diff options
Diffstat (limited to 'tests/unittests/analyze')
-rw-r--r-- | tests/unittests/analyze/test_boot.py | 174 | ||||
-rw-r--r-- | tests/unittests/analyze/test_dump.py | 247 |
2 files changed, 421 insertions, 0 deletions
diff --git a/tests/unittests/analyze/test_boot.py b/tests/unittests/analyze/test_boot.py new file mode 100644 index 00000000..68db69ec --- /dev/null +++ b/tests/unittests/analyze/test_boot.py @@ -0,0 +1,174 @@ +import os + +from cloudinit.analyze.__main__ import analyze_boot, get_parser +from cloudinit.analyze.show import ( + CONTAINER_CODE, + FAIL_CODE, + SystemctlReader, + dist_check_timestamp, +) +from tests.unittests.helpers import CiTestCase, mock + +err_code = (FAIL_CODE, -1, -1, -1) + + +class TestDistroChecker(CiTestCase): + def test_blank_distro(self): + self.assertEqual(err_code, dist_check_timestamp()) + + @mock.patch("cloudinit.util.is_FreeBSD", return_value=True) + def test_freebsd_gentoo_cant_find(self, m_is_FreeBSD): + self.assertEqual(err_code, dist_check_timestamp()) + + @mock.patch("cloudinit.subp.subp", return_value=(0, 1)) + def test_subp_fails(self, m_subp): + self.assertEqual(err_code, dist_check_timestamp()) + + +class TestSystemCtlReader(CiTestCase): + def test_systemctl_invalid_property(self): + reader = SystemctlReader("dummyProperty") + with self.assertRaises(RuntimeError): + reader.parse_epoch_as_float() + + def test_systemctl_invalid_parameter(self): + reader = SystemctlReader("dummyProperty", "dummyParameter") + with self.assertRaises(RuntimeError): + reader.parse_epoch_as_float() + + @mock.patch("cloudinit.subp.subp", return_value=("U=1000000", None)) + def test_systemctl_works_correctly_threshold(self, m_subp): + reader = SystemctlReader("dummyProperty", "dummyParameter") + self.assertEqual(1.0, reader.parse_epoch_as_float()) + thresh = 1.0 - reader.parse_epoch_as_float() + self.assertTrue(thresh < 1e-6) + self.assertTrue(thresh > (-1 * 1e-6)) + + @mock.patch("cloudinit.subp.subp", return_value=("U=0", None)) + def test_systemctl_succeed_zero(self, m_subp): + reader = SystemctlReader("dummyProperty", "dummyParameter") + self.assertEqual(0.0, reader.parse_epoch_as_float()) + + @mock.patch("cloudinit.subp.subp", return_value=("U=1", None)) + def test_systemctl_succeed_distinct(self, m_subp): + reader = SystemctlReader("dummyProperty", "dummyParameter") + val1 = reader.parse_epoch_as_float() + m_subp.return_value = ("U=2", None) + reader2 = SystemctlReader("dummyProperty", "dummyParameter") + val2 = reader2.parse_epoch_as_float() + self.assertNotEqual(val1, val2) + + @mock.patch("cloudinit.subp.subp", return_value=("100", None)) + def test_systemctl_epoch_not_splittable(self, m_subp): + reader = SystemctlReader("dummyProperty", "dummyParameter") + with self.assertRaises(IndexError): + reader.parse_epoch_as_float() + + @mock.patch("cloudinit.subp.subp", return_value=("U=foobar", None)) + def test_systemctl_cannot_convert_epoch_to_float(self, m_subp): + reader = SystemctlReader("dummyProperty", "dummyParameter") + with self.assertRaises(ValueError): + reader.parse_epoch_as_float() + + +class TestAnalyzeBoot(CiTestCase): + def set_up_dummy_file_ci(self, path, log_path): + infh = open(path, "w+") + infh.write( + "2019-07-08 17:40:49,601 - util.py[DEBUG]: Cloud-init v. " + "19.1-1-gbaa47854-0ubuntu1~18.04.1 running 'init-local' " + "at Mon, 08 Jul 2019 17:40:49 +0000. Up 18.84 seconds." + ) + infh.close() + outfh = open(log_path, "w+") + outfh.close() + + def set_up_dummy_file(self, path, log_path): + infh = open(path, "w+") + infh.write("dummy data") + infh.close() + outfh = open(log_path, "w+") + outfh.close() + + def