Add “CNCF” to glossary (#14537)

* Add glossary entry for CNCF

* Use CNCF glossary entry

content/en/docs/contribute/advanced.md

@@ -176,7 +176,7 @@ Responsibilities include:
 - Learn and set best practices for the SIG by updating contribution guidelines
 - Schedule and run SIG meetings: weekly status updates, quarterly retro/planning sessions, and others as needed
 - Schedule and run doc sprints at KubeCon events and other conferences
-- - Recruit for and advocate on behalf of SIG Docs with the CNCF and its platinum partners, including Google, Oracle, Azure, IBM, and Huawei
+- Recruit for and advocate on behalf of SIG Docs with the {{< glossary_tooltip text="CNCF" term_id="cncf" >}} and its platinum partners, including Google, Oracle, Azure, IBM, and Huawei
 - Keep the SIG running smoothly
 
 ### Running effective meetings

content/en/docs/contribute/localization.md

@@ -285,6 +285,6 @@ You can also help add or improve content to an existing localization. Join the [
 Once a localization meets requirements for workflow and minimum output, SIG docs will:
 
 - Enable language selection on the website
-- Publicize the localization's availability through [Cloud Native Computing Foundation](https://www.cncf.io/) (CNCF) channels, including the [Kubernetes blog](https://kubernetes.io/blog/).
+- Publicize the localization's availability through [Cloud Native Computing Foundation](https://www.cncf.io/about/) (CNCF) channels, including the [Kubernetes blog](https://kubernetes.io/blog/).
 
 {{% /capture %}}

content/en/docs/contribute/start.md

@@ -38,7 +38,8 @@ Not all tasks can be done in the GitHub UI, but these are discussed in the
 
 ### Participating in SIG Docs
 
-The Kubernetes documentation is maintained by a Special Interest Group (SIG)
+The Kubernetes documentation is maintained by a
+{{< glossary_tooltip text="Special Interest Group" term_id="sig" >}} (SIG)
 called SIG Docs. We communicate using a Slack channel, a mailing list, and
 weekly video meetings. New participants are welcome. For more information, see
 [Participating in SIG Docs](/docs/contribute/participating/).
@@ -158,7 +159,7 @@ upcoming Kubernetes release, your process is a bit different. See
 process guidelines and information about deadlines.
 {{< /note >}}
 
-### Sign the CLA
+### Sign the CNCF CLA {#sign-the-cla}
 
 Before you can contribute code or documentation to Kubernetes, you **must** read
 the [Contributor guide](https://github.com/kubernetes/community/blob/master/contributors/guide/README.md) and
@@ -342,7 +343,7 @@ or follow the steps below.
 
 Case studies highlight how organizations are using Kubernetes to solve
 real-world problems. They are written in collaboration with the Kubernetes
-marketing team, which is handled by the CNCF.
+marketing team, which is handled by the {{< glossary_tooltip text="CNCF" term_id="cncf" >}}.
 
 Have a look at the source for the
 [existing case studies](https://github.com/kubernetes/website/tree/master/content/en/case-studies).

content/en/docs/reference/glossary/cncf.md

@@ -0,0 +1,23 @@
+---
+title: Cloud Native Computing Foundation (CNCF)
+id: cncf
+date: 2019-05-26
+full_link: https://cncf.io/
+short_description: >
+  Cloud Native Computing Foundation
+
+aka:
+tags:
+- community
+---
+ The Cloud Native Computing Foundation (CNCF) builds sustainable ecosystems and
+ fosters a community around [projects](https://www.cncf.io/projects/) that
+ orchestrate containers as part of a microservices architecture.
+
+Kubernetes is a CNCF project.
+
+<!--more-->
+
+The CNCF is a sub-foundation of [the Linux Foundation](https://www.linuxfoundation.org/).
+Its mission is to make cloud native computing ubiquitous.
+

content/en/docs/setup/production-environment/windows/intro-windows-in-kubernetes.md

@@ -541,7 +541,7 @@ We have a lot of features in our roadmap. An abbreviated high level list is incl
 
 ### CRI-ContainerD
 
-ContainerD is another OCI-compliant runtime that recently graduated as a CNCF project. It's currently tested on Linux, but 1.3 will bring support for Windows and Hyper-V. [[reference](https://blog.docker.com/2019/02/containerd-graduates-within-the-cncf/)]
+{{< glossary_tooltip term_id="containerd" >}} is another OCI-compliant runtime that recently graduated as a {{< glossary_tooltip text="CNCF" term_id="cncf" >}} project. It's currently tested on Linux, but 1.3 will bring support for Windows and Hyper-V. [[reference](https://blog.docker.com/2019/02/containerd-graduates-within-the-cncf/)]
 
 The CRI-ContainerD interface will be able to manage sandboxes based on Hyper-V. This provides a foundation where RuntimeClass could be implemented for new use cases including:
 

content/en/docs/tasks/administer-cluster/coredns.md

@@ -19,7 +19,7 @@ This page describes the CoreDNS upgrade process and how to install CoreDNS inste
 ## About CoreDNS
 
 [CoreDNS](https://coredns.io) is a flexible, extensible DNS server that can serve as the Kubernetes cluster DNS.
-Like Kubernetes, the CoreDNS project is hosted by the [CNCF.](http://www.cncf.io)
+Like Kubernetes, the CoreDNS project is hosted by the {{< glossary_tooltip text="CNCF" term_id="cncf" >}}.
 
 You can use CoreDNS instead of kube-dns in your cluster by replacing kube-dns in an existing
 deployment, or by using tools like kubeadm that will deploy and upgrade the cluster for you.

content/en/docs/user-journeys/users/cluster-operator/intermediate.md

@@ -84,7 +84,7 @@ Start with the [basics on Kubernetes logging](/docs/concepts/cluster-administrat
 Like log aggregation, many clusters utilize additional software to help capture metrics and display them. There is an overview of tools at [Tools for Monitoring Compute, Storage, and Network Resources](/docs/tasks/debug-application-cluster/resource-usage-monitoring/).
 Kubernetes also supports a [resource metrics pipeline](/docs/tasks/debug-application-cluster/resource-metrics-pipeline/) which can be used by Horizontal Pod Autoscaler with custom metrics.
 
-[Prometheus](https://prometheus.io/), which is another CNCF project, is a common choice to support capture and temporary collection of metrics. There are several options for installing Prometheus, including using the [stable/prometheus](https://github.com/kubernetes/charts/tree/master/stable/prometheus) [helm](https://helm.sh/) chart, and CoreOS provides a [prometheus operator](https://github.com/coreos/prometheus-operator) and [kube-prometheus](https://github.com/coreos/prometheus-operator/tree/master/contrib/kube-prometheus), which adds on Grafana dashboards and common configurations.
+[Prometheus](https://prometheus.io/), another {{< glossary_tooltip text="CNCF" term_id="cncf" >}} project, is a common choice to support capture and temporary collection of metrics. There are several options for installing Prometheus, including using the [stable/prometheus](https://github.com/kubernetes/charts/tree/master/stable/prometheus) [helm](https://helm.sh/) chart, and CoreOS provides a [prometheus operator](https://github.com/coreos/prometheus-operator) and [kube-prometheus](https://github.com/coreos/prometheus-operator/tree/master/contrib/kube-prometheus), which adds on Grafana dashboards and common configurations.
 
 A common configuration on [Minikube](https://github.com/kubernetes/minikube) and some Kubernetes clusters uses [Heapster](https://github.com/kubernetes/heapster)
 [along with InfluxDB and Grafana](https://github.com/kubernetes/heapster/blob/master/docs/influxdb.md).