Tests for the session rotation feature

[lttng-tools.git] / tests / regression / tools / rotation / test_save_load_mi

#!/bin/bash
#
# Copyright (C) - 2017 Julien Desfossez <jdesfossez@efficios.com>
#
# This library is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; version 2.1 of the License.
#
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA

TEST_DESC="Rotation - Save/Load/List/MI"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
SESSION_NAME="stream"

TRACE_PATH=$(mktemp -d)

NUM_TESTS=14

source $TESTDIR/utils/utils.sh
source $CURDIR/rotate_utils.sh

#Overwrite the lttng_bin to get mi output
LTTNG_BIN="lttng --mi xml"

#Global declaration for simplification
LTTNG=$TESTDIR/../src/bin/lttng/$LTTNG_BIN

XSD_PATH=$TESTDIR/../src/common/mi-lttng-3.0.xsd

XML_VALIDATE="$TESTDIR/regression/tools/mi/validate_xml $XSD_PATH"
XML_EXTRACT="$TESTDIR/regression/tools/mi/extract_xml"

XPATH_CMD_OUTPUT="//lttng:command/lttng:output"
XPATH_SESSION="$XPATH_CMD_OUTPUT/lttng:sessions/lttng:session"
XPATH_ROTATE_SETUP="$XPATH_CMD_OUTPUT/lttng:rotation_schedule"

function test_save_load ()
{
	tmp_xml_output=$(mktemp -u)
	tmp_save_output=$(mktemp -d)

	diag "Test save/load/list/MI with rotation"
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_ust_lttng_event_ok $SESSION_NAME -a

	# Enable a rotation timer and check the MI output of the command
	$LTTNG enable-rotation -s $SESSION_NAME --timer 500ms >${tmp_xml_output}
	$XML_VALIDATE ${tmp_xml_output}
	ok $? "Valid lttng enable-rotation timer XML"
	value=$($XML_EXTRACT ${tmp_xml_output} ${XPATH_ROTATE_SETUP}/lttng:rotation_schedule_timer_period)
	test $value = 500000
	ok $? "Found the right rotation timer value in XML"

	# Enable a rotation size and check the MI output of the command
	$LTTNG enable-rotation -s $SESSION_NAME --size 500k >${tmp_xml_output}
	$XML_VALIDATE ${tmp_xml_output}
	ok $? "Valid lttng enable-rotation size XML"
	value=$($XML_EXTRACT ${tmp_xml_output} ${XPATH_ROTATE_SETUP}/lttng:rotation_schedule_size)
	test $value = 512000
	ok $? "Found the right rotation size value in XML"

	# Check the output of lttng list with the 2 rotation parameters
	$LTTNG list $SESSION_NAME >${tmp_xml_output}
	$XML_VALIDATE ${tmp_xml_output}
	ok $? "Valid lttng list XML"
	value=$($XML_EXTRACT ${tmp_xml_output} ${XPATH_SESSION}/lttng:rotation_schedule_timer_period)
	test $value = 500000
	ok $? "Found the right rotation timer value in list XML"
	value=$($XML_EXTRACT ${tmp_xml_output} ${XPATH_SESSION}/lttng:rotation_schedule_size)
	test $value = 512000
	ok $? "Found the right rotation size value in list XML"

	# save, destroy and reload the same session
	$LTTNG save -o $tmp_save_output$SESSION_NAME >/dev/null
	$LTTNG destroy $SESSION_NAME >/dev/null
	$LTTNG load -i $tmp_save_output$SESSION_NAME >/dev/null

	# Check the output of lttng list with the 2 rotation parameters after the load
	$LTTNG list $SESSION_NAME >${tmp_xml_output}
	$XML_VALIDATE ${tmp_xml_output}
	ok $? "Valid lttng list XML after load"
	value=$($XML_EXTRACT ${tmp_xml_output} ${XPATH_SESSION}/lttng:rotation_schedule_timer_period)
	test $value = 500000
	ok $? "Found the right rotation timer value in list XML after load"
	value=$($XML_EXTRACT ${tmp_xml_output} ${XPATH_SESSION}/lttng:rotation_schedule_size)
	test $value = 512000
	ok $? "Found the right rotation size value in list XML after load"

	$LTTNG destroy $SESSION_NAME >/dev/null

	rm -rf ${TRACE_PATH}
	rm $tmp_xml_output
	rm -rf $tmp_save_output
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

start_lttng_sessiond

tests=( test_save_load )

for fct_test in ${tests[@]};
do
	SESSION_NAME=$(randstring 16 0)
	${fct_test}
done

stop_lttng_sessiond

exit $out