adjust build dir
This commit is contained in:
581
extra/tools/functions
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581
extra/tools/functions
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@@ -0,0 +1,581 @@
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# -*-Shell-script-*-
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#
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# functions This file contains functions to be used by most or all
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# shell scripts in the /etc/init.d directory.
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#
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TEXTDOMAIN=initscripts
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# Make sure umask is sane
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umask 022
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# Set up a default search path.
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PATH="/sbin:/usr/sbin:/bin:/usr/bin"
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export PATH
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# Get a sane screen width
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[ -z "${COLUMNS:-}" ] && COLUMNS=80
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#[ -z "${CONSOLETYPE:-}" ] && CONSOLETYPE="`/sbin/consoletype`"
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if [ -f /etc/sysconfig/i18n -a -z "${NOLOCALE:-}" ] ; then
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. /etc/profile.d/lang.sh
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fi
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# Read in our configuration
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if [ -z "${BOOTUP:-}" ]; then
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if [ -f /etc/sysconfig/init ]; then
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. /etc/sysconfig/init
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else
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# This all seem confusing? Look in /etc/sysconfig/init,
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# or in /usr/doc/initscripts-*/sysconfig.txt
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BOOTUP=color
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RES_COL=60
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MOVE_TO_COL="echo -en \\033[${RES_COL}G"
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SETCOLOR_SUCCESS="echo -en \\033[1;32m"
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SETCOLOR_FAILURE="echo -en \\033[1;31m"
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SETCOLOR_WARNING="echo -en \\033[1;33m"
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SETCOLOR_NORMAL="echo -en \\033[0;39m"
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LOGLEVEL=1
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fi
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if [ "$CONSOLETYPE" = "serial" ]; then
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BOOTUP=serial
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MOVE_TO_COL=
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SETCOLOR_SUCCESS=
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SETCOLOR_FAILURE=
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SETCOLOR_WARNING=
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SETCOLOR_NORMAL=
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fi
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fi
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if [ "${BOOTUP:-}" != "verbose" ]; then
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INITLOG_ARGS="-q"
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else
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INITLOG_ARGS=
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fi
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# Interpret escape sequences in an fstab entry
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fstab_decode_str() {
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fstab-decode echo "$1"
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}
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# Check if $pid (could be plural) are running
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checkpid() {
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local i
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for i in $* ; do
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[ -d "/proc/$i" ] && return 0
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done
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return 1
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}
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__readlink() {
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ls -bl "$@" 2>/dev/null| awk '{ print $NF }'
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}
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# __umount_loop awk_program fstab_file first_msg retry_msg umount_args
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# awk_program should process fstab_file and return a list of fstab-encoded
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# paths; it doesn't have to handle comments in fstab_file.
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__umount_loop() {
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local remaining sig=
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local retry=3
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remaining=$(LC_ALL=C awk "/^#/ {next} $1" "$2" | sort -r)
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while [ -n "$remaining" -a "$retry" -gt 0 ]; do
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if [ "$retry" -eq 3 ]; then
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action "$3" fstab-decode umount $5 $remaining
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else
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action "$4" fstab-decode umount $5 $remaining
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fi
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sleep 2
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remaining=$(LC_ALL=C awk "/^#/ {next} $1" "$2" | sort -r)
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[ -z "$remaining" ] && break
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fstab-decode /sbin/fuser -k -m $sig $remaining >/dev/null
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sleep 5
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retry=$(($retry -1))
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sig=-9
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done
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}
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# Similar to __umount loop above, specialized for loopback devices
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__umount_loopback_loop() {
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local remaining devremaining sig=
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local retry=3
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remaining=$(awk '$1 ~ /^\/dev\/loop/ && $2 != "/" {print $2}' /proc/mounts)
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devremaining=$(awk '$1 ~ /^\/dev\/loop/ && $2 != "/" {print $1}' /proc/mounts)
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while [ -n "$remaining" -a "$retry" -gt 0 ]; do
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if [ "$retry" -eq 3 ]; then
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action $"Unmounting loopback filesystems: " \
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fstab-decode umount $remaining
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else
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action $"Unmounting loopback filesystems (retry):" \
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fstab-decode umount $remaining
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fi
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for dev in $devremaining ; do
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losetup $dev > /dev/null 2>&1 && \
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action $"Detaching loopback device $dev: " \
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losetup -d $dev
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done
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remaining=$(awk '$1 ~ /^\/dev\/loop/ && $2 != "/" {print $2}' /proc/mounts)
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devremaining=$(awk '$1 ~ /^\/dev\/loop/ && $2 != "/" {print $1}' /proc/mounts)
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[ -z "$remaining" ] && break
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fstab-decode /sbin/fuser -k -m $sig $remaining >/dev/null
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sleep 5
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retry=$(($retry -1))
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sig=-9
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done
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}
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# __proc_pids {program} [pidfile]
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# Set $pid to pids from /var/run* for {program}. $pid should be declared
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# local in the caller.
