1464 lines
41 KiB
Bash
Executable File
1464 lines
41 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# PPSS, the Parallel Processing Shell Script
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#
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# Copyright (c) 2009, Louwrentius
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the <organization> nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY Louwrentius ''AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL Louwrentius BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#------------------------------------------------------------------------------
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# It should not be necessary to edit antyhing in this script..
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# Ofcource you can if it is necessary for your needs.
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# Send a patch if your changes may benefit others.
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#------------------------------------------------------------------------------
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# Handling control-c for a clean shutdown.
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trap 'kill_process; ' INT
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# Setting some vars. Do not change.
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SCRIPT_NAME="Distributed Parallel Processing Shell Script"
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SCRIPT_VERSION="2.14"
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# The first argument to this script is always the 'mode'.
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MODE="$1"
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shift
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CONFIG=""
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HOSTNAME=`hostname`
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ARCH=`uname`
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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_signal" # Pause processing if this file is present.
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PAUSE_DELAY=300 # Polling every 5 minutes by default.
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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=0 # STOP job.
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MAX_DELAY=2
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PERCENT="0"
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PID="$$"
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LISTENER_PID=""
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IFS_BACKUP="$IFS"
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INTERVAL="30" # Polling interval to check if there are running jobs.
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CPUINFO=/proc/cpuinfo
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PROCESSORS=""
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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_KNOWN_HOSTS=""
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SSH_SOCKET="/tmp/PPSS-ssh-socket" # Multiplex multiple SSH connections over 1 master.
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SSH_OPTS="-o BatchMode=yes -o ControlPath=$SSH_SOCKET \
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-o GlobalKnownHostsFile=./known_hosts \
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-o ControlMaster=auto \
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-o ConnectTimeout=15 "
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SSH_MASTER_PID=""
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PPSS_HOME_DIR="ppss"
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ITEM_LOCK_DIR="PPSS_ITEM_LOCK_DIR" # Remote directory on master used for item locking.
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PPSS_LOCAL_TMPDIR="PPSS_LOCAL_TMPDIR" # Local directory on slave for local processing.
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PPSS_LOCAL_OUTPUT="PPSS_LOCAL_OUTPUT" # Local directory on slave for local output.
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TRANSFER_TO_SLAVE="0" # Transfer item to slave via (s)cp.
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SECURE_COPY="1" # If set, use SCP, Otherwise, use cp.
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REMOTE_OUTPUT_DIR="" # Remote directory to which output must be uploaded.
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SCRIPT="" # Custom user script that is executed by ppss.
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ITEM_ESCAPED=""
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showusage () {
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echo
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echo "$SCRIPT_NAME"
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echo "Version: $SCRIPT_VERSION"
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echo
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echo "PPSS is a Bash shell script that executes commands in parallel on a set "
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echo "of items, such as files, or lines in a file."
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echo
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echo "Usage: $0 MODE [ options ]"
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echo " or "
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echo "Usage: $0 MODE -c <config file>"
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echo
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echo "Modes are:"
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echo
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echo " standalone For execution of PPSS on a single host."
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echo " node For execution of PPSS on a node, that is part of a 'cluster'."
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echo " config Generate a config file based on the supplied option parameters."
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echo " deploy Deploy PPSS and related files on the specified nodes."
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echo " erase Erase PPSS and related files from the specified nodes."
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echo
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echo " start Starting PPSS on nodes."
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echo " pause Pausing PPSS on all nodes."
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echo " stop Stopping PPSS on all nodes."
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echo
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echo "Options are:"
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echo
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echo -e "--command | -c Command to execute. Syntax: '<command> ' including the single quotes."
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echo -e " Example: -c 'ls -alh '. It is also possible to specify where an item "
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echo -e " must be inserted: 'cp \"\$ITEM\" /somedir'."
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echo
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echo -e "--sourcedir | -d Directory that contains files that must be processed. Individual files"
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echo -e " are fed as an argument to the command that has been specified with -c."
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echo
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echo -e "--sourcefile | -f Each single line of the supplied file will be fed as an item to the"
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echo -e " command that has been specified with -c."
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echo
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echo -e "--config | -c If the mode is config, a config file with the specified name will be"
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echo -e " generated based on all the options specified. In the other modes".
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echo -e " this option will result in PPSS reading the config file and start"
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echo -e " processing items based on the settings of this file."
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echo
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echo -e "--enable-ht | -j Enable hyperthreading. Is disabled by default."
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echo
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echo -e "--log | -l Sets the name of the log file. The default is ppss-log.txt."
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echo
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echo -e "--processes | -p Start the specified number of processes. Ignore the number of available"
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echo -e " CPU's."
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echo
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echo -e "The following options are used for distributed execution of PPSS."
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echo
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echo -e "--server | -s Specifies the SSH server that is used for communication between nodes."
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echo -e " Using SSH, file locks are created, informing other nodes that an item "
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echo -e " is locked. Also, often items, such as files, reside on this host. SCP "
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echo -e " is used to transfer files from this host to nodes for local procesing."
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echo
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echo -e "--node | -n File containig a list of nodes that act as PPSS clients. One IP / DNS "
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echo -e " name per line."
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echo
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echo -e "--key | -k The SSH key that a node uses to connect to the server."
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echo
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echo -e "--known-hosts | -K The file that contains the server public key. Can often be found on "
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echo -e " hosts that already once connected to the server. See the file "
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echo -e " ~/.ssh/known_hosts or else, manualy connect once and check this file."
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echo
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echo -e "--user | -u The SSH user name that is used when logging in into the master SSH"
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echo -e " server."
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echo
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echo -e "--script | -S Specifies the script/program that must be copied to the nodes for "
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echo -e " execution through PPSS. Only used in the deploy mode."
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echo -e " This option should be specified if necessary when generating a config."
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echo
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echo -e "--transfer | -t This option specifies that an item will be downloaded by the node "
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echo -e " from the server or share to the local node for processing."
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echo
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echo -e "--no-scp | -b Do not use scp for downloading items. Use cp instead. Assumes that a"
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echo -e " network file system (NFS/SMB) is mounted under a local mountpoint."
