Test operator metrics can be scraped by OpenShift Monitoring (#3377)

Author: IshwarKanse

tests/e2e-openshift/monitoring/chainsaw-test.yaml

@@ -1,4 +1,3 @@
-# yaml-language-server: $schema=https://raw.githubusercontent.com/kyverno/chainsaw/main/.schemas/json/test-chainsaw-v1alpha1.json
 apiVersion: chainsaw.kyverno.io/v1alpha1
 kind: Test
 metadata:
@@ -14,6 +13,31 @@ spec:
         file: 00-workload-monitoring.yaml
     - assert:
         file: 00-assert.yaml
+  - name: Enable OpenShift platform monitoring on the OpenTelemetry operator namespace
+    try:
+    - command:
+        entrypoint: oc
+        args:
+        - get
+        - pods
+        - -A
+        - -l control-plane=controller-manager
+        - -l app.kubernetes.io/name=opentelemetry-operator
+        - -o 
+        - jsonpath={.items[0].metadata.namespace}
+        outputs:
+        - name: OTEL_NAMESPACE
+          value: ($stdout)
+    - command:
+        env:
+        - name: otelnamespace
+          value: ($OTEL_NAMESPACE)
+        entrypoint: oc
+        args:
+        - label
+        - namespace
+        - $otelnamespace 
+        - openshift.io/cluster-monitoring=true
   - name: step-01
     try:
     - apply:

tests/e2e-openshift/monitoring/check_metrics.sh

@@ -4,7 +4,7 @@ TOKEN=$(oc create token prometheus-user-workload -n openshift-user-workload-moni
 THANOS_QUERIER_HOST=$(oc get route thanos-querier -n openshift-monitoring -o json | jq -r '.spec.host')
 
 #Check metrics for OpenTelemetry collector instance.
-metrics="otelcol_process_uptime otelcol_process_runtime_total_sys_memory_bytes otelcol_process_memory_rss otelcol_exporter_sent_spans otelcol_process_cpu_seconds otelcol_process_memory_rss otelcol_process_runtime_heap_alloc_bytes otelcol_process_runtime_total_alloc_bytes otelcol_process_runtime_total_sys_memory_bytes otelcol_process_uptime otelcol_receiver_accepted_spans otelcol_receiver_refused_spans"
+metrics="otelcol_process_uptime otelcol_process_runtime_total_sys_memory_bytes otelcol_process_memory_rss otelcol_exporter_sent_spans otelcol_process_cpu_seconds otelcol_process_memory_rss otelcol_process_runtime_heap_alloc_bytes otelcol_process_runtime_total_alloc_bytes otelcol_process_runtime_total_sys_memory_bytes otelcol_process_uptime otelcol_receiver_accepted_spans otelcol_receiver_refused_spans opentelemetry_collector_info opentelemetry_collector_exporters opentelemetry_collector_receivers"
 
 for metric in $metrics; do
 query="$metric"