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# Returns LSB exit code for the 'status' action.
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__pids_var_run() {
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local base=${1##*/}
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local pid_file=${2:-/var/run/$base.pid}
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pid=
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if [ -f "$pid_file" ] ; then
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local line p
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read line < "$pid_file"
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for p in $line ; do
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[ -z "${p//[0-9]/}" -a -d "/proc/$p" ] && pid="$pid $p"
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done
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if [ -n "$pid" ]; then
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return 0
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fi
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return 1 # "Program is dead and /var/run pid file exists"
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fi
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return 3 # "Program is not running"
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}
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# Output PIDs of matching processes, found using pidof
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__pids_pidof() {
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pidof -c -o $$ -o $PPID -o %PPID -x "$1" || \
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pidof -c -o $$ -o $PPID -o %PPID -x "${1##*/}"
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}
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# A function to start a program.
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daemon() {
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# Test syntax.
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local gotbase= force= nicelevel corelimit
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local pid base= user= nice= bg= pid_file=
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nicelevel=0
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while [ "$1" != "${1##[-+]}" ]; do
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case $1 in
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'') echo $"$0: Usage: daemon [+/-nicelevel] {program}"
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return 1;;
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--check)
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base=$2
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gotbase="yes"
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shift 2
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;;
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--check=?*)
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base=${1#--check=}
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gotbase="yes"
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shift
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;;
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--user)
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user=$2
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shift 2
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;;
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--user=?*)
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user=${1#--user=}
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shift
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;;
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--pidfile)
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pid_file=$2
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shift 2
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;;
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--pidfile=?*)
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pid_file=${1#--pidfile=}
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shift
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;;
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--force)
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force="force"
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shift
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;;
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[-+][0-9]*)
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nice="nice -n $1"
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shift
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;;
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*) echo $"$0: Usage: daemon [+/-nicelevel] {program}"
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return 1;;
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esac
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done
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# Save basename.
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[ -z "$gotbase" ] && base=${1##*/}
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# See if it's already running. Look *only* at the pid file.
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__pids_var_run "$base" "$pid_file"
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[ -n "$pid" -a -z "$force" ] && return
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# make sure it doesn't core dump anywhere unless requested
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corelimit="ulimit -S -c ${DAEMON_COREFILE_LIMIT:-0}"
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# if they set NICELEVEL in /etc/sysconfig/foo, honor it
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[ -n "${NICELEVEL:-}" ] && nice="nice -n $NICELEVEL"
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# Echo daemon
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[ "${BOOTUP:-}" = "verbose" -a -z "${LSB:-}" ] && echo -n " $base"
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# And start it up.
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if [ -z "$user" ]; then
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$nice /bin/bash -c "$corelimit >/dev/null 2>&1 ; $*"
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else
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$nice runuser -s /bin/bash - $user -c "$corelimit >/dev/null 2>&1 ; $*"
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fi
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[ "$?" -eq 0 ] && success $"$base startup" || failure $"$base startup"
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}
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# A function to stop a program.
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killproc() {
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local RC killlevel= base pid pid_file= delay
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RC=0; delay=3
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# Test syntax.
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if [ "$#" -eq 0 ]; then
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echo $"Usage: killproc [-p pidfile] [ -d delay] {program} [-signal]"
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return 1
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fi
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if [ "$1" = "-p" ]; then
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pid_file=$2
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shift 2
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fi
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if [ "$1" = "-d" ]; then
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delay=$2
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shift 2
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fi
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# check for second arg to be kill level
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[ -n "${2:-}" ] && killlevel=$2
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# Save basename.
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base=${1##*/}
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# Find pid.
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__pids_var_run "$1" "$pid_file"
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if [ -z "$pid_file" -a -z "$pid" ]; then
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pid="$(__pids_pidof "$1")"
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fi
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# Kill it.
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if [ -n "$pid" ] ; then
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[ "$BOOTUP" = "verbose" -a -z "${LSB:-}" ] && echo -n "$base "
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if [ -z "$killlevel" ] ; then
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if checkpid $pid 2>&1; then
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# TERM first, then KILL if not dead
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kill -TERM $pid >/dev/null 2>&1
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usleep 100000
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if checkpid $pid && sleep 1 &&
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checkpid $pid && sleep $delay &&
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checkpid $pid ; then
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kill -KILL $pid >/dev/null 2>&1
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usleep 100000
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fi
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fi
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checkpid $pid
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RC=$?
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[ "$RC" -eq 0 ] && failure $"$base shutdown" || success $"$base shutdown"
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RC=$((! $RC))
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# use specified level only
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else
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if checkpid $pid; then
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kill $killlevel $pid >/dev/null 2>&1
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RC=$?
