K8s App Metrics

Overview

K8s App Metrics uses the Prometheus scraper + Target Allocator to scrape application metrics from Prometheus endpoints in Kubernetes. Automatically discovers targets via ServiceMonitor/PodMonitor CRDs (prometheus_cr_enabled=true).

Supported platforms

• Kubernetes: Metrics

Deployment Configuration

Parameter	Type	Default	Required	Description
replicas	string	1	No	1, "3", "5", "auto" (HPA).
priorityClass	boolean	false	No	Enable priority class for StatefulSet.
priorityClassName	string	—	Conditional	Required when priorityClass=true.
apply_tolerations	boolean	false	No	Ignore node taints.

Scrape Target Configuration

Parameter	Type	Default	Required	Description
prometheus_cr_enabled	boolean	true	No	Auto-discover ServiceMonitor/PodMonitor CRDs via Target Allocator.
trim_metric_suffixes	boolean	false	No	Strip unit suffixes from metric names.
scrape_configs	array	[]	No	Manual Prometheus scrape_configs (static/SD targets). Merges with CRDs.

Example Configuration

{
  // Deployment Configuration
  "replicas": "3",
  "priorityClass": true,
  "priorityClassName": "system-cluster-critical",
  "apply_tolerations": false,

  // Scrape Target Configuration
  "prometheus_cr_enabled": true,
  "trim_metric_suffixes": true,

  // Optional manual targets (merges with CRDs)
  "scrape_configs": [
    {
      "job_name": "static-app",
      "static_configs": [{ "targets": ["app:8080"] }],
    },
  ],
}