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echo
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echo -e "--outputdir | -o Directory on server where processed files are put. If the result of "
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echo -e " encoding a wav file is an mp3 file, the mp3 file is put in the "
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echo -e " directory specified with this option."
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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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echo -e "$0 standalone -c 'lame ' -d /path/to/wavfiles -j "
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echo
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echo -e "Running PPSS based on a configuration file."
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echo
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echo -e "$0 node -C config.cfg"
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echo
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echo -e "Running PPSS on a client as part of a cluster."
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echo
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echo -e "$0 node -d /somedir -c 'cp "$ITEM" /some/destination' -s 10.0.0.50 -u ppss -t -k ppss-key.key"
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echo
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}
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kill_process () {
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kill $LISTENER_PID >> /dev/null 2>&1
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while true
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do
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JOBS=`ps ax | grep -v grep | grep -v -i screen | grep ppss.sh | grep -i bash | wc -l`
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if [ "$JOBS" -gt "2" ]
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then
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for x in `ps ax | grep -v grep | grep -v -i screen | grep ppss.sh | grep -i bash | awk '{ print $1 }'`
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do
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if [ ! "$x" == "$PID" ] && [ ! "$x" == "$$" ]
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then
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kill -9 $x >> /dev/null 2>&1
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fi
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done
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sleep 5
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else
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cleanup
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echo -en "\033[1B"
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# The master SSH connection should be killed.
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if [ ! -z "$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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echo ""
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exit 0
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fi
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done
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}
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exec_cmd () {
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CMD="$1"
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if [ ! -z "$SSH_SERVER" ] && [ "$SECURE_COPY" == "1" ]
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then
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ssh $SSH_OPTS $SSH_KEY $USER@$SSH_SERVER $CMD
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else
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eval "$CMD"
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fi
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}
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# this function makes remote or local checking of existence of items transparent.
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does_file_exist () {
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FILE="$1"
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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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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 $PAUSE_DELAY SECONDS."
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sleep $PAUSE_DELAY
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check_for_interrupt
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fi
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}
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cleanup () {
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#log DEBUG "$FUNCNAME - Cleaning up all temp files and processes."
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if [ -e "$FIFO" ]
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then
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rm $FIFO
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fi
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if [ -e "$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" ]
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then
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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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then
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rm "$RUNNING_SIGNAL"
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fi
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if [ -e "$SSH_SOCKET" ]
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then
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rm -rf "$SSH_SOCKET"
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fi
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}
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# check if ppss is already running.
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is_running () {
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if [ -e "$RUNNING_SIGNAL" ] && [ ! "$MODE" == "kill" ]
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then
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echo
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log INFO "$0 is already running (lock file exists)."
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echo
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exit 1
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fi
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}
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add_var_to_config () {
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if [ "$MODE" == "config" ]
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then
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VAR="$1"
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VALUE="$2"
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echo -e "$VAR=$VALUE" >> $CONFIG
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fi
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}
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# Process any command-line options that are specified."
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while [ $# -gt 0 ]
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do
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case $1 in
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--config|-C )
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CONFIG="$2"
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if [ "$MODE" == "config" ]
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then
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if [ -e "$CONFIG" ]
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then
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echo "Do want to overwrite existing config file?"
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read yn
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if [ "$yn" == "y" ]
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then
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rm "$CONFIG"
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else
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echo "Aborting..."
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cleanup
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exit
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fi
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fi
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fi
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if [ ! "$MODE" == "config" ]
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then
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source $CONFIG
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fi
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if [ ! -z "$SSH_KEY" ]
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then
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SSH_KEY="-i $SSH_KEY"
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fi
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if [ ! -e "./known_hosts" ]
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then
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if [ -e $SSH_KNOWN_HOSTS ]
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then
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cat $SSH_KNOWN_HOSTS > ./known_hosts
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else
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echo "File $SSH_KNOWN_HOSTS does not exist."
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exit
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fi
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fi
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shift 2
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;;
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--node|-n )
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NODES_FILE="$2"
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add_var_to_config NODES_FILE "$NODES_FILE"
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shift 2
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;;
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--sourcefile|-f )
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INPUT_FILE="$2"
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add_var_to_config INPUT_FILE "$INPUT_FILE"
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shift 2
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;;
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--sourcedir|-d )
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SRC_DIR="$2"
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add_var_to_config SRC_DIR "$SRC_DIR"
