Fix: Use dependencies scope for truecharts prometheus-operator (#9)

Fixes an issue where truecharts prometheus operator version and
repository values where not accessible because they were not under the
`dependencies` scope.

charts/iperf3-monitor/Chart.yaml

@@ -27,4 +27,8 @@ dependencies:
   - name: kube-prometheus-stack # Example dependency if you package the whole stack
     version: ">=30.0.0" # Specify a compatible version range
     repository: https://prometheus-community.github.io/helm-charts
-    condition: serviceMonitor.enabled # Only include if ServiceMonitor is enabled (assuming Prometheus Operator)
+    condition: "serviceMonitor.enabled, !dependencies.useTrueChartsPrometheusOperator"
+  - name: prometheus-operator
+    version: ">={{ dependencies.trueChartsPrometheusOperatorVersion }}"
+    repository: "{{ dependencies.trueChartsPrometheusOperatorRepository }}"
+    condition: "serviceMonitor.enabled, dependencies.useTrueChartsPrometheusOperator"

charts/iperf3-monitor/values.yaml

@@ -118,3 +118,20 @@ networkPolicy:
   namespaceSelector: {}
   # -- Specify pod selectors if needed.
   podSelector: {}
+
+# -----------------------------------------------------------------------------
+# Dependency Configuration
+# -----------------------------------------------------------------------------
+dependencies:
+  # -- Set to true to use the TrueCharts Prometheus Operator instead of kube-prometheus-stack.
+  # This chart's ServiceMonitor resources require a Prometheus Operator to be functional.
+  # If serviceMonitor.enabled is true, one of these two dependencies will be pulled based on this flag.
+  useTrueChartsPrometheusOperator: false
+
+  # -- Repository for the TrueCharts Prometheus Operator.
+  # Only used if dependencies.useTrueChartsPrometheusOperator is true.
+  trueChartsPrometheusOperatorRepository: "oci://tccr.io/truecharts"
+
+  # -- Chart version for the TrueCharts Prometheus Operator.
+  # Only used if dependencies.useTrueChartsPrometheusOperator is true.
+  trueChartsPrometheusOperatorVersion: "8.11.1"