Removed all file locking, except for remote item locking.
This commit is contained in:
Louwrentius
parent
b922bd40e5
commit
6836784b54
253
ppss
253
ppss
@ -64,7 +64,7 @@ PAUSE_DELAY="60" # Polling every 1 minu
|
||||
STOP_SIGNAL="$PPSS_HOME_DIR/$PPSS_DIR/stop_signal" # Stop processing if this file is present.
|
||||
GLOBAL_COUNTER=""
|
||||
GLOBAL_COUNTER_FILE="$PPSS_DIR/ppss-input-counter-$PID"
|
||||
LOCAL_INPUT_FILE="$PPSS_DIR/INPUT_FILE-$PID"
|
||||
LISTOFITEMS="$PPSS_DIR/INPUT_FILE-$PID"
|
||||
JOB_LOG_DIR="$PPSS_DIR/job_log" # Directory containing log files of processed items.
|
||||
LOGFILE="$PPSS_DIR/ppss-log-$PID.txt" # General PPSS log file. Contains lots of info.
|
||||
QUIET="0"
|
||||
@ -76,6 +76,7 @@ LISTENER_PID=""
|
||||
IFS_BACKUP="$IFS"
|
||||
CPUINFO="/proc/cpuinfo"
|
||||
PROCESSORS=""
|
||||
START_KEY="$RANDOM$RANDOM$RANDOM"
|
||||
STOP_KEY="$RANDOM$RANDOM$RANDOM" # This is a signal to the listener to stop.
|
||||
KILL_KEY="$RANDOM$RANDOM$RANDOM" # This is a signal to stop immediately and kill
|
||||
RECURSION="1" # all running processes.
|
||||
@ -108,6 +109,7 @@ SECURE_COPY="1" # If set, use SCP, Otherwise, use cp.
|
||||
REMOTE_OUTPUT_DIR="" # Remote directory to which output must be uploaded.
|
||||
SCRIPT="" # Custom user script that is executed by ppss.
|
||||
ITEM_ESCAPED=""
|
||||
DISABLE_SKIPPING=0
|
||||
NODE_STATUS="$PPSS_DIR/status.txt"
|
||||
DAEMON=0
|
||||
|
||||
@ -710,16 +712,15 @@ process_arguments () {
|
||||
then
|
||||
showusage_short
|
||||
echo
|
||||
log ERROR "No source file or directory specified with -f or -d."
|
||||
cleanup
|
||||
echo "No source file or directory specified with -f or -d."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -e "$SRC_DIR" ] && [ -z "$MODE" ]
|
||||
if [ ! -e "$SRC_DIR" ] && [ -z "$MODE" ] && [ -z "$INPUT_FILE" ]
|
||||
then
|
||||
showusage_short
|
||||
echo
|
||||
log ERROR "Source directory $SRC_DIR does not exist."
|
||||
echo "Source directory $SRC_DIR does not exist."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
@ -863,8 +864,6 @@ log () {
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# Init all vars
|
||||
init_vars () {
|
||||
|
||||
#
|
||||
@ -1006,7 +1005,6 @@ set_status () {
|
||||
echo "$HOSTNAME $STATUS" > "$NODE_STATUS"
|
||||
}
|
||||
|
||||
|
||||
check_status () {
|
||||
|
||||
ERROR="$1"
|
||||
@ -1362,52 +1360,6 @@ random_delay () {
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
global_lock () {
|
||||
|
||||
mkdir $GLOBAL_LOCK > /dev/null 2>&1
|
||||
ERROR="$?"
|
||||
|
||||
if [ ! "$ERROR" == "0" ]
|
||||
then
|
||||
return 1
|
||||
else
|
||||
return 0
|
||||
fi
|
||||
}
|
||||
|
||||
get_global_lock () {
|
||||
|
||||
while true
|
||||
do
|
||||
global_lock
|
||||
ERROR="$?"