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shift 2
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;;
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--command|-c )
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COMMAND=$2
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if [ "$MODE" == "config" ]
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then
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COMMAND=\'$COMMAND\'
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add_var_to_config COMMAND "$COMMAND"
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fi
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shift 2
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;;
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--help|-h )
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showusage
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exit 1;;
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--homedir|-H )
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if [ ! -z "$2" ]
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then
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PPSS_HOME_DIR="$2"
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add_var_to_config PPSS_HOME_DIR $PPSS_HOME_DIR
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shift 2
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fi
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;;
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--disable-ht|-j )
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HYPERTHREADING=no
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add_var_to_config HYPERTHREADING $HYPERTHREADING
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shift 1
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;;
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--log|-l )
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LOGFILE="$2"
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add_var_to_config LOGFILE "$LOGFILE"
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shift 2
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;;
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--key|-k )
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SSH_KEY="$2"
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add_var_to_config SSH_KEY "$SSH_KEY"
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if [ ! -z "$SSH_KEY" ]
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then
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SSH_KEY="-i $SSH_KEY"
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fi
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shift 2
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;;
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--known-hosts | -K )
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SSH_KNOWN_HOSTS="$2"
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add_var_to_config SSH_KNOWN_HOSTS "$SSH_KNOWN_HOSTS"
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shift 2
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;;
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--no-scp |-b )
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SECURE_COPY=0
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add_var_to_config SECURE_COPY "$SECURE_COPY"
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shift 1
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;;
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--outputdir|-o )
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REMOTE_OUTPUT_DIR="$2"
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add_var_to_config REMOTE_OUTPUT_DIR "$REMOTE_OUTPUT_DIR"
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shift 2
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;;
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--processes|-p )
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TMP="$2"
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if [ ! -z "$TMP" ]
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then
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MAX_NO_OF_RUNNING_JOBS="$TMP"
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add_var_to_config MAX_NO_OF_RUNNING_JOBS "$MAX_NO_OF_RUNNING_JOBS"
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shift 2
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fi
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;;
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--server|-s )
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SSH_SERVER="$2"
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add_var_to_config SSH_SERVER "$SSH_SERVER"
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shift 2
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;;
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--script|-S )
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SCRIPT="$2"
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add_var_to_config SCRIPT "$SCRIPT"
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shift 2
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;;
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--transfer|-t )
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TRANSFER_TO_SLAVE="1"
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add_var_to_config TRANSFER_TO_SLAVE "$TRANSFER_TO_SLAVE"
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shift 1
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;;
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--user|-u )
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USER="$2"
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add_var_to_config USER "$USER"
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shift 2
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;;
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--version|-v )
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|
echo ""
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|
echo "$SCRIPT_NAME version $SCRIPT_VERSION"
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echo ""
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exit 0
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;;
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* )
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showusage
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exit 1;;
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esac
|
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done
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display_header () {
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log INFO "---------------------------------------------------------"
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|
log INFO "$SCRIPT_NAME version $SCRIPT_VERSION"
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log INDO "---------------------------------------------------------"
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log INFO "Hostname: $HOSTNAME"
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|
}
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|
|
|
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# Init all vars
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|
init_vars () {
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|
|
|
if [ -e "$LOGFILE" ]
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then
|
|
rm $LOGFILE
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|
fi
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|
|
|
display_header
|
|
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|
if [ -z "$COMMAND" ]
|
|
then
|
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echo
|
|
echo "ERROR - no command specified."
|
|
echo
|
|
showusage
|
|
cleanup
|
|
exit 1
|
|
fi
|
|
|
|
echo 0 > $ARRAY_POINTER_FILE
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FIFO=$(pwd)/fifo-$RANDOM-$RANDOM
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if [ ! -e "$FIFO" ]
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|
then
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mkfifo -m 600 $FIFO
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fi
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|
|
|
exec 42<> $FIFO
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|
|
|
touch $RUNNING_SIGNAL
|
|
|
|
if [ -z "$MAX_NO_OF_RUNNING_JOBS" ]
|
|
then
|
|
get_no_of_cpus $HYPERTHREADING
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fi
|
|
|
|
if [ -e "$CPUINFO" ]
|
|
then
|
|
CPU=`cat /proc/cpuinfo | grep 'model name' | cut -d ":" -f 2 | sed -e s/^\ //g | sort | uniq`
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log INFO "CPU: $CPU"
|
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fi
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log INFO "---------------------------------------------------------"
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does_file_exist "$JOB_LOG_DIR"
|
|
if [ ! "$?" == "0" ]
|
|
then
|
|
log DEBUG "Job log directory $JOB_lOG_DIR does not exist. Creating."
|
|
exec_cmd "mkdir $JOB_LOG_DIR"
|
|
else
|
|
log DEBUG "Job log directory $JOB_LOG_DIR exists."
|
|
fi
|
|
|
|
does_file_exist "$ITEM_LOCK_DIR"
|
|
if [ ! "$?" == "0" ] && [ ! -z "$SSH_SERVER" ]
|
|
then
|
|
log DEBUG "Creating remote item lock dir."
|
|
exec_cmd "mkdir $ITEM_LOCK_DIR"
|
|
fi
|
|
|
|
if [ ! -e "$JOB_LOG_DIR" ]
|
|
then
|
|
mkdir "$JOB_LOG_DIR"
|
|
fi
|
|
|
|
does_file_exist "$REMOTE_OUTPUT_DIR"
|
|
if [ ! "$?" == "0" ]
|
|
then
|
|
echo "ERROR: remote output dir $REMOTE_OUTPUT_DIR does not exist."
|
|
cleanup
|
|
exit
|
|
fi
|
|
|
|
if [ ! -e "$PPSS_LOCAL_TMPDIR" ]
|
|
then
|
|
mkdir "$PPSS_LOCAL_TMPDIR"
|
|
fi
|
|
|
|
if [ ! -e "$PPSS_LOCAL_OUTPUT" ]
|
|
then
|
|
mkdir "$PPSS_LOCAL_OUTPUT"
|
|
fi
|
|
}
|
|
|
|
expand_str () {
|
|
|
|
STR=$1
|
|
LENGTH=$TYPE_LENGTH
|
|
SPACE=" "
|
|
|
|
while [ "${#STR}" -lt "$LENGTH" ]
|
|
do
|
|
STR=$STR$SPACE
|
|
done
|
|
|
|
echo "$STR"
|
|
}
|
|
|
|
log () {
|
|
|
|
TYPE="$1"
|
|
MESG="$2"
|
|
TMP_LOG=""
|
|
TYPE_LENGTH=6
|
|
|
|
TYPE_EXP=`expand_str "$TYPE"`
|
|
|
|
DATE=`date +%b\ %d\ %H:%M:%S`
|
|
PREFIX="$DATE: ${TYPE_EXP:0:$TYPE_LENGTH} -"
|
|
|
|
LOG_MSG="$PREFIX $MESG"
|
|
|
|
echo -e "$LOG_MSG" >> "$LOGFILE"
|
|
|
|
if [ "$TYPE" == "INFO" ]
|
|
then
|
|
echo -e "$LOG_MSG"
|
|
fi
|
|
|
|
}
|
|
|
|
check_status () {
|
|
|
|
ERROR="$1"
|
|
FUNCTION="$2"
|
|
MESSAGE="$3"
|
|
|
|
if [ ! "$ERROR" == "0" ]
|
|
then
|
|
log INFO "$FUNCTION - $MESSAGE"
|
|
cleanup
|
|
exit 1
|
|
fi
|
|
|
|
}
|
|
|
|
erase_ppss () {
|
|
|
|
echo "Are you realy sure you want to erase PPSS from all nades!? (YES/NO)"
|
|
read YN
|
|
|
|
if [ "$YN" == "yes" ] || [ "$YN" == "YES" ]
|
|
then
|
|
for NODE in `cat $NODES_FILE`
|
|
do
|
|
log INFO "Erasing PPSS homedir $PPSS_HOME_DIR from node $NODE."
