151 lines
5.0 KiB
Bash
151 lines
5.0 KiB
Bash
#!/bin/bash
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# ------------------------------------------------------------------------------
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# Loaders for conf and prepost functions
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# This file is part of the init.sh project
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# Copyright (c) 2019-2024 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# ------------------------------------------------------------------------------
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# This file is distributed under 3-clause BSD license.
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# The complete license agreement can be obtained at:
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# https://opensource.org/licenses/BSD-3-Clause
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Automatically load system specific configuration if file exist in the
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# following order:
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# 1) auto/arch.conf.sh
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# 2) auto/distro.conf.sh
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# 3) auto/distro-arch.conf.sh
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# 4) auto/distro-version.conf.sh
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# 5) auto/distro-codename.conf.sh (if sys_code defined)
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# 6) auto/distro-version-arch.conf.sh
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# 7) auto/distro-codename-arch.conf.sh (if sys_code defined)
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load_autoconf()
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{
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local prefix="$MYPATH/conf/auto"
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if [[ -e $prefix/$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_ARCH.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST.conf.sh ]]; then
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. $prefix/$SYS_DIST.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_ARCH.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_VER.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_VER.conf.sh
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fi
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if [[ -n $SYS_CODE && -e $prefix/$SYS_DIST-$SYS_CODE.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_CODE.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_VER-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_VER-$SYS_ARCH.conf.sh
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fi
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if [[ -n $SYS_CODE && -e $prefix/$SYS_DIST-$SYS_CODE-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_CODE-$SYS_ARCH.conf.sh
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fi
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unset prefix
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}
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export -f load_autoconf
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Load configuration with the following priorities:
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# 1) Those given on command line, if any
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# 2) <workingdir>/conf/<realm>/<hostname>.conf (Hostname based and specific)
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# 2) <workingdir>/conf/<hostname>.conf (Hostname based and specific)
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# 3) <workingdir>/conf/init.conf.sh (Generic default, for testing)
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load_configuration()
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{
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# --------------------------------------------------------------------------
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# Get list of possible files to load when REALM is not declared
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get_files()
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{
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for d in $MYPATH/conf/*; do
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if [[ -d $d ]]; then
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find $d -maxdepth 1 -name "$HOSTNAME.conf.sh"
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fi
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done
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}
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if [[ -n $CONFFILES ]]; then
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local f=
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for f in $CONFFILES; do
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prnt I "Loading $f manually specified."
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if [[ -s $f ]]; then
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. $f
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else
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prnt E "The $f file doesn't exists or is empty."
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die 6 --force
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fi
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done
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unset f
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else
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prnt I "Loading configuration..."
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if [[ -z $REALM ]]; then
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prnt W "REALM is undeclared, trying to scan configuration subdirectories for this host..."
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local found_realms=$(get_files)
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case "$(echo $found_realms | wc -w)" in
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"0")
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: # We do nothing as we'll check for other scenario
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;;
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"1")
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export REALM="$(basename $(dirname $found_realms))"
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local auto_realm="$REALM"
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;;
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*)
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prnt E "More than one file correspond to that host. This is ambigous and need to be fixed."
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prnt m "You can fix that situation with one of those actions:"
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prnt m "\t * Declare a REALM variable with the actual domain name of the host."
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prnt m "\t * Give manually the configuration file using the --file option."
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prnt m "\t * Configure the domain name of the host."
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die 20 --force
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;;
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esac
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fi
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if [[ -e $MYPATH/conf/$REALM/$HOSTNAME.conf.sh ]]; then
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prnt I "A specific configuration will be used."
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local cnffile=$MYPATH/conf/$REALM/$HOSTNAME.conf.sh
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if [[ -n $auto_realm && $REALM != $auto_realm ]]; then
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prnt E "The domain name in the confinguration file don't correspond to the detected domain through directory structure."
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die 21 --force
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fi
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elif [[ -e $MYPATH/conf/$HOSTNAME.conf.sh ]]; then
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prnt I "A specific configuration will be used."
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local cnffile=$MYPATH/conf/$HOSTNAME.conf.sh
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else
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if [[ -e $MYPATH/conf/init.conf.sh ]]; then
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prnt I "A generic configuration will be used."
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local cnffile=$MYPATH/conf/init.conf.sh
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else
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prnt E "No configuration found, impossible to continue."
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die 6 --force
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fi
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fi
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prnt I "Loading $cnffile ..."
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. $cnffile
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fi
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}
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export -f load_configuration
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Load pre and post actions for package manager
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load_prepost_actions()
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{
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local prepost=
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for prepost in $MYPATH/prepost.d/*.sh; do
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prnt I "Loading prepost actions in $prepost ..."
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. $prepost
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done
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unset prepost
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}
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export -f load_prepost_actions
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# ------------------------------------------------------------------------------
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# EOF
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