Files
Valentin Rothberg 01cfb51fe9 auto-update: make output more user friendly
The rather raw and scarce output of `podman auto-update` has been a
thorn in my eyes for a longer while.  So far, Podman would only print
updated systemd units, one per line, without further formatting.

Motivated by issue #9949 which is asking for some more useful
information in combination with a dry-run feature, I sat down and
reflected which information may come in handy.

Running `podman auto-update` will now look as follows:

```
$ podman auto-update
Trying to pull [...]

UNIT                    CONTAINER            IMAGE                   POLICY      UPDATED
container-test.service  08fd34e533fd (test)  localhost:5000/busybox  registry    false
```

Also refactor the spaghetti code in the backend a bit to make it easier
to digest and maintain.

For easier testing and for the sake of consistency with other commands
listing output, add a `--format` flag.

The man page will get an overhaul in a follow up commit.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
2021-07-14 16:23:51 +02:00
..
2020-03-19 14:03:02 -04:00
2019-10-31 12:31:39 -05:00
2019-10-31 12:31:39 -05:00
2017-11-01 11:24:59 -04:00
2021-05-27 22:42:50 +02:00

Podman Documentation

The online man pages and other documents regarding Podman can be found at Read The Docs. The man pages can be found under the Commands link on that page.

Build the Docs

Directory Structure

Directory
Markdown source for man pages docs/source/markdown/
man pages aliases as .so files docs/source/markdown/links/
restructured text for readthedocs.io docs/rst/
target for output docs/build
man pages docs/build/man
remote linux man pages docs/build/remote/linux
remote darwin man pages docs/build/remote/darwin
remote windows html pages docs/build/remote/windows

Support files

docs/remote-docs.sh Read the docs/source/markdown files and format for each platform
docs/links-to-html.lua pandoc filter to do aliases for html files
docs/use-pagetitle.lua pandoc filter to set html document title

Manpage Syntax

The syntax for the formatting of all man pages can be found here.

API Reference

The latest online documentation is automatically generated by two cooperating automation systems based on committed upstream source code. Firstly, the Cirrus-CI docs task builds pkg/api/swagger.yaml and uploads it to a public-facing location (Google Storage Bucket - an online service for storing unstructured data). Second, Read The Docs reacts to the github.com repository change, building the content for the libpod documentation site. This site includes for the API section, some javascript which consumes the uploaded swagger.yaml file directly from the Google Storage Bucket.

Since there are multiple systems and local cache is involved, it's possible that updates to documentation (especially the swagger/API docs) will lag by 10-or-so minutes. However, because the client (i.e. your web browser) is fetching content from multiple locations that do not share a common domain, accessing the API section may show a stack-trace similar to the following:

JavaScript Stack Trace Image

If reloading the page, or clearing your local cache does not fix the problem, it is likely caused by broken metadata needed to protect clients from cross-site-scripting style attacks. Please notify a maintainer so they may investigate how/why the swagger.yaml file's CORS-metadata is incorrect, or the file isn't accessible for some other reason.

Local Testing

Assuming that you have the dependencies installed, then also install (showing Fedora in the example):

# dnf install python3-sphinx python3-recommonmark
# pip install sphinx-markdown-tables

After that completes, cd to the docs directory in your Podman sandbox and then do make html.

You can then preview the html files in docs/build/html with:

python -m http.server 8000 --directory build/html