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1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2020 EfficiOS, inc | |
4 | # | |
5 | # This library is free software; you can redistribute it and/or modify it under | |
6 | # the terms of the GNU Lesser General Public License as published by the Free | |
7 | # Software Foundation; version 2.1 of the License. | |
8 | # | |
9 | # This library is distributed in the hope that it will be useful, but WITHOUT | |
10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
11 | # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | |
12 | # details. | |
13 | # | |
14 | # You should have received a copy of the GNU Lesser General Public License | |
15 | # along with this library; if not, write to the Free Software Foundation, Inc., | |
16 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | ||
18 | # Test the `lttng list-trigger` command line interface. | |
19 | ||
20 | CURDIR="$(dirname "$0")" | |
21 | TESTDIR="$CURDIR/../../.." | |
22 | ||
23 | # shellcheck source=../../../utils/utils.sh | |
24 | source "$TESTDIR/utils/utils.sh" | |
25 | ||
26 | plan_tests 41 | |
27 | ||
28 | FULL_LTTNG_BIN="${TESTDIR}/../src/bin/lttng/${LTTNG_BIN}" | |
29 | ||
30 | tmp_stdout=$(mktemp -t test_list_triggers_cli_stdout.XXXXXX) | |
31 | tmp_stderr=$(mktemp -t test_list_triggers_cli_stderr.XXXXXX) | |
32 | tmp_expected_stdout=$(mktemp -t test_list_triggers_cli_expected_stdout.XXXXXX) | |
33 | uprobe_elf_binary=$(realpath "${TESTDIR}/utils/testapp/userspace-probe-elf-binary/userspace-probe-elf-binary") | |
34 | ||
35 | if [ "$(id -u)" == "0" ]; then | |
36 | ist_root=1 | |
37 | else | |
38 | ist_root=0 | |
39 | fi | |
40 | ||
41 | function add_trigger () | |
42 | { | |
43 | "${FULL_LTTNG_BIN}" add-trigger "$@" | |
44 | ok $? "add trigger \`$*\`: exit code is 0" | |
45 | } | |
46 | ||
47 | function list_triggers () | |
48 | { | |
49 | local test_name="$1" | |
50 | local expected_stdout_file="$2" | |
51 | ||
52 | "${FULL_LTTNG_BIN}" list-triggers > "${tmp_stdout}" 2> "${tmp_stderr}" | |
53 | ok $? "${test_name}: exit code is 0" | |
54 | ||
55 | diff -u "${expected_stdout_file}" "${tmp_stdout}" | |
56 | ok $? "${test_name}: expected stdout" | |
57 | ||
58 | diff -u /dev/null "${tmp_stderr}" | |
59 | ok $? "${test_name}: expected stderr" | |
60 | } | |
61 | ||
62 | test_top_level_options () | |
63 | { | |
64 | # shellcheck disable=SC2119 | |
65 | start_lttng_sessiond_notap | |
66 | ||
67 | ||
68 | add_trigger --id hello --condition on-event -u test-id --action notify | |
69 | add_trigger --fire-once-after 123 --condition on-event -u test-fire-once-after --action notify | |
70 | add_trigger --fire-every 124 --condition on-event -u test-fire-every --action notify | |
71 | ||
72 | cat > "${tmp_expected_stdout}" <<- EOF | |
73 | - id: T2 | |
74 | firing policy: once after 123 occurences | |
75 | condition: event rule hit | |
76 | rule: test-fire-once-after (type: tracepoint, domain: ust) | |
77 | actions: | |
78 | notify | |
79 | - id: T3 | |
80 | firing policy: after every 124 occurences | |
81 | condition: event rule hit | |
82 | rule: test-fire-every (type: tracepoint, domain: ust) | |
83 | actions: | |
84 | notify | |
85 | - id: hello | |
86 | condition: event rule hit | |
87 | rule: test-id (type: tracepoint, domain: ust) | |
88 | actions: | |
89 | notify | |
90 | EOF | |
91 | ||
92 | list_triggers "top level options" "${tmp_expected_stdout}" | |
93 | ||
94 | stop_lttng_sessiond_notap | |
95 | } | |
96 | ||
97 | test_on_event_tracepoint () | |
98 | { | |
99 | # shellcheck disable=SC2119 | |
100 | start_lttng_sessiond_notap | |
101 | ||
102 | add_trigger --condition on-event -u -a --action notify | |
103 | add_trigger --id ABC --condition on-event aaa -u --filter 'p == 2' --action notify | |
104 | add_trigger --condition on-event 'hello*' -u -x 'hello2,hello3,hello4' --action notify | |
