#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Validate that the mcs plugin (mcs/user) is OK with sbatch
############################################################################
# Copyright (C) 2015 CEA/DAM/DIF
# Written by Aline Roy <aline.roy@cea.fr>
#
# 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 exit_code    0
set cwd          "[$bin_pwd]"
set config_path  ""
set tmp_job      "test$test_id\_tmp_job"

if {[is_super_user] == 0} {
	skip "This test can't be run except as SlurmUser"
}

set config_path [get_conf_path]
fail_on_error "Unable to get config path"
set config_file $config_path/slurm.conf
save_conf $config_file

log_info "---Checking sbatch uses mcs-label only for some jobs (ondemand,select mode)---"

#
# Change the slurm.conf MCSparameters and MCSPlugin
# test with ondemand,select
#
exec $bin_sed -i /^\[\t\s\]*MCSPlugin\[\t\s\]*=/Id $config_file
exec $bin_sed -i /^\[\t\s\]*MCSParameters\[\t\s\]*=/Id $config_file
exec $bin_sed -i /^\[\t\s\]*PrivateData\[\t\s\]*=/Id $config_file
exec $bin_echo -e "\nMCSPlugin=mcs/user" >> $config_file
exec $bin_echo MCSParameters=ondemand,select,privatedata >> $config_file
exec $bin_echo PrivateData=jobs,nodes >> $config_file
reconfigure


#
# verify slurm conf parameters MCS
#
set found 0
spawn -noecho $bin_bash -c "exec $scontrol show config | $bin_grep MCS"
expect {
	-re "MCSPlugin               = mcs/user" {
		log_debug " MCSPlugin=mcs/user OK"
		set found 1
		exp_continue
	}
	timeout {
		log_error "scontrol is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}
if {$found == 0} {
	log_error "MCSPlugin parameter in scontrol show config is not mcs/user"
	set exit_code 1
}

###### Check that sbatch fails with a bad mcs-label ######
log_info "---Checking sbatch fails with a bad mcs-label ---"

set timeout $max_job_delay
make_bash_script $tmp_job "sleep 30"

spawn $sbatch -N1 --mcs-label=foo -t10 $tmp_job
expect {
	-re "Batch job submission failed: Invalid mcs_label specified" {
		log_debug "This error is expected, no worries"
		exp_continue
	}
	timeout {
		fail "sbatch not responding"
	}
	eof {
		wait
	}
}


###### Check that sbatch uses mcs-label=user ######
log_info "---Checking sbatch uses mcs-label=user---"

make_bash_script $tmp_job "sleep 30"
set job_id 0
spawn $sbatch -N1 -o/dev/null --exclusive=mcs -t10 $tmp_job
expect {
	-re "Submitted batch job ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		log_error "sbatch is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$job_id == 0} {
	fail "Job was not submitted"
} elseif {[wait_for_job $job_id "RUNNING"]} {
	set exit_code 1
}

set user_name [get_my_user_name]

set found 0
spawn $squeue --jobs=$job_id --noheader -O "mcslabel"
expect {
	-re "(null)" {
		log_debug "NO MCS-label for this job : this is not expected"
		exp_continue
	}
	-re "$user_name" {
		log_debug "MCS-label OK for this job"
		set found 1
		exp_continue
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "Job was submitted with a bad mcs-label"
	set exit_code 1
}

cancel_job $job_id

make_bash_script $tmp_job "sleep 30"
set job_id 0
spawn $sbatch -N1 --mcs-label=$user_name --exclusive=mcs -o/dev/null -t10 $tmp_job
expect {
	-re "Submitted batch job ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		log_error "sbatch is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$job_id == 0} {
	log_error "Job was not submitted"
	set exit_code 1
} elseif {[wait_for_job $job_id "RUNNING"]} {
	set exit_code 1
}

set found 0
spawn $squeue --jobs=$job_id --noheader -O "mcslabel"
expect {
	-re "$user_name" {
		log_debug "MCS-label OK for this job"
		set found 1
		exp_continue
	}
	-re "Invalid job format specification" {
		log_error "Invalid job format specification mcslabel"
		set exit_code 1
		set found 1
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}
if {$found == 0} {
	 log_error "Job was submitted with a bad mcs-label"
	 set exit_code 1
}
set found 0
#test sacct if accounting, wait a few seconds for accounting data to reach DB
if { [test_account_storage] != 0 } {
	sleep 5
	spawn $sacct -j $job_id --noheader -o "mcslabel"
	expect {
		-re "$user_name" {
			log_debug "MCS-label in sacct OK for this job"
			set found 1
			exp_continue
		}
		timeout {
			log_error "sacct is not responding"
			set exit_code 1
		}
		eof {
			wait
		}
	}
	if {$found == 0} {
		log_error "sacct get a bad mcs-label"
		set exit_code 1
	}
}

set found 0
set node 0
spawn $squeue --jobs=$job_id --noheader -O "nodelist"
expect {
	-re "($re_word_str)" {
		set node $expect_out(1,string)
		log_debug "Node for this job : $node"
		set found 1
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "No node found in squeue command"
	set exit_code 1
}

