def test_negpattern(self):
"""--negpattern option
"""
self.config["pattern_list"] = ["ERROR"]
self.config["critical_pattern_list"] = ["FATAL"]
self.config["negpattern_list"] = ["IGNORE"]
log = LogChecker(self.config)
# check --pattern
# Dec 5 12:34:50 hostname test: ERROR IGNORE
line1 = self._make_line(self._get_timestamp(), "test", "ERROR IGNORE")
self._write_logfile(self.logfile, line1)
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
self.assertEqual(log.get_message(), self.MESSAGE_OK)
# check --critical-pattern
# Dec 5 12:34:50 hostname test: FATAL IGNORE
line2 = self._make_line(self._get_timestamp(), "test", "FATAL IGNORE")
self._write_logfile(self.logfile, line2)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_CRITICAL)
self.assertEqual(
log.get_message(),
self.MESSAGE_CRITICAL_ONE.format(line2, self.logfile))
def test_remove_seekfile_with_dry_run(self):
"""--expiration, --remove-seekfile, and --dry-run options
"""
self.config["pattern_list"] = ["ERROR"]
self.config["scantime"] = 2
self.config["expiration"] = 4
log = LogChecker(self.config)
# within expiration
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile1, line1)
log.check(self.logfile_pattern, remove_seekfile=True)
self.seekfile1 = log._create_seek_filename(
self.logfile_pattern, self.logfile1)
time.sleep(2)
# Dec 5 12:34:54 hostname test: ERROR
line2 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile2, line2)
# seek file of logfile1 should not be purged.
log.clear_state()
log.check(self.logfile_pattern, remove_seekfile=True)
self.seekfile2 = log._create_seek_filename(
self.logfile_pattern, self.logfile2)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line2, self.logfile2))
self.assertTrue(os.path.exists(self.seekfile1))
self.assertTrue(os.path.exists(self.seekfile2))
# with dry run
self.config["dry_run"] = True
log = LogChecker(self.config)
# over expiration
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile1, line1)
log.check(self.logfile_pattern, remove_seekfile=True)
time.sleep(6)
# Dec 5 12:34:54 hostname test: ERROR
line2 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile2, line2)
log.clear_state()
log.check(self.logfile_pattern, remove_seekfile=True)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line2, self.logfile2))
self.assertTrue(os.path.exists(self.seekfile1))
self.assertTrue(os.path.exists(self.seekfile2))
def test_remove_seekfile_inode_with_dry_run(self):
"""--trace_inode, --expiration, --remove-seekfile, and --dry-run options
"""
self.config["pattern_list"] = ["ERROR"]
self.config["trace_inode"] = True
self.config["scantime"] = 2
self.config["expiration"] = 3
log = LogChecker(self.config)
# create logfile
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line1)
# log rotation
os.rename(self.logfile, self.logfile1)
# create new logfile
# Dec 5 12:34:50 hostname test: ERROR
line2 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line2)
# do check_log_multi, and create seekfile and seekfile1
log.clear_state()
log.check(self.logfile_pattern, remove_seekfile=True)
seekfile_1 = log._create_seek_filename(self.logfile_pattern,
self.logfile,
trace_inode=True)
seekfile1_1 = log._create_seek_filename(self.logfile_pattern,
self.logfile1,
trace_inode=True)
time.sleep(4)
# update logfile
# Dec 5 12:34:54 hostname test: ERROR
line3 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line3)
# log rotation, purge old logfile2
os.rename(self.logfile1, self.logfile2)
os.rename(self.logfile, self.logfile1)
# with dry run
self.config["dry_run"] = True
log = LogChecker(self.config)
log.clear_state()
log.check(self.logfile_pattern, remove_seekfile=True)
seekfile1_2 = log._create_seek_filename(self.logfile_pattern,
self.logfile1,
trace_inode=True)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(log.get_message(),
self.MESSAGE_WARNING_ONE.format(line3, self.logfile1))
self.assertEqual(seekfile_1, seekfile1_2)
self.assertTrue(os.path.exists(seekfile1_1))
self.assertTrue(os.path.exists(seekfile1_2))
def test_seekfile_tag(self):
"""--seekfile-tag
"""
initial_data = {
"logformat": self.logformat_syslog,
"pattern_list": ["ERROR"],
"critical_pattern_list": [],
"negpattern_list": [],
"critical_negpattern_list": [],
"case_insensitive": False,
"warning": 1,
"critical": 0,
