Distributed ppss almost finished
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Louwrentius
parent
1bc583a5e1
commit
be8bf0886c
67
ppss.sh
67
ppss.sh
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@ -42,9 +42,9 @@ SCRIPT_NAME="Parallel Processing Shell Script"
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SCRIPT_VERSION="1.10"
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RUNNING_SIGNAL="$0_is_running"
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GLOBAL_LOCK="PPSS-$RANDOM-$RANDOM"
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GLOBAL_LOCK="PPSS-GLOBAL-LOCK"
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PAUSE_SIGNAL="pause.txt"
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ARRAY_POINTER_FILE="array-pointer-$RANDOM-$RANDOM"
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ARRAY_POINTER_FILE="ppss-array-pointer"
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JOB_LOG_DIR="JOB_LOG"
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LOGFILE="ppss-log.txt"
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MAX_DELAY=2
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@ -55,7 +55,7 @@ IFS_BACKUP="$IFS"
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SSH_SERVER="" # Remote server or 'master'.
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SSH_KEY="" # SSH key for ssh account.
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SSH_OPTS="-o \\"BatchMode=yes\\" -o \\"ControlPath /tmp/master-%r@%h:%p\\" -o \\"ControlMaster auto\\""
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SSH_OPTS="-o BatchMode=yes -o ControlPath=/tmp/master-%r@%h:%p -o ControlMaster=auto -o ConnectTimeout=5"
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SSH_MASTER_PID=""
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showusage () {
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@ -109,17 +109,17 @@ kill_process () {
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else
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cleanup
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echo -en "\033[1B"
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# The master SSH connection should be killed.
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if [ ! -z "$SSH_MASTER_PID" ]
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then
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kill -9 "$SSH_MASTER_PID"
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fi
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log INFO "Finished."
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echo ""
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exit 0
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fi
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done
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# The master SSH connection should be killed.
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if [ ! -z "$SSH_MASTER_PID" ]
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then
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kill -9 "$SSH_MASTER_PID"
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fi
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}
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@ -132,14 +132,14 @@ cleanup () {
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rm $FIFO
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fi
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if [ -e "$ARRAY_POINTER_FILE" ] && [ -z "$SSH_SERVER" ]
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if [ -e "$ARRAY_POINTER_FILE" ]
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then
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rm $ARRAY_POINTER_FILE
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fi
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if [ -e "$GLOBAL_LOCK" ] && [ -z "$SSH_SERVER" ]
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if [ -e "$GLOBAL_LOCK" ]
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then
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rm -rf "$GLOBAL_LOCK"
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rm -rf $GLOBAL_LOCK
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fi
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if [ -e "$RUNNING_SIGNAL" ]
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@ -242,12 +242,11 @@ done
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# This function makes local and remote operation transparent.
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exec_cmd () {
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CMD="$1"
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CMD="eval $1"
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if [ ! -z "$SSH_SERVER" ]
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then
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#ssh "$SSH_OPTS" "$SSH_KEY" "$SSH_SERVER" eval "$CMD"
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ssh "$SSH_SERVER" "$CMD"
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ssh $SSH_OPTS $SSH_KEY $SSH_SERVER $CMD
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else
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eval "$CMD"
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fi
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@ -257,7 +256,13 @@ exec_cmd () {
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does_file_exist () {
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FILE="$1"
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exec_cmd "if [ -e \"$FILE\" ]; then return 0; else return 1; fi"
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`exec_cmd "ls -1 $FILE >> /dev/null 2>&1"`
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if [ "$?" == "0" ]
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then
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return 0
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else
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return 1
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fi
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}
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@ -297,12 +302,14 @@ init_vars () {
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MAX_NO_OF_RUNNING_JOBS=`get_no_of_cpus $HYPERTHREADING`
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fi
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if [ ! -e "$JOB_LOG_DIR" ]
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does_file_exist "$JOB_LOG_DIR"
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if [ ! "$?" == "0" ]
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then
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log INFO "Job log directory $JOB_lOG_DIR does not exist. Creating."
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mkdir "$JOB_LOG_DIR"
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exec_cmd "mkdir $JOB_LOG_DIR"
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mkdir "$JOB_LOG_DIR" >> /dev/null 2>&1
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else
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log INFO "Job log directory $JOB_LOG_DIR exists, if it contains logs for items, these items will be skipiped."
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log INFO "Job log directory $JOB_LOG_DIR exists, if it contains logs for items, these items will be skipped."
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fi
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}
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@ -363,10 +370,10 @@ test_server () {
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# Testing if the remote server works as expected.
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if [ ! -z "$SSH_SERVER" ]
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then
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exec_cmd "date"
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exec_cmd "date >> /dev/null"
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check_status "$?" "$FUNCNAME" "Server $SSH_SERVER could not be reached"
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ssh -N -M "$SSH_OPTS" "$SSH_KEY" "$SSH_SERVER" &
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ssh -N -M $SSH_OPTS $SSH_KEY $SSH_SERVER &
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SSH_MASTER_PID="$!"
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else
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log DEBUG "No remote server specified, assuming stand-alone mode."
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@ -515,8 +522,8 @@ get_all_items () {
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then
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if [ ! -z "$SSH_SERVER" ] # Are we running stand-alone or as a slave?"
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then
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ITEMS=`exec_cmd ls -1 $SRC_DIR`
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check_status "$FUNCNAME" "Could not list files within remote source directory."
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ITEMS=`exec_cmd "ls -1 $SRC_DIR"`
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check_status "$?" "$FUNCNAME" "Could not list files within remote source directory."
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else
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ITEMS=`ls -1 $SRC_DIR`
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fi
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@ -531,8 +538,8 @@ get_all_items () {
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else
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if [ ! -z "$SSH_SERVER" ] # Are we running stand-alone or as a slave?"
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then
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scp "$SSH_KEY" "$SSH_SERVER:~/$INPUT_FILE" >> /dev/null 2>&!
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check_status "$FUNCNAME" "Could not copy input file."
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scp -q "$SSH_KEY" "$SSH_SERVER:~/$INPUT_FILE" >> /dev/null 2>&!
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check_status "$?" "$FUNCNAME" "Could not copy input file."
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fi
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exec 10<$INPUT_FILE
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@ -627,21 +634,21 @@ commando () {
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LOG_FILE_NAME=`echo $ITEM | sed s/^\\.//g | sed s/^\\.\\.//g | sed s/\\\///g`
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ITEM_LOG_FILE="$JOB_LOG_DIR/$LOG_FILE_NAME"
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does_file_exist "$ITEM_LOG_FILE"
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if [ "$0" == "0" ]
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does_file_exist "./$ITEM_LOG_FILE"
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if [ "$?" == "0" ]
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then
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log DEBUG "Skipping item $ITEM - already processed."
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else
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EXECME='$COMMAND"$ITEM" > "$ITEM_LOG_FILE" 2>&1'
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EXECME='$COMMAND"$ITEM" > "./$ITEM_LOG_FILE" 2>&1'
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eval "$EXECME"
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fi
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if [ ! -z "$SSH_SERVER" ]
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then
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get_global_lock
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scp "$SSH_KEY" "$ITEM_LOG_FILE" "$SSH_SERVER:~/$JOB_LOG"
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release_global_lock
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#get_global_lock
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scp -q $SSH_OPTS $SSH_KEY $ITEM_LOG_FILE $SSH_SERVER:~/$JOB_LOG_DIR &
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#release_global_lock
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fi
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start_single_worker
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