#
# verify MCS of nodes
#
set found 0
spawn -noecho $bin_bash -c "exec $scontrol show node=$node | $bin_grep MCS"
expect {
	-re "MCS_label=$user_name" {
		log_debug "mcs_label OK for node $node"
		set found 1
		exp_continue
	}
	timeout {
		log_error "scontrol is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "Job was submitted with node with bad mcs-label"
	set exit_code 1
}

cancel_job $job_id

#
# Change the slurm.conf MCSparameters and MCSPlugin
# test with enforced,noselect
#
log_info "---Checking sbatch uses mcs-label with all jobs (enforced,noselect mode)---"
exec $bin_sed -i /^\[\t\s\]*MCSPlugin\[\t\s\]*=/Id $config_file
exec $bin_sed -i /^\[\t\s\]*MCSParameters\[\t\s\]*=/Id $config_file
exec $bin_sed -i /^\[\t\s\]*PrivateData\[\t\s\]*=/Id $config_file
exec $bin_echo -e "\nMCSPlugin=mcs/user" >> $config_file
exec $bin_echo MCSParameters=enforced,noselect,privatedata >> $config_file
exec $bin_echo PrivateData=jobs,nodes >> $config_file
reconfigure


###### Check that sbatch uses mcs-label=user ######
log_info "---Checking sbatch uses mcs-label=user---"

make_bash_script $tmp_job "sleep 30"

spawn $sbatch -N1 -o/dev/null -t1 $tmp_job
expect {
	-re "Submitted batch job ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		log_error "sbatch is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$job_id == 0} {
	log_error "Job was not submitted"
	set exit_code 1
} elseif {[wait_for_job $job_id "RUNNING"]} {
	set exit_code 1
}

set found 0
spawn $squeue --jobs=$job_id --noheader -O "mcslabel"
expect {
	-re "$user_name" {
		log_debug "MCS-label OK for this job"
		set found 1
		exp_continue
	}
	-re "(null)" {
		log_error "NO MCS-label for this job"
		set exit_code 1
		exp_continue
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "Job was submitted with a bad mcs-label"
	set exit_code 1
}

set found 0
set node 0
spawn $squeue --jobs=$job_id --noheader -O "nodelist"
expect {
	-re "($re_word_str)" {
		set node $expect_out(1,string)
		log_debug "Node for this job : $node"
		set found 1
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "No node found in squeue command"
	set exit_code 1
}

#
# verify MCS of nodes
#
set found 0
spawn -noecho $bin_bash -c "exec $scontrol show node=$node | $bin_grep MCS"
expect {
	-re "MCS_label=$user_name" {
		log_error "A mcs_label is found for this job. It was not expected"
		set exit_code 1
	}
	-re "MCS_label=N/A" {
		log_debug "No mcs_label for this node. It was expected"
	}
	timeout {
		log_error "scontrol is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

cancel_job $job_id

#
# Change the slurm.conf MCSparameters and MCSPlugin
# test with ondemand,noselect
#
log_info "---Checking sbatch doesn't use mcs-label on filter (ondemand,noselect mode)---"
exec $bin_sed -i /^\[\t\s\]*MCSPlugin\[\t\s\]*=/Id $config_file
exec $bin_sed -i /^\[\t\s\]*MCSParameters\[\t\s\]*=/Id $config_file
exec $bin_sed -i /^\[\t\s\]*PrivateData\[\t\s\]*=/Id $config_file
exec $bin_echo -e "\nMCSPlugin=mcs/user" >> $config_file
exec $bin_echo MCSParameters=ondemand,noselect,privatedata >> $config_file
exec $bin_echo PrivateData=jobs,nodes >> $config_file
reconfigure

###### Check that sbatch uses mcs-label=user ######
log_info "---Checking sbatch uses --exclusive=mcs ---"

make_bash_script $tmp_job "sleep 30"

spawn $sbatch -N1 --exclusive=mcs -o/dev/null -t10 $tmp_job
expect {
	-re "Submitted batch job ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		log_error "sbatch is not responding"
		set exit_code 1
		}
	eof {
		wait
	}
}

if {$job_id == 0} {
	log_error "Job was not submitted"
	set exit_code 1
} elseif {[wait_for_job $job_id "RUNNING"]} {
	set exit_code 1
}

set found 0
spawn $squeue --jobs=$job_id --noheader -O "mcslabel"
expect {
	-re "$user_name" {
		log_debug "MCS-label OK for this job"
		set found 1
		exp_continue
	}
	-re "(null)" {
		log_error "NO MCS-label for this job"
		set exit_code 1
		exp_continue
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "Job was submitted with a bad mcs-label"
	set exit_code 1
}

set found 0
set node 0
spawn $squeue --jobs=$job_id --noheader -O "nodelist"
expect {
	-re "($re_word_str)" {
		set node $expect_out(1,string)
		log_debug "Node for this job : $node"
		set found 1
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "No node found in squeue command"
	set exit_code 1
}