"nodiff_warn": False,
"nodiff_crit": False,
"trace_inode": False,
"multiline": False,
"scantime": 86400,
"expiration": 691200
}
log = LogChecker(initial_data)
# create new logfiles
f = open(self.logfile, 'a')
f.write("Dec 5 12:34:51 hostname noop: NOOP\n")
f.write("Dec 5 12:34:51 hostname test: ERROR\n")
f.write("Dec 5 12:34:52 hostname noop: NOOP\n")
f.flush()
f.close()
f = open(self.logfile1, 'a')
f.write("Dec 5 12:34:56 hostname noop: NOOP\n")
f.write("Dec 5 12:34:56 hostname test: ERROR\n")
f.write("Dec 5 12:34:57 hostname noop: NOOP\n")
f.flush()
f.close()
f = open(self.logfile2, 'a')
f.write("Dec 5 12:34:58 hostname noop: NOOP\n")
f.write("Dec 5 12:34:59 hostname noop: NOOP\n")
f.flush()
f.close()
# create seekfile of logfile
seekfile_1 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile, seekfile_tag=self.tag1)
seekfile_2 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile, seekfile_tag=self.tag1)
seekfile_3 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile, seekfile_tag=self.tag2)
log.check_log(self.logfile, seekfile_3)
log.clear_state()
log.check_log_multi(self.logfile_pattern, self.seekdir, seekfile_tag=self.tag2)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(log.get_message(), 'WARNING: Found 1 lines (limit=1/0): Dec 5 12:34:56 hostname test: ERROR at %s' % self.logfile1)
self.assertEqual(seekfile_1, seekfile_2)
self.assertNotEquals(seekfile_1, seekfile_3)
self.assertTrue(seekfile_1.find(self.tag1))
self.assertTrue(os.path.exists(seekfile_3))
def test_trace_inode(self):
"""--trace_inode
"""
self.config["pattern_list"] = ["ERROR"]
self.config["trace_inode"] = True
log = LogChecker(self.config)
# within expiration
# create logfile
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line1)
# create seekfile of logfile
log.check(self.logfile_pattern)
seekfile_1 = log._create_seek_filename(self.logfile_pattern,
self.logfile,
trace_inode=True)
# update logfile
# Dec 5 12:34:51 hostname test: ERROR
line2 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line2)
# log rotation
os.rename(self.logfile, self.logfile1)
# create a new logfile
# Dec 5 12:34:52 hostname noop: NOOP
line3 = self._make_line(self._get_timestamp(), "noop", "NOOP")
self._write_logfile(self.logfile, line3)
# create seekfile of logfile
log.clear_state()
log.check(self.logfile_pattern)
seekfile_2 = log._create_seek_filename(self.logfile_pattern,
self.logfile,
trace_inode=True)
seekfile1_2 = log._create_seek_filename(self.logfile_pattern,
self.logfile1,
trace_inode=True)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(log.get_message(),
self.MESSAGE_WARNING_ONE.format(line2, self.logfile1))
self.assertEqual(seekfile_1, seekfile1_2)
self.assertTrue(os.path.exists(seekfile_2))
self.assertTrue(os.path.exists(seekfile1_2))
def test_encoding(self):
"""--pattern and --encoding
"""
self.config["pattern_list"] = ["エラー"]
self.config["encoding"] = "EUC-JP"
log = LogChecker(self.config)
# Dec 5 12:34:50 hostname test: エラー
line = self._make_line(self._get_timestamp(), "test", "エラー")
self._write_logfile(self.logfile, line, encoding='EUC-JP')
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
def test_pattern_with_header(self):
"""--pattern and --header options
"""
self.config["pattern_list"] = ["ERROR"]
self.config['output_header'] = True
log = LogChecker(self.config)
# 1 line matched
# Dec 5 12:34:50 hostname test: ERROR
timestamp = self._get_timestamp()
line1 = self._make_line(timestamp, "test", "ERROR")
header1 = self._make_line(timestamp, "test", "")
self._write_logfile(self.logfile, line1)
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE_WITH_HEADER.format(header1, self.logfile))
# 2 lines matched
# Dec 5 12:34:50 hostname test: ERROR1
# Dec 5 12:34:50 hostname test: ERROR2
timestamp = self._get_timestamp()
line2 = self._make_line(timestamp, "test", "ERROR1")
line3 = self._make_line(timestamp, "test", "ERROR2")
header2 = self._make_line(timestamp, "test", "")
header3 = self._make_line(timestamp, "test", "")
self._write_logfile(self.logfile, [line2, line3])
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_TWO_WITH_HEADER.format(
header2, header3, self.logfile))
# no line matched
# Dec 5 12:34:50 hostname noop: NOOP
line4 = self._make_line(self._get_timestamp(), "noop", "NOOP")
