slitaz-boot-scripts annotate etc/init.d/rcS @ rev 338

/etc/init.d/rcS: tazpkg does not support /var/run symlink
author Pascal Bellard <pascal.bellard@slitaz.org>
date Tue Nov 26 15:37:00 2013 +0000 (2013-11-26)
parents 14dc38448adf
children 89d0f484166f
rev   line source
pankso@5 1 #!/bin/sh
pankso@302 2 #
pankso@302 3 # /etc/init.d/rcS : Initial boot script for SliTaz GNU/Linux
pankso@302 4 # Configuration file : /etc/rcS.conf
pankso@5 5 #
pankso@153 6 # rcS is the main initialization script used to check fs, mount, clean,
pankso@153 7 # run scripts and start daemons.
pankso@5 8 #
pankso@5 9 . /etc/init.d/rc.functions
pankso@5 10 . /etc/rcS.conf
pankso@5 11
pankso@302 12 # Set PATH, TZ and boot time.
pankso@302 13 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
pankso@262 14 [ -s /etc/TZ ] && export TZ="$(cat /etc/TZ)"
pankso@302 15 [ -n "$bootdate" ] || bootdate=$(date +%s)
pankso@187 16
pascal@276 17 case "$1" in
pascal@276 18
pascal@276 19 readonly)
pankso@246 20
pankso@305 21 colorize 34 "Processing: /etc/init.d/rcS..."
pankso@171 22
pankso@306 23 # Mount /proc
pankso@305 24 echo -n "Mounting proc filesystem on /proc"
pankso@302 25 mount proc && status
pankso@302 26
slaxemulator@247 27 # Trigger Udev and handle hotplug events
pankso@305 28 if [ "$UDEV" == "yes" ]; then
pankso@305 29 echo -n "Mounting devtmpfs filesystem on: /dev"
pankso@302 30 mount -t devtmpfs devtmpfs /dev
pankso@302 31 status
pankso@269 32 echo "Starting udev daemon..."
pankso@302 33 udevd --daemon 2>/dev/null
pankso@269 34 echo "Udevadm requesting events from the Kernel..."
slaxemulator@260 35 udevadm trigger
pankso@269 36 echo "Udevadm waiting for the event queue to finish..."
pankso@302 37 udevadm settle --timeout=120
pankso@302 38 # Disable hotplug helper since udevd listen to netlink
pankso@302 39 echo "" > /proc/sys/kernel/hotplug
slaxemulator@247 40 fi
slaxemulator@247 41
pankso@306 42 # Busybox mdev is an udev alternative
pankso@305 43 if [ "$UDEV" == "mdev" ]; then
pankso@305 44 echo -n "Executing mdev -s to populate /dev..."
pankso@305 45 mdev -s && echo "mdev" > /proc/sys/kernel/hotplug
pankso@305 46 status
pankso@305 47 fi
pankso@305 48
pankso@305 49 # Before mounting filesystems we check fs specified in the file
pankso@305 50 # /etc/rcS.conf and variable $CHECK_FS. WE need udev started to
pankso@305 51 # have /dev/* populated
pankso@305 52 if [ "$CHECK_FS" ]; then
pankso@305 53 mount -o remount,ro /
pankso@305 54 for i in $CHECK_FS; do
pankso@305 55 colorize 36 "Checking filesystem: $i"
pankso@305 56 e2fsck -p $i
pankso@305 57 done
pankso@305 58 fi
pankso@305 59
pankso@305 60 # Remount rootfs rw.
pankso@305 61 echo "Remounting rootfs read/write..."
pankso@305 62 mount -o remount,rw /
pankso@305 63
MikeDSmith25@107 64 # Mount filesystems in /etc/fstab.
pankso@171 65 echo "Mounting filesystems in fstab..."
pankso@302 66 mount -a
pankso@305 67 ;;
pankso@305 68
pankso@305 69 readwrite)
pankso@302 70
pankso@302 71 # Be quiet
pankso@302 72 echo "0 0 0 0" > /proc/sys/kernel/printk
pankso@5 73
pankso@157 74 # Store boot messages to log files.
