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74eb7096 JR |
1 | import pytest |
2 | import os | |
3 | import shutil | |
4 | import signal | |
5 | import subprocess | |
6 | ||
7 | import lttng_ivc.utils.ProjectFactory as ProjectFactory | |
8 | import lttng_ivc.utils.utils as utils | |
9 | import lttng_ivc.utils.runtime as Run | |
10 | import lttng_ivc.settings as Settings | |
11 | ||
12 | """ | |
13 | ||
14 | FC: Fully Compatible | |
15 | BC: Feature of the smallest version number will works. | |
16 | TU: Tracing unavailable | |
17 | ||
18 | Note: actual testing is limited by lttng-ust and lttng-tools abi/api. | |
19 | ||
20 | +----------------------------------------------------------------------------------+ | |
21 | | LTTng UST Java agent protocol vs LTTng session daemon | | |
22 | +--------------------------+------------+------------+------------+----------------+ | |
23 | | LTTng UST Java/ LTTng Tools | 2.7 (1.0) | 2.8 (2.0) | 2.9 (2.0) | 2.10 (2.0) | | |
24 | +--------------------------+------------+------------+------------+----------------+ | |
25 | | 2.7 (1.0) | FC | TU | TU | TU | | |
26 | | 2.8 (2.0) | TU | FC | BC | BC | | |
27 | | 2.9 (2.0) | TU | BC | FC | BC | | |
28 | | 2.10 (2.0) | TU | BC | BC | FC | | |
29 | +--------------------------+------------+------------+------------+----------------+ | |
30 | ||
31 | """ | |
32 | ||
33 | """ | |
34 | First tuple member: lttng-ust label | |
35 | Second tuple member: lttng-tool label | |
36 | Third tuple member: app version to use | |
37 | Fourth tuple member: expected scenario | |
38 | """ | |
39 | ||
40 | version_to_app = {1: Settings.apps_jul_1, | |
41 | 2: Settings.apps_jul_2} | |
42 | ||
43 | test_matrix_tracing_available = [ | |
44 | ("lttng-ust-2.7", "lttng-tools-2.7", 1, True), | |
45 | ("lttng-ust-2.7", "lttng-tools-2.8", 1, False), | |
46 | ("lttng-ust-2.7", "lttng-tools-2.9", 1, False), | |
47 | ("lttng-ust-2.7", "lttng-tools-2.10", 1, False), | |
48 | ("lttng-ust-2.8", "lttng-tools-2.7", 2, False), | |
49 | ("lttng-ust-2.8", "lttng-tools-2.8", 2, True), | |
50 | ("lttng-ust-2.8", "lttng-tools-2.9", 2, False), | |
51 | ("lttng-ust-2.8", "lttng-tools-2.10", 2, False), | |
52 | ("lttng-ust-2.9", "lttng-tools-2.7", 2, False), | |
53 | ("lttng-ust-2.9", "lttng-tools-2.8", 2, False), | |
54 | ("lttng-ust-2.9", "lttng-tools-2.9", 2, True), | |
55 | ("lttng-ust-2.9", "lttng-tools-2.10", 2, True), | |
56 | ("lttng-ust-2.10", "lttng-tools-2.7", 2, False), | |
57 | ("lttng-ust-2.10", "lttng-tools-2.8", 2, False), | |
58 | ("lttng-ust-2.10", "lttng-tools-2.9", 2, True), | |
59 | ("lttng-ust-2.10", "lttng-tools-2.10", 2, True), | |
60 | ] | |
61 | ||
62 | test_matrix_agent_interface = [ | |
63 | ("lttng-ust-2.7", "lttng-tools-2.7", 1, "Success"), | |
64 | ("lttng-ust-2.7", "lttng-tools-2.8", 1, "Unsupported protocol"), | |
65 | ("lttng-ust-2.7", "lttng-tools-2.9", 1, "Unsupported protocol"), | |
66 | ("lttng-ust-2.7", "lttng-tools-2.10", 1, "Unsupported protocol"), | |
67 | ("lttng-ust-2.8", "lttng-tools-2.7", 2, "Unsupported protocol"), | |
68 | ("lttng-ust-2.8", "lttng-tools-2.8", 2, "Success"), | |
69 | ("lttng-ust-2.8", "lttng-tools-2.9", 2, "Success"), | |
70 | ("lttng-ust-2.8", "lttng-tools-2.10", 2, "Success"), | |
71 | ("lttng-ust-2.9", "lttng-tools-2.7", 2, "Unsupported protocol"), | |
72 | ("lttng-ust-2.9", "lttng-tools-2.8", 2, "Success"), | |
