Update example config

kubelet/assets/configuration/spec.yaml

@@ -0,0 +1,48 @@
+name: Kubelet
+files:
+- name: kubelet.yaml
+  options:
+  - template: init_config
+    options:
+      - template: init_config/openmetrics_legacy
+  - template: instances
+    options:
+    - name: cadvisor_metrics_endpoint
+      description: |
+        1.7.6+ clusters expose container metrics in the prometheus format.
+        This is the default setting. See next section for legacy clusters.
+
+        URL of the cadvisor metrics prometheus endpoint.
+        Pass an empty string, or set the cadvisor_port option to disable cadvisor metrics collection.
+      example: http://10.8.0.1:10255/metrics/cadvisor
+    - name: kubelet_metrics_endpoint
+      description: |
+        URL of the kubelet metrics prometheus endpoint
+        Pass an empty string to disable kubelet metrics collection.
+      example: http://10.8.0.1:10255/metrics
+    - name: cadvisor_port
+      description: |
+        Metric collection for legacy (< 1.7.6) clusters via the kubelet's cadvisor port.
+        This port is closed by default on k8s 1.7+ and OpenShift, enable it
+        via the `--cadvisor-port=4194` kubelet option.
+
+        Port to connect to, uncomment and set accordingly to enable collection.
+      example: 4194
+    - name: enabled_rates
+      description: |
+        Allow list of rate type metrics to collect from cadvisor.
+      example:
+        - cpu.*
+        - network.*
+    - name: enabled_gauges
+      description: |
+        Allow list of gauge type metrics to collect from cadvisor.
+      example:
+        - filesystem.*
+    - template: instances/openmetrics_legacy
+      overrides:
+        prometheus_url.required: false
+        prometheus_url.hidden: true
+        prometheus_metrics_prefix.hidden: true
+        min_collection_interval.value.example: 20
+        min_collection_interval.enabled: true