pankso@302 75 dmesg > /var/log/dmesg.log &
pascal@276 76
pascal@276 77 # Parse cmdline args for earlier boot options. All other boot options
pascal@276 78 # are in /etc/init./bootopts.sh.
pascal@276 79 echo -n "Searching for early boot options..."
pankso@302 80 for opt in $(cat /proc/cmdline)
pascal@276 81 do
pascal@276 82 case $opt in
pascal@276 83 modprobe=*)
pascal@276 84 export MODPROBE="yes" ;;
pascal@276 85 config=*)
pascal@276 86 export CONFIG=${opt#config=} ;;
pascal@276 87 *)
pascal@276 88 continue ;;
pascal@276 89 esac
pascal@276 90 done
pascal@276 91 status
pascal@41 92
pascal@338 93 # Clean up the system and set up tmp dirs.
pankso@157 94 if [ "$CLEAN_UP_SYSTEM" = "yes" ]; then
pankso@171 95 echo -n "Cleaning up the system..."
pascal@338 96 rm -rf /tmp /var/run /run
pascal@338 97 mkdir -p /tmp/.X11-unix /tmp/.ICE-unix /run/dbus /var/run
pankso@302 98 chmod -R 1777 /tmp
pankso@157 99 status
pankso@157 100 else
pankso@302 101 echo "System clean up is disabled in: /etc/rcS.conf"
pankso@262 102 fi
pankso@262 103
gokhlayeh@241 104 # Handle kernel cmdline parameter modprobe=<module_list>
pankso@302 105 if [ "$MODPROBE" ]; then
pankso@306 106 mods=$(sed -e 's/.* modprobe=\([^ ]*\).*/\1/' -e 's/,/\n/g' < /proc/cmdline)
pankso@306 107 for i in $mods; do
pankso@302 108 echo -n "Loading kernel module: $i"
pankso@302 109 modprobe $i
gokhlayeh@241 110 status
pankso@15 111 done
pankso@15 112 fi
pankso@15 113
gokhlayeh@241 114 # Handle kernel cmdline parameter config=<device>,<path> to source a
pankso@5 115 # disk init script
pankso@158 116 if [ -n "$CONFIG" ]; then
pankso@5 117 DEVICE=${CONFIG%,*}
pankso@5 118 SCRIPT=${CONFIG#*,}
pascal@110 119 echo "Probing $DEVICE... "
pankso@302 120 if ! mount -r $DEVICE /mnt; then
pascal@179 121 if echo $DEVICE | grep -Eq "/dev/sd|UUID=|LABEL="; then
pankso@302 122 USBDELAY=$(cat /sys/module/usb_storage/parameters/delay_use)
pascal@110 123 USBDELAY=$((1+$USBDELAY))
pascal@110 124 echo "$DEVICE is potentially a USB device: sleep for $USBDELAY seconds"
pascal@110 125 sleep $USBDELAY
pascal@110 126 fi
pankso@302 127 if ! mount -r $DEVICE /mnt; then
pascal@110 128 CONFIG=""
pascal@110 129 fi
pascal@110 130 fi
pankso@171 131 echo -n "Source $SCRIPT from $DEVICE..."
pascal@110 132 if [ -n "$CONFIG" ]; then
pankso@5 133 . /mnt/$SCRIPT
pankso@302 134 umount /mnt 2> /dev/null || true
pankso@5 135 fi
gokhlayeh@241 136 status
pankso@5 137 fi
pankso@5 138
pankso@302 139 # Mount /proc/bus/usb
pascal@124 140 if [ -d /proc/bus/usb ]; then
pankso@306 141 echo -n "Mounting usbfs filesystem on: /proc/bus/usb"
pankso@302 142 mount -t usbfs usbfs /proc/bus/usb
pascal@124 143 status
pascal@124 144 fi
pascal@124 145
pankso@302 146 # Start syslogd and klogd
pankso@302 147 echo -n "Starting system log deamon: syslogd..."