73 | ("lttng-ust-2.9", "lttng-tools-2.9", 2, "Success"), | |
74 | ("lttng-ust-2.9", "lttng-tools-2.10", 2, "Success"), | |
75 | ("lttng-ust-2.10", "lttng-tools-2.7", 2, "Unsupported protocol"), | |
76 | ("lttng-ust-2.10", "lttng-tools-2.8", 2, "Success"), | |
77 | ("lttng-ust-2.10", "lttng-tools-2.9", 2, "Success"), | |
78 | ("lttng-ust-2.10", "lttng-tools-2.10", 2, "Success"), | |
79 | ] | |
80 | ||
81 | runtime_matrix_tracing_available = [] | |
82 | runtime_matrix_agent_interface = [] | |
83 | ||
84 | if not Settings.test_only: | |
85 | runtime_matrix_tracing_available = test_matrix_tracing_available | |
86 | runtime_matrix_agent_interface = test_matrix_agent_interface | |
87 | else: | |
88 | for tup in test_matrix_tracing_available: | |
89 | if (tup[0] in Settings.test_only or tup[1] in | |
90 | Settings.test_only): | |
91 | runtime_matrix_tracing_available.append(tup) | |
92 | for tup in test_matrix_agent_interface: | |
93 | if (tup[0] in Settings.test_only or tup[1] in | |
94 | Settings.test_only): | |
95 | runtime_matrix_agent_interface.append(tup) | |
96 | ||
97 | ||
98 | @pytest.mark.parametrize("ust_label,tools_label,app_version,should_trace", runtime_matrix_tracing_available) | |
99 | def test_ust_java_agent_tracing_available(tmpdir, ust_label, tools_label, app_version, should_trace): | |
100 | ||
101 | nb_iter = 100 | |
102 | nb_events = 3 * nb_iter | |
103 | ||
104 | # Prepare environment | |
105 | ust = ProjectFactory.get_precook(ust_label) | |
106 | tools = ProjectFactory.get_precook(tools_label) | |
107 | babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace) | |
108 | ||
109 | tools_runtime_path = os.path.join(str(tmpdir), "tools") | |
110 | ust_runtime_path = os.path.join(str(tmpdir), "ust") | |
111 | app_path = os.path.join(str(tmpdir), "app") | |
112 | ||
113 | with Run.get_runtime(ust_runtime_path) as runtime_app, Run.get_runtime(tools_runtime_path) as runtime_tools: | |
114 | runtime_tools.add_project(tools) | |
115 | runtime_tools.add_project(babeltrace) | |
116 | ||
117 | runtime_app.add_project(ust) | |
118 | runtime_app.lttng_home = runtime_tools.lttng_home | |
119 | ||
120 | trace_path = os.path.join(runtime_tools.lttng_home, 'trace') | |
121 | ||
122 | # Make application using the ust runtime | |
123 | shutil.copytree(version_to_app[app_version], app_path) | |
124 | runtime_app.run("javac App.java", cwd=app_path) | |
125 | ||
126 | # Start lttng-sessiond | |
127 | sessiond = utils.sessiond_spawn(runtime_tools) | |
128 | ||
129 | # Create session using mi to get path and session name | |
130 | runtime_tools.run('lttng create trace --output={}'.format(trace_path)) | |
131 | ||
132 | runtime_tools.run('lttng enable-event -j jello') | |
133 | runtime_tools.run('lttng start') | |
134 | ||
135 | # Run application | |
136 | cmd = 'java App {}'.format(nb_iter) | |
137 | runtime_app.run(cmd, cwd=app_path) | |
138 | ||
139 | # Stop tracing | |
87e6d73a | 140 | runtime_tools.run('lttng stop') |
74eb7096 JR |
141 | runtime_tools.run('lttng destroy -a') |
142 | cp = runtime_tools.subprocess_terminate(sessiond) | |
143 | if cp.returncode != 0: | |
144 | pytest.fail("Sessiond return code") | |
145 | ||
146 | # Read trace with babeltrace and check for event count via number of line | |
147 | cmd = 'babeltrace {}'.format(trace_path) | |