|
|
ssh -q $SSH_KEY $USER@$NODE "./$PPSS_HOME_DIR/$0 kill"
|
|
ssh -q $SSH_KEY $USER@$NODE "rm -rf $PPSS_HOME_DIR"
|
|
done
|
|
else
|
|
log INFO "Aborting.."
|
|
fi
|
|
sleep 1
|
|
}
|
|
|
|
deploy () {
|
|
|
|
NODE="$1"
|
|
|
|
ERROR=0
|
|
set_error () {
|
|
|
|
if [ ! "$1" == "0" ]
|
|
then
|
|
ERROR=$1
|
|
fi
|
|
}
|
|
|
|
KEY=`echo $SSH_KEY | cut -d " " -f 2`
|
|
|
|
ssh -q $SSH_OPTS $SSH_KEY $USER@$NODE "mkdir $PPSS_HOME_DIR >> /dev/null 2>&1"
|
|
scp -q $SSH_OPTS $SSH_KEY $0 $USER@$NODE:~/$PPSS_HOME_DIR
|
|
set_error $?
|
|
scp -q $SSH_OPTS $SSH_KEY $KEY $USER@$NODE:~/$PPSS_HOME_DIR
|
|
set_error $?
|
|
scp -q $SSH_OPTS $SSH_KEY $CONFIG $USER@$NODE:~/$PPSS_HOME_DIR
|
|
set_error $?
|
|
scp -q $SSH_OPTS $SSH_KEY known_hosts $USER@$NODE:~/$PPSS_HOME_DIR
|
|
set_error $?
|
|
if [ ! -z "$SCRIPT" ]
|
|
then
|
|
scp -q $SSH_OPTS $SSH_KEY $SCRIPT $USER@$NODE:~/$PPSS_HOME_DIR
|
|
set_error $?
|
|
fi
|
|
|
|
if [ ! -z "$INPUT_FILE" ]
|
|
then
|
|
scp -q $SSH_OPTS $SSH_KEY $INPUT_FILE $USER@$NODE:~/$PPSS_HOME_DIR
|
|
set_error $?
|
|
fi
|
|
|
|
if [ "$ERROR" == "0" ]
|
|
then
|
|
log INFO "PPSS installed on node $NODE."
|
|
else
|
|
log INFO "PPSS failed to install on $NODE."
|
|
fi
|
|
}
|
|
|
|
deploy_ppss () {
|
|
|
|
|
|
if [ -z "$NODES_FILE" ]
|
|
then
|
|
log INFO "ERROR - are you using the right option? -C ?"
|
|
cleanup
|
|
exit 1
|
|
fi
|
|
|
|
KEY=`echo $SSH_KEY | cut -d " " -f 2`
|
|
if [ -z "$KEY" ] || [ ! -e "$KEY" ]
|
|
then
|
|
log INFO "ERROR - nodes require a key file."
|
|
cleanup
|
|
exit 1
|
|
fi
|
|
|
|
if [ ! -e "$SCRIPT" ] && [ ! -z "$SCRIPT" ]
|
|
then
|
|
log INFO "ERROR - script $SCRIPT not found."
|
|
cleanup
|
|
exit 1
|
|
fi
|
|
|
|
if [ ! -e "$NODES_FILE" ]
|
|
then
|
|
log INFO "ERROR file $NODES with list of nodes does not exist."
|
|
cleanup
|
|
exit 1
|
|
else
|
|
for NODE in `cat $NODES_FILE`
|
|
do
|
|
deploy "$NODE"
|
|
sleep 0.1
|
|
done
|
|
fi
|
|
}
|
|
|
|
start_ppss_on_node () {
|
|
|
|
NODE="$1"
|
|
|
|
log INFO "Starting PPSS on node $NODE."
|
|
ssh $SSH_KEY $USER@$NODE "cd $PPSS_HOME_DIR ; screen -d -m -S PPSS ./ppss.sh node --config $CONFIG"
|
|
}
|
|
|
|
|
|
test_server () {
|
|
|
|
# Testing if the remote server works as expected.
|
|
if [ ! -z "$SSH_SERVER" ]
|
|
then
|
|
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="$!"
|
|
else
|
|
log DEBUG "No remote server specified, assuming stand-alone mode."
|
|
fi
|
|
}
|
|
|
|
get_no_of_cpus () {
|
|
|
|
# Use hyperthreading or not?
|
|
HPT=$1
|
|
NUMBER=""
|
|
|
|
if [ -z "$HPT" ]
|
|
then
|
|
HPT=yes
|
|
fi
|
|
|
|
got_cpu_info () {
|
|
|
|
ERROR="$1"
|
|
check_status "$ERROR" "$FUNCNAME" "cannot determine number of cpu cores. Specify with -p."
|
|
|
|
}
|
|
|
|
if [ "$HPT" == "yes" ]
|
|
then
|
|
if [ "$ARCH" == "Linux" ]
|
|
then
|
|
NUMBER=`grep ^processor $CPUINFO | wc -l`
|
|
got_cpu_info "$?"
|
|
|
|
elif [ "$ARCH" == "Darwin" ]
|
|
then
|
|
NUMBER=`sysctl -a hw | grep -w logicalcpu | awk '{ print $2 }'`
|
|
got_cpu_info "$?"
|
|
elif [ "$ARCH" == "FreeBSD" ]
|
|
then
|
|
NUMBER=`sysctl hw.ncpu | awk '{ print $2 }'`
|
|
got_cpu_info "$?"
|
|
else
|
|
NUMBER=`grep ^processor $CPUINFO | wc -l`
|
|
got_cpu_info "$?"
