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some distributed mode bug fixes

This commit is contained in:
louwrentius 2011-08-29 01:09:02 +00:00
parent eaa18282d1
commit 55f4b1f2e2
1 changed files with 148 additions and 44 deletions
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ppss
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@ -75,9 +75,9 @@ LISTENER_PID=""
IFS_BACKUP="$IFS"
CPUINFO="/proc/cpuinfo"
PROCESSORS=""
START_KEY="$RANDOM$RANDOM$RANDOM$RANDOM" # If this key is received by listener, start a new process
FAIL_KEY="$RANDOM$RANDOM$RANDOM$RANDOM" # if this key is received by listener, increase error count
KILL_KEY="$RANDOM$RANDOM$RANDOM$RANDOM" # This is a signal to stop immediately and kill PPSS
START_KEY="start-$RANDOM$RANDOM$RANDOM$RANDOM" # If this key is received by listener, start a new process
FAIL_KEY="fail-$RANDOM$RANDOM$RANDOM$RANDOM" # if this key is received by listener, increase error count
KILL_KEY="kill-$RANDOM$RANDOM$RANDOM$RANDOM" # This is a signal to stop immediately and kill PPSS
QUEUE=""
INOTIFY=""
RECURSION="1" # all running processes.
@ -96,6 +96,7 @@ ENABLE_INPUT_LOCK="0"
PROCESSING_TIME=""
NODE_ID="NODE_ID"
USE_MD5="0"
RANDOMIZE="0"
SSH_SERVER="" # Remote server or 'master'.
SSH_KEY="" # SSH key for ssh account.
@ -285,10 +286,6 @@ showusage_long () {
echo -e " used. If this is not prefered, this can be disabled with this option "
echo -e " Only files within the specified directory will be processed."
echo
echo -e "--no-recursion|-r By default, recursion of directories is enabled when the -d option is "
echo -e " used. If this is not prefered, this can be disabled with this option."
echo -e " Only files within the specified directory will be processed."
echo
echo -e "--md5|-M Use MD5 to create unique file names for locking and log file names."
echo -e " PPSS strips al non [:alnum:] characters of an item string and this may"
echo -e " cause collisions. String ABC!@# and ABC^&* will become both ABC___"
@ -335,6 +332,10 @@ showusage_long () {
echo
echo -e "--script | -S Script to run on the node. PPSS must copy this script to the node."
echo
echo -e "--randomize | -R Randomise which items to process by the client in distributed mode."
echo -e " This makes sure that with many nodes, some clients spend their time"
echo -e " trying to get a lock on an item."
echo
echo -e "Example: encoding some wav files to mp3 using lame:"
echo
echo -e "$0 -c 'lame ' -d /path/to/wavfiles -j "
@ -375,20 +376,19 @@ exec_cmd () {
then
if [ -z "$NOMP" ]
then
# log DEBUG "REMOTE EXEC"
# log DEBUG "$USER@$SSH_SERVER $CMD"
#log DEBUG "REMOTE EXEC"
ssh $SSH_OPTS $SSH_KEY $USER@$SSH_SERVER $CMD
STATUS=$?
elif [ "$NOMP" == "1" ]
then
# log DEBUG "REMOTE EXEC NO MP"
#log DEBUG "REMOTE EXEC NO MP"
ssh $SSH_OPTS_NOMP $SSH_KEY $USER@$SSH_SERVER $CMD
STATUS=$?
fi
else
eval "$CMD"
STATUS=$?
