| #!/bin/bash |
| set +u |
| shopt -s xpg_echo |
| shopt -s expand_aliases |
| unset PATH JAVA_HOME LD_LIBRARY_PATH |
| function abort { |
| echo "aborting: $@" 1>&2 |
| exit 1 |
| } |
| function default { |
| export INSTANCE_NAME="mkebsboot" |
| export INSTANCE_HOME="/mnt/tmp" |
| export LOG_DIR="/mnt/tmp" |
| return 0 |
| } |
| function mkebsboot { |
| export TMP_DIR="/mnt/tmp" |
| return 0 |
| } |
| function findPid { |
| unset FOUND_PID; |
| [ $# -eq 1 ] || { |
| abort "findPid requires a parameter of pattern to match" |
| return 1 |
| } |
| local PATTERN="$1"; shift |
| local _FOUND=`ps auxwww|grep "$PATTERN"|grep -v " $0"|grep -v grep|awk '{print $2}'` |
| [ -n "$_FOUND" ] && { |
| export FOUND_PID=$_FOUND |
| return 0 |
| } || { |
| return 1 |
| } |
| } |
| function forget { |
| unset FOUND_PID; |
| [ $# -eq 3 ] || { |
| abort "forget requires parameters INSTANCE_NAME SCRIPT LOG_DIR" |
| return 1 |
| } |
| local INSTANCE_NAME="$1"; shift |
| local SCRIPT="$1"; shift |
| local LOG_DIR="$1"; shift |
| mkdir -p $LOG_DIR |
| findPid $INSTANCE_NAME |
| [ -n "$FOUND_PID" ] && { |
| echo $INSTANCE_NAME already running pid [$FOUND_PID] |
| } || { |
| nohup $SCRIPT >$LOG_DIR/stdout.log 2>$LOG_DIR/stderr.log & |
| sleep 1 |
| findPid $INSTANCE_NAME |
| [ -n "$FOUND_PID" ] || abort "$INSTANCE_NAME did not start" |
| } |
| return 0 |
| } |
| export PATH=/usr/ucb/bin:/bin:/sbin:/usr/bin:/usr/sbin |
| case $1 in |
| init) |
| default || exit 1 |
| mkebsboot || exit 1 |
| mkdir -p $INSTANCE_HOME |
| |
| # create runscript header |
| cat > $INSTANCE_HOME/mkebsboot.sh <<END_OF_SCRIPT |
| #!/bin/bash |
| set +u |
| shopt -s xpg_echo |
| shopt -s expand_aliases |
| PROMPT_COMMAND='echo -ne "\033]0;mkebsboot\007"' |
| export PATH=/usr/ucb/bin:/bin:/sbin:/usr/bin:/usr/sbin |
| export INSTANCE_NAME='mkebsboot' |
| export TMP_DIR='$TMP_DIR' |
| export INSTANCE_NAME='$INSTANCE_NAME' |
| export INSTANCE_HOME='$INSTANCE_HOME' |
| export LOG_DIR='$LOG_DIR' |
| END_OF_SCRIPT |
| |
| # add desired commands from the user |
| cat >> $INSTANCE_HOME/mkebsboot.sh <<'END_OF_SCRIPT' |
| cd $INSTANCE_HOME |
| cat >> /tmp/$USER/scripttest/temp.txt <<'END_OF_FILE' |
| hello world |
| END_OF_FILE |
| |
| find / || exit 1 |
| |
| END_OF_SCRIPT |
| |
| # add runscript footer |
| cat >> $INSTANCE_HOME/mkebsboot.sh <<'END_OF_SCRIPT' |
| exit 0 |
| END_OF_SCRIPT |
| |
| chmod u+x $INSTANCE_HOME/mkebsboot.sh |
| ;; |
| status) |
| default || exit 1 |
| findPid $INSTANCE_NAME || exit 1 |
| echo [$FOUND_PID] |
| ;; |
| stop) |
| default || exit 1 |
| findPid $INSTANCE_NAME || exit 1 |
| [ -n "$FOUND_PID" ] && { |
| echo stopping $FOUND_PID |
| kill -9 $FOUND_PID |
| } |
| ;; |
| start) |
| default || exit 1 |
| forget $INSTANCE_NAME $INSTANCE_HOME/$INSTANCE_NAME.sh $LOG_DIR || exit 1 |
| ;; |
| tail) |
| default || exit 1 |
| tail $LOG_DIR/stdout.log |
| ;; |
| tailerr) |
| default || exit 1 |
| tail $LOG_DIR/stderr.log |
| ;; |
| run) |
| default || exit 1 |
| $INSTANCE_HOME/$INSTANCE_NAME.sh |
| ;; |
| esac |
| exit 0 |