148 | if should_trace: | |
149 | cp_process, cp_out, cp_err = runtime_tools.run(cmd) | |
150 | assert(utils.line_count(cp_out) == nb_events) | |
151 | else: | |
152 | with pytest.raises(subprocess.CalledProcessError): | |
153 | cp_process, cp_out, cp_err = runtime_tools.run(cmd) | |
154 | ||
155 | @pytest.mark.parametrize("ust_label,tools_label,app_version,outcome", runtime_matrix_agent_interface) | |
156 | def test_ust_java_agent_interface(tmpdir, ust_label, tools_label, app_version, outcome): | |
157 | """ | |
158 | Use the agent coming from ust_label, but run app under tools_version runtime using ust agent. | |
159 | """ | |
160 | ||
161 | nb_iter = 100 | |
162 | nb_events = 3 * nb_iter | |
163 | ||
164 | # Prepare environment | |
165 | ust = ProjectFactory.get_precook(ust_label) | |
166 | tools = ProjectFactory.get_precook(tools_label) | |
167 | babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace) | |
168 | ||
169 | tools_runtime_path = os.path.join(str(tmpdir), "tools") | |
170 | ust_runtime_path = os.path.join(str(tmpdir), "ust") | |
171 | app_path = os.path.join(str(tmpdir), "app") | |
172 | ||
173 | with Run.get_runtime(ust_runtime_path) as runtime_app, Run.get_runtime(tools_runtime_path) as runtime_tools: | |
174 | runtime_tools.add_project(tools) | |
175 | runtime_tools.add_project(babeltrace) | |
176 | ||
177 | runtime_app.add_project(ust) | |
178 | runtime_app.lttng_home = runtime_tools.lttng_home | |
179 | ||
180 | trace_path = os.path.join(runtime_tools.lttng_home, 'trace') | |
181 | ||
182 | # Make application using the ust runtime | |
183 | shutil.copytree(version_to_app[app_version], app_path) | |
184 | runtime_app.run("javac App.java", cwd=app_path) | |
185 | ||
186 | # Start lttng-sessiond | |
187 | sessiond = utils.sessiond_spawn(runtime_tools) | |
188 | ||
189 | # Create session using mi to get path and session name | |
190 | runtime_tools.run('lttng create trace --output={}'.format(trace_path)) | |
191 | ||
192 | runtime_tools.run('lttng enable-event -j jello') | |
193 | runtime_tools.run('lttng start') | |
194 | ||
195 | # Steal the classpath from ust project | |
196 | ust_classpath = ust.special_env_variables['CLASSPATH'] | |
197 | ||
198 | # Run application with tools runtime | |
199 | cmd = 'java App {}'.format(nb_iter) | |
200 | runtime_tools.run(cmd, cwd=app_path, classpath=ust_classpath) | |
201 | ||
202 | # Stop tracing | |
87e6d73a | 203 | runtime_tools.run('lttng stop') |
74eb7096 JR |
204 | runtime_tools.run('lttng destroy -a') |
205 | cp = runtime_tools.subprocess_terminate(sessiond) | |
206 | if cp.returncode != 0: | |
207 | pytest.fail("Sessiond return code") | |
208 | ||
209 | # Read trace with babeltrace and check for event count via number of line | |
210 | cmd = 'babeltrace {}'.format(trace_path) | |
211 | if outcome == "Success": | |
212 | assert(utils.file_contains(runtime_tools.get_subprocess_stderr_path(sessiond),["New registration for pid"])) | |
213 | cp_process, cp_out, cp_err = runtime_tools.run(cmd) | |
214 | assert(utils.line_count(cp_out) == nb_events) | |
215 | else: | |
216 | if outcome == "Unsupported protocol": | |
217 | assert(not(utils.file_contains(runtime_tools.get_subprocess_stderr_path(sessiond),["New registration for pid"]))) | |
218 | cp_process, cp_out, cp_err = runtime_tools.run(cmd) | |
219 | assert(utils.line_count(cp_out) == 0) |