self._write_logfile(self.logfile, line4)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
self.assertEqual(log.get_message(), self.MESSAGE_OK)
def test_remove_seekfile_within_expiration(self):
"""--expiration and --remove-seekfile options
"""
initial_data = {
"logformat": self.logformat_syslog,
"pattern_list": ["ERROR"],
"critical_pattern_list": [],
"negpattern_list": [],
"critical_negpattern_list": [],
"case_insensitive": False,
"warning": 1,
"critical": 0,
"nodiff_warn": False,
"nodiff_crit": False,
"trace_inode": False,
"multiline": False,
"scantime": 2,
"expiration": 10
}
log = LogChecker(initial_data)
f = open(self.logfile1, 'a')
f.write("Dec 5 12:34:56 hostname noop: NOOP\n")
f.write("Dec 5 12:34:56 hostname test: ERROR\n")
f.write("Dec 5 12:34:57 hostname noop: NOOP\n")
f.flush()
f.close()
log.check_log_multi(self.logfile_pattern, self.seekdir, remove_seekfile=True)
log.clear_state()
time.sleep(4)
f = open(self.logfile2, 'a')
f.write("Dec 5 12:34:58 hostname noop: NOOP\n")
f.write("Dec 5 12:34:59 hostname test: ERROR\n")
f.write("Dec 5 12:34:59 hostname noop: NOOP\n")
f.flush()
f.close()
# seek file of logfile1 should be purged.
log.check_log_multi(self.logfile_pattern, self.seekdir, remove_seekfile=True)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(log.get_message(), 'WARNING: Found 1 lines (limit=1/0): Dec 5 12:34:59 hostname test: ERROR at %s' % self.logfile2)
self.assertTrue(os.path.exists(self.seekfile1))
self.assertTrue(os.path.exists(self.seekfile2))
def test_cachetime(self):
"""--cachetime
"""
self.config["pattern_list"] = ["ERROR"]
self.config["cachetime"] = 2
log = LogChecker(self.config)
cachefile = log._create_cache_filename(self.logfile)
# within cachetime
# Dec 5 12:34:50 hostname test: ERROR
line = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line)
# check
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
# check again
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
log._remove_cache(cachefile)
# over cachetime
# Dec 5 12:34:50 hostname test: ERROR
line = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
# check again
time.sleep(self.config["cachetime"] + 1)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
log._remove_cache(cachefile)
def test_logfile(self):
"""--logfile option
"""
self.config["pattern_list"] = ["ERROR"]
log = LogChecker(self.config)
# check -logfile option with wild card '*'
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile1, line1)
time.sleep(1)
# Dec 5 12:34:51 hostname test: ERROR
line2 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile2, line2)
log.clear_state()
log.check(self.logfile_pattern)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_TWO_IN_TWO_FILES.format(
line1, self.logfile1, line2, self.logfile2))
# --logfile option with multiple filenames
# Dec 5 12:34:51 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile1, line1)
time.sleep(1)
# Dec 5 12:34:52 hostname test: ERROR
line2 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile2, line2)
logfile_pattern = "{0} {1}".format(self.logfile1, self.logfile2)
log.clear_state()
log.check(logfile_pattern)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_TWO_IN_TWO_FILES.format(
line1, self.logfile1, line2, self.logfile2))
def test_multiline(self):
"""--multiline
"""
self.config["pattern_list"] = ["ERROR1.*ERROR2"]
self.config["negpattern_list"] = ["IGNORE"]
self.config["multiline"] = True
log = LogChecker(self.config)
# check --pattern, --multiline
# Dec 5 12:34:50 hostname test: ERROR1
# Dec 5 12:34:50 hostname test: ERROR2
timestamp = self._get_timestamp()
lines = []
messages = ["ERROR1", "ERROR2"]
for message in messages:
lines.append(self._make_line(timestamp, "test", message))
self._write_logfile(self.logfile, lines)
log.clear_state()
log.check(self.logfile)
# detected line: Dec 5 12:34:50 hostname test: ERROR1 ERROR2
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(
lines[0] + " " + messages[1], self.logfile))
# check --pattern, --negpattern and --multiline
# Dec 5 12:34:50 hostname test: ERROR
# Dec 5 12:34:50 hostname test: ERROR IGNORE
timestamp = self._get_timestamp()
lines = []
messages = ["ERROR", "ERROR IGNORE"]
for message in messages:
lines.append(self._make_line(timestamp, "test", message))
