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move and split documentation into the `Documentation/` directory

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Frederic Branczyk 2017-05-05 15:58:43 +02:00
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# Documentation
This documentation is intended to be a complete reflection of the current state of the exposed metrics of kube-state-metrics.
Pull requests completeing the metrics documentation as well as sample usages are very welcome.
Per group of metrics there is one file for all metrics. See each file for specific documentation about the exposed metrics:
* [DaemonSet Metrics](daemonset-metrics.md)
* [Deployment Metrics](deployment-metrics.md)
* [LimitRange Metrics](limitrange-metrics.md)
* [Node Metrics](node-metrics.md)
* [Pod Metrics](pod-metrics.md)
* [ReplicaSet Metrics](replicaset-metrics.md)
* [ReplicationController Metrics](replicationcontroller-metrics.md)
* [ResourceQuota Metrics](resourcequota-metrics.md)

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# DaemonSet Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_daemonset_status_current_number_scheduled | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
| kube_daemonset_status_number_misscheduled | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
| kube_daemonset_status_desired_number_scheduled | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
| kube_daemonset_status_number_ready | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
| kube_daemonset_metadata_generation | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |

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# Deployment Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_deployment_status_replicas | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_status_replicas_available | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_status_replicas_unavailable | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_status_replicas_updated | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_status_observed_generation | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_spec_replicas | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_spec_paused | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_spec_strategy_rollingupdate_max_unavailable | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_metadata_generation | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |

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# LimitRange Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_limitrange | Gauge | `limitrange`=&lt;limitrange-name&gt; <br> `namespace`=&lt;namespace&gt; <br> `resource`=&lt;ResourceName&gt; <br> `type`=&lt;Pod\|Container\|PersistentVolumeClaim&gt; <br> `constraint`=&lt;constraint&gt;|

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# Node Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_node_info | Gauge | `node`=&lt;node-address&gt; <br> `kernel_version`=&lt;kernel-version&gt; <br> `os_image`=&lt;os-image-name&gt; <br> `container_runtime_version`=&lt;container-runtime-and-version-combination&gt; <br> `kubelet_version`=&lt;kubelet-version&gt; <br> `kubeproxy_version`=&lt;kubeproxy-version&gt; |
| kube_node_spec_unschedulable | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_ready| Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_node_status_out_of_disk | Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_node_status_phase| Gauge | `node`=&lt;node-address&gt; <br> `phase`=&lt;Pending\|Running\|Terminated&gt; |
| kube_node_status_capacity_cpu_cores | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_capacity_memory_bytes | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_capacity_pods | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_allocatable_cpu_cores | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_allocatable_memory_bytes | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_allocatable_pods | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_memory_pressure | Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_node_status_disk_pressure | Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_node_status_network_unavailable | Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |

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# Pod Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_pod_info | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `host_ip`=&lt;host-ip&gt; <br> `pod_ip`=&lt;pod-ip&gt; <br> `start_time`=&lt;date-time since kubelet acknowledged pod&gt; <br> `node`=&lt;node-name&gt;<br> `created_by`=&lt;created_by&gt; |
| kube_pod_status_phase | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `phase`=&lt;Pending\|Running\|Succeeded\|Failed\|Unknown&gt; |
| kube_pod_status_ready | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_pod_status_scheduled | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_pod_container_info | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `image`=&lt;image-name&gt; <br> `image_id`=&lt;image-id&gt; <br> `container_id`=&lt;containerid&gt; |
| kube_pod_container_status_waiting | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
| kube_pod_container_status_running | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
| kube_pod_container_status_terminated | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
| kube_pod_container_status_ready | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
| kube_pod_container_status_restarts | Counter | `container`=&lt;container-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `pod`=&lt;pod-name&gt; |
| kube_pod_container_resource_requests_cpu_cores | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; |
| kube_pod_container_resource_requests_memory_bytes | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; |
| kube_pod_container_resource_limits_cpu_cores | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; |
| kube_pod_container_resource_limits_memory_bytes | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; |

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# ReplicaSet metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_replicaset_status_replicas | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_status_fully_labeled_replicas | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_status_ready_replicas | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_status_observed_generation | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_spec_replicas | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_metadata_generation | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |

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# ReplicationController metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_replicationcontroller_status_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_status_fully_labeled_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_status_ready_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_status_available_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_status_observed_generation | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_spec_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_metadata_generation | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |

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# ResourceQuota Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_resourcequota | Gauge | `resourcequota`=&lt;quota-name&gt; <br> `namespace`=&lt;namespace&gt; <br> `resource`=&lt;ResourceName&gt; <br> `type`=&lt;quota-type&gt; |