remove_dummy_file(self, path, log_path): + if os.path.isfile(path): + os.remove(path) + if os.path.isfile(log_path): + os.remove(log_path) + + @mock.patch( + "cloudinit.analyze.show.dist_check_timestamp", return_value=err_code + ) + def test_boot_invalid_distro(self, m_dist_check_timestamp): + + path = os.path.dirname(os.path.abspath(__file__)) + log_path = path + "/boot-test.log" + path += "/dummy.log" + self.set_up_dummy_file(path, log_path) + + parser = get_parser() + args = parser.parse_args(args=["boot", "-i", path, "-o", log_path]) + name_default = "" + analyze_boot(name_default, args) + # now args have been tested, go into outfile and make sure error + # message is in the outfile + outfh = open(args.outfile, "r") + data = outfh.read() + err_string = ( + "Your Linux distro or container does not support this " + "functionality.\nYou must be running a Kernel " + "Telemetry supported distro.\nPlease check " + "https://cloudinit.readthedocs.io/en/latest/topics" + "/analyze.html for more information on supported " + "distros.\n" + ) + + self.remove_dummy_file(path, log_path) + self.assertEqual(err_string, data) + + @mock.patch("cloudinit.util.is_container", return_value=True) + @mock.patch("cloudinit.subp.subp", return_value=("U=1000000", None)) + def test_container_no_ci_log_line(self, m_is_container, m_subp): + path = os.path.dirname(os.path.abspath(__file__)) + log_path = path + "/boot-test.log" + path += "/dummy.log" + self.set_up_dummy_file(path, log_path) + + parser = get_parser() + args = parser.parse_args(args=["boot", "-i", path, "-o", log_path]) + name_default = "" + + finish_code = analyze_boot(name_default, args) + + self.remove_dummy_file(path, log_path) + self.assertEqual(FAIL_CODE, finish_code) + + @mock.patch("cloudinit.util.is_container", return_value=True) + @mock.patch("cloudinit.subp.subp", return_value=("U=1000000", None)) + @mock.patch( + "cloudinit.analyze.__main__._get_events", + return_value=[ + { + "name": "init-local", + "description": "starting search", + "timestamp": 100000, + } + ], + ) + @mock.patch( + "cloudinit.analyze.show.dist_check_timestamp", + return_value=(CONTAINER_CODE, 1, 1, 1), + ) + def test_container_ci_log_line(self, m_is_container, m_subp, m_get, m_g): + path = os.path.dirname(os.path.abspath(__file__)) + log_path = path + "/boot-test.log" + path += "/dummy.log" + self.set_up_dummy_file_ci(path, log_path) + + parser = get_parser() + args = parser.parse_args(args=["boot", "-i", path, "-o", log_path]) + name_default = "" + finish_code = analyze_boot(name_default, args) + + self.remove_dummy_file(path, log_path) + self.assertEqual(CONTAINER_CODE, finish_code) diff --git a/tests/unittests/analyze/test_dump.py b/tests/unittests/analyze/test_dump.py new file mode 100644 index 00000000..56bbf97f --- /dev/null +++ b/tests/unittests/analyze/test_dump.py @@ -0,0 +1,247 @@ +# This file is part of cloud-init. See LICENSE file for license information. + +from datetime import datetime +from textwrap import dedent + +from cloudinit.analyze.dump import ( + dump_events, + parse_ci_logline, + parse_timestamp, +) +from cloudinit.subp import which +from cloudinit.util import write_file +from tests.unittests.helpers import CiTestCase, mock, skipIf + + +class TestParseTimestamp(CiTestCase): + def test_parse_timestamp_handles_cloud_init_default_format(self): + """Logs with cloud-init detailed formats will be properly parsed.""" + trusty_fmt = "%Y-%m-%d %H:%M:%S,%f" + trusty_stamp = "2016-09-12 14:39:20,839" + dt = datetime.strptime(trusty_stamp, trusty_fmt) + self.assertEqual( + float(dt.strftime("%s.