Fix listing only namespaces containing OpenTelemetry Collector instan…

…ces. Fixes #3196 (#3197)

Signed-off-by: Israel Blancas <[email protected]>

.chloggen/3196-openshift-dashboard-list-wrong-namespaces.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. collector, target allocator, auto-instrumentation, opamp, github action)
+component: operator
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: "The OpenShift dashboard shown namespaces where PodMonitors or ServiceMonitors were created even if they were not associated to OpenTelemetry Collectors."
+
+# One or more tracking issues related to the change
+issues: [3196]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext: "Now, the dashboard lists only those namespaces where there are OpenTelemetry Collectors."

internal/openshift/dashboards/metrics-dashboard.json

@@ -989,14 +989,14 @@
           "value": "kube-system"
         },
         "datasource": "$datasource",
-        "definition": "label_values(container_network_receive_packets_total, namespace)",
+        "definition": "label_values(otelcol_process_runtime_heap_alloc_bytes, namespace)",
         "hide": 0,
         "includeAll": true,
         "label": null,
         "multi": false,
         "name": "namespace",
         "options": [],
-        "query": "label_values(container_network_receive_packets_total, namespace)",
+        "query": "label_values(otelcol_process_runtime_heap_alloc_bytes, namespace)",
         "refresh": 2,
         "regex": "",
         "skipUrlSync": false,