backup
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Louwrentius
parent
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116
ppss
116
ppss
@ -26,7 +26,7 @@
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trap 'kill_process' SIGINT
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SCRIPT_NAME="Distributed Parallel Processing Shell Script"
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SCRIPT_VERSION="2.81"
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SCRIPT_VERSION="2.83"
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#
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# The first argument to this script can be a mode.
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@ -89,6 +89,7 @@ ACTIVE_WORKERS="0"
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DAEMON_POLLING_INTERVAL="10"
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STAT=""
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DAEMON_FILE_AGE="4"
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ENABLE_INPUT_LOCK="0"
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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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@ -118,6 +119,7 @@ ITEM_ESCAPED=""
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DISABLE_SKIPPING=0
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NODE_STATUS="$PPSS_DIR/status.txt"
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DAEMON=0
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EMAIL=""
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REGISTER="" # For STACK
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STACK=""
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@ -136,6 +138,7 @@ showusage_short () {
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echo " $0 -d /dir/with/some/files -c 'gzip '"
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echo " $0 -d /dir/with/some/files -c 'cp \"\$ITEM\" /tmp' -p 2"
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echo " $0 -f <file> -c 'wget -q -P /destination/directory \"\$ITEM\"' -p 10"
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echo
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}
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showusage_normal () {
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@ -178,15 +181,19 @@ showusage_normal () {
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echo -e "--quiet | -q Shows no output except for a progress indication using percents."
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echo
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echo -e "--delay | -D Adds an initial random delay to the start of all parallel jobs to spread"
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echo -e " the load. The delay is only used at the start of all 'threads'."
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echo -e " the load. The delay (seconds) is only used at the start of all 'threads'."
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echo
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echo -e "--daemon Do not exit after items are professed, but keep looking for new items"
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echo -e " and process them. Read the manual how to use this!"
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echo -e "--daemon Daemon mode. Do not exit after items are professed, but keep looking "
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echo -e " for new items and process them. Read the manual how to use this!"
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echo -e " See --help for important additional options regarding daemon mode."
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echo
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echo -e "--no-recursion|-r By default, recursion of directories is enabled when the -d option is "
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echo -e " used. If this is not prefered, this can be disabled with this option "
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echo -e " Only files within the specified directory will be processed."
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echo
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echo -e "--email | -e PPSS sends an e-mail if PPSS has finished. It is also used if processing"
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echo -e " of an item has failed (configurable, see -h). "
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echo
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echo -e "--help Extended help, including options for distributed mode and Amazon EC2."
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echo
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echo -e "Example: encoding some wav files to mp3 using lame:"
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@ -254,6 +261,24 @@ showusage_long () {
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echo -e "--daemon Do not exit after items are professed, but keep looking for new items"
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echo -e " and process them. Read the manual how to use this!"
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echo
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echo -e "--interval Specifies the polling interval when running in daemon mode. Polls every"
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echo -e " x seconds for new items to process."
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echo
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echo -e "--file-age When not using inotify, specify how many seconds must have passed before"
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echo -e " a file may be processed to prevent files being processed while being "
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echo -e " written to."
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echo
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echo -e "--disable-inotify If for some reason, inotify must not be used, use this option to disable"
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echo -e " usage of inotify. Regular polling will be used."
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echo
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echo -e "--enable-input-lock When PPSS is run in daemon mode, create a directory INPUT_LOCK to"
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echo -e " signal that items are processed and may not be touched by PPSS."
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echo -e " Once this directory is removed, PPSS will start processing items."
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echo
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echo -e "--no-recursion|-r By default, recursion of directories is enabled when the -d option is "
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echo -e " used. If this is not prefered, this can be disabled with this option "
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echo -e " Only files within the specified directory will be processed."
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echo
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echo -e "--no-recursion|-r By default, recursion of directories is enabled when the -d option is "
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echo -e " used. If this is not prefered, this can be disabled with this option."
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echo -e " Only files within the specified directory will be processed."