# log DEBUG "LOCAL EXEC - status is $STATUS"
log DEBUG "LOCAL EXEC - status is $STATUS"
fi
return $STATUS
}
@ -443,9 +443,12 @@ cleanup () {
for x in $MODES
do
if [ "$x" == "$MODE" ]
then
if [ "$x" != "node" ]
then
rm -rf "$PPSS_DIR"
fi
fi
done
if [ -e "$FIFO" ]
@ -462,6 +465,11 @@ cleanup () {
then
rm -rf "$SSH_SOCKET"
fi
if [ ! -z "$SSH_MASTER_PID" ]
then
kill "$SSH_MASTER_PID"
fi
}
add_var_to_config () {
@ -712,6 +720,10 @@ process_arguments () {
SECURE_COPY=0
add_var_to_config SECURE_COPY "$SECURE_COPY"
shift 1 ;;
--randomize |-R )
RANDOMIZE=1
add_var_to_config RANDOMIZE "$RANDOMIZE"
shift 1 ;;
--outputdir|-o )
REMOTE_OUTPUT_DIR="$2"
add_var_to_config REMOTE_OUTPUT_DIR "$REMOTE_OUTPUT_DIR"
@ -750,7 +762,6 @@ process_arguments () {
USER="$2"
add_var_to_config USER "$USER"
shift 2 ;;
--version|-v )
echo ""
echo "$SCRIPT_NAME version $SCRIPT_VERSION"
@ -1117,13 +1128,20 @@ init_vars () {
upload_status () {
scp -q $SSH_OPTS $SSH_KEY $NODE_STATUS_FILE $USER@$SSH_SERVER:$PPSS_HOME_DIR/$PPSS_NODE_STATUS/
#log DEBUG "scp $SSH_OPTS $SSH_KEY $NODE_STATUS_FILE $USER@$SSH_SERVER:$PPSS_HOME_DIR/$PPSS_NODE_STATUS/"
# scp -v $SSH_OPTS $SSH_KEY $NODE_STATUS_FILE $USER@$SSH_SERVER:$PPSS_HOME_DIR/$PPSS_NODE_STATUS/ >> scp.tmp 2>&1
if [ -e "$NODE_STATUS_FILE" ]
then
scp -vv -o GlobalKnownHostsFile=./known_hosts -i ppss-key.dsa $NODE_STATUS_FILE $USER@$SSH_SERVER:$PPSS_HOME_DIR/$PPSS_NODE_STATUS/ >> scp.tmp 2>&1
if [ "$?" == "0" ]
then
log DEBUG "Uploaded status to server ok."
else
log DEBUG "Uploaded status to server failed."
fi
else
log DEBUG "Status file not found thus not uploaded."
fi
}
set_status () {
@ -1131,10 +1149,20 @@ set_status () {
if [ ! -z "$SSH_SERVER" ]
then
STATUS="$1"
if [ -e "$LIST_OF_PROCESSED_ITEMS" ]
then
NO_PROCESSED=$(wc -l "$LIST_OF_PROCESSED_ITEMS" | awk '{ print $1 }' )
else
NO_PROCESSED="0"
fi
NODE=`cat $PPSS_DIR/$NODE_ID`
FAILED="$2"
if [ -z "$FAILED" ]
then
FAILED=0
fi
echo "$NODE $HOSTNAME $STATUS $NO_PROCESSED" "$FAILED" > "$NODE_STATUS_FILE"
upload_status
fi
@ -1157,6 +1185,13 @@ check_status () {
erase_ppss () {
SSH_SOCKET="ppss_ssh_socket-$NODE"
SSH_OPTS_NODE="-o BatchMode=yes -o ControlPath=$SSH_SOCKET \
-o GlobalKnownHostsFile=./known_hosts \
-o ControlMaster=auto \
-o Cipher=blowfish \
-o ConnectTimeout=5 "
echo "Are you realy sure you want to erase PPSS from all nodes!? (YES/NO)"
read YN
@ -1166,7 +1201,7 @@ erase_ppss () {
for NODE in `cat $NODES_FILE`
do
log DSPLY "Erasing PPSS homedir $PPSS_HOME_DIR from node $NODE."
ssh -q $SSH_KEY $SSH_OPTS $USER@$NODE "rm -rf $PPSS_HOME_DIR"
ssh -q $SSH_KEY $SSH_OPTS_NODE $USER@$NODE "rm -rf $PPSS_HOME_DIR"
done
else
log DSPLY "Aborting.."
@ -1277,6 +1312,12 @@ deploy () {
-o Cipher=blowfish \
-o ConnectTimeout=5 "
SSH_OPTS_SLAVE="-o BatchMode=yes -o ControlPath=$SSH_SOCKET \
-o GlobalKnownHostsFile=./known_hosts \
-o ControlMaster=no \
-o Cipher=blowfish \
-o ConnectTimeout=5 "
ERROR=0
set_error () {
@ -1288,36 +1329,38 @@ deploy () {
ERROR=1
fi
}
ssh -N -M $SSH_OPTS_NODE $SSH_KEY $USER@$NODE &
if [ ! -e "$SSH_SOCKET" ]
then
ssh -q -N $SSH_OPTS_NODE $SSH_KEY $USER@$NODE &
SSH_PID=$!
fi
is_screen_installed "$NODE"
KEY=`echo $SSH_KEY | cut -d " " -f 2`
ssh -q $SSH_OPTS_NODE $SSH_KEY $USER@$NODE "cd ~ && mkdir -p $PPSS_HOME_DIR && mkdir -p $PPSS_HOME_DIR/$JOB_LOG_DIR && mkdir -p $PPSS_HOME_DIR/ITEM_LOCK_DIR >> /dev/null 2>&1"
ssh -q $SSH_OPTS_SLAVE $SSH_KEY $USER@$NODE "cd ~ && mkdir -p $PPSS_HOME_DIR && mkdir -p $PPSS_HOME_DIR/$JOB_LOG_DIR && mkdir -p $PPSS_HOME_DIR/ITEM_LOCK_DIR >> /dev/null 2>&1"
set_error $?