%f")), parse_timestamp(trusty_stamp) + ) + + def test_parse_timestamp_handles_syslog_adding_year(self): + """Syslog timestamps lack a year. Add year and properly parse.""" + syslog_fmt = "%b %d %H:%M:%S %Y" + syslog_stamp = "Aug 08 15:12:51" + + # convert stamp ourselves by adding the missing year value + year = datetime.now().year + dt = datetime.strptime(syslog_stamp + " " + str(year), syslog_fmt) + self.assertEqual( + float(dt.strftime("%s.%f")), parse_timestamp(syslog_stamp) + ) + + def test_parse_timestamp_handles_journalctl_format_adding_year(self): + """Journalctl precise timestamps lack a year. Add year and parse.""" + journal_fmt = "%b %d %H:%M:%S.%f %Y" + journal_stamp = "Aug 08 17:15:50.606811" + + # convert stamp ourselves by adding the missing year value + year = datetime.now().year + dt = datetime.strptime(journal_stamp + " " + str(year), journal_fmt) + self.assertEqual( + float(dt.strftime("%s.%f")), parse_timestamp(journal_stamp) + ) + + @skipIf(not which("date"), "'date' command not available.") + def test_parse_unexpected_timestamp_format_with_date_command(self): + """Dump sends unexpected timestamp formats to date for processing.""" + new_fmt = "%H:%M %m/%d %Y" + new_stamp = "17:15 08/08" + # convert stamp ourselves by adding the missing year value + year = datetime.now().year + dt = datetime.strptime(new_stamp + " " + str(year), new_fmt) + + # use date(1) + with self.allow_subp(["date"]): + self.assertEqual( + float(dt.strftime("%s.%f")), parse_timestamp(new_stamp) + ) + + +class TestParseCILogLine(CiTestCase): + def test_parse_logline_returns_none_without_separators(self): + """When no separators are found, parse_ci_logline returns None.""" + expected_parse_ignores = [ + "", + "-", + "adsf-asdf", + "2017-05-22 18:02:01,088", + "CLOUDINIT", + ] + for parse_ignores in expected_parse_ignores: + self.assertIsNone(parse_ci_logline(parse_ignores)) + + def test_parse_logline_returns_event_for_cloud_init_logs(self): + """parse_ci_logline returns an event parse from cloud-init format.""" + line = ( + "2017-08-08 20:05:07,147 - util.py[DEBUG]: Cloud-init v. 0.7.9" + " running 'init-local' at Tue, 08 Aug 2017 20:05:07 +0000. Up" + " 6.26 seconds." + ) + dt = datetime.strptime( + "2017-08-08 20:05:07,147", "%Y-%m-%d %H:%M:%S,%f" + ) + timestamp = float(dt.strftime("%s.%f")) + expected = { + "description": "starting search for local datasources", + "event_type": "start", + "name": "init-local", + "origin": "cloudinit", + "timestamp": timestamp, + } + self.assertEqual(expected, parse_ci_logline(line)) + + def test_parse_logline_returns_event_for_journalctl_logs(self): + """parse_ci_logline returns an event parse from journalctl format.""" + line = ( + "Nov 03 06:51:06.074410 x2 cloud-init[106]: [CLOUDINIT]" + " util.py[DEBUG]: Cloud-init v. 0.7.8 running 'init-local' at" + " Thu, 03 Nov 2016 06:51:06 +0000. Up 1.0 seconds." + ) + year = datetime.now().year + dt = datetime.strptime( + "Nov 03 06:51:06.074410 %d" % year, "%b %d %H:%M:%S.%f %Y" + ) + timestamp = float(dt.strftime("%s.%f")) + expected = { + "description": "starting search for local datasources", + "event_type": "start", + "name": "init-local", + "origin": "cloudinit", + "timestamp": timestamp, + } + self.assertEqual(expected, parse_ci_logline(line)) + + @mock.patch("cloudinit.analyze.dump.parse_timestamp_from_date") + def test_parse_logline_returns_event_for_finish_events( + self, m_parse_from_date + ): + """parse_ci_logline returns a finish event for a parsed log line.""" + line = ( + "2016-08-30 21:53:25.972325+00:00 y1 [CLOUDINIT]" + " handlers.py[DEBUG]: finish: modules-final: SUCCESS: running" + " modules for final" + ) + expected = { + "description": "running modules for