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The actual contents of the file can be viewed below.

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#!/usr/bin/perl
# $Id$
# delete a job

use strict;
use warnings;
use Data::Dumper;
use DBI();
use OAR::IO;
#use IO::Socket::INET;
use OAR::Conf qw(init_conf dump_conf get_conf is_conf);
use OAR::Tools;
use Getopt::Long;
use OAR::Version;

my $Old_umask = sprintf("%lo",umask());
umask(oct("022"));

my $exitValue = 0;

# Display command help
sub usage {
    print <<EOS;
Usage: $0 [options] <job_id> [job_id [...] ] 
       $0 [options] --sql <SQL WHERE clause>

Options:
  -h, --help              show this help screen
  -c, --checkpoint        send checkpoint signal to the jobs
  -s, --signal <SIG>      send signal SIG to the jobs
  -b, --besteffort        change the specified jobs to besteffort jobs (or
                          remove them if they are already besteffort)
      --array             handle array job ids, and their sub jobs.
      --sql <SQL>         select jobs using a SQL WHERE clause on table jobs
                          (e.g. "project = 'p1'")
      --force-terminate-finishing-job
                          force jobs stuck in the Finishing state to switch to
                          Terminated (Warning: only use as a last resort)
  -V, --version           print OAR version number
EOS
    exit(1);
}

# Retrieve informations from OAR configuration file
init_conf($ENV{OARCONFFILE});
my $remote_host = get_conf("SERVER_HOSTNAME");
my $remote_port = get_conf("SERVER_PORT");

my $Openssh_cmd = get_conf("OPENSSH_CMD");
$Openssh_cmd = OAR::Tools::get_default_openssh_cmd() if (!defined($Openssh_cmd));

if (is_conf("OAR_RUNTIME_DIRECTORY")){
    OAR::Tools::set_default_oarexec_directory(get_conf("OAR_RUNTIME_DIRECTORY"));
}

if (is_conf("OAR_SSH_CONNECTION_TIMEOUT")){
    OAR::Tools::set_ssh_timeout(get_conf("OAR_SSH_CONNECTION_TIMEOUT"));
}

my $Deploy_hostname = get_conf("DEPLOY_HOSTNAME");
if (!defined($Deploy_hostname)){
    $Deploy_hostname = $remote_host;
}

my $Cosystem_hostname = get_conf("COSYSTEM_HOSTNAME");
if (!defined($Cosystem_hostname)){
    $Cosystem_hostname = $remote_host;
}

# Parse command line
Getopt::Long::Configure("gnu_getopt");
my $Checkpoint;
my $signal;
my $sos;
my $Version;
my $Sql_property;
my $Besteffort;
my $array;
my $Force_terminate_finishing_job;

GetOptions ("checkpoint|c" => \$Checkpoint,
            "signal|s=s" => \$signal,
            "besteffort|b" => \$Besteffort,
            "help|h" => \$sos,
            "array" => \$array,
            "sql=s"   => \$Sql_property,
            "force-terminate-finishing-job" => \$Force_terminate_finishing_job,
            "version|V" => \$Version
           ) or exit(1);

if (defined($sos)){
    usage();
    exit(0);
}

if (defined($Version)){
    print("OAR version : ".OAR::Version::get_version()."\n");
    exit(0);
}

if (($#ARGV < 0) and (!defined($Sql_property))){
    usage();
    exit(1);
}

my @job_ids;

foreach my $j (@ARGV){
    if ($j =~ m/^\d+$/m){
        #if defined --array, delete all the sub-jobs
        if(defined($array)){
             my $db = OAR::IO::connect_ro();
             my @tmp_jobs = OAR::IO::get_array_job_ids($db,$j);
            if(scalar @tmp_jobs == 0){
                warn("[ERROR] \"$j\" is not a valid array job\n");
                $exitValue = 4;
            }else{
                foreach my $j (@tmp_jobs){
                    push(@job_ids, $j);
                 }
            }
            OAR::IO::disconnect($db);
        }else{
            push(@job_ids, $j);
        }
    }else{
        if(defined($array)){
            warn("[ERROR] \"$j\" is not a valid job array identifier\n");
        }else{
            warn("[ERROR] \"$j\" is not a valid job identifier\n");
        }
        $exitValue = 4;
    }
}


if (defined($Sql_property)){
    my $db = OAR::IO::connect_ro();
    foreach my $j (OAR::IO::get_jobs_with_given_properties($db,$Sql_property)){
        push(@job_ids, $j->{job_id});
    }
    OAR::IO::disconnect($db);
}