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The latest container image can be found at `gcr.io/google_containers/kube-state-metrics:v0.5.0`.
## Metrics
## Metrics Documentation
There are many more metrics we could report, but this first pass is focused on
those that could be used for actionable alerts. Please contribute PR's for
@ -28,102 +28,7 @@ additional metrics!
> WARNING: THESE METRIC/TAG NAMES ARE UNSTABLE AND MAY CHANGE IN A FUTURE RELEASE.
### Node Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_node_info | Gauge | `node`=&lt;node-address&gt; <br> `kernel_version`=&lt;kernel-version&gt; <br> `os_image`=&lt;os-image-name&gt; <br> `container_runtime_version`=&lt;container-runtime-and-version-combination&gt; <br> `kubelet_version`=&lt;kubelet-version&gt; <br> `kubeproxy_version`=&lt;kubeproxy-version&gt; |
| kube_node_spec_unschedulable | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_ready| Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_node_status_out_of_disk | Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_node_status_phase| Gauge | `node`=&lt;node-address&gt; <br> `phase`=&lt;Pending\|Running\|Terminated&gt; |
| kube_node_status_capacity_cpu_cores | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_capacity_memory_bytes | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_capacity_pods | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_allocatable_cpu_cores | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_allocatable_memory_bytes | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_allocatable_pods | Gauge | `node`=&lt;node-address&gt;|
| kube_node_status_memory_pressure | Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_node_status_disk_pressure | Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_node_status_network_unavailable | Gauge | `node`=&lt;node-address&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
### DaemonSet Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_daemonset_status_current_number_scheduled | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
| kube_daemonset_status_number_misscheduled | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
| kube_daemonset_status_desired_number_scheduled | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
| kube_daemonset_status_number_ready | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
| kube_daemonset_metadata_generation | Gauge | `daemonset`=&lt;daemonset-name&gt; <br> `namespace`=&lt;daemonset-namespace&gt; |
### Deployment Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_deployment_status_replicas | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_status_replicas_available | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_status_replicas_unavailable | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_status_replicas_updated | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_status_observed_generation | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_spec_replicas | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_spec_paused | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_spec_strategy_rollingupdate_max_unavailable | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
| kube_deployment_metadata_generation | Gauge | `deployment`=&lt;deployment-name&gt; <br> `namespace`=&lt;deployment-namespace&gt; |
### Pod Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_pod_info | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `host_ip`=&lt;host-ip&gt; <br> `pod_ip`=&lt;pod-ip&gt; <br> `start_time`=&lt;date-time since kubelet acknowledged pod&gt; <br> `node`=&lt;node-name&gt;<br> `created_by`=&lt;created_by&gt; |
| kube_pod_status_phase | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `phase`=&lt;Pending\|Running\|Succeeded\|Failed\|Unknown&gt; |
| kube_pod_status_ready | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_pod_status_scheduled | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `condition`=&lt;true\|false\|unknown&gt; |
| kube_pod_container_info | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `image`=&lt;image-name&gt; <br> `image_id`=&lt;image-id&gt; <br> `container_id`=&lt;containerid&gt; |
| kube_pod_container_status_waiting | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
| kube_pod_container_status_running | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
| kube_pod_container_status_terminated | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
| kube_pod_container_status_ready | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; |
| kube_pod_container_status_restarts | Counter | `container`=&lt;container-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `pod`=&lt;pod-name&gt; |
| kube_pod_container_resource_requests_cpu_cores | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; |
| kube_pod_container_resource_requests_memory_bytes | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; |
| kube_pod_container_resource_limits_cpu_cores | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; |
| kube_pod_container_resource_limits_memory_bytes | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; |
### ResourceQuota Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_resourcequota | Gauge | `resourcequota`=&lt;quota-name&gt; <br> `namespace`=&lt;namespace&gt; <br> `resource`=&lt;ResourceName&gt; <br> `type`=&lt;quota-type&gt; |
### LimitRange Metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_limitrange | Gauge | `limitrange`=&lt;limitrange-name&gt; <br> `namespace`=&lt;namespace&gt; <br> `resource`=&lt;ResourceName&gt; <br> `type`=&lt;Pod\|Container\|PersistentVolumeClaim&gt; <br> `constraint`=&lt;constraint&gt;|
### ReplicaSet metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_replicaset_status_replicas | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_status_fully_labeled_replicas | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_status_ready_replicas | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_status_observed_generation | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_spec_replicas | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
| kube_replicaset_metadata_generation | Gauge | `replicaset`=&lt;replicaset-name&gt; <br> `namespace`=&lt;replicaset-namespace&gt; |
### ReplicationController metrics
| Metric name| Metric type | Labels/tags |
| ---------- | ----------- | ----------- |
| kube_replicationcontroller_status_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_status_fully_labeled_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_status_ready_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_status_available_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_status_observed_generation | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_spec_replicas | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
| kube_replicationcontroller_metadata_generation | Gauge | `replicationcontroller`=&lt;replicationcontroller-name&gt; <br> `namespace`=&lt;replicationcontroller-namespace&gt; |
See the [`Documentation`](Documentation) directory for documentation of the exposed metrics.
## kube-state-metrics vs. Heapster