105 | add_trigger --id BCD --condition on-event -u gerboise --loglevel INFO --action notify | |
106 | add_trigger --condition on-event -u lemming --loglevel-only WARNING --action notify | |
107 | ||
108 | cat > "${tmp_expected_stdout}" <<- EOF | |
109 | - id: ABC | |
110 | condition: event rule hit | |
111 | rule: aaa (type: tracepoint, domain: ust, filter: p == 2) | |
112 | actions: | |
113 | notify | |
114 | - id: BCD | |
115 | condition: event rule hit | |
116 | rule: gerboise (type: tracepoint, domain: ust, log level <= TRACE_INFO) | |
117 | actions: | |
118 | notify | |
119 | - id: T1 | |
120 | condition: event rule hit | |
121 | rule: * (type: tracepoint, domain: ust) | |
122 | actions: | |
123 | notify | |
124 | - id: T3 | |
125 | condition: event rule hit | |
126 | rule: hello* (type: tracepoint, domain: ust, exclusions: hello2,hello3,hello4) | |
127 | actions: | |
128 | notify | |
129 | - id: T5 | |
130 | condition: event rule hit | |
131 | rule: lemming (type: tracepoint, domain: ust, log level == TRACE_WARNING) | |
132 | actions: | |
133 | notify | |
134 | EOF | |
135 | ||
136 | list_triggers "on-event, tracepoint event rule" "${tmp_expected_stdout}" | |
137 | ||
138 | stop_lttng_sessiond_notap | |
139 | } | |
140 | ||
141 | test_on_event_probe () | |
142 | { | |
143 | local sys_open_addr | |
144 | ||
145 | # shellcheck disable=SC2119 | |
146 | start_lttng_sessiond_notap | |
147 | ||
148 | sys_open_addr=$(grep ' T do_sys_open$' /proc/kallsyms | cut -f 1 -d ' ') | |
149 | ||
150 | add_trigger --condition on-event -k --probe=do_sys_open my_sys_open --action notify | |
151 | add_trigger --condition on-event -k --probe=do_sys_open+10 my_sys_open --action notify | |
152 | add_trigger --condition on-event -k --probe="${sys_open_addr}" my_sys_open --action notify | |
153 | add_trigger --condition on-event -k --probe="${sys_open_addr}+10" my_sys_open --action notify | |
154 | ||
155 | cat > "${tmp_expected_stdout}" <<- EOF | |
156 | - id: T1 | |
157 | condition: event rule hit | |
158 | rule: my_sys_open (type: probe, location: do_sys_open) | |
159 | actions: | |
160 | notify | |
161 | - id: T2 | |
162 | condition: event rule hit | |
163 | rule: my_sys_open (type: probe, location: do_sys_open+10) | |
164 | actions: | |
165 | notify | |
166 | - id: T3 | |
167 | condition: event rule hit | |
168 | rule: my_sys_open (type: probe, location: ${sys_open_addr}) | |
169 | actions: | |
170 | notify | |
171 | - id: T4 | |
172 | condition: event rule hit | |
173 | rule: my_sys_open (type: probe, location: ${sys_open_addr}+10) | |
174 | actions: | |
175 | notify | |
176 | EOF | |
177 | ||
178 | list_triggers "on-event, probe event rule" "${tmp_expected_stdout}" | |
179 | ||
180 | stop_lttng_sessiond_notap | |
181 | } | |
182 | ||
183 | test_on_event_userspace_probe () | |
184 | { | |
185 | # shellcheck disable=SC2119 | |
186 | start_lttng_sessiond_notap | |
187 | ||
188 | add_trigger --condition on-event -k --userspace-probe=${uprobe_elf_binary}:test_function ma-probe --action notify | |
189 | ||
190 | cat > "${tmp_expected_stdout}" <<- EOF | |
191 | - id: T1 | |
192 | condition: event rule hit | |
193 | rule: ma-probe (type: userspace probe, location: ${uprobe_elf_binary}:test_function) | |
194 | actions: | |
195 | notify | |
196 | EOF | |
197 | ||
198 | list_triggers "on-event, userspace-probe event rule" "${tmp_expected_stdout}" | |
199 | ||
200 | stop_lttng_sessiond_notap | |
201 | } | |
202 | ||
203 | test_on_event_syscall () | |
204 | { | |
205 | # shellcheck disable=SC2119 | |
206 | start_lttng_sessiond_notap | |
207 | ||
208 | add_trigger --condition on-event -k --syscall open --action notify | |
209 | add_trigger --condition on-event -k --syscall ptrace --filter 'a > 2' --action notify | |
210 | ||
211 | cat > "${tmp_expected_stdout}" <<- EOF | |
