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fixup! Fix #32: Extend image_commands docs

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Anders Ingemann 2015-05-02 12:33:11 +02:00
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bootstrapvz/plugins/image_commands/README.md
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# Image script plugin
This plugin gives the possibility to the user to execute commands.
Plugin is defined in the manifest file, plugin section with:
"image_commands": {
"commands": [ [ "touch", "/var/www/index.html" ]],
}
The *commands* element is an array of commands. Each command is an array describing the executable and its arguments.
If you need shell expansion of wildcards, like __\*__, just put the entire command as a single entry:
"image_commands": {
"commands": [ [ "rm -f /tmp/*" ]],
}
Command is executed in current context. It is possible to use variables to access the image or execute chroot commands in the image.
Available variables are:
{root} : image mount point (to copy files for example or chroot commands)
Example:
[[ "touch", "{root}/var/www/hello" ],
[ "/usr/sbin/chroot", "{root}", "touch", "/var/www/hello"]]