ssh -q $SSH_OPTS_NODE $SSH_KEY $USER@$NODE "cd ~ && cd $PPSS_HOME_DIR && cd $PPSS_DIR && echo $NODE > $NODE_ID"
ssh -q $SSH_OPTS_SLAVE $SSH_KEY $USER@$NODE "cd ~ && cd $PPSS_HOME_DIR && cd $PPSS_DIR && echo $NODE > $NODE_ID"
set_error $?
scp -q $SSH_OPTS_NODE $SSH_KEY $0 $USER@$NODE:~/$PPSS_HOME_DIR
scp -q $SSH_OPTS_SLAVE $SSH_KEY $0 $USER@$NODE:~/$PPSS_HOME_DIR
set_error $?
scp -q $SSH_OPTS_NODE $SSH_KEY $KEY $USER@$NODE:~/$PPSS_HOME_DIR
scp -q $SSH_OPTS_SLAVE $SSH_KEY $KEY $USER@$NODE:~/$PPSS_HOME_DIR
set_error $?
scp -q $SSH_OPTS_NODE $SSH_KEY $CONFIG $USER@$NODE:~/$PPSS_HOME_DIR
scp -q $SSH_OPTS_SLAVE $SSH_KEY $CONFIG $USER@$NODE:~/$PPSS_HOME_DIR
set_error $?
scp -q $SSH_OPTS_NODE $SSH_KEY known_hosts $USER@$NODE:~/$PPSS_HOME_DIR
scp -q $SSH_OPTS_SLAVE $SSH_KEY known_hosts $USER@$NODE:~/$PPSS_HOME_DIR
set_error $?
if [ ! -z "$SCRIPT" ]
then
scp -q $SSH_OPTS_NODE $SSH_KEY $SCRIPT $USER@$NODE:~/$PPSS_HOME_DIR
scp -q $SSH_OPTS_SLAVE $SSH_KEY $SCRIPT $USER@$NODE:~/$PPSS_HOME_DIR
set_error $?
fi
if [ ! -z "$INPUT_FILE" ]
then
scp -q $SSH_OPTS_NODE $SSH_KEY $INPUT_FILE $USER@$NODE:~/$PPSS_HOME_DIR
scp -q $SSH_OPTS_SLAVE $SSH_KEY $INPUT_FILE $USER@$NODE:~/$PPSS_HOME_DIR
set_error $?
fi
@ -1341,7 +1384,7 @@ deploy_ppss () {
exit 1
fi
exec_cmd "mkdir $PPSS_HOME_DIR/$PPSS_NODE_STATUS"
exec_cmd "mkdir -p $PPSS_HOME_DIR/$PPSS_NODE_STATUS"
KEY=`echo $SSH_KEY | cut -d " " -f 2`
if [ -z "$KEY" ] || [ ! -e "$KEY" ]
@ -1389,6 +1432,19 @@ start_ppss_on_node () {
NODE="$1"
log DSPLY "Starting PPSS on node $NODE."
ssh $SSH_KEY $USER@$NODE -o ConnectTimeout=5 -o GlobalKnownHostsFile=./known_hosts "cd $PPSS_HOME_DIR ; screen -d -m -S PPSS ~/$PPSS_HOME_DIR/$0 node --config ~/$PPSS_HOME_DIR/$CONFIG"
if [ ! "$?" == "0" ]
then
log ERROR "PPSS failed to start on node $NODE."
fi
}
init_ssh_server_socket () {
if [ ! -e "$SSH_SOCKET" ]
then
DIR=`dirname $SSH_SOCKET`
mkdir -p "$DIR"
fi
}
test_server () {
@ -1396,20 +1452,15 @@ test_server () {
# Testing if the remote server works as expected.
if [ ! -z "$SSH_SERVER" ]
then
if [ ! -e "$SSH_SOCKET" ]
then
DIR=`dirname $SSH_SOCKET`
mkdir -p "$DIR"
fi
init_ssh_server_socket
exec_cmd "date >> /dev/null"
check_status "$?" "$FUNCNAME" "Server $SSH_SERVER could not be reached"
ssh -N -M $SSH_OPTS $SSH_KEY $USER@$SSH_SERVER &
SSH_MASTER_PID="$!"
log DEBUG "SSH Master pid is $SSH_MASTER_PID"
log DSPLY "Connected to server: $SSH_SERVER"
log INFO "Connected to server: $SSH_SERVER"
does_file_exist "$PPSS_HOME_DIR/$PPSS_DIR"
if [ ! "$?" = "0" ] && [ ! -z "$SSH_SERVER" ]
@ -1420,7 +1471,6 @@ test_server () {
else
log DEBUG "No remote server specified, assuming stand-alone mode."
fi
}
get_no_of_cpus () {
@ -1675,6 +1725,10 @@ lock_item () {
if [ "$INOTIFY" = "1" ] && [ "$DAEMON" = "1" ]
then
#
# In daemon mode, there is no risk that processes try to process
# the same item. Therefore, locking is not required.
#
return 0
else
ITEM="$1"
@ -1894,6 +1948,20 @@ get_all_items () {
fi
fi
if [ "$RANDOMIZE" == "1" ] && [ "$MODE" != "status" ]
then
log DEBUG "Randomizing input file."
