pulumi/pkg/codegen/docs
Praneet Loke edbb05dddd
Update schema-based docs generator (#4035)
* Update properties.tmpl to render property comment as-is. WIP splitting out properties to lang-specific tables.

* Generate the constructor dynamically from the resource per language.

* Add doc functions in each language generator package for getting doc links for types..and later other functions too.

* Render the constructor params in the Go code and inject into the template.

* Generate nodejs types using the nodejs lang generator.

* Add a templates bundler. Added a new Make target for autogenerating a static bundle for the resource docs generator.

* Generate type links for all languages based on their schema type. Render the property type with a link if the underlying elements have a supporting type. Fix word-breaks for Python type names.

* Various changes including the introduction of an interface type under the codegen package to help with generating some language-specific information for the resource docs generator.

* Add a function to explicitly generate links for input types of nested types. Fix the resource doc link generator for Go. Don't replace the module name from the nodejs language type.

* Fix bug with C# property type html encoding.

* Fix some template formatting. Pass the state inputs for Python to generate the lookup function for it.
* Do not generate the examples section if there are none.

* Generating the property types per language.

* Formatting. Rename function for readability.

* Add comments. Update README.

* Use relative URLs for doc links within the main site
2020-03-09 10:35:20 -07:00
..
templates Update schema-based docs generator (#4035) 2020-03-09 10:35:20 -07:00
.gitignore Update schema-based docs generator (#4035) 2020-03-09 10:35:20 -07:00
bundler.go Update schema-based docs generator (#4035) 2020-03-09 10:35:20 -07:00
gen.go Update schema-based docs generator (#4035) 2020-03-09 10:35:20 -07:00
README.md Update schema-based docs generator (#4035) 2020-03-09 10:35:20 -07:00
utils.go Update schema-based docs generator (#4035) 2020-03-09 10:35:20 -07:00
utils_test.go Update schema-based docs generator (#4035) 2020-03-09 10:35:20 -07:00

Docs generator

This generator generates resource-level docs by utilizing the Pulumi schema.

Crash course on templates

The templates use Go's built-in html/template package to process templates with data. The driver for this doc generator (e.g. tfbridge for TF-based providers) then persists each file from memory onto the disk as .md files.

Although we are using the html/template package, it has the same exact interface as the text/template package, except for some HTML specific things. Therefore, all of the functions available in the text/template package are also available with the html/template package.

  • Data can be injected using {{.PropertyName}}.
  • Nested properties can be accessed using the dot notation, i.e. {{.Property1.Property2}}.
  • Templates can inject other templates using the {{template "template_name"}} directive.
    • For this to work, you will need to first define the named template using {{define "template_name"}}.
  • You can pass data to nested templates by simply passing an argument after the template's name.
  • To remove whitespace from injected values, use the - in the template tags.
    • For example, {{if .SomeBool}} some text {{- else}} some other text {{- end}}. Note the use of - to eliminate whitespace from the enclosing text.
    • Read more here.
  • To render un-encoded content use the custom global function htmlSafe.
    • Note: This should only be used if you know for sure you are not injecting any user-generated content, as it by-passes the HTML encoding.
  • To print regular strings, that share the same syntax as the Go templating engine, use the built-in global function print function.
    • For example, if you need to render {{% md %}}, you will instead need to do {{print "{{% md %}}"}}.

Learn more from here: https://curtisvermeeren.github.io/2017/09/14/Golang-Templates-Cheatsheet

bundler.go

This file contains a main function and is part of the main package. We run it using the go generate command (see the Makefile and the starting comment in pkg/codegen/gen.go).

This file is ignored using a +build ignore comment at the top of the file, so it is not ignored during a go build ....

packaged.go

A file generated by bundler.go that contains formatted byte strings, that represent the string templates from the ./templates/ folder. This file is also git-ignored as it is intended to only be generated by the docs repo and is not used during runtime of the main Pulumi CLI. In fact, this whole package is not used during the runtime of the CLI itself.

go:generate

Read more here.

go:generate is a special code comment that can be used to run custom commands by simply running go generate <package>, which then scans for go:generate comments in all sources in the package <package>. It also serves as a way to document, that a certain file relies on a command to have been executed before it can be used.