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|
#!/bin/bash
#
# Copyright (C) - 2020 EfficiOS, inc
#
# 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 the `lttng remove-trigger` command line interface.
CURDIR="$(dirname "$0")"
TESTDIR="$CURDIR/../../.."
# shellcheck source=../../../utils/utils.sh
source "$TESTDIR/utils/utils.sh"
plan_tests 22
FULL_LTTNG_BIN="${TESTDIR}/../src/bin/lttng/${LTTNG_BIN}"
tmp_stdout=$(mktemp -t test_remove_triggers_cli_stdout.XXXXXX)
tmp_stderr=$(mktemp -t test_remove_triggers_cli_stderr.XXXXXX)
tmp_expected_stdout=$(mktemp -t test_remove_triggers_cli_expected_stdout.XXXXXX)
uid=$(id --user)
gid=$(id --group)
function list_triggers ()
{
local test_name="$1"
local expected_stdout_file="$2"
"${FULL_LTTNG_BIN}" list-triggers > "${tmp_stdout}" 2> "${tmp_stderr}"
ok $? "${test_name}: exit code is 0"
diff -u "${expected_stdout_file}" "${tmp_stdout}"
ok $? "${test_name}: expected stdout"
diff -u /dev/null "${tmp_stderr}"
ok $? "${test_name}: expected stderr"
}
function remove_trigger ()
{
local name="$1"
local test_name="remove trigger ${name}"
"${FULL_LTTNG_BIN}" remove-trigger "${name}" > "${tmp_stdout}" 2> "${tmp_stderr}"
ok $? "${test_name}: exit code is 0"
diff -u <(echo "Removed trigger \`${name}\`.") "${tmp_stdout}"
ok $? "${test_name}: expected stdout"
diff -u /dev/null "${tmp_stderr}"
ok $? "${test_name}: expected stderr"
}
function test_mi ()
{
local tmp_stdout_raw
local tmp_expected_stdout
# Concretely the code used to serialize a trigger object is the same as
# the one used by the list command. Here we simply validate that a
# simple trigger is correctly generated on removal for MI.
tmp_stdout_raw=$(mktemp -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
tmp_expected_stdout=$(mktemp -t "tmp.${FUNCNAME[0]}_expected_stdout.XXXXXX")
diag "${FULL_LTTNG_BIN} --mi=xml remove-trigger"
cat > "${tmp_expected_stdout}" <<- EOF
<?xml version="1.0" encoding="UTF-8"?>
<command xmlns="https://lttng.org/xml/ns/lttng-mi" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://lttng.org/xml/ns/lttng-mi https://lttng.org/xml/schemas/lttng-mi/${MI_XSD_MAJOR_VERSION}/lttng-mi-${MI_XSD_MAJOR_VERSION}.${MI_XSD_MINOR_VERSION}.xsd" schemaVersion="${MI_XSD_MAJOR_VERSION}.${MI_XSD_MINOR_VERSION}">
<name>remove-trigger</name>
<output>
<trigger>
<name>mi</name>
<owner_uid>${UID}</owner_uid>
<condition>
<condition_event_rule_matches>
<event_rule>
<event_rule_user_tracepoint>
<name_pattern>mi_aa</name_pattern>
<filter_expression>p == 2</filter_expression>
</event_rule_user_tracepoint>
</event_rule>
<capture_descriptors/>
</condition_event_rule_matches>
</condition>
<action>
<action_list>
<action>
<action_notify>
<rate_policy>
<rate_policy_every_n>
<interval>1</interval>
</rate_policy_every_n>
</rate_policy>
</action_notify>
</action>
</action_list>
</action>
</trigger>
</output>
<success>true</success>
</command>
EOF
# Add a trigger
lttng_add_trigger_ok "mi" --condition event-rule-matches --name=mi_aa --type=user --filter 'p == 2' --action notify
# Remove it
"${FULL_LTTNG_BIN}" --mi xml remove-trigger mi > "${tmp_stdout_raw}" 2> "${tmp_stderr}"
ok $? "remove-trigger mi: exit code is 0"
# Pretty-fy xml before further test.
$XML_PRETTY < "${tmp_stdout_raw}" > "${tmp_stdout}"
$MI_VALIDATE "${tmp_stdout}"
ok $? "remove-trigger mi is valid"
diff -u "${tmp_expected_stdout}" "${tmp_stdout}"
ok $? "mi: expected stdout"
diff -u "${tmp_stderr}" /dev/null
ok $? "mi: expected stderr"
rm -f "${tmp_stdout_raw}"
}
# shellcheck disable=SC2119
start_lttng_sessiond_notap
# Add a few triggers
lttng_add_trigger_ok "ABC" --condition event-rule-matches --name=aaa --type=user --filter 'p == 2' --action notify
lttng_add_trigger_ok "DEF" --condition event-rule-matches --type=user --action notify
cat > "${tmp_expected_stdout}" <<- EOF
- name: ABC
owner uid: ${uid}
condition: event rule matches
rule: aaa (type: user tracepoint, filter: p == 2)
errors: none
actions:
notify
errors: none
errors: none
- name: DEF
owner uid: ${uid}
condition: event rule matches
rule: * (type: user tracepoint)
errors: none
actions:
notify
errors: none
errors: none
EOF
list_triggers "two triggers left" "${tmp_expected_stdout}"
remove_trigger "ABC"
cat > "${tmp_expected_stdout}" <<- EOF
- name: DEF
owner uid: ${uid}
condition: event rule matches
rule: * (type: user tracepoint)
errors: none
actions:
notify
errors: none
errors: none
EOF
list_triggers "one trigger left" "${tmp_expected_stdout}"
remove_trigger "DEF"
list_triggers "no triggers left" "/dev/null"
test_mi
# Cleanup
stop_lttng_sessiond_notap
rm -f "${tmp_stdout}"
rm -f "${tmp_stderr}"
rm -f "${tmp_expected_stdout}"
|