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[ "$RC" -eq 0 ] && success $"$base $killlevel" || failure $"$base $killlevel"
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elif [ -n "${LSB:-}" ]; then
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RC=7 # Program is not running
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fi
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fi
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else
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if [ -n "${LSB:-}" -a -n "$killlevel" ]; then
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RC=7 # Program is not running
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else
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failure $"$base shutdown"
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RC=0
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fi
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fi
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# Remove pid file if any.
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if [ -z "$killlevel" ]; then
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rm -f "${pid_file:-/var/run/$base.pid}"
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fi
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return $RC
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}
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# A function to find the pid of a program. Looks *only* at the pidfile
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pidfileofproc() {
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local pid
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# Test syntax.
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if [ "$#" = 0 ] ; then
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echo $"Usage: pidfileofproc {program}"
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return 1
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fi
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__pids_var_run "$1"
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[ -n "$pid" ] && echo $pid
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return 0
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}
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# A function to find the pid of a program.
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pidofproc() {
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local RC pid pid_file=
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# Test syntax.
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if [ "$#" = 0 ]; then
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echo $"Usage: pidofproc [-p pidfile] {program}"
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return 1
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fi
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if [ "$1" = "-p" ]; then
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pid_file=$2
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shift 2
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fi
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fail_code=3 # "Program is not running"
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# First try "/var/run/*.pid" files
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__pids_var_run "$1" "$pid_file"
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RC=$?
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if [ -n "$pid" ]; then
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echo $pid
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return 0
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fi
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[ -n "$pid_file" ] && return $RC
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__pids_pidof "$1" || return $RC
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}
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status() {
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local base pid pid_file=
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# Test syntax.
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if [ "$#" = 0 ] ; then
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echo $"Usage: status [-p pidfile] {program}"
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return 1
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fi
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if [ "$1" = "-p" ]; then
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pid_file=$2
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shift 2
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fi
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base=${1##*/}
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# First try "pidof"
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pid="$(__pids_pidof "$1")"
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if [ -n "$pid" ]; then
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echo $"${base} (pid $pid) is running..."
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return 0
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fi
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# Next try "/var/run/*.pid" files
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__pids_var_run "$1" "$pid_file"
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case "$?" in
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0)
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echo $"${base} (pid $pid) is running..."
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return 0
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;;
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1)
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echo $"${base} dead but pid file exists"
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return 1
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;;
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esac
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# See if /var/lock/subsys/${base} exists
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if [ -f /var/lock/subsys/${base} ]; then
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echo $"${base} dead but subsys locked"
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return 2
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fi
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echo $"${base} is stopped"
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return 3
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}
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echo_success() {
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[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
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echo -n "["
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[ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
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echo -n $" OK "
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[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
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echo -n "]"
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echo -ne "\r"
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return 0
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||||
}
|
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|
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echo_failure() {
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[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
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echo -n "["
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[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
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echo -n $"FAILED"
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[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
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||||
echo -n "]"
|
||||
echo -ne "\r"
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return 1
|
||||
}
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||||
|
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echo_passed() {
|
||||
[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
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echo -n "["
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||||
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
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||||
echo -n $"PASSED"
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||||
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
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||||
echo -n "]"
|
||||
echo -ne "\r"
|
||||
return 1
|
||||
}
|
||||
|
||||
echo_warning() {
|
||||
[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
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||||
echo -n "["
|
||||
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
|
||||
echo -n $"WARNING"
|
||||
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
|
||||
echo -n "]"
|
||||
echo -ne "\r"
|
||||
return 1
|
||||
}
|
||||
|
||||
# Inform the graphical boot of our current state
|
||||
update_boot_stage() {
|
||||
if [ "$GRAPHICAL" = "yes" -a -x /usr/bin/rhgb-client ]; then
|
||||
/usr/bin/rhgb-client --update="$1"
|
||||
fi
|
||||
return 0
|
||||
}
|
||||
|
||||
# Log that something succeeded
|
||||
success() {
|
||||
#if [ -z "${IN_INITLOG:-}" ]; then
|
||||
# initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
|
||||
#fi
|
||||
[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_success
|
||||
return 0
|
||||
}
|
||||
|
||||
# Log that something failed
|
||||
failure() {
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||||
local rc=$?
