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Add documentation for ESH templates

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Tim Byrne 2020-08-08 21:24:04 -05:00
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_docs/070_templates.md
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@ -25,6 +25,7 @@ The supported template processors are:
| Processor | Suffixes | Dependencies |
| - | - | - |
| default | `##template`, `##template.default` | `awk` must be installed. (This should be installed on all *nix systems) |
| esh | `##template.esh` | `esh` must be installed. |
| j2cli | `##template.j2`, `##template.j2cli` | `j2cli` must be installed. |
| envtpl | `##template.j2`, `##template.envtpl` | `envtpl` must be installed. |
@ -36,7 +37,7 @@ Also, `j2` will be processed by either j2cli or envtpl, whichever is found.
When template processors run, they will be provided the following set of data.
| Default (built-in) | Jinja | Description | Source |
| Default (built-in) | Jinja or ESH | Description | Source |
| - | - | - | - |
| `yadm.class` | `YADM_CLASS` | Locally defined yadm class | <code>yadm&nbsp;config&nbsp;local.class</code> |
| `yadm.distro` | `YADM_DISTRO` | Distribution | <code>lsb_release&nbsp;&#8209;si</code><br/>or <code>/etc/os-release</code> |
@ -60,6 +61,11 @@ contains `awk`). This processor has a syntax _similar_ to the Jinja processors
below, however it only supports a small set of directives. Those directives are
detailed in the section below.
esh
: [esh][esh] is a template processor written in POSIX compliant shell. It allows
executing shell commands within templates. This can be used to reference
your own configurations within templates, for example:
j2cli
: [j2cli][j2cli] (or `j2`) is a Python-based Jinja2 template processor. This
fully supports all directives of the [Jinja2 library][jinja]. When your template is
@ -103,5 +109,6 @@ This block is included for any other OS
{% endraw %}
[envtpl]: https://github.com/andreasjansson/envtpl
[esh]: https://github.com/jirutka/esh
[j2cli]: https://github.com/kolypto/j2cli
[jinja]: https://jinja.palletsprojects.com