#!%SHELL:/bin/ksh%  
set -e          # stop the shell on first error
set -u          # fail when using an undefined variable
# set -x          # echo script lines as they are executed
set -o pipefail # fail if last(rightmost) command exits with a non-zero status
 
# Defines the variables that are needed for any communication with ECF
export ECF_PORT=%ECF_PORT%    # The server port number
export ECF_HOST=%ECF_HOST%    # The host name where the server is running
export ECF_NAME=%ECF_NAME%    # The name of this current task
export ECF_PASS=%ECF_PASS%    # A unique password, used for job validation & zombie detection
export ECF_TRYNO=%ECF_TRYNO%  # Current try number of the task
export ECF_RID=$$             # record the process id. Also used for zombie detection
# export NO_ECF=1             # uncomment to run as a standalone task on the command line
 
# Define the path where to find ecflow_client
# make sure client and server use the *same* version.
# Important when there are multiple versions of ecFlow
export PATH=/glade/u/apps/ch/opt/ecflow/5.6.0/gnu/9.1.0/bin/ecflow_client:$PATH
 
# Tell ecFlow we have started
ecflow_client --init=$$
 
TASK_STARTTIME=`date -u +%%s`
 
# Define a error handler
ERROR() {
    set +e                      # Clear -e flag, so we don't fail
    wait                        # wait for background process to stop
    endtime=`date -u +%%s`
    totalsecs=$(($endtime-$TASK_STARTTIME))
    echo "Task took "$totalsecs" seconds"
    ecflow_client --abort=trap  # Notify ecFlow that something went wrong, using 'trap' as the reason
    trap 0                      # Remove the trap
    exit 0                      # End the script cleanly, server monitors child, an exit 1, will cause another abort and zombie
}

TERM() {
    set +e                      # Clear -e flag, so we don't fail
    trap 0                      # Remove the trap

    date -u
    task=`grep cheyenne.ucar.edu %ECF_JOBOUT% | sed 's/\./\n/g' | head -1`
    if [[ "$task" != "" ]]; then
        echo "Killing PBS process $task with qdel"
        qdel "$task"
        echo "Done."
    fi

    ecflow_client --abort="User-terminated"  # Notify ecFlow that something went wrong
    exit 0                      # End the script cleanly, server monitors child, an exit 1, will cause another abort and zombie
}

 
# Trap any calls to exit and errors caught by the -e flag
trap ERROR 0
 
 
# Trap any signal that may cause the script to fail
trap '{ echo "Killed by a signal"; ERROR ; }' 1 2 3 4 5 6 7 8 10 12 13
trap '{ echo "User terminated task"; TERM; }' 15

umask 002