pankso@302 148 syslogd -s $SYSLOGD_ROTATED_SIZE && status
pankso@302 149 echo -n "Starting kernel log daemon: klogd..."
pankso@302 150 klogd && status
pankso@262 151
pankso@302 152 # Load all modules listed in config file
pankso@302 153 if [ "$LOAD_MODULES" ]; then
pankso@302 154 colorize 33 "Loading Kernel modules..."
pankso@302 155 for mod in $LOAD_MODULES; do
pankso@302 156 echo -n "Loading module: $mod"
pankso@5 157 modprobe $mod
pankso@302 158 status
pankso@5 159 done
pankso@5 160 fi
pankso@5 161
pankso@153 162 # Detect PCI and USB devices with Tazhw from slitaz-tools. We load
paul@181 163 # kernel modules only at first boot or in LiveCD mode.
pankso@153 164 if [ ! -s /var/lib/detected-modules ]; then
pankso@302 165 tazhw init
pankso@153 166 fi
pankso@153 167
pankso@302 168 # Call udevadm trigger to ensure /dev is fully populate now that all
pankso@262 169 # modules are loaded.
slaxemulator@260 170 if [ "$UDEV" = "yes" ]; then
pankso@302 171 echo -n "Triggering udev events: --action=add"
pankso@302 172 udevadm trigger --action=add
slaxemulator@260 173 status
slaxemulator@260 174 fi
slaxemulator@260 175
pankso@302 176 # Start all scripts specified with $RUN_SCRIPTS
pankso@302 177 for script in $RUN_SCRIPTS; do
pankso@302 178 echo $(colorize 34 "Processing: /etc/init.d/$script")
pankso@302 179 /etc/init.d/$script
pankso@5 180 done
pankso@5 181
pankso@302 182 # Start all daemons specified with $RUN_DAEMONS
pankso@302 183 if [ "$RUN_DAEMONS" ]; then
pankso@302 184 colorize 33 "Starting all daemons..."
pankso@302 185 for daemon in $RUN_DAEMONS; do
pankso@32 186 /etc/init.d/$daemon start
pankso@302 187 done
pankso@5 188 fi
pankso@5 189
pankso@302 190 # Back to a verbose mode
pankso@302 191 (sleep 6 && echo "7 4 1 7" > /proc/sys/kernel/printk) &
pankso@302 192
pankso@302 193 if [ "$MESSAGE" ]; then
pankso@302 194 newline
pankso@302 195 colorize 32 "$MESSAGE"
pankso@302 196 fi
pankso@302 197
pankso@302 198 # Display and log boot time
pankso@187 199 time=$((`date +%s` - $bootdate))
pankso@187 200 echo $time > /var/log/boot-time
pankso@187 201 echo "SliTaz boot time: ${time}s"
pascal@276 202 ;;
pankso@187 203
pascal@276 204 *)
pankso@305 205 # --> readonly --> readwrite
pascal@310 206 if [ ! -s /run/boot.log ]; then
pascal@310 207 # Mount /run as tmpfs runtime data are not written to disk
pascal@310 208 mount -t tmpfs tmpfs /run
pascal@338 209 # cp -a in tazpkg does not support /var/run symlink
pascal@338 210 mount --bind /run /var/run
pankso@306 211 fi
pascal@310 212 /etc/init.d/rcS readonly 2>&1 | tee -a /run/boot.log
pascal@309 213 # Logrotate boot.log
pankso@305 214 last=.9
pankso@305 215 for i in .8 .7 .6 .5 .4 .3 .2 .1 .0 '' ; do
pankso@306 216 mv -f /var/log/boot.log${i} /var/log/boot.log${last} 2>/dev/null
pankso@305 217 last=$i
pankso@305 218 done
pascal@310 219 mv -f /run/boot.log /var/log/boot.log
pascal@308 220 /etc/init.d/rcS readwrite 2>&1 | tee -a /var/log/boot.log ;;
pascal@276 221 esac