jsonnet/kube-prometheus: create k8s control plane component

* Extract ServiceMonitors related to k8s control plane from prometheus
object into separate one
* Add kubernetes-mixin to new object

Signed-off-by: paulfantom <pawel@krupa.net.pl>

jsonnet/kube-prometheus/components/mixin/kubernetes.libsonnet

@@ -1,49 +0,0 @@
-local defaults = {
-  name: 'kubernetes',
-  namespace: error 'must provide namespace',
-  commonLabels:: {
-    'app.kubernetes.io/name': 'kube-prometheus',
-    'app.kubernetes.io/component': 'exporter',
-    'app.kubernetes.io/part-of': 'kube-prometheus',
-  },
-  mixin: {
-    ruleLabels: {},
-    _config: {
-      cadvisorSelector: 'job="kubelet", metrics_path="/metrics/cadvisor"',
-      kubeletSelector: 'job="kubelet", metrics_path="/metrics"',
-      kubeStateMetricsSelector: 'job="kube-state-metrics"',
-      nodeExporterSelector: 'job="node-exporter"',
-      kubeSchedulerSelector: 'job="kube-scheduler"',
-      kubeControllerManagerSelector: 'job="kube-controller-manager"',
-      kubeApiserverSelector: 'job="apiserver"',
-      podLabel: 'pod',
-      runbookURLPattern: 'https://github.com/prometheus-operator/kube-prometheus/wiki/%s',
-      diskDeviceSelector: 'device=~"mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|dasd.+"',
-      hostNetworkInterfaceSelector: 'device!~"veth.+"',
-    },
-  },
-};
-
-function(params) {
-  local m = self,
-  config:: defaults + params,
-
-  mixin:: (import 'github.com/kubernetes-monitoring/kubernetes-mixin/mixin.libsonnet') {
-    _config+:: m.config.mixin._config,
-  },
-
-  prometheusRule: {
-    apiVersion: 'monitoring.coreos.com/v1',
-    kind: 'PrometheusRule',
-    metadata: {
-      labels: m.config.commonLabels + m.config.mixin.ruleLabels,
-      name: m.config.name + '-rules',
-      namespace: m.config.namespace,
-    },
-    spec: {
-      local r = if std.objectHasAll(m.mixin, 'prometheusRules') then m.mixin.prometheusRules.groups else {},
-      local a = if std.objectHasAll(m.mixin, 'prometheusAlerts') then m.mixin.prometheusAlerts.groups else {},
-      groups: a + r,
-    },
-  },
-}