#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Confirm that node sharing flags are respected  (--nodelist and
#          --oversubscribe options).
############################################################################
# Copyright (C) 2002-2006 The Regents of the University of California.
# Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
# Written by Morris Jette <jette1@llnl.gov>
# CODE-OCEC-09-009. All rights reserved.
#
# This file is part of Slurm, a resource management program.
# For details, see <https://slurm.schedmd.com/>.
# Please also read the included file: DISCLAIMER.
#
# Slurm is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# Slurm is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with Slurm; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
############################################################################
source ./globals

set file_err     "$test_dir/error"
set file_in      "$test_dir/input"
set file_out     "$test_dir/output"
set job_id1      0
set job_id2      0
set nodelist_name ""
set gpu_tot      0
set job_tres_cnt 0

proc cleanup {} {
	global job_id1 job_id2

	cancel_job [list $job_id1 $job_id2]
}

set node_name [get_nodes_by_request "--gres=gpu:2 -n1 -t1"]
if { [llength $node_name] != 1 } {
	skip "This test need to be able to submit jobs with at least --gres=gpu:2"
}
if {![param_contains [get_config_param "AccountingStorageTRES"] "gres/gpu"]} {
	skip "This test requires AccountingStorageTRES=gres/gpu"
}
if {[get_config_param "FrontendName"] ne "MISSING"} {
	skip "This test is incompatible with front-end systems"
}

# Get the total number of GPUs in the test node
set gres_node [get_node_param $node_name "Gres"]
set gpu_tot   [dict get [count_gres $gres_node] "gpu"]

#
# Submit a job and get the node's NodeName from the nodelist
#
set output [run_command_output -fail "$srun -v -N1 -l -t1 $bin_printenv SLURMD_NODENAME"]
if {![regexp "on host ($re_word_str)," $output - nodelist_name]} {
	fail "Did not get hostname of task 0"
}

#
# Delete left-over input script
# Build input script file
#
make_bash_script $file_in "$srun $bin_sleep 5"

#
# Submit two jobs to the same node, one with no sharing, the other
# with sharing permitted. Ensure the first job completes before the
# second job is started.
#
set job_id1 [submit_job -fail "-N1 --exclusive --nodelist=$nodelist_name -t1 --output=$file_out --error=$file_err  $file_in"]

set partition "dummy"
set waited 1
set timeout [expr $max_job_delay + 5]
set output [run_command_output -fail "$srun -N1 --nodelist=$nodelist_name -t1 --oversubscribe $scontrol -o show job $job_id1"]
if {[regexp "JobState=RUN" $output]} {
	set waited 0
}
regexp "Partition=($re_word_str)" $output - partition

if {$waited == 0} {
	if {[param_contains [get_partition_param $partition OverSubscribe] "FORCE"]} {
		subskip "Test incompatible with OverSubscribe=FORCE"
		set waited 1
	}
}
if {$waited == 0} {
	fail "srun failed to wait for non-sharing job to complete"
}

cancel_job $job_id1

#
# Verify that all GPUs are allocated with the --exclusive flag
#
set job_id2 [submit_job -fail "-t1 -N1 -w $node_name --gres=gpu --exclusive --output=$file_out $file_in"]
wait_for_job -fail $job_id2 "RUNNING"

# Check all GRES of the node were allocated on the job
check_exclusive_gres $job_id2 $node_name