IFS_BACK="$IFS"
IFS=$'\n'
TMP_FILE="$PPSS_DIR/TMP-$RANDOM$RANDOM.txt"
for i in `cat $LISTOFITEMS`; do echo "$RANDOM $i"; done | sort | sed -E 's/^[0-9]+ //' > "$TMP_FILE"
mv "$TMP_FILE" "$LISTOFITEMS"
IFS="$IFS_BACK"
else
log DEBUG "Randomisation of input file disabled."
fi
remove_processed_items_from_input_file
if [ "$DAEMON" == "1" ]
@ -1913,6 +1981,19 @@ get_all_items () {
}
are_all_items_locked () {
SIZE="$1"
NUMBER=`exec_cmd "ls -1 $ITEM_LOCK_DIR | wc -l"`
log DEBUG "$NUMBER of $SIZE items are locked."
if [ "$NUMBER" -ge "$SIZE" ]
then
return 0
else
return 1
fi
}
get_item () {
check_for_interrupt
@ -1949,6 +2030,18 @@ get_item () {
return 1
fi
#
# Quit if all items have been locked.
#
if are_all_items_locked "$SIZE_OF_INPUT"
then
log DEBUG "All items have been locked."
return 1
else
log DEBUG "There are still unlocked items."
fi
ITEM="$(sed -n $GLOBAL_COUNTER\p $LISTOFITEMS)"
if [ -z "$ITEM" ]
@ -2710,7 +2803,12 @@ get_status_of_nodes () {
RESULT_FILE="$1"
FAILED=0
ssh $SSH_OPTS $SSH_KEY $USER@$SSH_SERVER cat "$PPSS_HOME_DIR/$PPSS_NODE_STATUS/*" > "$RESULT_FILE" 2>&1
ssh -q $SSH_OPTS $SSH_KEY $USER@$SSH_SERVER cat "$PPSS_HOME_DIR/$PPSS_NODE_STATUS/*" > "$RESULT_FILE" 2>&1
if [ ! "$?" == "0" ]
then
log DSPLY "PPSS has not been started yet on nodes."
return 1
fi
IFS=$'\n'
@ -2747,7 +2845,6 @@ show_status () {
then
SSH_KEY="-i $SSH_KEY"
fi
get_all_items
ITEMS=`wc -l $LISTOFITEMS | awk '{ print $1 }'`
@ -2755,6 +2852,7 @@ show_status () {
if [ ! -z "$ITEMS" ] && [ ! "$ITEMS" == "0" ]
then
PROCESSED=`exec_cmd "ls -1 $PPSS_HOME_DIR/$ITEM_LOCK_DIR 2>/dev/null | wc -l" 1` 2>&1 >> /dev/null
check_status "$?" "Could not get number of processed items."
TMP_STATUS=$((100 * $PROCESSED / $ITEMS))
log DSPLY "Status:\t\t$TMP_STATUS percent complete."
else
@ -2774,8 +2872,7 @@ show_status () {
log DSPLY "---------------------------------------------------------"
PROCESSED=0
RESULT_FILE="$RADOM$RANDOM.deleteme"
get_status_of_nodes "$RESULT_FILE"
get_status_of_nodes "RESULT_FILE"
}
@ -2804,7 +2901,7 @@ main () {
else
for NODE in `cat $NODES_FILE`
do
start_ppss_on_node "$NODE"
start_ppss_on_node "$NODE" &
done
fi
cleanup
@ -2822,6 +2919,7 @@ main () {
LOGFILE=/dev/null
display_header
log DSPLY "Stopping PPSS on all nodes."
test_server
exec_cmd "touch $STOP_SIGNAL"
cleanup
;;
@ -2849,6 +2947,12 @@ main () {
;;
deploy )
LOGFILE=ppss-deploy.txt
if [ -e "$LOGFILE" ]
then
rm "$LOGFILE"
fi
init_ssh_server_socket
display_header
log DSPLY "Deploying PPSS on nodes. See ppss-deploy.txt for details."
deploy_ppss