|
|
fi
|
|
log INFO "Found $NUMBER logic processors."
|
|
elif [ "$HPT" == "no" ]
|
|
then
|
|
log INFO "Hyperthreading is disabled."
|
|
if [ "$ARCH" == "Linux" ]
|
|
then
|
|
PHYSICAL=`grep 'physical id' $CPUINFO`
|
|
if [ "$?" == "0" ]
|
|
then
|
|
PHYSICAL=`grep 'physical id' $CPUINFO | sort | uniq | wc -l`
|
|
if [ "$PHYSICAL" == "1" ]
|
|
then
|
|
log INFO "Found $PHYSICAL physical CPU."
|
|
else
|
|
log INFO "Found $PHYSICAL physical CPUs."
|
|
fi
|
|
TMP=`grep 'core id' $CPUINFO`
|
|
if [ "$?" == "0" ]
|
|
then
|
|
log DEBUG "Starting job only for each physical core on all physical CPU(s)."
|
|
NUMBER=`grep 'core id' $CPUINFO | sort | uniq | wc -l`
|
|
log INFO "Found $NUMBER physical cores."
|
|
else
|
|
log INFO "Single core processor(s) detected."
|
|
log INFO "Starting job for each physical CPU."
|
|
NUMBER=$PHYSICAL
|
|
fi
|
|
else
|
|
log INFO "No 'physical id' section found in $CPUINFO, typical for older cpus."
|
|
NUMBER=`grep ^processor $CPUINFO | wc -l`
|
|
got_cpu_info "$?"
|
|
fi
|
|
elif [ "$ARCH" == "Darwin" ]
|
|
then
|
|
NUMBER=`sysctl -a hw | grep -w physicalcpu | awk '{ print $2 }'`
|
|
got_cpu_info "$?"
|
|
elif [ "$ARCH" == "FreeBSD" ]
|
|
then
|
|
NUMBER=`sysctl hw.ncpu | awk '{ print $2 }'`
|
|
got_cpu_info "$?"
|
|
else
|
|
NUMBER=`cat $CPUINFO | grep "cpu cores" | cut -d ":" -f 2 | uniq | sed -e s/\ //g`
|
|
got_cpu_info "$?"
|
|
fi
|
|
|
|
fi
|
|
|
|
if [ ! -z "$NUMBER" ]
|
|
then
|
|
MAX_NO_OF_RUNNING_JOBS=$NUMBER
|
|
else
|
|
log INFO "$FUNCNAME ERROR - number of CPUs not obtained."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
random_delay () {
|
|
|
|
ARGS="$1"
|
|
|
|
if [ -z "$ARGS" ]
|
|
then
|
|
log ERROR "$FUNCNAME Function random delay, no argument specified."
|
|
exit 1
|
|
fi
|
|
|
|
NUMBER=$RANDOM
|
|
let "NUMBER %= $ARGS"
|
|
sleep "$NUMBER"
|
|
}
|
|
|
|
|
|
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 $MAX_DELAY
|
|
continue
|
|
else
|
|
break
|
|
fi
|
|
done
|
|
}
|
|
|
|
release_global_lock () {
|
|
|
|
rm -rf "$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="$1"
|
|
|
|
ITEM_ESCAPED=`echo "$TMP" | \
|
|
sed s/\\ /\\\\\\\\\\\\\\ /g | \
|
|
sed s/\\'/\\\\\\\\\\\\\\'/g | \
|
|
sed s/\&/\\\\\\\\\\\\\\&/g | \
|
|
sed s/\;/\\\\\\\\\\\\\\;/g | \
|
|
sed s/\(/\\\\\\\\\\(/g | \
|
|
sed s/\)/\\\\\\\\\\)/g `
|
|
}
|
|
|
|
download_item () {
|
|
|
|
ITEM="$1"
|
|
ITEM_NO_PATH=`basename "$ITEM"`
|
|
|
|
if [ "$TRANSFER_TO_SLAVE" == "1" ]
|
|
then
|
|
log DEBUG "Transfering item $ITEM_NO_PATH to local disk."
|
|
if [ "$SECURE_COPY" == "1" ] && [ ! -z "$SSH_SERVER" ]
|
|
then
|
|
if [ ! -z "$SRC_DIR" ]
|
|
then
|
|
ITEM_PATH="$SRC_DIR/$ITEM"
|
|
else
|
|
ITEM_PATH="$ITEM"
|
|
fi
|
|
|
|
escape_item "$ITEM_PATH"
|
|
|
|
scp -q $SSH_OPTS $SSH_KEY $USER@$SSH_SERVER:"$ITEM_ESCAPED" ./$PPSS_LOCAL_TMPDIR
|
|
log DEBUG "Exit code of remote transfer is $?"
|
|
else
|
|
cp "$ITEM" ./$PPSS_LOCAL_TMPDIR
|
|
log DEBUG "Exit code of local transfer is $?"
|
|
fi
|
|
else
|
|
log DEBUG "No transfer of item $ITEM_NO_PATH to local workpath."
|
|
fi
|
|
}
|
|
|
|
upload_item () {
|
|
|
|
|
|
ITEM="$1"
|
|
ITEMDIR="$2"
|
|
|
|
if [ "$TRANSFER_TO_SLAVE" == "0" ]
|
|
then
|
|
log DEBUG "File transfer is disabled."
|
|
return 0
|
|
fi
|
|
|
|
log DEBUG "Uploading item $ITEM."
|
|
if [ "$SECURE_COPY" == "1" ]
|
|
then
|
|
escape_item "$REMOTE_OUTPUT_DIR$ITEMDIR"
|
|
DIR_ESCAPED="$ITEM_ESCAPED"
|
|
|
|
scp -q $SSH_OPTS $SSH_KEY "$ITEM"/* $USER@$SSH_SERVER:"$DIR_ESCAPED"
|
|
ERROR="$?"
|
|
if [ ! "$ERROR" == "0" ]
|
|
then
|
|
log INFO "ERROR - uploading of $ITEM via SCP failed."