self._write_logfile(self.logfile, lines)
log.clear_state()
log.check(self.logfile)
# detected line: Dec 5 12:34:50 hostname test: ERROR ERROR IGNORE
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
self.assertEqual(log.get_message(), self.MESSAGE_OK)
def test_tag(self):
"""--tag
"""
self.config["pattern_list"] = ["ERROR"]
log = LogChecker(self.config)
# create new logfiles
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line1)
# Dec 5 12:34:50 hostname test: ERROR
line2 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile1, line2)
# Dec 5 12:34:50 hostname test: ERROR
line3 = self._make_line(self._get_timestamp(), "noop", "NOOP")
self._write_logfile(self.logfile2, line3)
# create seekfile of logfile
seekfile_1 = log._create_seek_filename(self.logfile_pattern,
self.logfile,
tag=self.tag1)
seekfile_2 = log._create_seek_filename(self.logfile_pattern,
self.logfile,
tag=self.tag1)
seekfile_3 = log._create_seek_filename(self.logfile_pattern,
self.logfile,
tag=self.tag2)
log.check(self.logfile, seekfile=seekfile_3)
log.clear_state()
log.check(self.logfile_pattern, tag=self.tag2)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(log.get_message(),
self.MESSAGE_WARNING_ONE.format(line2, self.logfile1))
self.assertEqual(seekfile_1, seekfile_2)
self.assertNotEqual(seekfile_1, seekfile_3)
self.assertTrue(seekfile_1.find(self.tag1))
self.assertTrue(os.path.exists(seekfile_3))
def test_seekfile(self):
"""--seekfile option
"""
self.config["pattern_list"] = ["ERROR"]
log = LogChecker(self.config)
# 1 line matched
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line1)
log.check(self.logfile, seekfile=self.seekfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line1, self.logfile))
# 2 lines matched
# Dec 5 12:34:50 hostname test: ERROR1
# Dec 5 12:34:50 hostname test: ERROR2
line2 = self._make_line(self._get_timestamp(), "test", "ERROR1")
line3 = self._make_line(self._get_timestamp(), "test", "ERROR2")
self._write_logfile(self.logfile, [line2, line3])
log.clear_state()
log.check(self.logfile, seekfile=self.seekfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_TWO.format(line2, line3, self.logfile))
# no line matched
# Dec 5 12:34:50 hostname noop: NOOP
line4 = self._make_line(self._get_timestamp(), "noop", "NOOP")
self._write_logfile(self.logfile, line4)
log.clear_state()
log.check(self.logfile, seekfile=self.seekfile)
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
self.assertEqual(log.get_message(), self.MESSAGE_OK)
def test_cachetime_with_dry_run(self):
"""--cachetime and --dry-run
"""
self.config["pattern_list"] = ["ERROR"]
self.config["cachetime"] = 60
log = LogChecker(self.config)
cachefile = log._create_cache_filename(self.logfile)
# create a cache file
# Dec 5 12:34:50 hostname test: ERROR
line = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
# verify it does not read a cache file.
self.config["dry_run"] = True
log = LogChecker(self.config)
# Dec 5 12:34:50 hostname test: NOOP
line = self._make_line(self._get_timestamp(), "test", "NOOP")
self._write_logfile(self.logfile, line)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
# verify a cache file is not updated.
self.config["dry_run"] = False
log = LogChecker(self.config)
# Dec 5 12:34:50 hostname test: ERROR
line = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
log._remove_cache(cachefile)
def test_scantime(self):
"""--scantime option
"""
self.config["pattern_list"] = ["ERROR"]
self.config["scantime"] = 2
log = LogChecker(self.config)
# within scantime.
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile1, line1)
log.clear_state()
log.check(self.logfile_pattern)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line1, self.logfile1))
# over scantime
# Dec 5 12:34:50 hostname test: ERROR
line2 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile1, line2)
time.sleep(4)
log.clear_state()
log.check(self.logfile_pattern)
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
self.assertEqual(log.get_message(), self.MESSAGE_OK)
# multiple logfiles.
# Dec 5 12:34:50 hostname test: ERROR
line3 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile1, line3)
time.sleep(4)
# Dec 5 12:34:54 hostname test: ERROR
line4 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile2, line4)
