backup - broken
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Louwrentius
parent
04501ea92a
commit
a8bb31a575
104
ppss.sh
104
ppss.sh
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@ -41,12 +41,18 @@ trap 'kill_process; ' INT
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SCRIPT_NAME="Distributed Parallel Processing Shell Script"
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SCRIPT_VERSION="1.90"
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MODE="$1"
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shift
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QUIET="0"
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RUNNING_SIGNAL="$0_is_running" # Prevents running mutiple instances of PPSS..
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GLOBAL_LOCK="PPSS-GLOBAL-LOCK" # Global lock file used by local PPSS instance.
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PAUSE_SIGNAL="pause.txt" # Not implemented yet (pause processing).
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PAUSE_SIGNAL="pause_signal" # Not implemented yet (pause processing).
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PAUSE_DELAY=20
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STOP_SIGNAL="stop_signal"
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ARRAY_POINTER_FILE="ppss-array-pointer" #
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JOB_LOG_DIR="JOB_LOG" # Directory containing log files of processed items.
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LOGFILE="ppss-log.txt" # General PPSS log file. Contains lots of info.
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STOP=9 # STOP job.
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MAX_DELAY=2
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PERCENT="0"
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PID="$$"
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@ -93,7 +99,7 @@ showusage () {
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echo -e "\t- k \tSSH key file used for connection with 'PPSS master server'."
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echo -e "\t- t \tTransfer remote item to slave for local processing."
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echo -e "\t- o \tUpload output back to server into this directory."
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echo -e "\t- n \tDo *not* use scp for item transfer but use cp. "
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echo -e "\t- b \tDo *not* use scp for item transfer but use cp. "
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echo
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echo -e "Example: encoding some wav files to mp3 using lame:"
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echo
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@ -101,6 +107,8 @@ showusage () {
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echo
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}
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echo mode is $MODE
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kill_process () {
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kill $LISTENER_PID >> /dev/null 2>&1
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@ -158,6 +166,24 @@ does_file_exist () {
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fi
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}
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check_for_interrupt () {
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does_file_exist "$STOP_SIGNAL"
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if [ "$?" == "0" ]
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then
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log INFO "STOPPING job. Stop signal found."
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STOP="1"
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fi
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does_file_exist "$PAUSE_SIGNAL"
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if [ "$?" == "0" ]
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then
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log INFO "PAUSE: sleeping for 5 minutes."
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sleep $PAUSE_DELAY
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check_for_interrupt
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fi
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}
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cleanup () {
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@ -190,8 +216,6 @@ cleanup () {
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}
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# check if ppss is already running.
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is_running () {
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@ -205,25 +229,21 @@ is_running () {
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}
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# If no arguments are specified, show usage.
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if [ $# -eq 0 ]
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then
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showusage
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exit 1
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fi
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#if [ $# -eq 0 ]
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#then
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# showusage
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# exit 1
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#fi
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# If rubbish is givven as an argument, display usage info."
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echo $1 | grep -e ^- >> /dev/null
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ERROR=$?
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if [ ! "$ERROR" == "0" ]
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then
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showusage
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exit 1
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fi
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# Process any command-line options that are specified."
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while getopts ":c:d:f:i:jhk:l:no:p:s:tv" OPTIONS
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while getopts ":bc:d:f:i:jhk:l:n:o:p:s:tv" OPTIONS
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do
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case $OPTIONS in
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n )
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NODES_FILE="$OPTARG"
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;;
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f )
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INPUT_FILE="$OPTARG"
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;;
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@ -246,13 +266,12 @@ do
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k )
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SSH_KEY="-i $OPTARG"
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;;
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n )
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b )
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SECURE_COPY=0
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;;
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o )
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REMOTE_OUTPUT_DIR="$OPTARG"
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;;
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p )
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TMP="$OPTARG"
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if [ ! -z "$TMP" ]
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@ -279,9 +298,6 @@ do
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esac
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done
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# This function makes local and remote operation transparent.
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# Init all vars
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init_vars () {
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@ -328,7 +344,7 @@ init_vars () {
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fi
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does_file_exist "$ITEM_LOCK_DIR"
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if [ ! "$?" == "0" ]
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if [ ! "$?" == "0" ] && [ ! -z "$SSH_SERVER" ]
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then
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log DEBUG "Creating remote item lock dir."
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exec_cmd "mkdir $ITEM_LOCK_DIR"
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@ -602,6 +618,8 @@ upload_item () {
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lock_item () {
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if [ ! -z "$SSH_SERVER" ]
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then
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ITEM="$1"
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LOCK_FILE_NAME=`echo $ITEM | sed s/^\\\.//g |sed s/^\\\.\\\.//g | sed s/\\\///g`
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ITEM_LOCK_FILE="$ITEM_LOCK_DIR/$LOCK_FILE_NAME"
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@ -609,6 +627,7 @@ lock_item () {
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exec_cmd "mkdir $ITEM_LOCK_FILE >> /dev/null 2>&1"
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ERROR="$?"
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return "$ERROR"
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fi
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}
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release_item () {
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@ -674,6 +693,13 @@ get_all_items () {
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get_item () {
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check_for_interrupt
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if [ "$STOP" == "1" ]
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then
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return 1
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fi
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get_global_lock
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SIZE_OF_ARRAY="${#ARRAY[@]}"
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@ -769,8 +795,13 @@ commando () {
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then
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mv $ITEM $ITEM.error
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elif [ "$TRANSFER_TO_SLAVE" == "1" ]
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then
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if [ -e "$ITEM" ]
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then
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rm $ITEM
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else
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log DEBUG "ERROR Something went wrong removing item from local work dir."
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fi
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fi
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#release_item "$ITEM"
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@ -814,14 +845,37 @@ start_all_workers () {
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main () {
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is_running
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init_vars
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log DEBUG "---------------- START ---------------------"
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log INFO "$SCRIPT_NAME version $SCRIPT_VERSION"
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case $MODE in
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client )
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init_vars
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test_server
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get_all_items
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listen_for_job "$MAX_NO_OF_RUNNING_JOBS" &
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LISTENER_PID=$!
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start_all_workers
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;;
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server )
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init_vars
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echo "server"
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;;
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stop )
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#some stop
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;;
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deploy )
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deploy_ppss
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#somefunction
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;;
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show )
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# some show command
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;;
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* )
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showusage
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exit 1;;
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esac
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}
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# This command starts the that sets the whole framework in motion.
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main
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