*: add test of mixin addition in examples/; change config to _config in addMixin to be consistent with main components

examples/mixin-inclusion.jsonnet

@@ -0,0 +1,30 @@
+local addMixin = (import 'kube-prometheus/lib/mixin.libsonnet');
+local etcdMixin = addMixin({
+  name: 'etcd',
+  mixin: (import 'github.com/etcd-io/etcd/contrib/mixin/mixin.libsonnet') + {
+    _config+: {},  // mixin configuration object
+  },
+});
+
+local kp = (import 'kube-prometheus/main.libsonnet') +
+           {
+             values+:: {
+               common+: {
+                 namespace: 'monitoring',
+               },
+               grafana+: {
+                 // Adding new dashboard to grafana. This will modify grafana configMap with dashboards
+                 dashboards+: etcdMixin.grafanaDashboards,
+               },
+             },
+           };
+
+{ ['00namespace-' + name]: kp.kubePrometheus[name] for name in std.objectFields(kp.kubePrometheus) } +
+{ ['0prometheus-operator-' + name]: kp.prometheusOperator[name] for name in std.objectFields(kp.prometheusOperator) } +
+{ ['node-exporter-' + name]: kp.nodeExporter[name] for name in std.objectFields(kp.nodeExporter) } +
+{ ['kube-state-metrics-' + name]: kp.kubeStateMetrics[name] for name in std.objectFields(kp.kubeStateMetrics) } +
+{ ['alertmanager-' + name]: kp.alertmanager[name] for name in std.objectFields(kp.alertmanager) } +
+{ ['prometheus-' + name]: kp.prometheus[name] for name in std.objectFields(kp.prometheus) } +
+{ ['grafana-' + name]: kp.grafana[name] for name in std.objectFields(kp.grafana) } +
+// Rendering prometheusRules object. This is an object compatible with prometheus-operator CRD definition for prometheusRule
+{ 'external-mixins/etcd-mixin-prometheus-rules': etcdMixin.prometheusRules }