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authork8s-merge-robot <k8s.production.user@gmail.com>2015-11-09 07:49:25 -0800
committerk8s-merge-robot <k8s.production.user@gmail.com>2015-11-09 07:49:25 -0800
commit738e970f8ae62a3ac2fb294a93a5a50af0bb8f0a (patch)
tree7734a8202ee5e88563f6786f6d225343dd55df0e
parent2d5ff32da38a2f7f9f531d79d8f42ef3f56e6a49 (diff)
parent0f458971f63a60aa749ba0133e0e762b58bdca6c (diff)
Merge pull request #16754 from janetkuo/doc-for-doc
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+<!-- BEGIN MUNGE: UNVERSIONED_WARNING -->
+
+<!-- BEGIN STRIP_FOR_RELEASE -->
+
+<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
+ width="25" height="25">
+<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
+ width="25" height="25">
+<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
+ width="25" height="25">
+<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
+ width="25" height="25">
+<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
+ width="25" height="25">
+
+<h2>PLEASE NOTE: This document applies to the HEAD of the source tree</h2>
+
+If you are using a released version of Kubernetes, you should
+refer to the docs that go with that version.
+
+<strong>
+The latest 1.0.x release of this document can be found
+[here](http://releases.k8s.io/release-1.0/docs/devel/how-to-doc.md).
+
+Documentation for other releases can be found at
+[releases.k8s.io](http://releases.k8s.io).
+</strong>
+--
+
+<!-- END STRIP_FOR_RELEASE -->
+
+<!-- END MUNGE: UNVERSIONED_WARNING -->
+
+# Document Conventions
+
+Updated: 11/3/2015
+
+*This document is oriented at users and developers who want to write documents for Kubernetes.*
+
+**Table of Contents**
+<!-- BEGIN MUNGE: GENERATED_TOC -->
+
+- [Document Conventions](#document-conventions)
+ - [General Concepts](#general-concepts)
+ - [How to Get a Table of Contents](#how-to-get-a-table-of-contents)
+ - [How to Write Links](#how-to-write-links)
+ - [How to Include an Example](#how-to-include-an-example)
+ - [Misc.](#misc)
+ - [Code formatting](#code-formatting)
+ - [Syntax Highlighting](#syntax-highlighting)
+ - [Headings](#headings)
+ - [What Are Mungers?](#what-are-mungers)
+ - [Auto-added Mungers](#auto-added-mungers)
+ - [Unversioned Warning](#unversioned-warning)
+ - [Is Versioned](#is-versioned)
+ - [Generate Analytics](#generate-analytics)
+
+<!-- END MUNGE: GENERATED_TOC -->
+
+## General Concepts
+
+Each document needs to be munged to ensure its format is correct, links are valid, etc. To munge a document, simply run `hack/update-generated-docs.sh`. We verify that all documents have been munged using `hack/verify-generated-docs.sh`. The scripts for munging documents are called mungers, see the [mungers section](#what-are-mungers) below if you're curious about how mungers are implemented or if you want to write one.
+
+## How to Get a Table of Contents
+
+Instead of writing table of contents by hand, insert the following code in your md file:
+
+```
+<!-- BEGIN MUNGE: GENERATED_TOC -->
+<!-- END MUNGE: GENERATED_TOC -->
+```
+
+After running `hack/update-generated-docs.sh`, you'll see a table of contents generated for you, layered based on the headings.
+
+## How to Write Links
+
+It's important to follow the rules when writing links. It helps us correctly versionize documents for each release.
+
+Use inline links instead of urls at all times. When you add internal links to `docs/` or `examples/`, use relative links; otherwise, use `http://releases.k8s.io/HEAD/<path/to/link>`. For example, avoid using:
+
+```
+[GCE](https://github.com/kubernetes/kubernetes/blob/master/docs/getting-started-guides/gce.md) # note that it's under docs/
+[Kubernetes package](../../pkg/) # note that it's under pkg/
+http://kubernetes.io/ # external link
+```
+
+Instead, use:
+
+```
+[GCE](../getting-started-guides/gce.md) # note that it's under docs/
+[Kubernetes package](http://releases.k8s.io/HEAD/pkg/) # note that it's under pkg/
+[Kubernetes](http://kubernetes.io/) # external link
+```
+
+The above example generates the following links: [GCE](../getting-started-guides/gce.md), [Kubernetes package](http://releases.k8s.io/HEAD/pkg/), and [Kubernetes](http://kubernetes.io/).