final", + "event_type": "finish", + "name": "modules-final", + "origin": "cloudinit", + "result": "SUCCESS", + "timestamp": 1472594005.972, + } + m_parse_from_date.return_value = "1472594005.972" + self.assertEqual(expected, parse_ci_logline(line)) + m_parse_from_date.assert_has_calls( + [mock.call("2016-08-30 21:53:25.972325+00:00")] + ) + + def test_parse_logline_returns_event_for_amazon_linux_2_line(self): + line = ( + "Apr 30 19:39:11 cloud-init[2673]: handlers.py[DEBUG]: start:" + " init-local/check-cache: attempting to read from cache [check]" + ) + # Generate the expected value using `datetime`, so that TZ + # determination is consistent with the code under test. + timestamp_dt = datetime.strptime( + "Apr 30 19:39:11", "%b %d %H:%M:%S" + ).replace(year=datetime.now().year) + expected = { + "description": "attempting to read from cache [check]", + "event_type": "start", + "name": "init-local/check-cache", + "origin": "cloudinit", + "timestamp": timestamp_dt.timestamp(), + } + self.assertEqual(expected, parse_ci_logline(line)) + + +SAMPLE_LOGS = dedent( + """\ +Nov 03 06:51:06.074410 x2 cloud-init[106]: [CLOUDINIT] util.py[DEBUG]:\ + Cloud-init v. 0.7.8 running 'init-local' at Thu, 03 Nov 2016\ + 06:51:06 +0000. Up 1.0 seconds. +2016-08-30 21:53:25.972325+00:00 y1 [CLOUDINIT] handlers.py[DEBUG]: finish:\ + modules-final: SUCCESS: running modules for final +""" +) + + +class TestDumpEvents(CiTestCase): + maxDiff = None + + @mock.patch("cloudinit.analyze.dump.parse_timestamp_from_date") + def test_dump_events_with_rawdata(self, m_parse_from_date): + """Rawdata is split and parsed into a tuple of events and data""" + m_parse_from_date.return_value = "1472594005.972" + events, data = dump_events(rawdata=SAMPLE_LOGS) + expected_data = SAMPLE_LOGS.splitlines() + self.assertEqual( + [mock.call("2016-08-30 21:53:25.972325+00:00")], + m_parse_from_date.call_args_list, + ) + self.assertEqual(expected_data, data) + year = datetime.now().year + dt1 = datetime.strptime( + "Nov 03 06:51:06.074410 %d" % year, "%b %d %H:%M:%S.%f %Y" + ) + timestamp1 = float(dt1.strftime("%s.%f")) + expected_events = [ + { + "description": "starting search for local datasources", + "event_type": "start", + "name": "init-local", + "origin": "cloudinit", + "timestamp": timestamp1, + }, + { + "description": "running modules for final", + "event_type": "finish", + "name": "modules-final", + "origin": "cloudinit", + "result": "SUCCESS", + "timestamp": 1472594005.972, + }, + ] + self.assertEqual(expected_events, events) + + @mock.patch("cloudinit.analyze.dump.parse_timestamp_from_date") + def test_dump_events_with_cisource(self, m_parse_from_date): + """Cisource file is read and parsed into a tuple of events and data.""" + tmpfile = self.tmp_path("logfile") + write_file(tmpfile, SAMPLE_LOGS) + m_parse_from_date.return_value = 1472594005.972 + + events, data = dump_events(cisource=open(tmpfile)) + year = datetime.now().year + dt1 = datetime.strptime( + "Nov 03 06:51:06.074410 %d" % year, "%b %d %H:%M:%S.%f %Y" + ) + timestamp1 = float(dt1.strftime("%s.%f")) + expected_events = [ + { + "description": "starting search for local datasources", + "event_type": "start", + "name": "init-local", + "origin": "cloudinit", + "timestamp": timestamp1, + }, + { + "description": "running modules for final", + "event_type": "finish", + "name": "modules-final", + "origin": "cloudinit", + "result": "SUCCESS", + "timestamp": 1472594005.972, + }, + ] + self.assertEqual(expected_events, events) + self.assertEqual(SAMPLE_LOGS.splitlines(), [d.strip() for d in data]) + m_parse_from_date.assert_has_calls( + [mock.call("2016-08-30 21:53:25.972325+00:00")] + ) |