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||||
#if [ -z "${IN_INITLOG:-}" ]; then
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||||
# initlog $INITLOG_ARGS -n $0 -s "$1" -e 2
|
||||
#fi
|
||||
[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_failure
|
||||
[ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --details=yes
|
||||
return $rc
|
||||
}
|
||||
|
||||
# Log that something passed, but may have had errors. Useful for fsck
|
||||
passed() {
|
||||
local rc=$?
|
||||
#if [ -z "${IN_INITLOG:-}" ]; then
|
||||
# initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
|
||||
#fi
|
||||
[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_passed
|
||||
return $rc
|
||||
}
|
||||
|
||||
# Log a warning
|
||||
warning() {
|
||||
local rc=$?
|
||||
#if [ -z "${IN_INITLOG:-}" ]; then
|
||||
# initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
|
||||
#fi
|
||||
[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_warning
|
||||
return $rc
|
||||
}
|
||||
|
||||
# Run some action. Log its output.
|
||||
action() {
|
||||
local STRING rc
|
||||
|
||||
STRING=$1
|
||||
echo -n "$STRING "
|
||||
if [ "${RHGB_STARTED:-}" != "" -a -w /etc/rhgb/temp/rhgb-console ]; then
|
||||
echo -n "$STRING " > /etc/rhgb/temp/rhgb-console
|
||||
fi
|
||||
shift
|
||||
"$@" && success $"$STRING" || failure $"$STRING"
|
||||
rc=$?
|
||||
echo
|
||||
if [ "${RHGB_STARTED:-}" != "" -a -w /etc/rhgb/temp/rhgb-console ]; then
|
||||
if [ "$rc" = "0" ]; then
|
||||
echo_success > /etc/rhgb/temp/rhgb-console
|
||||
else
|
||||
echo_failure > /etc/rhgb/temp/rhgb-console
|
||||
[ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --details=yes
|
||||
fi
|
||||
echo > /etc/rhgb/temp/rhgb-console
|
||||
fi
|
||||
return $rc
|
||||
}
|
||||
|
||||
# returns OK if $1 contains $2
|
||||
strstr() {
|
||||
[ "${1#*$2*}" = "$1" ] && return 1
|
||||
return 0
|
||||
}
|
||||
|
||||
# Confirm whether we really want to run this service
|
||||
confirm() {
|
||||
[ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --details=yes
|
||||
while : ; do
|
||||
echo -n $"Start service $1 (Y)es/(N)o/(C)ontinue? [Y] "
|
||||
read answer
|
||||
if strstr $"yY" "$answer" || [ "$answer" = "" ] ; then
|
||||
return 0
|
||||
elif strstr $"cC" "$answer" ; then
|
||||
rm -f /var/run/confirm
|
||||
[ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --details=no
|
||||
return 2
|
||||
elif strstr $"nN" "$answer" ; then
|
||||
return 1
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
# resolve a device node to its major:minor numbers in decimal or hex
|
||||
get_numeric_dev() {
|
||||
(
|
||||
fmt="%d:%d"
|
||||
if [ "$1" == "hex" ]; then
|
||||
fmt="%x:%x"
|
||||
fi
|
||||
ls -lH "$2" | awk '{ sub(/,/, "", $5); printf("'"$fmt"'", $5, $6); }'
|
||||
) 2>/dev/null
|
||||
}
|
||||
|
||||
# find the working name for a running dm device with the same table as one
|
||||
# that dmraid would create
|
||||
resolve_dm_name() {
|
||||
(
|
||||
name="$1"
|
||||
|
||||
line=$(/sbin/dmraid -ay -t --ignorelocking | \
|
||||
egrep -iv "no block devices found|No RAID disks" | \
|
||||
awk -F ':' "{ if (\$1 ~ /^$name$/) { print \$2; }}")
|
||||
for x in $line ; do
|
||||
if [[ "$x" =~ "^/dev/" ]] ; then
|
||||
majmin=$(get_numeric_dev dec $x)
|
||||
line=$(echo "$line" | sed -e "s,$x\( \|$\),$majmin\1,g")
|
||||
fi
|
||||
done
|
||||
line=$(echo "$line" | sed -e 's/^[ \t]*//' -e 's/[ \t]*$//' \
|
||||
-e 's/ core [12] [[:digit:]]\+ / core [12] [[:digit:]]\\+ /')
|
||||
/sbin/dmsetup table | \
|
||||
sed -n -e "s/.*\(no block devices found\|No devices found\).*//" \
|
||||
-e "s/\(^[^:]\+\): $line\( \+$\|$\)/\1/p"
|
||||
) 2>/dev/null
|
||||
}
|
||||
|
||||
# Check whether file $1 is a backup or rpm-generated file and should be ignored
|
||||
is_ignored_file() {
|
||||
case "$1" in
|
||||
*~ | *.bak | *.orig | *.rpmnew | *.rpmorig | *.rpmsave)
|
||||
return 0
|
||||
;;
|
||||
esac
|
||||
return 1
|
||||
}
|
||||
# A sed expression to filter out the files that is_ignored_file recognizes
|
||||
__sed_discard_ignored_files='/\(~\|\.bak\|\.orig\|\.rpmnew\|\.rpmorig\|\.rpmsave\)$/d'
|
||||
Reference in New Issue
Block a user