#
# verify MCS of nodes
#
set found 0
spawn -noecho $bin_bash -c "exec $scontrol show node=$node | $bin_grep MCS"
expect {
	-re "MCS_label=$user_name" {
		log_error "A mcs_label is found for this job. It was not expected"
		set exit_code 1
	}
	 -re "MCS_label=N/A" {
		log_debug "No mcs_label for this node. It was expected"
	}
	timeout {
		log_error "scontrol is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

cancel_job $job_id

###### Check that sbatch doesn't use mcs-label ######
log_info "---Checking sbatch uses --exclusive=mcs ---"

make_bash_script $tmp_job "sleep 30"
set job_id 0
spawn $sbatch -N1 -o/dev/null -t10 $tmp_job
expect {
	-re "Submitted batch job ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		log_error "sbatch is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$job_id == 0} {
	log_error "job was not submitted"
	set exit_code 1
} elseif {[wait_for_job $job_id "RUNNING"]} {
	set exit_code 1
}

set found 0
spawn $squeue --jobs=$job_id --noheader -O "mcslabel"
expect {
	-re "(null)" {
		log_debug "NO MCS-label for this job : this is expected"
		exp_continue
	}
	-re "$user_name" {
		log_debug "A MCS-label for this job : this is not expected"
		set found 1
		exp_continue
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 1} {
	log_error "Job was submitted with a bad mcs-label"
	set exit_code 1
}

cancel_job $job_id
if {[wait_for_job $job_id "DONE"]} {
	set exit_code 1
}

log_info "---Checking sbatch uses mcs-label for all jobs (enforced,select mode)---"

#
# Change the slurm.conf MCSparameters and MCSPlugin
# test with enforced,select
#
exec $bin_sed -i /^\[\t\s\]*MCSPlugin\[\t\s\]*=/Id $config_file
exec $bin_sed -i /^\[\t\s\]*MCSParameters\[\t\s\]*=/Id $config_file
exec $bin_sed -i /^\[\t\s\]*PrivateData\[\t\s\]*=/Id $config_file
exec $bin_echo -e "\nMCSPlugin=mcs/user" >> $config_file
exec $bin_echo MCSParameters=enforced,select,privatedata >> $config_file
exec $bin_echo PrivateData=jobs,nodes >> $config_file
reconfigure

###### Check that sbatch uses mcs-label=user ######
log_info "---Checking sbatch with no --exclusive=mcs ---"

make_bash_script $tmp_job "sleep 30"
set job_id 0
spawn $sbatch -N1 -o/dev/null -t20 $tmp_job
expect {
	-re "Submitted batch job ($number)" {
		set job_id $expect_out(1,string)
		exp_continue
	}
	timeout {
		log_error "sbatch is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$job_id == 0} {
	fail "Job was not submitted"
} elseif {[wait_for_job $job_id "RUNNING"]} {
	set exit_code 1
}

set found 0
spawn $squeue --jobs=$job_id --noheader -O "mcslabel"
expect {
	-re "(null)" {
		log_debug "NO MCS-label for this job : this is not expected"
		exp_continue
	}
	-re "$user_name" {
		log_debug "MCS-label OK for this job"
		set found 1
		exp_continue
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "Job was submitted with a bad mcs-label"
	set exit_code 1
}

set found 0
set node 0
spawn $squeue --jobs=$job_id --noheader -O "nodelist"
expect {
	-re "($re_word_str)" {
		set node $expect_out(1,string)
		log_debug "Node for this job : $node"
		set found 1
	}
	timeout {
		log_error "squeue is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "No node found in squeue command"
	set exit_code 1
}


#
# verify MCS of nodes
#
set found 0
spawn -noecho $bin_bash -c "exec $scontrol show node=$node | $bin_grep MCS"
expect {
	-re "MCS_label=$user_name" {
		log_debug "mcs_label OK for node $node"
		set found 1
		exp_continue
	}
	timeout {
		log_error "scontrol is not responding"
		set exit_code 1
	}
	eof {
		wait
	}
}

if {$found == 0} {
	log_error "Job was submitted with node with bad mcs-label"
	set exit_code 1
}

cancel_job $job_id

# Clean up vestigial files and restore original slurm.conf file
restore_conf $config_file
reconfigure

if {$exit_code == 0} {
	exec $bin_rm $tmp_job
} else {
	fail "Test failed due to previous errors (\$exit_code = $exit_code)"
}