|
|
else
|
|
log DEBUG "Upload of item $ITEM success"
|
|
rm -rf ./"$ITEM"
|
|
fi
|
|
else
|
|
cp "$ITEM" "$REMOTE_OUTPUT_DIR"
|
|
ERROR="$?"
|
|
if [ ! "$ERROR" == "0" ]
|
|
then
|
|
log DEBUG "ERROR - uploading of $ITEM vi CP failed."
|
|
fi
|
|
fi
|
|
}
|
|
|
|
lock_item () {
|
|
|
|
if [ ! -z "$SSH_SERVER" ]
|
|
then
|
|
ITEM="$1"
|
|
|
|
LOCK_FILE_NAME=`echo "$ITEM" | \
|
|
sed s/^\\\.//g | \
|
|
sed s/^\\\.\\\.//g | \
|
|
sed s/^\\\///g | \
|
|
sed s/\\\//\\\\\\ /g | \
|
|
sed s/\\ /\\\\\\\\\\\\\\ /g | \
|
|
sed s/\\'/\\\\\\\\\\\\\\'/g | \
|
|
sed s/\&/\\\\\\\\\\\\\\&/g | \
|
|
sed s/\;/\\\\\\\\\\\\\\;/g | \
|
|
sed s/\(/\\\\\\\\\\(/g | \
|
|
sed s/\)/\\\\\\\\\\)/g `
|
|
|
|
ITEM_LOCK_FILE="$ITEM_LOCK_DIR/$LOCK_FILE_NAME"
|
|
log DEBUG "Trying to lock item $ITEM - $ITEM_LOCK_FILE."
|
|
exec_cmd "mkdir $ITEM_LOCK_FILE >> /dev/null 2>&1"
|
|
ERROR="$?"
|
|
return "$ERROR"
|
|
fi
|
|
}
|
|
|
|
get_all_items () {
|
|
|
|
count=0
|
|
|
|
if [ -z "$INPUT_FILE" ]
|
|
then
|
|
if [ ! -z "$SSH_SERVER" ] # Are we running stand-alone or as a slave?"
|
|
then
|
|
ITEMS=`exec_cmd "ls -1 $SRC_DIR"`
|
|
check_status "$?" "$FUNCNAME" "Could not list files within remote source directory."
|
|
else
|
|
ITEMS=`ls -1 $SRC_DIR`
|
|
fi
|
|
IFS=$'\n'
|
|
|
|
for x in $ITEMS
|
|
do
|
|
ARRAY[$count]="$x"
|
|
((count++))
|
|
done
|
|
IFS=$IFS_BACKUP
|
|
else
|
|
if [ ! -z "$SSH_SERVER" ] # Are we running stand-alone or as a slave?"
|
|
then
|
|
log DEBUG "Running as slave, input file has been pushed (hopefully)."
|
|
if [ ! -e "$INPUT_FILE" ]
|
|
then
|
|
log INFO "ERROR - input file $INPUT_FILE does not exist."
|
|
cleanup
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
exec 10<"$INPUT_FILE"
|
|
|
|
while read LINE <&10
|
|
do
|
|
ARRAY[$count]=$LINE
|
|
((count++))
|
|
done
|
|
|
|
fi
|
|
exec 10>&-
|
|
|
|
SIZE_OF_ARRAY="${#ARRAY[@]}"
|
|
if [ "$SIZE_OF_ARRAY" -le "0" ]
|
|
then
|
|
log INFO "ERROR: source file/dir seems to be empty."
|
|
cleanup
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
get_item () {
|
|
|
|
check_for_interrupt
|
|
|
|
if [ "$STOP" == "1" ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
get_global_lock
|
|
|
|
SIZE_OF_ARRAY="${#ARRAY[@]}"
|
|
|
|
# Return error if the array is empty.
|
|
if [ "$SIZE_OF_ARRAY" -le "0" ]
|
|
then
|
|
release_global_lock
|
|
return 1
|
|
fi
|
|
|
|
# This variable is used to walk thtough all array items.
|
|
ARRAY_POINTER=`cat $ARRAY_POINTER_FILE`
|
|
|
|
# Gives a status update on the current progress..
|
|
PERCENT=$((100 * $ARRAY_POINTER / $SIZE_OF_ARRAY ))
|
|
log INFO "Currently $PERCENT percent complete. Processed $ARRAY_POINTER of $SIZE_OF_ARRAY items."
|
|
echo -en "\033[1A"
|
|
|
|
# Check if all items have been processed.
|
|
if [ "$ARRAY_POINTER" -ge "$SIZE_OF_ARRAY" ]
|
|
then
|
|
release_global_lock
|
|
return 2
|
|
fi
|
|
|
|
# Select an item.
|
|
ITEM="${ARRAY[$ARRAY_POINTER]}"
|
|
if [ -z "$ITEM" ]
|
|
then
|
|
((ARRAY_POINTER++))
|
|
echo $ARRAY_POINTER > $ARRAY_POINTER_FILE
|
|
release_global_lock
|
|
get_item
|
|
else
|
|
((ARRAY_POINTER++))
|
|
echo $ARRAY_POINTER > $ARRAY_POINTER_FILE
|
|
lock_item "$ITEM"
|
|
if [ ! "$?" == "0" ]
|
|
then
|
|
log DEBUG "Item $ITEM is locked."
|
|
release_global_lock
|
|
get_item
|
|
else
|
|
log DEBUG "Got lock on $ITEM, processing."
|
|
release_global_lock
|
|
download_item "$ITEM"
|
|
return 0
|
|
fi
|
|
fi
|
|
}
|
|
|
|
start_single_worker () {
|
|
|
|
get_item
|
|
ERROR=$?
|
|
if [ ! "$ERROR" == "0" ]
|
|
then
|
|
log DEBUG "Item empty, we are probably almost finished."