+
+## How to Include an Example
+
+While writing examples, you may want to show the content of certain example files (e.g. [pod.yaml](../user-guide/pod.yaml)). In this case, insert the following code in the md file:
+
+```
+<!-- BEGIN MUNGE: EXAMPLE path/to/file -->
+<!-- END MUNGE: EXAMPLE path/to/file -->
+```
+
+Note that you should replace `path/to/file` with the relative path to the example file. Then `hack/update-generated-docs.sh` will generate a code block with the content of the specified file, and a link to download it. This way, you save the time to do the copy-and-paste; what's better, the content won't become out-of-date every time you update the example file.
+
+For example, the following:
+
+```
+<!-- BEGIN MUNGE: EXAMPLE ../user-guide/pod.yaml -->
+<!-- END MUNGE: EXAMPLE ../user-guide/pod.yaml -->
+```
+
+generates the following after `hack/update-generated-docs.sh`:
+
+<!-- BEGIN MUNGE: EXAMPLE ../user-guide/pod.yaml -->
+
+```yaml
+apiVersion: v1
+kind: Pod
+metadata:
+ name: nginx
+ labels:
+ app: nginx
+spec:
+ containers:
+ - name: nginx
+ image: nginx
+ ports:
+ - containerPort: 80
+```
+
+[Download example](../user-guide/pod.yaml?raw=true)
+<!-- END MUNGE: EXAMPLE ../user-guide/pod.yaml -->
+
+## Misc.
+
+### Code formatting
+
+Wrap a span of code with single backticks (`` ` ``). To format multiple lines of code as its own code block, use triple backticks (```` ``` ````).
+
+### Syntax Highlighting
+
+Adding syntax highlighting to code blocks improves readability. To do so, in your fenced block, add an optional language identifier. Some useful identifier includes `yaml`, `console` (for console output), and `sh` (for shell quote format). Note that in a console output, put `$ ` at the beginning of each command and put nothing at the beginning of the output. Here's an example of console code block:
+
+```
+```console
+
+$ kubectl create -f docs/user-guide/pod.yaml
+pod "foo" created
+
+``` 
+```
+
+which renders as:
+
+```console
+$ kubectl create -f docs/user-guide/pod.yaml
+pod "foo" created
+```
+
+### Headings
+
+Add a single `#` before the document title to create a title heading, and add `##` to the next level of section title, and so on. Note that the number of `#` will determine the size of the heading.
+
+## What Are Mungers?
+
+Mungers are like gofmt for md docs which we use to format documents. To use it, simply place
+
+```
+<!-- BEGIN MUNGE: xxxx -->
+<!-- END MUNGE: xxxx -->
+```
+
+in your md files. Note that xxxx is the placeholder for a specific munger. Appropriate content will be generated and inserted between two brackets after you run `hack/update-generated-docs.sh`. See [munger document](http://releases.k8s.io/HEAD/cmd/mungedocs/) for more details.
+
+## Auto-added Mungers
+
+After running `hack/update-generated-docs.sh`, you may see some code / mungers in your md file that are auto-added. You don't have to add them manually. It's recommended to just read this section as a reference instead of messing up with the following mungers.
+
+### Unversioned Warning
+
+UNVERSIONED_WARNING munger inserts unversioned warning which warns the users when they're reading the document from HEAD and informs them where to find the corresponding document for a specific release.
+
+```
+<!-- BEGIN MUNGE: UNVERSIONED_WARNING -->
+
+<!-- BEGIN STRIP_FOR_RELEASE -->
+<!-- END STRIP_FOR_RELEASE -->
+
+<!-- END MUNGE: UNVERSIONED_WARNING -->
+```
+
+### Is Versioned
+
+IS_VERSIONED munger inserts `IS_VERSIONED` tag in documents in each release, which stops UNVERSIONED_WARNING munger from inserting warning messages.
+
+```
+<!-- BEGIN MUNGE: IS_VERSIONED -->
+<!-- TAG IS_VERSIONED -->
+<!-- END MUNGE: IS_VERSIONED -->
+```
+
+### Generate Analytics
+
+ANALYTICS munger inserts a Google Anaylytics link for this page.
+
+```
+<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
+<!-- END MUNGE: GENERATED_ANALYTICS -->
+```
+
+<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
+[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/devel/how-to-doc.md?pixel)]()
+<!-- END MUNGE: GENERATED_ANALYTICS -->