Add 'contrib/kube-prometheus/' from commit '81c0d2f4d30f63a4e274c2870c5afc89241827b0'

git-subtree-dir: contrib/kube-prometheus
git-subtree-mainline: 050ca21276696c8603375c699513ec487301ed62
git-subtree-split: 81c0d2f4d3

hack/cluster-monitoring/teardown

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+if [ -z "${KUBECONFIG}" ]; then
+    export KUBECONFIG=~/.kube/config
+fi
+
+if [ -z "${NAMESPACE}" ]; then
+    NAMESPACE=monitoring
+fi
+
+kctl() {
+    kubectl --namespace "$NAMESPACE" "$@"
+}
+
+kctl delete -f manifests/exporters
+kctl delete -f manifests/grafana
+kctl delete -f manifests/prometheus
+kctl delete -f manifests/alertmanager
+
+# Hack: wait a bit to let the controller delete the deployed Prometheus server.
+sleep 5
+
+kctl delete -f manifests/prometheus-operator.yaml
+