|
|
return 1
|
|
else
|
|
get_global_lock
|
|
echo "$ITEM" > $FIFO
|
|
release_global_lock
|
|
return 0
|
|
fi
|
|
}
|
|
|
|
|
|
elapsed () {
|
|
|
|
BEFORE="$1"
|
|
AFTER="$2"
|
|
|
|
ELAPSED="$(expr $AFTER - $BEFORE)"
|
|
|
|
REMAINDER="$(expr $ELAPSED % 3600)"
|
|
HOURS="$(expr $(expr $ELAPSED - $REMAINDER) / 3600)"
|
|
|
|
SECS="$(expr $REMAINDER % 60)"
|
|
MINS="$(expr $(expr $REMAINDER - $SECS) / 60)"
|
|
|
|
echo "Elapsed time (h:m:s): $HOURS:$MINS:$SECS"
|
|
}
|
|
|
|
commando () {
|
|
|
|
ITEM="$1"
|
|
DIRNAME=`dirname "$ITEM"`
|
|
ITEM_NO_PATH=`basename "$ITEM"`
|
|
OUTPUT_DIR=$PPSS_LOCAL_OUTPUT/"$ITEM_NO_PATH"
|
|
|
|
# This VAR can be used in scripts or command lines.
|
|
OUTPUT_FILE="$ITEM_NO_PATH"
|
|
|
|
log DEBUG "Processing item $ITEM"
|
|
|
|
if [ "$TRANSFER_TO_SLAVE" == "0" ]
|
|
then
|
|
if [ -z "$SRC_DIR" ] && [ ! -z "$INPUT_FILE" ]
|
|
then
|
|
log DEBUG "Using item straight from INPUT FILE"
|
|
else
|
|
ITEM="$SRC_DIR/$ITEM"
|
|
fi
|
|
else
|
|
ITEM="./$PPSS_LOCAL_TMPDIR/$ITEM_NO_PATH"
|
|
fi
|
|
|
|
LOG_FILE_NAME=`echo "$ITEM" | sed s/^\\\.//g | sed s/^\\\.\\\.//g | sed s/\\\///g`
|
|
ITEM_LOG_FILE="$JOB_LOG_DIR/$LOG_FILE_NAME"
|
|
|
|
mkdir -p "$OUTPUT_DIR"
|
|
|
|
does_file_exist "$ITEM_LOG_FILE"
|
|
if [ "$?" == "0" ]
|
|
then
|
|
log DEBUG "Skipping item $ITEM - already processed."
|
|
else
|
|
|
|
ERROR=""
|
|
|
|
# Some formatting of item log files.
|
|
DATE=`date +%b\ %d\ %H:%M:%S`
|
|
echo "===== PPSS Item Log File =====" > "$ITEM_LOG_FILE"
|
|
echo -e "Host:\t\t$HOSTNAME" >> "$ITEM_LOG_FILE"
|
|
echo -e "Item:\t\t$ITEM" >> "$ITEM_LOG_FILE"
|
|
echo -e "Start date:\t$DATE" >> "$ITEM_LOG_FILE"
|
|
echo -e "" >> "$ITEM_LOG_FILE"
|
|
|
|
# The actual execution of the command.
|
|
TMP=`echo $COMMAND | grep -i '$ITEM'`
|
|
if [ "$?" == "0" ]
|
|
then
|
|
BEFORE="$(date +%s)"
|
|
eval "$COMMAND" >> "$ITEM_LOG_FILE" 2>&1
|
|
ERROR="$?"
|
|
AFTER="$(date +%s)"
|
|
else
|
|
EXECME='$COMMAND"$ITEM" >> "$ITEM_LOG_FILE" 2>&1'
|
|
BEFORE="$(date +%s)"
|
|
eval "$EXECME"
|
|
ERROR="$?"
|
|
AFTER="$(date +%s)"
|
|
fi
|
|
|
|
echo -e "" >> "$ITEM_LOG_FILE"
|
|
|
|
# Some error logging. Success or fail.
|
|
if [ ! "$ERROR" == "0" ]
|
|
then
|
|
echo -e "Status:\t\tError - something went wrong." >> "$ITEM_LOG_FILE"
|
|
else
|
|
echo -e "Status:\t\tSucces - item has been processed." >> "$ITEM_LOG_FILE"
|
|
fi
|
|
|
|
if [ "$TRANSFER_TO_SLAVE" == "1" ]
|
|
then
|
|
if [ -e "$ITEM" ]
|
|
then
|
|
rm "$ITEM"
|
|
else
|
|
log DEBUG "ERROR Something went wrong removing item $ITEM from local work dir."
|
|
fi
|
|
|
|
fi
|
|
|
|
NEWDIR="$REMOTE_OUTPUT_DIR/$DIRNAME"
|
|
escape_item "$NEWDIR"
|
|
DIR_ESCAPED="$ITEM_ESCAPED"
|
|
|
|
exec_cmd "mkdir -p $DIR_ESCAPED"
|
|
if [ "$DIRNAME" == "." ]
|
|
then
|
|
DIRNAME=""
|
|
fi
|
|
upload_item "$PPSS_LOCAL_OUTPUT/$ITEM_NO_PATH" "$DIRNAME"
|
|
|
|
elapsed "$BEFORE" "$AFTER" >> "$ITEM_LOG_FILE"
|
|
echo -e "" >> "$ITEM_LOG_FILE"
|
|
|
|
if [ ! -z "$SSH_SERVER" ]
|
|
then
|
|
log DEBUG "Uploading item log file $ITEM_LOG_FILE to master."
|
|
scp -q $SSH_OPTS $SSH_KEY "$ITEM_LOG_FILE" $USER@$SSH_SERVER:~/$JOB_LOG_DIR/
|
|
if [ ! "$?" == "0" ]
|
|
then
|
|
log INFO "ERROR - uploading of item log file failed."
