133 lines
3.0 KiB
Bash
Executable File
133 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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#---------------------------------------
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#-----------------------------
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# Settings
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#-----------------------------
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#---------------------------------------
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# - Is this script running on terminal ?
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# -
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if [[ -t 1 ]] ; then
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terminal=true
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LOGGING=true
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else
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terminal=false
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LOGGING=false
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fi
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KILL_SIGNAL=HUP
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#---------------------------------------
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#-----------------------------
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# Base Function(s)
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#-----------------------------
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#---------------------------------------
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fatal(){
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echo ""
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echo -e " [ Fatal ] $*"
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echo ""
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echo -e "\tScript terminated.."
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echo ""
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exit 1
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}
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error (){
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echo ""
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echo -e " [ Error ] $*"
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echo ""
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}
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warn (){
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echo ""
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echo -e " [ Warn ] $*"
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echo ""
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}
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info (){
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echo ""
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echo -e " [ Info ] $*"
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echo ""
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}
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ok (){
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echo ""
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echo -e " [ Ok ] $*"
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echo ""
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}
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#---------------------------------------
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#-----------------------------
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# Check some prerequisites
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#-----------------------------
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#---------------------------------------
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if [ -z "`which basename`" ]; then
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fatal 'It seems "basename" is not installed, but needed!'
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fi
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if [ -z "`which realpath`" ]; then
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fatal 'It seems "realpath" is not installed, but needed!'
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fi
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php_cgi=$(realpath $(which php-cgi) 2>/dev/null ) > /dev/null 2>&1
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if [[ -z "$php_cgi" ]]; then
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if [[ -x "/usr/local/php/bin/php-cgi" ]]; then
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php_cgi="/usr/local/php/bin/php-cgi"
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else
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fatal "No 'php-cgi' binary found."
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fi
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fi
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#---------------------------------------
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#-----------------------------
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# Jobhandling
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#-----------------------------
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#---------------------------------------
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#LOCK_DIR=`mktemp -d`
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## - Remove lockdir when the script finishes, or when it receives a signal
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#trap 'rm -rf "$LOCK_DIR"' 0 2 15
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#---------------------------------------
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#-----------------------------
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# Checking ..
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#-----------------------------
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#---------------------------------------
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if $LOGGING ; then
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echo -e "\nChecking for zombie processes \"$php_cgi\" on \"`hostname -f`\".."
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fi
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if `ps -Ao"stat,command" | grep "$(basename $php_cgi)" | grep -v grep | grep -e '^[zZ]' > /dev/null 2>&1` ; then
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warn "Found Zombie Processes \"$php_cgi\" on \"`hostname -f`\":\n"
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ps -Ao"stat,user,pid,ppid,command" | grep "$(basename $php_cgi)" | grep -v grep | grep -e '^[zZ]'
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membefore=`cat /proc/meminfo | grep Committed_AS | awk '{print $2}'`
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info "Trying a graceful kill to the concerning parents with signal \"$KILL_SIGNAL\".."
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ps -Ao"stat,pid,ppid,command" | grep "$(basename $php_cgi)" | grep -v grep | grep -e '^[zZ]' \
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| awk '{ print $3 }' | sort -u | xargs --no-run-if-empty kill -$KILL_SIGNAL
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if [ "$?" = "0" ];then
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sleep 10
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ok "Cleaning up zombie processes \"$php_cgi\" seems succsessfully finisched"
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memafter=`cat /proc/meminfo | grep Committed_AS | awk '{print $2}'`
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info "`expr $membefore - $memafter` KB RAM has been freed"
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else
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error "Cleaning up zombie processes \"$php_cgi\" failed!"
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fi
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else
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if $LOGGING ; then
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ok "No zombie prossses found"
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fi
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fi
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exit 0
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