| #!/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="runScriptWithCreds" |
| export INSTANCE_HOME="/tmp/runScriptWithCreds" |
| export LOG_DIR="/tmp/runScriptWithCreds" |
| return 0 |
| } |
| function runScriptWithCreds { |
| 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|grep -v $$|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" -a -f $LOG_DIR/stdout.log ] && { |
| echo $INSTANCE_NAME already running pid [$FOUND_PID] |
| return 1; |
| } || { |
| nohup $SCRIPT >$LOG_DIR/stdout.log 2>$LOG_DIR/stderr.log & |
| RETURN=$? |
| # this is generally followed by findPid, so we shouldn't exit |
| # immediately as the proc may not have registered in ps, yet |
| test $RETURN && sleep 1 |
| return $RETURN; |
| } |
| } |
| export PATH=/usr/ucb/bin:/bin:/sbin:/usr/bin:/usr/sbin |
| case $1 in |
| init) |
| default || exit 1 |
| runScriptWithCreds || exit 1 |
| mkdir -p $INSTANCE_HOME |
| |
| # create runscript header |
| cat > $INSTANCE_HOME/runScriptWithCreds.sh <<END_OF_SCRIPT |
| #!/bin/bash |
| set +u |
| shopt -s xpg_echo |
| shopt -s expand_aliases |
| PROMPT_COMMAND='echo -ne "\033]0;runScriptWithCreds\007"' |
| export PATH=/usr/ucb/bin:/bin:/sbin:/usr/bin:/usr/sbin |
| export INSTANCE_NAME='runScriptWithCreds' |
| export INSTANCE_NAME='$INSTANCE_NAME' |
| export INSTANCE_HOME='$INSTANCE_HOME' |
| export LOG_DIR='$LOG_DIR' |
| END_OF_SCRIPT |
| |
| # add desired commands from the user |
| cat >> $INSTANCE_HOME/runScriptWithCreds.sh <<'END_OF_SCRIPT' |
| cd $INSTANCE_HOME |
| which nslookup >&- 2>&-|| apt-get install -f -y -qq --force-yes dnsutils|| (apt-get update -qq&&apt-get upgrade -y -qq)&&apt-get install -f -y -qq --force-yes dnsutils |
| grep `hostname` /etc/hosts >/dev/null || awk -v hostname=`hostname` 'END { print $1" "hostname }' /proc/net/arp >> /etc/hosts |
| nslookup yahoo.com >/dev/null || echo nameserver 208.67.222.222 >> /etc/resolv.conf |
| which curl >&- 2>&-|| apt-get install -f -y -qq --force-yes curl|| (apt-get update -qq&&apt-get upgrade -y -qq)&&apt-get install -f -y -qq --force-yes curl |
| mkdir -p /usr/local/jdk |
| curl -q -s -S -L --connect-timeout 10 --max-time 600 --retry 20 -X GET http://download.oracle.com/otn-pub/java/jdk/7u2-b13/jdk-7u2-linux-x64.tar.gz |(mkdir -p /usr/local &&cd /usr/local &&tar -xpzf -) |
| mv /usr/local/jdk1.7*/* /usr/local/jdk/ |
| test -n "$SUDO_USER" && |
| cat >> /home/$SUDO_USER/.bashrc <<'END_OF_FILE' |
| export JAVA_HOME=/usr/local/jdk |
| export PATH=$JAVA_HOME/bin:$PATH |
| END_OF_FILE |
| cat >> /etc/bashrc <<'END_OF_FILE' |
| export JAVA_HOME=/usr/local/jdk |
| export PATH=$JAVA_HOME/bin:$PATH |
| END_OF_FILE |
| cat >> $HOME/.bashrc <<'END_OF_FILE' |
| export JAVA_HOME=/usr/local/jdk |
| export PATH=$JAVA_HOME/bin:$PATH |
| END_OF_FILE |
| cat >> /etc/skel/.bashrc <<'END_OF_FILE' |
| export JAVA_HOME=/usr/local/jdk |
| export PATH=$JAVA_HOME/bin:$PATH |
| END_OF_FILE |
| ln -fs /usr/local/jdk/bin/java /usr/bin/java |
| |
| END_OF_SCRIPT |
| |
| # add runscript footer |
| cat >> $INSTANCE_HOME/runScriptWithCreds.sh <<'END_OF_SCRIPT' |
| exit 0 |
| END_OF_SCRIPT |
| |
| chmod u+x $INSTANCE_HOME/runScriptWithCreds.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 |