|
||||
if [ ! "$ERROR" == "0" ]
|
||||
then
|
||||
#random_delay $MAX_LOCK_DELAY
|
||||
continue
|
||||
else
|
||||
break
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
release_global_lock () {
|
||||
|
||||
rm -rf "$GLOBAL_LOCK"
|
||||
}
|
||||
|
||||
are_jobs_running () {
|
||||
|
||||
NUMBER_OF_PROCS=`jobs | wc -l`
|
||||
if [ "$NUMBER_OF_PROCS" -gt "1" ]
|
||||
then
|
||||
return 0
|
||||
else
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
escape_item () {
|
||||
|
||||
TMP="$1"
|
||||
@ -1574,9 +1526,9 @@ get_all_items () {
|
||||
get_input_lock
|
||||
fi
|
||||
|
||||
if [ -e "$LOCAL_INPUT_FILE" ] && are_we_sourced
|
||||
if [ -e "$LISTOFITEMS" ] && are_we_sourced
|
||||
then
|
||||
rm "$LOCAL_INPUT_FILE"
|
||||
rm "$LISTOFITEMS"
|
||||
fi
|
||||
|
||||
count=0
|
||||
@ -1587,11 +1539,11 @@ get_all_items () {
|
||||
then
|
||||
if [ "$RECURSION" == "1" ]
|
||||
then
|
||||
`exec_cmd "find $SRC_DIR/ ! -type d" > "$LOCAL_INPUT_FILE"`
|
||||
`exec_cmd "find $SRC_DIR/ ! -type d" > "$LISTOFITEMS"`
|
||||
check_status "$?" "$FUNCNAME" "Could not list files within remote source directory."
|
||||
else
|
||||
log DEBUG "Recursion is disabled."
|
||||
`exec_cmd "find $SRC_DIR/ -d 1 ! -type d" > "$LOCAL_INPUT_FILE"`
|
||||
`exec_cmd "find $SRC_DIR/ -d 1 ! -type d" > "$LISTOFITEMS"`
|
||||
check_status "$?" "$FUNCNAME" "Could not list files within remote source directory."
|
||||
fi
|
||||
else
|
||||
@ -1600,14 +1552,14 @@ get_all_items () {
|
||||
if [ "$RECURSION" == "1" ]
|
||||
then
|
||||
log DEBUG "Recursion is enabled."
|
||||
`find "$SRC_DIR"/ ! -type d >> "$LOCAL_INPUT_FILE"`
|
||||
`find "$SRC_DIR"/ ! -type d >> "$LISTOFITEMS"`
|
||||
check_status "$?" "$FUNCNAME" "Could not list files within local source directory."
|
||||
else
|
||||
log DEBUG "Recursion is disabled."
|
||||
`find "$SRC_DIR"/ -d 1 ! -type d >> "$LOCAL_INPUT_FILE"`
|
||||
`find "$SRC_DIR"/ -d 1 ! -type d >> "$LISTOFITEMS"`
|
||||
check_status "$?" "$FUNCNAME" "Could not list files within local source directory."
|
||||
fi
|
||||
if [ ! -e "$LOCAL_INPUT_FILE" ]
|
||||
if [ ! -e "$LISTOFITEMS" ]
|
||||
then
|
||||
log ERROR "Local input file is not created, something is wrong. Bug?"
|
||||
set_status "ERROR"
|
||||
@ -1634,13 +1586,13 @@ get_all_items () {
|
||||
|
||||
if [ ! "$INPUT_FILE" == "-" ]
|
||||
then
|
||||
cp "$INPUT_FILE" "$LOCAL_INPUT_FILE"
|
||||
cp "$INPUT_FILE" "$LISTOFITEMS"
|
||||
check_status "$?" "$FUNCNAME" "Copy of input file failed!"
|
||||
else
|
||||
log DEBUG "Reading from stdin.."
|
||||
while read LINE
|
||||
do
|
||||
echo "$LINE" >> "$LOCAL_INPUT_FILE"
|
||||
echo "$LINE" >> "$LISTOFITEMS"
|
||||
done
|
||||
fi
|
||||
fi
|
||||
@ -1650,7 +1602,7 @@ get_all_items () {
|
||||
release_input_lock
|
||||
fi
|
||||
|
||||
SIZE_OF_INPUT=$(wc -l "$LOCAL_INPUT_FILE" | awk '{ print $1 }')
|
||||
SIZE_OF_INPUT=$(wc -l "$LISTOFITEMS" | awk '{ print $1 }')
|
||||
if [ "$SIZE_OF_INPUT" -le "0" ]
|
||||
then
|
||||
log ERROR "Source file/dir seems to be empty."
