From 14d0604aba95c7bb434f3a7687f7903bbe4fd81f Mon Sep 17 00:00:00 2001
From: Jorrit Salverda <JorritSalverda@users.noreply.github.com>
Date: Tue, 9 May 2017 13:57:49 +0200
Subject: [PATCH] Kubernetes config scrape node via api proxy (#2641)

* scrape kubelet metrics via api node proxy

* add manifests to setup serviceaccount, clusterrole and clusterrolebinding to work with rbac

* removed .cluster.local and added newline to address comments
---
 .../examples/prometheus-kubernetes.yml        |  6 ++++
 documentation/examples/rbac-setup.yml         | 34 +++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 documentation/examples/rbac-setup.yml

diff --git a/documentation/examples/prometheus-kubernetes.yml b/documentation/examples/prometheus-kubernetes.yml
index 50834ec72..8ddcdb12e 100644
--- a/documentation/examples/prometheus-kubernetes.yml
+++ b/documentation/examples/prometheus-kubernetes.yml
@@ -76,6 +76,12 @@ scrape_configs:
   relabel_configs:
   - action: labelmap
     regex: __meta_kubernetes_node_label_(.+)
+  - target_label: __address__
+    replacement: kubernetes.default.svc:443
+  - source_labels: [__meta_kubernetes_node_name]
+    regex: (.+)
+    target_label: __metrics_path__
+    replacement: /api/v1/nodes/${1}/proxy/metrics
 
 # Scrape config for service endpoints.
 #
diff --git a/documentation/examples/rbac-setup.yml b/documentation/examples/rbac-setup.yml
new file mode 100644
index 000000000..8efed4ca1
--- /dev/null
+++ b/documentation/examples/rbac-setup.yml
@@ -0,0 +1,34 @@
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: prometheus
+rules:
+- apiGroups: [""]
+  resources:
+  - nodes
+  - nodes/proxy
+  - services
+  - endpoints
+  - pods
+  verbs: ["get", "list", "watch"]
+- nonResourceURLs: ["/metrics"]
+  verbs: ["get"]
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prometheus
+  namespace: default
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: prometheus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: prometheus
+subjects:
+- kind: ServiceAccount
+  name: prometheus
+  namespace: default