passt/test/pasta_options/log_to_file

# SPDX-License-Identifier: GPL-2.0-or-later
#
# PASST - Plug A Simple Socket Transport
#  for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
#  for network namespace/tap device mode
#
# test/pasta_options/log_to_file - Check log creation, rotations and consistency
#
# Copyright (c) 2022 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>

htools	wc tcp_rr tail cut tr sort

def	flood_log_server
passtb	tcp_crr --nolog -P 10001 -C 10002 -6
sleep	1
endef

def	flood_log_client
host	tcp_crr --nolog -P 10001 -C 10002 -6 -c -H ::1
endef

def	check_log_size_mountns
pout	SIZE cat __LOG_FILE__ | wc -c
check	[ __SIZE__ -gt $((50 * 1024)) ]
check	[ __SIZE__ -lt $((100 * 1024)) ]
endef

test	Log creation

set	PORTS -t 10001,10002 -u 10001,10002
set	LOG_FILE __STATEDIR__/pasta.log

passt	./pasta -l __LOG_FILE__ -- /bin/true
check	[ -s __LOG_FILE__ ]

test	Log truncated on creation
passt	./pasta -l __LOG_FILE__ -- /bin/true & wait
pout	PID2 echo $!
check	head -1 __LOG_FILE__ | grep '^pasta .* [(]__PID2__[)]$'

test	Maximum log size
passtb	./pasta --config-net -d -f -l __LOG_FILE__ --log-size $((100 * 1024)) -- sh -c 'while true; do tcp_crr --nolog -P 10001 -C 10002 -6; done'
sleep	1

flood_log_client
check	[ $(cat __LOG_FILE__ | wc -c) -gt $((50 * 1024)) ]
check	[ $(cat __LOG_FILE__ | wc -c) -lt $((100 * 1024)) ]

flood_log_client
check	[ $(cat __LOG_FILE__ | wc -c) -gt $((50 * 1024)) ]
check	[ $(cat __LOG_FILE__ | wc -c) -lt $((100 * 1024)) ]

flood_log_client
check	[ $(cat __LOG_FILE__ | wc -c) -gt $((50 * 1024)) ]
check	[ $(cat __LOG_FILE__ | wc -c) -lt $((100 * 1024)) ]

pint

test	Timestamp consistency after rotations
check	tail -n +2 __LOG_FILE__ | cut -f1 -d' ' | tr -d [.:] | sort -c

test	Maximum log size on tmpfs (no FALLOC_FL_COLLAPSE_RANGE)
passt	unshare -rUm
passt	mkdir __STATEDIR__/t
passt	mount -t tmpfs none __STATEDIR__/t
set	LOG_FILE __STATEDIR__/t/log
passt	./pasta --config-net -d -l __LOG_FILE__ --log-size $((100 * 1024))

flood_log_server
flood_log_client
check_log_size_mountns

flood_log_server
flood_log_client
check_log_size_mountns

flood_log_server
flood_log_client
check_log_size_mountns

test	Timestamp consistency after rotations (no FALLOC_FL_COLLAPSE_RANGE)
check	tail -n +2 __LOG_FILE__ | cut -f1 -d' ' | tr -d [.:] | sort -c

passtb	exit
sleep	1
passt	umount __STATEDIR__/t
passt	exit