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feat: Add new hpa metrics to prevent prometheus timeseries duplication #2614

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feat: Add new hpa metrics to prevent prometheus timeseries duplication #2614

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feat: Create new metrics for ContainerResourceMetricSource and Object…
CountryTk Feb 19, 2025
6b33b6f
Run gofmt -s
CountryTk Feb 20, 2025
3584159
Update documentation
CountryTk Feb 20, 2025
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Try fix documentation linter
CountryTk Feb 20, 2025
2466943
Rename labels and unify createHPASpecTargetMetric and createHPASpecTa…
CountryTk Mar 4, 2025
1fe588b
Refactor functions further to create one more generic function
CountryTk Mar 5, 2025
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CountryTk Mar 18, 2025
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30 changes: 17 additions & 13 deletions docs/metrics/workload/horizontalpodautoscaler-metrics.md
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# Horizontal Pod Autoscaler Metrics

| Metric name | Metric type | Description | Labels/tags | Status |
| ---------------------------------------------------- | ----------- | ------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------ |
| kube_horizontalpodautoscaler_info | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `scaletargetref_api_version`=&lt;hpa-target-api-version&gt; <br> `scaletargetref_kind`=&lt;hpa-target-kind&gt; <br> `scaletargetref_name`=&lt;hpa-target-name&gt; | EXPERIMENTAL |
| kube_horizontalpodautoscaler_annotations | Gauge | Kubernetes annotations converted to Prometheus labels controlled via [--metric-annotations-allowlist](../../developer/cli-arguments.md) | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | EXPERIMENTAL |
| kube_horizontalpodautoscaler_labels | Gauge | Kubernetes labels converted to Prometheus labels controlled via [--metric-labels-allowlist](../../developer/cli-arguments.md) | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_metadata_generation | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_spec_max_replicas | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_spec_min_replicas | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_spec_target_metric | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `metric_name`=&lt;metric-name&gt; <br> `metric_target_type`=&lt;value\|utilization\|average&gt; | EXPERIMENTAL |
| kube_horizontalpodautoscaler_status_target_metric | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `metric_name`=&lt;metric-name&gt; <br> `metric_target_type`=&lt;value\|utilization\|average&gt; | EXPERIMENTAL |
| kube_horizontalpodautoscaler_status_condition | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `condition`=&lt;hpa-condition&gt; <br> `status`=&lt;true\|false\|unknown&gt; | STABLE |
| kube_horizontalpodautoscaler_status_current_replicas | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_status_desired_replicas | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| Metric name | Metric type | Description | Labels/tags | Status |
| ---------------------------------------------------------------| ----------- | --------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------ |
| kube_horizontalpodautoscaler_info | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `scaletargetref_api_version`=&lt;hpa-target-api-version&gt; <br> `scaletargetref_kind`=&lt;hpa-target-kind&gt; <br> `scaletargetref_name`=&lt;hpa-target-name&gt; | EXPERIMENTAL |
| kube_horizontalpodautoscaler_annotations | Gauge | Kubernetes annotations converted to Prometheus labels controlled via [--metric-annotations-allowlist](../../developer/cli-arguments.md) | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | EXPERIMENTAL |
| kube_horizontalpodautoscaler_labels | Gauge | Kubernetes labels converted to Prometheus labels controlled via [--metric-labels-allowlist](../../developer/cli-arguments.md) | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_metadata_generation | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_spec_max_replicas | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_spec_min_replicas | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_spec_target_metric | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `metric_name`=&lt;metric-name&gt; <br> `metric_target_type`=&lt;value\|utilization\|average&gt; | EXPERIMENTAL |
| kube_horizontalpodautoscaler_spec_target_container_metric | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `metric_name`=&lt;metric-name&gt; <br> `metric_target_type`=&lt;value\|utilization\|average&gt; <br> `container`=<container_name> | EXPERIMENTAL |
| kube_horizontalpodautoscaler_spec_target_object_metric | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `metric_name`=&lt;metric-name&gt; <br> `metric_target_type`=&lt;value\|utilization\|average&gt; <br> `full_target_name`=<full_target_name> | EXPERIMENTAL |
| kube_horizontalpodautoscaler_status_target_metric | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `metric_name`=&lt;metric-name&gt; <br> `metric_target_type`=&lt;value\|utilization\|average&gt; | EXPERIMENTAL |
| kube_horizontalpodautoscaler_status_target_container_metric | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `metric_name`=&lt;metric-name&gt; <br> `metric_target_type`=&lt;value\|utilization\|average&gt; <br> `container`=<container_name> | EXPERIMENTAL |
| kube_horizontalpodautoscaler_status_target_object_metric | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `metric_name`=&lt;metric-name&gt; <br> `metric_target_type`=&lt;value\|utilization\|average&gt; <br> `full_target_name`=<full_target_name> | EXPERIMENTAL |
| kube_horizontalpodautoscaler_status_condition | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; <br> `condition`=&lt;hpa-condition&gt; <br> `status`=&lt;true\|false\|unknown&gt; | STABLE |
| kube_horizontalpodautoscaler_status_current_replicas | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
| kube_horizontalpodautoscaler_status_desired_replicas | Gauge | | `horizontalpodautoscaler`=&lt;hpa-name&gt; <br> `namespace`=&lt;hpa-namespace&gt; | STABLE |
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