugs found or features introduced.

v1.2.0-rc.0 / 2018-01-05

  • [CHANGE] The CronJob collector now expects the version to be v1beta1.
  • [FEATURE] Add Endpoints metrics collector.
  • [FEATURE] Add PersistentVolume metrics collector.
  • [FEATURE] Add HorizontalPodAutoscaler metrics collector.
  • [FEATURE] Add kube_pod_container_status_terminated_reason metric.
  • [FEATURE] Add kube_job_labels metric.
  • [FEATURE] Add kube_cronjob_labels metric.
  • [FEATURE] Add kube_service_spec_type metric.
  • [FEATURE] Add kube_statefulset_status_replicas_current metric.
  • [FEATURE] Add kube_statefulset_status_replicas_ready metric.
  • [FEATURE] Add kube_statefulset_status_replicas_updated metric.
  • [ENHANCEMENT] Allow specifying the host/IP kube-state-metrics binds to.
  • [ENHANCEMENT] Add volumename label to kube_persistentvolumeclaim_info metric.
  • [ENHANCEMENT] Add cluster_ip label to kube_service_info metric.
  • [ENHANCEMENT] Print version on startup and useful debug information at runtime.
  • [ENHANCEMENT] Add metrics for kube-state-metrics itself. For separation purposes this listens on a separate host/IP and port, both configurable respectively.

v1.1.0 / 2017-10-19

After a testing period of one week, there were no additional bugs found or features introduced.

v1.1.0-rc.0 / 2017-10-12

  • [FEATURE] Add kube_pod_container_status_waiting_reason metric.
  • [FEATURE] Add kube_node_status_capacity_nvidia_gpu_cards and kube_node_status_allocatable_nvidia_gpu_cards metrics.
  • [FEATURE] Add kube_persistentvolumeclaim_info, kube_persistentvolumeclaim_status_phase and kube_persistentvolumeclaim_resource_requests_storage_bytes metrics.
  • [FEATURE] Add kube_cronjob_created metric.
  • [FEATURE] Add kube_namespace_status_phase, kube_namespace_labels and kube_namespace_created metrics.
  • [FEATURE] Add *_created metrics for all available collectors and resources.
  • [FEATURE] Add ability to specify glog flags.
  • [FEATURE] Add ability to limit kube-state-metrics objects to single namespace.
  • [ENHANCEMENT] Bump client-go to 5.0 release branch.
  • [ENHANCEMENT] Add pprof endpoints for profiling.
  • [ENHANCEMENT] Log resources and API versions used when collecting metrics from objects.
  • [ENHANCEMENT] Log number of resources used to generate metrics off of.
  • [ENHANCEMENT] Improve a usage message for collectors flag.
  • [BUGFIX] Fix Job start time nil panic.

v1.0.1 / 2017-08-24

  • [BUGFIX] Fix nil pointer panic when pods have an owner without controllers.

v1.0.0 / 2017-08-09

After a testing period of one week, there were no additional bugs found or features introduced.

v1.0.0-rc.1 / 2017-08-02

  • [CHANGE] Remove kube_node_status_ready, kube_node_status_out_of_disk, kube_node_status_memory_pressure, kube_node_status_disk_pressure, and kube_node_status_network_unavailable metrics in favor of one generic kube_node_status_condition metric.
  • [CHANGE] Flatten created by label on kube_pod_info metric.
  • [FEATURE] Add kube_pod_start_time metric.
  • [FEATURE] Add PersistentVolumeClaim metrics.
  • [FEATURE] Add StatefulSet metrics.
  • [FEATURE] Add Job and CronJob metrics.
  • [FEATURE] Add label metrics for deployments.
  • [FEATURE] Add kube_pod_owner metrics.
  • [ENHANCEMENT] Add provider_id label to kube_node_info metric.
  • [BUGFIX] Fix various nil pointer panics.

v0.5.0 / 2017-05-03

  • [FEATURE] Add label metrics for Pods, Nodes and Services.
  • [FEATURE] Expose number of ready Pods for DaemonSets.
  • [FEATURE] Add LimitRange metrics.
  • [FEATURE] Add ReplicationController metrics.
  • [ENHANCEMENT] Add NodeMemoryPressure, NodeDiskPressure, NodeNetworkUnavailable condition metrics.
  • [ENHANCEMENT] Add created_by label to kube_pod_info metric.

v0.4.1 / 2017-02-10

  • [BUGFIX] fix panic if max unavailable if rolling update is unset

v0.4.0 / 2017-02-07

  • [FEATURE] Add replicaset metrics
  • [FEATURE] Add resourcequota metrics
  • [FEATURE] Add daemonset metrics
  • [FEATURE] Add resource limit and request metrics for pod containers
  • [FEATURE] Add node name label to kube_pod_info metric
  • [FEATURE] Add rolling update metrics for deployments
  • [ENHANCEMENT] Allow disabling collectors
  • [ENHANCEMENT] Improve in cluster vs non in cluster configuration

v0.3.0 / 2016-10-18

  • [FEATURE] Add pod metrics: kube_pod_status_scheduled, kube_pod_container_requested_cpu_cores and kube_pod_container_requested_memory_bytes
  • [FEATURE] Add deployment metric kube_deployment_metadata_generation
  • [FEATURE] Add node metric kube_node_spec_unschedulable
  • [CHANGE] Rename kube_node_status_allocateable_* to kube_node_status_allocatable_*

v0.2.0 / 2016-09-14

  • [CHANGE] Prefix all metrics with kube_
  • [CHANGE] Make metric collection synchronous
  • [FEATURE] Add a number of node/pod/deployment metrics