my $base = OAR::IO::connect();
# oardel is used to checkpoint some jobs
if (defined($Checkpoint)){
    foreach my $idJob (@job_ids){
        print("Checkpointing the job $idJob ...");
        # Try to insert checkpoint information in the database
        my $err = OAR::IO::ask_checkpoint_job($base,$idJob); 
        if ($err > 0) {
            print("ERROR.\n");
            if ($err == 1){
                warn("Cannot checkpoint $idJob ; You are not the right user.\n");
                $exitValue = 1;
            }elsif ($err == 3){
                warn("Cannot checkpoint $idJob ; The job is Interactive.\n");
                $exitValue = 7;
            }else{
                warn("Cannot checkpoint $idJob ; This job is not running.\n");
                $exitValue = 5;
            }
        }else{
            my $strComment;
            # Retrieve node names used by the job
            my @hosts = OAR::IO::get_job_current_hostnames($base,$idJob);
            my $types = OAR::IO::get_job_types_hash($base,$idJob);
            my $host_to_connect = $hosts[0];
            if ((defined($types->{cosystem})) or ($#hosts < 0)){
                $host_to_connect = $Cosystem_hostname;
            }elsif (defined($types->{deploy})){
                $host_to_connect = $Deploy_hostname;
            }
            my $timeoutSSH = OAR::Tools::get_ssh_timeout();
            # Timeout the ssh command
            eval {
                $SIG{ALRM} = sub { die "alarm\n" };
                alarm($timeoutSSH);
                OAR::Tools::signal_oarexec($host_to_connect,$idJob,"SIGUSR2",1, $base, $Openssh_cmd, '');
                alarm(0);
            };
            if ($@){
                print("ERROR.\n");
                if ($@ eq "alarm\n"){
                    $exitValue = 3;
                    $strComment = "Cannot contact $host_to_connect, operation timouted ($timeoutSSH s).";
                    warn("$strComment\n");
                    OAR::IO::add_new_event($base,"CHECKPOINT_ERROR",$idJob,$strComment);
                }else{
                    $strComment = "An unknown error occured.";
                    warn("$strComment\n");
                    OAR::IO::add_new_event($base,"CHECKPOINT_ERROR",$idJob,$strComment);
                }
            }else{
                print("DONE.\n");
                $strComment = "The job $idJob was notified to checkpoint itself on $host_to_connect.";
                print("$strComment\n");
                OAR::IO::add_new_event($base,"CHECKPOINT_SUCCESS",$idJob,$strComment);
            }
        }
    }
}elsif (defined($signal)){
    foreach my $idJob (@job_ids){
        print("Signaling the job $idJob with $signal signal.\n");
        # Try to insert signal information in the database
        my $err = OAR::IO::ask_signal_job($base,$idJob,$signal);
        if ($err > 0) {
            print("ERROR.\n");
            if ($err == 1){
                warn("Cannot signal $idJob ; You are not the right user.\n");
                $exitValue = 1;
            }elsif ($err == 3){
                warn("Cannot signal $idJob ; The job is Interactive.\n");
                $exitValue = 7;
            }else{
                warn("Cannot signal $idJob ; This job is not running.\n");
                $exitValue = 5;
            }
        }else{
            my $strComment;
            # Retrieve node names used by the job
            my @hosts = OAR::IO::get_job_current_hostnames($base,$idJob);
            my $types = OAR::IO::get_job_types_hash($base,$idJob);
            my $host_to_connect = $hosts[0];
            if ((defined($types->{cosystem})) or ($#hosts < 0)){
                $host_to_connect = $Cosystem_hostname;
            }elsif (defined($types->{deploy})){
                $host_to_connect = $Deploy_hostname;
            }

