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Installing Kubernetes Addons

With kops you manage addons by using kubectl.

(For a description of the addon-manager, please see addon_manager.md.)

Addons in kubernetes are traditionally done by copying files to /etc/kubernetes/addons on the master. But this doesn't really make sense in HA master configurations. We also have kubectl available, and addons is just a thin wrapper over calling kubectl.

This document describes how to install some common addons.

Dashboard

The dashboard project provides a nice administrative UI:

Install using:

kubectl create -f https://raw.githubusercontent.com/kubernetes/kops/master/addons/kubernetes-dashboard/v1.5.0.yaml

And then navigate to https://api.<clustername>/ui

(/ui is an alias to https://<clustername>/api/v1/proxy/namespaces/kube-system/services/kubernetes-dashboard)

The login credentials are:

  • Username: admin
  • Password: get by running kops get secrets kube --type secret -oplaintext or kubectl config view --minify

Monitoring with Heapster - Standalone

Monitoring supports the horizontal pod autoscaler.

Install using:

kubectl create -f https://raw.githubusercontent.com/kubernetes/kops/master/addons/monitoring-standalone/v1.3.0.yaml

Route53 Mapper

Please note that kops installs a Route53 DNS controller automatically (it is required for cluster discovery). The functionality of the route53-mapper overlaps with the dns-controller, but some users will prefer to use one or the other. README for the included dns-controller

route53-mapper automates creation and updating of entries on Route53 with A records pointing to ELB-backed LoadBalancer services created by Kubernetes. Install using:

The project is created by wearemolecule, and maintained at wearemolecule/route53-kubernetes. Usage instructions

kubectl apply -f https://raw.githubusercontent.com/kubernetes/kops/master/addons/route53-mapper/v1.3.0.yml