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Redesign of grml-live(8)
(Re-)Design of grml-live
grml-live mainly executes the following main stages:
* fai dirinstall: link:[FAI] (Fully
Automatic Installation) does the chroot related work
* mksquashfs: generate the compressed squashfs file which provides the chroot in
compressed format
* mkisofs: generates the ISO itself, based on the output by mksquashfs and some
further bootmanger related stuff
This document describes the planned design for a re-implementation of
grml-live in Python.
This document is work in progress. Seriously.
grml-live interface
The grml-live interface itself (no matter whether text based or a graphical
interface) uses the provided mechanisms by lib-grml-live.
Helper Functions:
* log(): log into syslog, /var/log/grml-live.log
* console_info(): display information on plain console
* usage(): display usage information
* check_permissions(): check for id == 0
* check_diskspace(): check for enough free space(?)
* check_programms(): check for all the necessary tools
Configuration handling:
* parse_config_files(mainconfig=/etc/grml/grml-live.conf, localconfig=/etc/grml/grml-live.local): read /etc/grml/grml-live.local and /etc/grml/grml-live.conf
* cmdline_opts(): parse commandline, overrides configuration from parse_config()
* update_config_files(): write active configuration to configuration files (like ${GRML_FAI_CONFIG}/apt/sources.list)
Installation of files:
* install_chroot(): execute 'fai dirinstall'
* install_bootmanager(): install bootmanager (grub and/or isolinux)
* install_initrd(): install initrd from chroot into booting area
* install_kernel(): install kernel from chroot into booting area
* install_addons(): install addons into booting area
* install_bootsplash(): install bootsplash (image)
* install_bootmessages(): install bootmessages
* install_windows_binaries(): install windows (related) binaries
Create ISO:
* create_squashfs(): execute mksquashfs
* create_md5sums(): create md5sums
* create_iso(): execute mkisofs
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