93 lines
2.5 KiB
Bash
93 lines
2.5 KiB
Bash
#/bin/sh
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# Copyright 2022 - 2023, macmpi
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# SPDX-License-Identifier: MIT
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## collection of few code snippets as sample unnatteded actions some may find usefull
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## Obvious one; reminder: is run in the background
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echo hello world !!
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sleep 60
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########################################################
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## This snippet removes apkovl file on volume after initial boot
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# grab used ovl filename from dmesg
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ovl="$( dmesg | grep -o 'Loading user settings from .*:' | awk '{print $5}' | sed 's/:.*$//' )"
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ovl="$( basename "${ovl}" )"
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# search path again as mountpoint may have been changed later in the boot process...
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ovlpath=$( find /media -maxdepth 2 -type d -path '*/.*' -prune -o -type f -name "${ovl}" -exec dirname {} \; | head -1 )
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# also works in case volume is mounted read-only
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grep -q "${ovlpath}.*[[:space:]]ro[[:space:],]" /proc/mounts; RO=$?
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[ "$RO" -eq "0" ] && mount -o remount,rw "${ovlpath}"
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rm -f "${ovlpath}/${ovl}"
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[ "$RO" -eq "0" ] && mount -o remount,ro "${ovlpath}"
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########################################################
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## This snippet configures Minimal diskless environment
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# note: with INTERFACESOPTS=none, no networking will be setup so it won't work after reboot!
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# Change it or run setup-interfaces in interractive mode afterwards (and lbu commit -d thenafter)
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logger -st ${0##*/} "Setting-up minimal environment"
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cat <<-EOF > /tmp/ANSWERFILE
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# base answer file for setup-alpine script
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# Do not set keyboard layout
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KEYMAPOPTS=none
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# Keep hostname
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HOSTNAMEOPTS="$(hostname)"
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# Set device manager to mdev
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DEVDOPTS=mdev
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# Contents of /etc/network/interfaces
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INTERFACESOPTS=none
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# Set Public nameserver
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DNSOPTS="-n 208.67.222.222"
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# Set timezone to UTC
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TIMEZONEOPTS="UTC"
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# set http/ftp proxy
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PROXYOPTS=none
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# Add first mirror (CDN)
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APKREPOSOPTS="-1"
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# Do not create any user
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USEROPTS=none
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# No Openssh
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SSHDOPTS=none
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# Use openntpd
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NTPOPTS="chrony"
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# No disk install (diskless)
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DISKOPTS=none
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# Setup storage for diskless (find boot directory in /media/xxxx/apk/.boot_repository)
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LBUOPTS="$( find /media -maxdepth 3 -type d -path '*/.*' -prune -o -type f -name '.boot_repository' -exec dirname {} \; | head -1 | xargs dirname )"
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APKCACHEOPTS="\$LBUOPTS/cache"
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EOF
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# trick setup-alpine to pretend existing SSH connection
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# and therefore keep (do not reset) network interfaces while running in background
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SSH_CONNECTION="FAKE" setup-alpine -ef /tmp/ANSWERFILE
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lbu commit -d
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########################################################
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logger -st ${0##*/} "Finished unattended script"
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