monitoring-other-namespaces.md

weight	306
toc	true
title	Monitoring other Namespaces
menu	docs parent kube
lead	This guide will help you monitoring applications in other namespaces.
images
draft	false
description	This guide will help you monitoring applications in other namespaces.

By default the RBAC rules are only enabled for the Default and kube-system namespaces.

Setup

You have to give the list of the namespaces that you want to be able to monitor. This is done in the variable prometheus.roleSpecificNamespaces. You usually set this in your .jsonnet file when building the manifests.

Example to create the needed Role and RoleBinding for the Namespace foo :

local kp =
  (import 'kube-prometheus/main.libsonnet') +
  {
    values+:: {
      common+: {
        namespace: 'monitoring',
      },

      prometheus+:: {
        namespaces: ["default", "kube-system", "monitoring", "foo"],
      },
    },
  };

{ 'setup/0namespace-namespace': kp.kubePrometheus.namespace } +
{
  ['setup/prometheus-operator-' + name]: kp.prometheusOperator[name]
  for name in std.filter((function(name) name != 'serviceMonitor' && name != 'prometheusRule'), std.objectFields(kp.prometheusOperator))
} +
// serviceMonitor and prometheusRule are separated so that they can be created after the CRDs are ready
{ 'prometheus-operator-serviceMonitor': kp.prometheusOperator.serviceMonitor } +
{ 'prometheus-operator-prometheusRule': kp.prometheusOperator.prometheusRule } +
{ 'kube-prometheus-prometheusRule': kp.kubePrometheus.prometheusRule } +
{ ['alertmanager-' + name]: kp.alertmanager[name] for name in std.objectFields(kp.alertmanager) } +
{ ['blackbox-exporter-' + name]: kp.blackboxExporter[name] for name in std.objectFields(kp.blackboxExporter) } +
{ ['grafana-' + name]: kp.grafana[name] for name in std.objectFields(kp.grafana) } +
{ ['kube-state-metrics-' + name]: kp.kubeStateMetrics[name] for name in std.objectFields(kp.kubeStateMetrics) } +
{ ['kubernetes-' + name]: kp.kubernetesControlPlane[name] for name in std.objectFields(kp.kubernetesControlPlane) }
{ ['node-exporter-' + name]: kp.nodeExporter[name] for name in std.objectFields(kp.nodeExporter) } +
{ ['prometheus-' + name]: kp.prometheus[name] for name in std.objectFields(kp.prometheus) } +
{ ['prometheus-adapter-' + name]: kp.prometheusAdapter[name] for name in std.objectFields(kp.prometheusAdapter) }