|
||||
@ -1658,6 +1610,7 @@ get_all_items () {
|
||||
cleanup
|
||||
exit 1
|
||||
fi
|
||||
|
||||
}
|
||||
|
||||
get_item () {
|
||||
@ -1668,18 +1621,15 @@ get_item () {
|
||||
then
|
||||
return 1
|
||||
fi
|
||||
|
||||
get_global_lock
|
||||
|
||||
SIZE_OF_INPUT=$(wc -l "$LOCAL_INPUT_FILE" | awk '{ print $1 }')
|
||||
SIZE_OF_INPUT=$(wc -l "$LISTOFITEMS" | awk '{ print $1 }')
|
||||
#
|
||||
# Return error if the list is empty.
|
||||
#
|
||||
if [ "$SIZE_OF_INPUT" -le "0" ]
|
||||
then
|
||||
release_global_lock
|
||||
return 1
|
||||
fi
|
||||
#if [ "$SIZE_OF_INPUT" -le "0" ]
|
||||
#then
|
||||
# return 1
|
||||
#fi
|
||||
|
||||
#
|
||||
# This variable is used to walk thtough all input file items.
|
||||
@ -1689,21 +1639,17 @@ get_item () {
|
||||
#
|
||||
# Check if all items have been processed.
|
||||
#
|
||||
if [ "$GLOBAL_COUNTER" -gt "$SIZE_OF_INPUT" ]
|
||||
then
|
||||
release_global_lock
|
||||
return 1
|
||||
fi
|
||||
#if [ "$GLOBAL_COUNTER" -gt "$SIZE_OF_INPUT" ]
|
||||
#then
|
||||
# return 1
|
||||
#fi
|
||||
|
||||
ITEM="$(sed -n $GLOBAL_COUNTER\p $LOCAL_INPUT_FILE)"
|
||||
ITEM="$(sed -n $GLOBAL_COUNTER\p $LISTOFITEMS)"
|
||||
|
||||
if [ -z "$ITEM" ]
|
||||
then
|
||||
((GLOBAL_COUNTER++))
|
||||
log DEBUG "Item was emtpy..."
|
||||
echo $GLOBAL_COUNTER > $GLOBAL_COUNTER_FILE
|
||||
release_global_lock
|
||||
get_item
|
||||
return 1
|
||||
else
|
||||
((GLOBAL_COUNTER++))
|
||||
echo $GLOBAL_COUNTER > $GLOBAL_COUNTER_FILE
|
||||
@ -1713,20 +1659,18 @@ get_item () {
|
||||
lock_item "$ITEM"
|
||||
LOCK="$?"
|
||||
else
|
||||
log DEBUG "Item lock disabled."
|
||||
log DEBUG "Item lock disabled - no remote server configured."
|
||||
LOCK=0
|
||||
fi
|
||||
if [ ! "$LOCK" = "0" ]
|
||||
then
|
||||
log DEBUG "Item $ITEM is locked."
|
||||
release_global_lock
|
||||
#
|
||||
# Recursion, get_ttem calls itself, until all items are done.
|
||||
#
|
||||
get_item
|
||||
else
|
||||
log DEBUG "Got lock on $ITEM, processing."
|
||||
release_global_lock
|
||||
download_item "$ITEM"
|
||||
return 0
|
||||
fi
|
||||
@ -1736,27 +1680,12 @@ get_item () {
|
||||
start_single_worker () {
|
||||
|
||||
#
|
||||
# This function sends an item to the fifo. This signals
|
||||
# the listener process to execute a 'worker' on this
|
||||
# item, using the 'commando' function.
|
||||
# This function kicks the listener to start a worker process.
|
||||
#
|
||||
get_item
|
||||
ERROR=$?
|
||||
if [ ! "$ERROR" == "0" ]
|
||||
if ! are_we_sourced
|
||||
then
|
||||
#
|
||||
# If no more items are available, the listener should be
|
||||
# informed that a worker just finished / died.
|
||||
# This allows the listener to determine if all processes
|
||||
# are finished and it is time to stop.
|
||||
#
|
||||
echo "$STOP_KEY" > $FIFO
|
||||
return 1
|
||||
else
|
||||
get_global_lock
|
||||
echo "$ITEM" > $FIFO
|
||||
release_global_lock
|
||||
return 0
|
||||
echo "$START_KEY" >> "$FIFO"
|
||||
return $?
