Add concept page about Controllers (#15733)

* Add controller concept

* Fix controller glossary entries

* Link from Understanding Kubernetes Objects to Controllers
This commit is contained in:
Tim Bannister
2019-10-02 18:06:08 +01:00
committed by Kubernetes Prow Robot
parent bf83aaf699
commit 9a7b191bcc
14 changed files with 203 additions and 31 deletions
@@ -13,10 +13,10 @@ weight: 30
{{% capture overview %}}
A _Deployment_ controller provides declarative updates for [Pods](/docs/concepts/workloads/pods/pod/) and
A _Deployment_ provides declarative updates for [Pods](/docs/concepts/workloads/pods/pod/) and
[ReplicaSets](/docs/concepts/workloads/controllers/replicaset/).
You describe a _desired state_ in a Deployment, and the Deployment controller changes the actual state to the desired state at a controlled rate. You can define Deployments to create new ReplicaSets, or to remove existing Deployments and adopt all their resources with new Deployments.
You describe a _desired state_ in a Deployment, and the Deployment {{< glossary_tooltip term_id="controller" >}} changes the actual state to the desired state at a controlled rate. You can define Deployments to create new ReplicaSets, or to remove existing Deployments and adopt all their resources with new Deployments.
{{< note >}}
Do not manage ReplicaSets owned by a Deployment. Consider opening an issue in the main Kubernetes repository if your use case is not covered below.