#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Test of --deadline option and time limit partition
############################################################################
# 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 file_in        "test$test_id.bash"
set test_salloc    "test$test_id.test_salloc"
set job_id         0
set authorized     1
set exit_code      0
set part_name      "QA_TEST"

proc cleanup {} {
	global bin_rm test_salloc file_in

	exec $bin_rm $test_salloc $file_in
}

if {![is_super_user]} {
	skip "Can not test more unless SlurmUser or root"
}

#
# Confirm the partition name does not already exist
#
set found -1
spawn $scontrol -a show part $part_name
expect {
	-re "not found" {
		log_debug "This error was expected, no worries"
		set found 0
		exp_continue
	}
	-re "PartitionName" {
		set found 1
		exp_continue
	}
	timeout {
		fail "scontrol not responding"
	}
	eof {
		wait
	}
}
if {$found == -1} {
	fail "scontrol output format error"
}
if {$found == 1} {
	fail "Partition $part_name already exists"
}

#
# Identify usable nodes in default partition
#
set def_node [lindex [get_nodes_by_state] 0]
if {[string compare $def_node ""] == 0} {
#	Wait for possible Epilog
	sleep 10
	set def_node [lindex [get_nodes_by_state] 0]
}
if {[string compare $def_node ""] == 0} {
	fail "Default partition seems to have no nodes"
}

#
# Create a new partition
#
spawn $scontrol create PartitionName=$part_name Nodes=$def_node MaxTime=30
expect {
	-re "error" {
		log_error "Something bad happened on partition create"
		set exit_code 1
		exp_continue
	}
	timeout {
		fail "scontrol not responding"
	}
	eof {
		wait
	}
}

#
# Confirm the partition now exists
#
set allow  0
set found -1
spawn $scontrol show part $part_name
expect {
	-re "not found" {
		set found 0
		exp_continue
	}
	-re "PartitionName" {
		set found 1
		exp_continue
	}
	timeout {
		fail "scontrol not responding"
	}
	eof {
		wait
	}
}
if {$found != 1} {
	fail "Partition not created"
}

set found 0

# Check EnforcePartLimits value
set enforcepartlimits [get_config_param "EnforcePartLimits"]
log_debug "EnforcePartLimits=$enforcepartlimits"

#
# Run a job in this new partition and validate the time limit
#
make_bash_script $test_salloc "
set -m
$salloc --no-shell -N1 --deadline now+1hour -p $part_name -t100 $bin_sleep 1 &
"

make_bash_script $file_in "
bash -i ./$test_salloc
"

set timeout $max_job_delay
spawn bash -i $file_in
if {[string compare $enforcepartlimits "NO"] == 0} {
	expect {
		-re "Pending job allocation ($number)" {
			set job_id $expect_out(1,string)
			set exit_code 0
		}

		timeout {
			log_error "salloc not responding"
			set exit_code 1
			exp_continue
		}
		eof {
			wait
		}
	}

	#
	# verify time limit. Add a temporization to wait for update reason
	#
	if {$job_id == 0} {
		log_error "Job_id = 0 : salloc not OK "
		set exit_code 1
	} else {
		set cycle_count 8
		for {set inx 0} {$inx < $cycle_count} {incr inx} {
			spawn $scontrol show job $job_id
			expect {
				-re "Reason=PartitionTimeLimit" {
					set exit_code 0
					break
				}
				-re "Reason=" {
					set exit_code 1
					sleep 5
					exp_continue
				}
				timeout {
					fail "scontrol not responding"
				}
				eof {
					wait
				}
			}
		}
		if {$exit_code == 1} {
			log_error "Partition time limit not used"
			set exit_code 1
		}
		cancel_job $job_id
	}
} else {
	#
        # Job should be rejected at submit time
        #
        expect {
                -re "Requested time limit is invalid (missing or exceeds some limit)" {
                        set exit_code 0
                        exp_continue
                }
                -re "unrecognized option '--deadline'" {
                        set exit_code 1
                        exp_continue
                }
                timeout {
                        fail "salloc not responding"
                }
                eof {
                        wait
                }
        }
}

#
# Now delete the partition
#
spawn $scontrol delete PartitionName=$part_name
expect {
	timeout {
		fail "scontrol not responding"
	}
	eof {
		wait
	}
}

#
# Confirm the partition is now gone
#
set found -1
spawn $scontrol show part $part_name
expect {
	-re "not found" {
		log_debug "This error was expected, no worries"
		set found 0
		exp_continue
	}
	-re "PartitionName" {
		set found 1
		exp_continue
	}
	timeout {
		fail "scontrol not responding"
	}
	eof {
		wait
	}
}
if {$found != 0} {
	fail "Partition not deleted"
}

if {$exit_code != 0} {
	fail "Test failed due to previous errors (\$exit_code = $exit_code)"
}