|
||||
fi
|
||||
}
|
||||
|
||||
@ -1766,7 +1695,6 @@ stop-ppss () {
|
||||
elapsed "$START_PPSS" "$STOP_PPSS"
|
||||
}
|
||||
|
||||
|
||||
elapsed () {
|
||||
|
||||
BEFORE="$1"
|
||||
@ -1825,8 +1753,6 @@ commando () {
|
||||
# Therefore, the output directory must reflect the original directory
|
||||
# structure. If recursion is not used, this is not necessary.
|
||||
#
|
||||
|
||||
|
||||
if [ "$ERR_STATE" == "0" ]
|
||||
then
|
||||
VIRTUAL="0"
|
||||
@ -1850,17 +1776,6 @@ commando () {
|
||||
|
||||
OUTPUT_FILE="$ITEM_NO_PATH"
|
||||
|
||||
#
|
||||
# The following lines should only be enabled for debugging.
|
||||
#
|
||||
#log DEBUG "Processing item: $ITEM"
|
||||
#log DEBUG "ITEM_NO_PATH is $ITEM_NO_PATH"
|
||||
#log DEBUG "Dirname is $DIR_NAME"
|
||||
#log DEBUG "OUTPUT DIR IS $OUTPUT_DIR"
|
||||
#log DEBUG "Virtual is $VIRTUAL"
|
||||
#log DEBUG "OUTPUT FILE is $OUTPUT_FILE"
|
||||
#
|
||||
|
||||
#
|
||||
# Decide if an item must be transfered from server to the node.
|
||||
# or be processed in-place (NFS / SMB mount?)
|
||||
@ -1895,6 +1810,13 @@ commando () {
|
||||
LOG_FILE_NAME=`echo "$ITEM" | $MD5 | awk '{ print $1 }'`
|
||||
ITEM_LOG_FILE="$JOB_LOG_DIR/$LOG_FILE_NAME"
|
||||
|
||||
if [ -e "$ITEM_LOG_FILE" ] && [ "$DISABLE_SKIPPING" = "0" ]
|
||||
then
|
||||
log DEBUG "Item is already processed, skipping..."
|
||||
start_single_worker
|
||||
return 0
|
||||
fi
|
||||
|
||||
#
|
||||
# Create the output directory that will contain the output of the command.
|
||||
# Example: When converting wav to mp3, the mp3 will be put in this directory.
|
||||
@ -1941,9 +1863,11 @@ commando () {
|
||||
# the -c option.
|
||||
#
|
||||
BEFORE=`get_time_in_seconds`
|
||||
TMP=`echo $COMMAND | grep -i '$ITEM'`
|
||||
if [ "$?" ]
|
||||
`echo $COMMAND | grep -i '$ITEM' >> /dev/null 2>&1`
|
||||
RETVAL="$?"
|
||||
if [ "$RETVAL" = "0" ]
|
||||
then
|
||||
echo "$TMP - $RETVAL" >> /tmp/hoeba
|
||||
eval "$COMMAND" >> "$ITEM_LOG_FILE" 2>&1
|
||||
ERROR="$?"
|
||||
MYPID="$!"
|
||||
@ -1998,7 +1922,6 @@ commando () {
|
||||
#
|
||||
# Upload the output file back to the server.
|
||||
#
|
||||
|
||||
upload_item "$OUTPUT_DIR" "$DIR_NAME"
|
||||
|
||||
#
|
||||
@ -2018,61 +1941,55 @@ commando () {
|
||||
fi
|
||||
fi
|
||||
|
||||
if ! are_we_sourced
|
||||
then
|
||||
start_single_worker
|
||||
fi
|
||||
return $?
|
||||
start_single_worker
|
||||
}
|
||||
|
||||
#
|
||||
# This is the listener service. It listens on the pipe for events.
|
||||
# A job is executed for every event received.
|
||||
# This listener enables fully asynchronous processing.
|
||||
#
|
||||
listen_for_job () {
|
||||
|
||||
FINISHED=0
|
||||
DIED=0
|
||||
PIDS=""
|
||||
log DEBUG "Listener started."
|
||||
while read event <& 42
|
||||
do
|
||||
if [ "$event" == "$STOP_KEY" ]
|
||||
if [ "$event" = "$START_KEY" ]
|
||||
then
|
||||
#
|
||||
# The start_single_worker method sends a special signal to
|
||||
# inform the listener that a worker is finished.
|
||||
# If all workers are finished, it is time to stop.
|
||||
# This mechanism makes PPSS asynchronous.
|
||||
#
|
||||
((DIED++))
|
||||
if [ "$DIED" -ge "$MAX_NO_OF_RUNNING_JOBS" ]
|
||||
if get_item
|
||||
then
|
||||
if [ "$DAEMON" == "1" ]
|
||||
then
|
||||
#
|
||||
# In daemon mode, start all over again.
|
||||
#
|
||||
DIED=0
|
||||
get_all_items
|
||||
log DEBUG "Found $SIZE_OF_INPUT items."