            my $timeoutSSH = OAR::Tools::get_ssh_timeout();
            # Timeout the ssh command
            eval {
                $SIG{ALRM} = sub { die "alarm\n" };
                alarm($timeoutSSH);
                OAR::Tools::signal_oarexec($host_to_connect,$idJob,"SIGURG",1, $base, $Openssh_cmd, $signal);
                alarm(0);
            };
            if ($@){
                print("ERROR.\n");
                if ($@ eq "alarm\n"){
                    $exitValue = 3;
                    $strComment = "Cannot contact $host_to_connect, operation timouted ($timeoutSSH s).";
                    warn("$strComment\n");
                    OAR::IO::add_new_event($base,"SIG_ERROR",$idJob,$strComment);
                }else{
                    $strComment = "An unknown error occured.";
                    warn("$strComment\n");
                    OAR::IO::add_new_event($base,"SIG_ERROR",$idJob,$strComment);
                }
            }else{
                print("DONE.\n");
                $strComment = "The job $idJob was notified to signal itself with $signal on $host_to_connect.";
                print("$strComment\n");
                OAR::IO::add_new_event($base,"SIG_SUCCESS",$idJob,$strComment);
            }
        }
    }
}elsif (defined($Force_terminate_finishing_job)){
    my $lusr= $ENV{OARDO_USER};
    if (($lusr ne "oar") and ($lusr ne "root")){
        $exitValue = 8;
        warn("You must be oar or root to use the --force-terminate-finishing-job option\n");
    }else{
        my $max_duration = 2 * OAR::Tools::get_taktuk_timeout() + OAR::Conf::get_conf_with_default_param("SERVER_PROLOGUE_EPILOGUE_TIMEOUT",0);
        foreach my $j (@job_ids){
            print("Force the termination of the job = $j ...");
            if (OAR::IO::get_job_state($base, $j) eq "Finishing"){
                my $duration = OAR::IO::get_job_duration_in_state($base, $j, "Finishing");
                if ($duration > $max_duration){
                    OAR::IO::add_new_event($base,"FORCE_TERMINATE_FINISHING_JOB",$j,"[oardel] Force to Terminate the job $j which is in Finishing state");
                    print("REGISTERED.\n");
                }else{
                    $exitValue = 11;
                    print("ERROR.\n");
                    warn("The job $j is not in the Finishing state for more than ".$max_duration."s (".$duration."s).\n");
                }
            }else{
                $exitValue = 10;
                print("ERROR.\n");
                warn("The job $j is not in the Finishing state.\n");
            }
        }
        my $strError = OAR::Tools::notify_tcp_socket($remote_host,$remote_port,"ChState");
        if (defined($strError)){
            warn("$strError\n");
            $exitValue = 2;
        }
    }
}elsif (defined($Besteffort)){
    my $lusr= $ENV{OARDO_USER};
    if (($lusr ne "oar") and ($lusr ne "root")){
        $exitValue = 8;
        warn("You must be oar or root to use the -b option\n");
    }else{
        foreach my $j (@job_ids){
            OAR::IO::lock_table($base,["jobs","job_types","resources","assigned_resources","event_logs"]);
            my $job = OAR::IO::get_job($base, $j);
            if (defined($job->{state}) and ($job->{state} eq "Running")){ 
                my $types = OAR::IO::get_job_types_hash($base,$j);
                if (defined($types->{besteffort})){
                    OAR::IO::update_current_scheduler_priority($base,$job->{job_id},$job->{assigned_moldable_job},"-2","STOP");
                    OAR::IO::remove_current_job_types($base,$job->{job_id},"besteffort");
                    OAR::IO::add_new_event($base,"DELETE_BESTEFFORT_JOB_TYPE",$job->{job_id},"[oardel] User $lusr removed the besteffort type.");
                    print("Remove besteffort type for the job $j.\n");
                }else{
                    OAR::IO::add_current_job_types($base,$job->{job_id},"besteffort");
                    OAR::IO::update_current_scheduler_priority($base,$job->{job_id},$job->{assigned_moldable_job},"+2","START");
                    OAR::IO::add_new_event($base,"ADD_BESTEFFORT_JOB_TYPE",$job->{job_id},"[oardel] User $lusr added the besteffort type.");
                    print("Add besteffort type for the job $j.\n");
                }
            }else{
                $exitValue = 9;
                warn("The job $j is not in the Running state.\n");
            }
            OAR::IO::unlock_table($base);
        }
        my $strError = OAR::Tools::notify_tcp_socket($remote_host,$remote_port,"Term");
        if (defined($strError)){
            warn("$strError\n");
            $exitValue = 2;
        }
    }
}else{
    # oardel is used to delete some jobs
    my @jobRegistered;
    my $notify_almighty = 0;
    foreach my $idJob (@job_ids) {
        print("Deleting the job = $idJob ...");
        # Try to insert delete informations in the database
        OAR::IO::lock_table($base,["frag_jobs","event_logs","jobs"]);
        my $err = OAR::IO::frag_job($base,$idJob);
        OAR::IO::unlock_table($base);
        if ($err == -1) {
            print("ERROR.\n");
            warn("Cannot frag $idJob ; You are not the right user.\n");
            $exitValue = 1;
        }elsif ($err == -2){
            print("ERROR.\n");
            warn("Cannot frag $idJob ; This job was already killed.\n");
            $notify_almighty = 1;
            $exitValue = 6;
	}else{
            print("REGISTERED.\n");
            $notify_almighty = 1;
            push(@jobRegistered,$idJob);
        }

    }
    if ($notify_almighty > 0){
        #Signal Almigthy
        my $strError = OAR::Tools::notify_tcp_socket($remote_host,$remote_port,"ChState");
        $strError = OAR::Tools::notify_tcp_socket($remote_host,$remote_port,"Qdel") if (!defined($strError));
        if (defined($strError)){
            warn("$strError\n");
            $exitValue = 2;
        }else{
            print("The job(s) [ @jobRegistered ] will be deleted in a near future.\n") if (@jobRegistered);
        }
    }
}


OAR::IO::disconnect($base);
exit($exitValue);