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@ -449,7 +474,6 @@ is_var_empty () {
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fi
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}
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detect_inotify () {
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if [ -e /usr/bin/inotifywait ] && [ ! "$INOTIFY" = "0" ]
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@ -546,6 +570,10 @@ process_arguments () {
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INOTIFY=0
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add_var_to_config INOTIFY "$INOTIFY"
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shift 1 ;;
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--enable-input-lock)
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ENABLE_INPUT_LOCK=1
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add_var_to_config ENABLE_INPUT_LOCK "$ENABLE_INPUT_LOCK"
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shift 1 ;;
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--daemon)
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DAEMON="1"
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QUIET="1"
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@ -563,6 +591,11 @@ process_arguments () {
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is_var_empty "$2"
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add_var_to_config DAEMON_FILE_AGE "$DAEMON_FILE_AGE"
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shift 2 ;;
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--email|-e)
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is_var_empty "$2"
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EMAIL="$2"
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add_var_to_config EMAIL "$EMAIL"
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shift 2 ;;
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--awskeypair|-P)
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AWS_KEYPAIR="$2"
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add_var_to_config AWS_KEYPAIR "$AWS_KEYPAIR"
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@ -1435,13 +1468,9 @@ random_delay () {
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fi
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NUMBER=$RANDOM
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let "NUMBER %= $ARGS"
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if [ "$ARCH" == "SunOS" ]
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then
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sleep "$NUMBER"
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else
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sleep "0.$NUMBER"
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fi
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sleep "$NUMBER"
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}
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escape_item () {
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@ -1709,7 +1738,7 @@ remove_processed_items_from_input_file () {
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get_all_items () {
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if [ "$DAEMON" == "1" ]
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if [ "$DAEMON" == "1" ] && [ "$INOTIFY" = "0" ] && [ "$ENABLE_INPUT_LOCK" = "1" ]
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then
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GLOBAL_COUNTER=1
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get_input_lock
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@ -1900,7 +1929,24 @@ elapsed () {
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MINS="$(expr $(expr $REMAINDER - $SECS) / 60)"
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RES=$(printf "Total processing time (hh:mm:ss): %02d:%02d:%02d" $HOURS $MINS $SECS)
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log DSPLY "$RES"
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echo "$RES"
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}
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mail_on_error () {
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ITEM="$1"
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LOGFILE="$2"
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if [ "$MAIL_ON_ERROR" = "1" ]
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then
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cat "$LOGFILE" | mail -s "$HOSTNAME - PPSS: procesing failed for item." "$EMAIL"
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if [ "$?" = "0" ]
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then
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log DEBUG "Error mail sent."
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else
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log ERROR "Sending of error email failed."
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fi
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fi
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}
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commando () {
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@ -2073,6 +2119,7 @@ commando () {
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# Some error logging. Success or fail.
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if [ ! "$ERROR" == "0" ]
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then
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mail_on_error "$ITEM" "$ITEM_LOG_FILE"
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echo -e "Status:\t\tFAILURE" >> "$ITEM_LOG_FILE"
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else
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echo -e "Status:\t\tSUCCESS" >> "$ITEM_LOG_FILE"
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@ -2182,7 +2229,7 @@ run_command () {
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INPUT="$REGISTER"
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fi
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log DEBUG "Now processing $INPUT"
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log INFO "Now processing $INPUT"
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if [ ! -d "$INPUT" ] && [ ! -z "$INPUT" ]
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then
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@ -2217,6 +2264,31 @@ display_jobs_remaining () {
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fi
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}
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show_eta () {
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CURRENT_PROCESSED=$((GLOBAL_COUNTER-MAX_NO_OF_RUNNING_JOBS))
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TOTAL="$SIZE_OF_INPUT"
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START_TIME=$START_PPSS
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NOW=`get_time_in_seconds`
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if [ "$CURRENT_PROCESSED" -le "0" ]
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then
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return 0
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else
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TIME_PER_ITEM=$(( (NOW-START_TIME)/CURRENT_PROCESSED ))
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TOTAL_TIME=$(( ($TIME_PER_ITEM * SIZE_OF_INPUT) + $TIME_PER_ITEM ))
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TOTAL_TIME_IN_SECONDS=$((START_TIME+TOTAL_TIME))
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if [ "$ARCH" = "Darwin" ]
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then
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DATE=`date -r $TOTAL_TIME_IN_SECONDS`
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else
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DATE=`date -d @$TOTAL_TIME_IN_SECONDS`
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fi
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echo
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log DSPLY "ETA: $DATE"
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fi
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}
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display_progress () {
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if [ "$DAEMON" = "0" ]
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@ -2228,6 +2300,7 @@ display_progress () {
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if [ "$QUIET" == "0" ]
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then
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log PRCNT "Currently $PERCENT percent complete. Processed $GLOBAL_COUNTER of $SIZE_OF_INPUT items."
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show_eta
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elif [ "$DAEMON" == "0" ]
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then
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echo -en "\r$PERCENT%"
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@ -2251,7 +2324,6 @@ terminate_listener () {
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if [ ! -z "$SSH_MASTER_PID" ]
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then
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log DEBUG "SSH master PID is $SSH_MASTER_PID"
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kill "$SSH_MASTER_PID"
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else
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log DEBUG "SSH master PID is empty."
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@ -2275,6 +2347,16 @@ terminate_listener () {
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then
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echo
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fi
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if [ ! -z "$EMAIL" ]
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then
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echo "PPSS job finished." | mail -s "$HOSTNAME - PPSS has finished." "$EMAIL"
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if [ ! "$?" = "0" ]
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then
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log ERROR "Sending os status mail failed."
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fi
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fi
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cleanup
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}
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@ -2422,7 +2504,7 @@ listen_for_job () {
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while read event <& 42
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do
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log DEBUG "Current active workers is $ACTIVE_WORKERS"
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log INFO "Current active workers is $ACTIVE_WORKERS"
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if [ "$event" = "$START_KEY" ]
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then
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@ -2455,7 +2537,7 @@ listen_for_job () {
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infanticide
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break
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else
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log DEBUG "Event $event is an item!"
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log DEBUG "Event is an item."
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stack_push "$event"
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run_command
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fi
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@ -1,7 +1,7 @@
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#!/bin/bash
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DEBUG="$1"
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VERSION="2.81"
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VERSION="2.82"
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TMP_DIR="/tmp/ppss"
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PPSS=./ppss
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PPSS_DIR=ppss_dir
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