Merge pull request #1072 from dgrisonnet/platform-patch

Allow configuring the platform used directly instead of having to use a patch

jsonnet/kube-prometheus/main.libsonnet

@@ -9,6 +9,8 @@ local prometheusAdapter = import './components/prometheus-adapter.libsonnet';
 local prometheusOperator = import './components/prometheus-operator.libsonnet';
 local prometheus = import './components/prometheus.libsonnet';
 
+local platformPatch = import './platforms/platforms.libsonnet';
+
 {
   // using `values` as this is similar to helm
   values:: {
@@ -104,6 +106,7 @@ local prometheus = import './components/prometheus.libsonnet';
     kubePrometheus: {
       namespace: $.values.common.namespace,
       mixin+: { ruleLabels: $.values.common.ruleLabels },
+      platform: null,
     },
   },
 
@@ -125,4 +128,4 @@ local prometheus = import './components/prometheus.libsonnet';
       },
     },
   },
-}
+} + platformPatch

jsonnet/kube-prometheus/platforms/README.md

@@ -0,0 +1,3 @@
+# Adding a new platform specific configuration
+
+Adding a new platform specific configuration requires to update the [README](../../../README.md#cluster-creation-tools) and the [platforms.jsonnet](./platform.jsonnet) file by adding the platform to the list of existing ones. This allow the new platform to be discoverable and easily configurable by the users.

jsonnet/kube-prometheus/platforms/platforms.libsonnet

@@ -0,0 +1,41 @@
+local platforms = {
+  aws: import './aws.libsonnet',
+  bootkube: import './bootkube.libsonnet',
+  gke: import './gke.libsonnet',
+  eks: import './eks.libsonnet',
+  kops: import './kops.libsonnet',
+  kops_coredns: (import './kops.libsonnet') + (import './kops-coredns.libsonnet'),
+  kubeadm: import './kubeadm.libsonnet',
+  kubespray: import './kubespray.libsonnet',
+};
+
+// platformPatch returns the platform specific patch associated to the given
+// platform.
+local platformPatch(p) = if p != null && std.objectHas(platforms, p) then platforms[p] else {};
+
+{
+  // initialize the object to prevent "Indexed object has no field" lint errors
+  local p = {
+    alertmanager: {},
+    blackboxExporter: {},
+    grafana: {},
+    kubeStateMetrics: {},
+    nodeExporter: {},
+    prometheus: {},
+    prometheusAdapter: {},
+    prometheusOperator: {},
+    kubernetesControlPlane: {},
+    kubePrometheus: {},
+  } + platformPatch($.values.kubePrometheus.platform),
+
+  alertmanager+: p.alertmanager,
+  blackboxExporter+: p.blackboxExporter,
+  grafana+: p.grafana,
+  kubeStateMetrics+: p.kubeStateMetrics,
+  nodeExporter+: p.nodeExporter,
+  prometheus+: p.prometheus,
+  prometheusAdapter+: p.prometheusAdapter,
+  prometheusOperator+: p.prometheusOperator,
+  kubernetesControlPlane+: p.kubernetesControlPlane,
+  kubePrometheus+: p.kubePrometheus,
+}