212 | - id: T1 | |
213 | condition: event rule hit | |
214 | - rule: open (type: syscall) | |
215 | actions: | |
216 | notify | |
217 | - id: T2 | |
218 | condition: event rule hit | |
219 | - rule: ptrace (type: syscall, filter: a > 2) | |
220 | actions: | |
221 | notify | |
222 | EOF | |
223 | ||
224 | list_triggers "on-event, syscall event rule" "${tmp_expected_stdout}" | |
225 | ||
226 | stop_lttng_sessiond_notap | |
227 | } | |
228 | ||
229 | test_snapshot_action () | |
230 | { | |
231 | start_lttng_sessiond_notap | |
232 | ||
233 | add_trigger --condition on-event -u some-event --action snapshot-session ze-session | |
234 | add_trigger --condition on-event -u some-event --action snapshot-session ze-session /some/path | |
235 | add_trigger --condition on-event -u some-event --action snapshot-session ze-session file:///some/other/path | |
236 | add_trigger --condition on-event -u some-event --action snapshot-session ze-session net://1.2.3.4 | |
237 | add_trigger --condition on-event -u some-event --action snapshot-session ze-session net://1.2.3.4:1234:1235 | |
238 | add_trigger --condition on-event -u some-event --action snapshot-session ze-session --ctrl-url=tcp://1.2.3.4:1111 --data-url=tcp://1.2.3.4:1112 | |
239 | add_trigger --condition on-event -u some-event --action snapshot-session ze-session /some/path --max-size=1234 | |
240 | add_trigger --condition on-event -u some-event --action snapshot-session ze-session /some/path --name=meh | |
241 | ||
242 | ||
243 | cat > "${tmp_expected_stdout}" <<- EOF | |
244 | - id: T1 | |
245 | condition: event rule hit | |
246 | rule: some-event (type: tracepoint, domain: ust) | |
247 | actions: | |
248 | snapshot session \`ze-session\` | |
249 | - id: T2 | |
250 | condition: event rule hit | |
251 | rule: some-event (type: tracepoint, domain: ust) | |
252 | actions: | |
253 | snapshot session \`ze-session\`, path: /some/path | |
254 | - id: T3 | |
255 | condition: event rule hit | |
256 | rule: some-event (type: tracepoint, domain: ust) | |
257 | actions: | |
258 | snapshot session \`ze-session\`, path: /some/other/path | |
259 | - id: T4 | |
260 | condition: event rule hit | |
261 | rule: some-event (type: tracepoint, domain: ust) | |
262 | actions: | |
263 | snapshot session \`ze-session\`, url: net://1.2.3.4 | |
264 | - id: T5 | |
265 | condition: event rule hit | |
266 | rule: some-event (type: tracepoint, domain: ust) | |
267 | actions: | |
268 | snapshot session \`ze-session\`, url: net://1.2.3.4:1234:1235 | |
269 | - id: T6 | |
270 | condition: event rule hit | |
271 | rule: some-event (type: tracepoint, domain: ust) | |
272 | actions: | |
273 | snapshot session \`ze-session\`, control url: tcp://1.2.3.4:1111, data url: tcp://1.2.3.4:1112 | |
274 | - id: T7 | |
275 | condition: event rule hit | |
276 | rule: some-event (type: tracepoint, domain: ust) | |
277 | actions: | |
278 | snapshot session \`ze-session\`, path: /some/path, max size: 1234 | |
279 | - id: T8 | |
280 | condition: event rule hit | |
281 | rule: some-event (type: tracepoint, domain: ust) | |
282 | actions: | |
283 | snapshot session \`ze-session\`, path: /some/path, name: meh | |
284 | EOF | |
285 | ||
286 | list_triggers "snapshot action" "${tmp_expected_stdout}" | |
287 | ||
288 | stop_lttng_sessiond_notap | |
289 | } | |
290 | ||
291 | test_top_level_options | |
292 | test_on_event_tracepoint | |
293 | skip $ist_root "non-root user: skipping kprobe tests" 7 || test_on_event_probe | |
294 | skip $ist_root "non-root user: skipping uprobe tests" 4 || test_on_event_userspace_probe | |
295 | skip $ist_root "non-root user: skipping syscall tests" 5 || test_on_event_syscall | |
296 | test_snapshot_action | |
297 | ||
298 | # Cleanup | |
299 | rm -f "${tmp_stdout}" | |
300 | rm -f "${tmp_stderr}" | |
301 | rm -f "${tmp_expected_stdout}" |