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
start_single_worker
|
|
return $?
|
|
}
|
|
|
|
# This is the listener service. It listens on the pipe for events.
|
|
# A job is executed for every event received.
|
|
listen_for_job () {
|
|
|
|
log INFO "Listener started."
|
|
while read event <& 42
|
|
do
|
|
commando "$event" &
|
|
done
|
|
}
|
|
|
|
# This starts an number of parallel workers based on the # of parallel jobs allowed.
|
|
start_all_workers () {
|
|
|
|
if [ "$MAX_NO_OF_RUNNING_JOBS" == "1" ]
|
|
then
|
|
log INFO "Starting $MAX_NO_OF_RUNNING_JOBS worker."
|
|
else
|
|
log INFO "Starting $MAX_NO_OF_RUNNING_JOBS workers."
|
|
fi
|
|
|
|
i=0
|
|
while [ "$i" -lt "$MAX_NO_OF_RUNNING_JOBS" ]
|
|
do
|
|
start_single_worker
|
|
((i++))
|
|
done
|
|
}
|
|
|
|
show_status () {
|
|
|
|
source $CONFIG
|
|
if [ ! -z "$SSH_KEY" ]
|
|
then
|
|
SSH_KEY="-i $SSH_KEY"
|
|
fi
|
|
|
|
if [ -z "$INPUT_FILE" ]
|
|
then
|
|
ITEMS=`exec_cmd "ls -1 $SRC_DIR | wc -l"`
|
|
else
|
|
ITEMS=`exec_cmd "cat $PPSS_HOME_DIR/$INPUT_FILE | wc -l"`
|
|
fi
|
|
|
|
PROCESSED=`exec_cmd "ls -1 $ITEM_LOCK_DIR | wc -l"` 2>&1 >> /dev/null
|
|
STATUS=$((100 * $PROCESSED / $ITEMS))
|
|
|
|
log INFO "$STATUS percent complete."
|
|
|
|
}
|
|
|
|
|
|
# If this is called, the whole framework will execute.
|
|
main () {
|
|
|
|
is_running
|
|
|
|
|
|
case $MODE in
|
|
node|standalone )
|
|
init_vars
|
|
test_server
|
|
get_all_items
|
|
listen_for_job "$MAX_NO_OF_RUNNING_JOBS" &
|
|
LISTENER_PID=$!
|
|
start_all_workers
|
|
;;
|
|
start )
|
|
# This option only starts all nodes.
|
|
display_header
|
|
if [ ! -e "$NODES_FILE" ]
|
|
then
|
|
log INFO "ERROR file $NODES with list of nodes does not exist."
|
|
cleanup
|
|
exit 1
|
|
else
|
|
for NODE in `cat $NODES_FILE`
|
|
do
|
|
start_ppss_on_node "$NODE"
|
|
done
|
|
fi
|
|
cleanup
|
|
exit 0
|
|
;;
|
|
config )
|
|
display_header
|
|
log INFO "Generating configuration file $CONFIG"
|
|
add_var_to_config PPSS_LOCAL_TMPDIR "$PPSS_LOCAL_TMPDIR"
|
|
add_var_to_config PPSS_LOCAL_OUTPUT "$PPSS_LOCAL_OUTPUT"
|
|
cleanup
|
|
exit 0
|
|
;;
|
|
|
|
stop )
|
|
display_header
|
|
log INFO "Stopping PPSS on all nodes."
|
|
exec_cmd "touch $STOP_SIGNAL"
|
|
cleanup
|
|
exit
|
|
;;
|
|
pause )
|
|
display_header
|
|
log INFO "Pausing PPSS on all nodes."
|
|
exec_cmd "touch $PAUSE_SIGNAL"
|
|
cleanup
|
|
exit
|
|
;;
|
|
continue )
|
|
display_header
|
|
if does_file_exist "$STOP_SIGNAL"
|
|
then
|
|
log INFO "Continuing processing, please use $0 start to start PPSS on al nodes."
|
|
exec_cmd "rm -f $STOP_SIGNAL"
|
|
fi
|
|
if does_file_exist "$PAUSE_SIGNAL"
|
|
then
|
|
log INFO "Continuing PPSS on all nodes."
|
|
exec_cmd "rm -f $PAUSE_SIGNAL"
|
|
fi
|
|
cleanup
|
|
exit
|
|
;;
|
|
deploy )
|
|
display_header
|
|
log INFO "Deploying PPSS on nodes."
|
|
deploy_ppss
|
|
wait
|
|
cleanup
|
|
exit 0
|
|
;;
|
|
status )
|
|
display_header
|
|
show_status
|
|
cleanup
|
|
exit 0
|
|
# some show command
|
|
;;
|
|
erase )
|
|
display_header
|
|
log INFO "Erasing PPSS from all nodes."
|
|
erase_ppss
|
|
cleanup
|
|
exit 0
|
|
;;
|
|
kill )
|
|
for x in `ps ux | grep ppss | grep -v grep | grep bash | awk '{ print $2 }'`
|
|
do
|
|
kill "$x"
|
|
done
|
|
cleanup
|
|
exit 0
|
|
;;
|
|
|
|
* )
|
|
showusage
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
}
|
|
# This command starts the that sets the whole framework in motion.
|
|
main
|
|
|
|
# Either start new jobs or exit, sleep in the meantime.
|
|
while true
|
|
do
|
|
sleep 5
|
|
JOBS=`ps ax | grep -v grep | grep -v -i screen | grep ppss.sh | wc -l`
|
|
log DEBUG "There are $JOBS running processes. "
|
|
|
|
MIN_JOBS=3
|
|
|
|
if [ "$ARCH" == "Darwin" ]
|
|
then
|
|
MIN_JOBS=4
|
|
elif [ "$ARCH" == "Linux" ]
|
|
then
|
|
MIN_JOBS=3
|
|
fi
|
|
|
|
if [ "$JOBS" -gt "$MIN_JOBS" ]
|
|
then
|
|
log DEBUG "Sleeping $INTERVAL seconds."
|
|
sleep $INTERVAL
|
|
else
|
|
echo -en "\033[1B"
|
|
log INFO "There are no more running jobs, so we must be finished."
|
|
echo -en "\033[1B"
|
|
log INFO "Killing listener and remainig processes."
|
|
log INFO "Dying processes may display an error message."
|
|
kill_process
|
|
fi
|
|
done
|
|
|
|
# Exit after all processes have finished.
|
|
wait
|