|
||||
start_all_workers
|
||||
sleep 10
|
||||
else
|
||||
break
|
||||
fi
|
||||
commando "$ITEM" &
|
||||
MYPID="$!"
|
||||
disown
|
||||
PIDS="$PIDS $MYPID"
|
||||
else
|
||||
RES=$((MAX_NO_OF_RUNNING_JOBS-DIED))
|
||||
if [ "$RES" == "1" ] && [ "$QUIET" == "0" ]
|
||||
((DIED++))
|
||||
if [ "$DIED" -ge "$MAX_NO_OF_RUNNING_JOBS" ]
|
||||
then
|
||||
log PRCNT "$((MAX_NO_OF_RUNNING_JOBS-DIED)) job is remaining. "
|
||||
elif [ "$QUIET" == "0" ]
|
||||
then
|
||||
if [ "$DIED" == "1" ]
|
||||
if [ "$DAEMON" == "1" ]
|
||||
then
|
||||
echo -en "\n"
|
||||
#
|
||||
# In daemon mode, start all over again.
|
||||
#
|
||||
DIED=0
|
||||
get_all_items
|
||||
log DEBUG "Found $SIZE_OF_INPUT items."
|
||||
start_all_workers
|
||||
sleep 10
|
||||
else
|
||||
break
|
||||
fi
|
||||
else
|
||||
RES=$((MAX_NO_OF_RUNNING_JOBS-DIED))
|
||||
if [ "$RES" == "1" ] && [ "$QUIET" == "0" ]
|
||||
then
|
||||
log PRCNT "$((MAX_NO_OF_RUNNING_JOBS-DIED)) job is remaining. "
|
||||
elif [ "$QUIET" == "0" ]
|
||||
then
|
||||
if [ "$DIED" == "1" ]
|
||||
then
|
||||
echo -en "\n"
|
||||
fi
|
||||
log PRCNT "$((MAX_NO_OF_RUNNING_JOBS-DIED)) jobs are remaining. "
|
||||
fi
|
||||
log PRCNT "$((MAX_NO_OF_RUNNING_JOBS-DIED)) jobs are remaining. "
|
||||
fi
|
||||
fi
|
||||
elif [ "$event" == "$KILL_KEY" ]
|
||||
@ -2107,17 +2024,10 @@ listen_for_job () {
|
||||
done
|
||||
IFS=$oldIFS
|
||||
break
|
||||
else
|
||||
commando "$event" &
|
||||
MYPID="$!"
|
||||
disown
|
||||
PIDS="$PIDS $MYPID"
|
||||
fi
|
||||
|
||||
get_global_lock
|
||||
SIZE_OF_INPUT=$(wc -l "$LOCAL_INPUT_FILE" | awk '{ print $1 }')
|
||||
SIZE_OF_INPUT=$(wc -l "$LISTOFITEMS" | awk '{ print $1 }')
|
||||
GLOBAL_COUNTER=$(cat $GLOBAL_COUNTER_FILE)
|
||||
release_global_lock
|
||||
PERCENT=$((100 * $GLOBAL_COUNTER / $SIZE_OF_INPUT ))
|
||||
if [ "$DIED" == "0" ] && [ "$FINISHED" == "0" ]
|
||||
then
|
||||
@ -2168,7 +2078,6 @@ listen_for_job () {
|
||||
cleanup
|
||||
}
|
||||
|
||||
# This starts an number of parallel workers based on the # of parallel jobs allowed.
|
||||
start_all_workers () {
|
||||
|
||||
if [ "$MAX_NO_OF_RUNNING_JOBS" == "1" ]
|
||||
@ -2217,7 +2126,7 @@ show_status () {
|
||||
|
||||
get_all_items
|
||||
|
||||
ITEMS=`wc -l $LOCAL_INPUT_FILE | awk '{ print $1 }'`
|
||||
ITEMS=`wc -l $LISTOFITEMS | awk '{ print $1 }'`
|
||||
|
||||
if [ ! -z "$ITEMS" ] && [ ! "$ITEMS" == "0" ]
|
||||
then
|
||||
@ -2266,8 +2175,6 @@ show_status () {
|
||||
log DSPLY "$LINE"
|
||||
}
|
||||
|
||||
|
||||
# If this is called, the whole framework will execute.
|
||||
main () {
|
||||
|
||||
case $MODE in
|
||||
|
||||
Loading…
Reference in New Issue
Block a user