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ialidzhikov Add note about addon-manager image location
Signed-off-by: ialidzhikov <i.alidjikov@gmail.com>
Latest commit 84b3608 Oct 18, 2019
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addon-manager Add note about addon-manager image location Oct 18, 2019
calico-policy-controller Update Calico to v3.8.3 Oct 14, 2019
cluster-loadbalancing The default-http-backend for handling 404 pages will now point to 404… Jun 17, 2019
cluster-monitoring Introduce sig-instrumentation aliases in OWNERS_ALISES and simplify O… Oct 10, 2019
dashboard Rename dashboard-controller.yaml to dashboard-deployment.yaml Oct 15, 2019
device-plugins/nvidia-gpu feat: cleanup pod critical pod annotations feature Aug 9, 2019
dns-horizontal-autoscaler Bump cluster proportional autoscaler to 1.7.1 Aug 26, 2019
dns Use latest node-cache version with stubdomain fix. Oct 10, 2019
fluentd-elasticsearch Merge pull request #80437 from webwurst/patch-1 Oct 16, 2019
fluentd-gcp Introduce sig-instrumentation aliases in OWNERS_ALISES and simplify O… Oct 10, 2019
ip-masq-agent feat: cleanup pod critical pod annotations feature Aug 9, 2019
kube-proxy Offical kubernetes dashboard should schedule to linux node Sep 22, 2019
metadata-agent Introduce sig-instrumentation aliases in OWNERS_ALISES and simplify O… Oct 10, 2019
metadata-proxy feat: cleanup pod critical pod annotations feature Aug 9, 2019
metrics-server bump metrics server version o v0.3.6 Oct 14, 2019
node-problem-detector Update NPD addon to use v0.7.1 Aug 29, 2019
prometheus Bump addon-resizer to 1.8.6 Sep 26, 2019
rbac Add read-only rbac for csinodes to cluster-autoscaler Sep 6, 2019
storage-class Merge pull request #75638 from ramnar/bugfix_24thMarch Jun 20, 2019
BUILD Update repo-infra, bazel-skylib, rules_docker, and rules_go dependencies Feb 13, 2019
README.md Updated cluster/addons readme to match and point to docs Oct 18, 2017

README.md

Legacy Cluster add-ons

For more information on add-ons see the documentation.

Overview

Cluster add-ons are resources like Services and Deployments (with pods) that are shipped with the Kubernetes binaries and are considered an inherent part of the Kubernetes clusters.

There are currently two classes of add-ons:

  • Add-ons that will be reconciled.
  • Add-ons that will be created if they don't exist.

More details could be found in addon-manager/README.md.

Cooperating Horizontal / Vertical Auto-Scaling with "reconcile class addons"

"Reconcile" class addons will be periodically reconciled to the original state given by the initial config. In order to make Horizontal / Vertical Auto-scaling functional, the related fields in config should be left unset. More specifically, leave replicas in ReplicationController / Deployment / ReplicaSet unset for Horizontal Scaling, leave resources for container unset for Vertical Scaling. The periodic reconcile won't clobbered these fields, hence they could be managed by Horizontal / Vertical Auto-scaler.

Add-on naming

The suggested naming for most of the resources is <basename> (with no version number). Though resources like Pod, ReplicationController and DaemonSet are exceptional. It would be hard to update Pod because many fields in Pod are immutable. For ReplicationController and DaemonSet, in-place update may not trigger the underlying pods to be re-created. You probably need to change their names during update to trigger a complete deletion and creation.

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