Refactor component to use projectsyn/jsonnet-libs's alerts.libsonnet

component/main.jsonnet

@@ -1,6 +1,6 @@
 // main template for rollout-operator
+local alertpatching = import 'lib/alert-patching.libsonnet';
 local kap = import 'lib/kapitan.libjsonnet';
-local kube = import 'lib/kube.libjsonnet';
 local prom = import 'lib/prom.libsonnet';
 local inv = kap.inventory();
 
@@ -31,8 +31,11 @@ local prometheusRules = prom.generateRules('rollout-operator', { 'rollout-operat
   },
 };
 
+local has_monitoring = std.member(inv.applications, 'prometheus') || std.member(inv.applications, 'openshift4-monitoring');
+local has_alerts = std.length(params.alerts.rules) > 0;
+
 // Define outputs below
 {
   '00_namespace': namespace,
-  [if params.monitoring then '20_prometheus_rule']: prometheusRules,
+  [if params.monitoring && has_monitoring && has_alerts then '20_prometheus_rule']: prometheusRules,
 }

tests/defaults.yml

@@ -1,9 +1,15 @@
+applications:
+  - prometheus
+
 parameters:
   kapitan:
     dependencies:
       - type: https
-        source: https://raw.githubusercontent.com/appuio/component-openshift4-monitoring/master/lib/openshift4-monitoring-alert-patching.libsonnet
+        source: https://raw.githubusercontent.com/projectsyn/component-prometheus/master/lib/prometheus-alert-patching.libsonnet
         output_path: vendor/lib/alert-patching.libsonnet
       - type: https
-        source: https://raw.githubusercontent.com/appuio/component-openshift4-monitoring/master/lib/openshift4-monitoring-prom.libsonnet
+        source: https://raw.githubusercontent.com/projectsyn/component-prometheus/master/lib/prometheus-prom.libsonnet
         output_path: vendor/lib/prom.libsonnet
+      - type: https
+        source: https://raw.githubusercontent.com/projectsyn/component-prometheus/master/lib/prometheus.libsonnet
+        output_path: vendor/lib/prometheus.libsonnet

tests/golden/defaults/rollout-operator/rollout-operator/20_prometheus_rule.yaml

@@ -4,6 +4,7 @@ metadata:
   labels:
     app.kubernetes.io/managed-by: commodore
     app.kubernetes.io/name: rollout-operator
+    monitoring.syn.tools/enabled: 'true'
     name: rollout-operator
   name: rollout-operator
   namespace: syn-rollout-operator

tests/openshift.yml

@@ -1,3 +1,6 @@
+applications:
+  - openshift4-monitoring
+
 parameters:
   kapitan:
     dependencies: