diff options
Diffstat (limited to 'make-boot-image.sh')
| -rwxr-xr-x | make-boot-image.sh | 97 |
1 files changed, 49 insertions, 48 deletions
diff --git a/make-boot-image.sh b/make-boot-image.sh index d55a088..d16c9a0 100755 --- a/make-boot-image.sh +++ b/make-boot-image.sh @@ -22,6 +22,12 @@ USB_IDS_URL=https://usb-ids.gowdy.us/usb.ids # Utilities # ############# +function add_initrd_script +{ + ( echo "#!/bin/busybox sh" ; cat ) > "$WORKDIR/initrd/$1" + chmod +x "$WORKDIR/initrd/$1" +} + # From https://landley.net/writing/rootfs-programming.html # Its first argument is the new directory, and the rest of its arguments are executables to copy. function mkchroot @@ -84,7 +90,7 @@ then $ROOTCMD apt-get update [ "x$DEVEL_MODE" = "xy" ] && $ROOTCMD apt-get install qemu-system-x86 # Dependencies to put into the initrd $ROOTCMD apt-get install dmidecode pciutils usbutils lshw sysstat iftop strace tmux \ - ntfs-3g e2fsprogs partclone util-linux udpcast gdisk efibootmgr tcpdump pigz + ntfs-3g e2fsprogs partclone util-linux udpcast gdisk efibootmgr tcpdump pigz pv # util-linux : fdisk, sfdisk, lsblk, setterm > "$WORKDIR/apt-done" fi @@ -256,7 +262,7 @@ then ( # Diagnostic tools mkchroot "$WORKDIR/initrd" dmidecode iftop iostat lshw lspci lsblk lsusb mpstat tcpdump # Console tools and manpages display - mkchroot "$WORKDIR/initrd" setterm strace groff nroff troff grotty gtbl tmux + mkchroot "$WORKDIR/initrd" setterm strace groff nroff troff grotty gtbl tmux pv # Filesystem tools mkchroot "$WORKDIR/initrd" mkfs mke2fs /sbin/mkfs.ext* mkntfs mkfs.ntfs mkfs.fat mkexfatfs mkfs.exfat mkfs mkchroot "$WORKDIR/initrd" ntfs-3g mount.ntfs mount.fuse mount.exfat-fuse mount.exfat @@ -381,6 +387,7 @@ nfs_autorun() { } EOF +# XXX Useful ? cat > "$WORKDIR/initrd/etc/inittab" <<"EOF" # Custom init scripts ::sysinit:/etc/init.d/rcS @@ -394,9 +401,7 @@ tty2::askfirst:/bin/sh tty3::askfirst:/bin/sh tty4::askfirst:/bin/sh EOF - -cat > "$WORKDIR/initrd/etc/init.d/rcS" <<"EOF" -#!/bin/busybox sh +add_initrd_script "/etc/init.d/rcS" <<"EOF" echo -e '\033[37;43m'----- rcS script started -----'\033[0m' # Hint for user about boot steps if its hangs # Declare some funcs to have a tidy output with trace mode @@ -405,7 +410,7 @@ rescue_shell() { echo_color white red "Something went wrong. Dropping to a shell." PS1='\h:\w# ' setsid cttyhack /bin/busybox sh sync - umount /dev /sys /proc + umount /dev/pts /dev /sys /proc reboot -f } @@ -414,6 +419,8 @@ mount_pseudofilesystems() { mount -t proc none /proc || return $? mount -t sysfs none /sys || return $? mount -t devtmpfs -o size=1m none /dev || return $? + mkdir /dev/pts || return $? + mount -t devpts none /dev/pts || return $? ln -s /proc/self/fd/2 /dev/stderr return 0 } @@ -433,6 +440,7 @@ set -v /bin/busybox --install -s||rescue_shell # Setup busybox symlinks for all applets mount_pseudofilesystems || rescue_shell # Setup /dev, /proc, /sys and so +export TERM=linux loadkmap < /etc/keys.bmap # Load keyboard layout setterm -blank 60 # screen sleep mode after 60 minutes @@ -446,10 +454,7 @@ set +v echo -e '\033[32m/etc/init.d/rc2 script will run on tty1 now\033[0m' echo -e '\033[37;43m----- rcS script ended -----\033[0m' # Hint for user about boot steps if its hangs EOF -chmod +x "$WORKDIR/initrd/etc/init.d/rcS" - -cat > "$WORKDIR/initrd/etc/init.d/rc2" <<"EOF" -#!/bin/busybox sh +add_initrd_script "/etc/init.d/rc2" <<"EOF" echo -e '\033[37;43m'----- rc2 script started -----'\033[0m' # Hint for user about boot steps if its hangs . /etc/init.d/funcs # Load helper functions set -v # Trace execution @@ -465,9 +470,7 @@ eficast_end set +v echo -e '\033[37;43m'----- rc2 script ended -----'\033[0m' # Hint for user about boot steps if its hangs EOF -chmod +x "$WORKDIR/initrd/etc/init.d/rc2" - -cat > "$WORKDIR/initrd/usr/share/udhcpc/default.script" <<"EOF" +add_initrd_script "/usr/share/udhcpc/default.script" <<"EOF" #!/bin/sh case $1 in bound) @@ -489,10 +492,7 @@ case $1 in leasefail | nak) echo "configuration failed: $1: $message" >&2 ;; esac EOF -chmod +x "$WORKDIR/initrd/usr/share/udhcpc/default.script" - -cat > "$WORKDIR/initrd/bin/rc2_once.sh" <<"EOF" -#!/bin/busybox sh +add_initrd_script "/bin/rc2_once.sh" <<"EOF" if [ -f /run/rc2_once ] then source /etc/init.d/funcs rescue_shell @@ -500,32 +500,28 @@ else touch /run/rc2_once /etc/init.d/rc2 fi EOF -chmod +x "$WORKDIR/initrd/bin/rc2_once.sh" - -cat > "$WORKDIR/initrd/bin/autorun.sh" <<"EOF" -#!/bin/busybox sh +add_initrd_script "/bin/autorun.sh" <<"EOF" # Helper script to have retries handy cd /mnt/nfs ./autorun.sh EOF -chmod +x "$WORKDIR/initrd/bin/autorun.sh" - -cat > "$WORKDIR/initrd/etc/profile" <<"EOF" -# tmux on qemu need this (problems with carriage return) -stty sane -EOF - -chmod +x "$WORKDIR/initrd/bin/autorun.sh" -cat > "$WORKDIR/initrd/bin/restore-script" <<"EOF" -#!/bin/busybox sh +add_initrd_script "/bin/restore-script" <<"EOF" # Dummy restore script for testing the tmux inegration -pigz -dc testimg.partclone.gz | partclone.restore -o /dev/vg_data/lv_dst +pigz -dc testimg.partclone.gz | partclone.restore -o /dev/sda1 +sleep 60 EOF -chmod +x "$WORKDIR/initrd/bin/restore-script" - -cat > "$WORKDIR/initrd/bin/pigz-watch" <<"EOF" -#!/bin/busybox sh +add_initrd_script "/bin/iftop-watch" <<"EOF" +printf '\033]2;'"$*"'\033\\' # Term title (tmux) +iftop -nNl +EOF +add_initrd_script "/bin/iostat-watch" <<"EOF" +# Emulates watch command with iostat (filtered info, minimal height) +printf '\033]2;'"$*"'\033\\' # Term title (tmux) +iostat -cdmz 1 | awk '$1=="avg-cpu:" { system("clear"); } length($0) > 0 { print $0; }' +EOF +add_initrd_script "/bin/pigz-watch" <<"EOF" # Emulate watch command using pipeview (pv) for a running pigz +printf '\033]2;'"$*"'\033\\' # Term title (tmux) while true do pid=$(pidof -s pigz) @@ -533,25 +529,30 @@ do sleep 1 done EOF -chmod +x "$WORKDIR/initrd/bin/pigz-watch" - -cat > "$WORKDIR/initrd/bin/toilet-center" <<"EOF" -#!/bin/busybox sh +add_initrd_script "/bin/pstree-watch" <<"EOF" +printf '\033]2;'"$*"'\033\\' # Term title (tmux) +watch -t pstree -p +EOF +add_initrd_script "/bin/tmux-wrap" <<"EOF" +tmux new-session -d "if $* ; then tmux kill-server; else tmux select-pane -P bg=red; rescue_shell ; fi" \; \ + set-window-option status off \; \ + split-window -t %0 -l1 pigz-watch \; \ + split-window -t %0 -l5 iftop-watch \; \ + split-window -t %0 -l6 iostat-watch \; \ + split-window -h -p30 pstree-watch \; \ + select-pane -t:.0 \; \ + attach +EOF +#XXX Unused ? +add_initrd_script "/bin/toilet-center" <<"EOF" # Output some center ASCII-art text, one line per argument +printf '\033]2;'"$*"'\033\\' # Term title (tmux) while [ -n "$1" ] do echo $1 | toilet -t -f mono12 | awk "{ for (i=0;i<($(tput cols)-length(\$0))/2;i++) printf \" \"; print }" shift done EOF -chmod +x "$WORKDIR/initrd/bin/toilet-center" - -cat > "$WORKDIR/initrd/bin/iostat-watch" <<"EOF" -#!/bin/busybox sh -# Emulates watch command with iostat (filtered info, minimal height) -iostat -cdmz 1 | awk '$1=="avg-cpu:" { system("clear"); } length($0) > 0 { print $0; }' -EOF -chmod +x "$WORKDIR/initrd/bin/iostat-watch" # XXX workaround, kernel makefile's cpio preseves everything and it is not so cool for us $ROOTCMD chown -R root: "$WORKDIR/initrd" |