# logfile1 should be older than spantime. Therefore, don't scan it.
log.clear_state()
log.check(self.logfile_pattern)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line4, self.logfile2))
def test_case_insensitive(self):
"""--case-insensitive option
"""
self.config["pattern_list"] = ["error"]
self.config["critical_pattern_list"] = ["fatal"]
self.config["negpattern_list"] = ["ignore"]
self.config["case_insensitive"] = True
log = LogChecker(self.config)
# check --pattern
# Dec 5 12:34:50 hostname test: ERROR
line1 = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line1)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line1, self.logfile))
# check --critical-pattern
# Dec 5 12:34:50 hostname test: FATAL
line2 = self._make_line(self._get_timestamp(), "test", "FATAL")
self._write_logfile(self.logfile, line2)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_CRITICAL)
self.assertEqual(
log.get_message(),
self.MESSAGE_CRITICAL_ONE.format(line2, self.logfile))
# check --pattern and --negpattern
# Dec 5 12:34:50 hostname test: ERROR ERROR IGNORE
line3 = self._make_line(self._get_timestamp(), "test", "ERROR IGNORE")
self._write_logfile(self.logfile, line3)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
self.assertEqual(log.get_message(), self.MESSAGE_OK)
def test_dry_run(self):
"""--dry-run option
"""
self.config["pattern_list"] = ["ERROR"]
log = LogChecker(self.config)
# create a seek file
# Dec 5 12:34:50 hostname noop: NOOP
line4 = self._make_line(self._get_timestamp(), "noop", "NOOP")
self._write_logfile(self.logfile, line4)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_OK)
self.assertEqual(log.get_message(), self.MESSAGE_OK)
# verify a seek file is not updated.
self.config["dry_run"] = True
log = LogChecker(self.config)
# Dec 5 12:34:50 hostname test: ERROR
line = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line)
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
log.clear_state()
log.check(self.logfile)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
def test_trace_inode_without_expiration(self):
"""--trace_inode, --expiration and --remove-seekfile options
"""
initial_data = {
"logformat": self.logformat_syslog,
"pattern_list": ["ERROR"],
"critical_pattern_list": [],
"negpattern_list": [],
"critical_negpattern_list": [],
"case_insensitive": False,
"warning": 1,
"critical": 0,
"nodiff_warn": False,
"nodiff_crit": False,
"trace_inode": True,
"multiline": False,
"scantime": 2,
"expiration": 3
}
log = LogChecker(initial_data)
# create logfile
f = open(self.logfile, 'a')
f.write("Dec 5 12:34:50 hostname noop: NOOP\n")
f.write("Dec 5 12:34:51 hostname test: ERROR\n")
f.write("Dec 5 12:34:52 hostname noop: NOOP\n")
f.flush()
f.close()
# log rotation
os.rename(self.logfile, self.logfile1)
# create new logfile
f = open(self.logfile, 'a')
f.write("Dec 5 12:34:53 hostname noop: NOOP\n")
f.write("Dec 5 12:34:53 hostname test: ERROR\n")
f.write("Dec 5 12:34:54 hostname noop: NOOP\n")
f.flush()
f.close()
# do check_log_multi, and create seekfile and seekfile1
log.check_log_multi(self.logfile_pattern, self.seekdir, remove_seekfile=True)
log.clear_state()
seekfile_1 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile, trace_inode=True)
seekfile1_1 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile1, trace_inode=True)
time.sleep(4)
# update logfile
f = open(self.logfile, 'a')
f.write("Dec 5 12:34:58 hostname noop: NOOP\n")
f.write("Dec 5 12:34:59 hostname test: ERROR\n")
f.write("Dec 5 12:34:59 hostname noop: NOOP\n")
f.flush()
f.close()
# log rotation, purge old logfile2
os.rename(self.logfile1, self.logfile2)
os.rename(self.logfile, self.logfile1)
# seek file of old logfile1 should be purged.
log.check_log_multi(self.logfile_pattern, self.seekdir, remove_seekfile=True)
seekfile1_2 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile1, trace_inode=True)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(log.get_message(), 'WARNING: Found 1 lines (limit=1/0): Dec 5 12:34:59 hostname test: ERROR at %s' % self.logfile1)
self.assertEqual(seekfile_1, seekfile1_2)
self.assertFalse(os.path.exists(seekfile1_1))
self.assertTrue(os.path.exists(seekfile1_2))
def test_trace_inode(self):
"""--trace_inode
"""
initial_data = {
"logformat": self.logformat_syslog,
"pattern_list": ["ERROR"],
"critical_pattern_list": [],
"negpattern_list": [],
"critical_negpattern_list": [],
"case_insensitive": False,
"warning": 1,
"critical": 0,
"nodiff_warn": False,
"nodiff_crit": False,
"trace_inode": True,
"multiline": False,
"scantime": 86400,
"expiration": 691200
}
log = LogChecker(initial_data)
# create logfile
f = open(self.logfile, 'a')
f.write("Dec 5 12:34:51 hostname noop: NOOP\n")
f.write("Dec 5 12:34:51 hostname test: ERROR\n")
f.write("Dec 5 12:34:52 hostname noop: NOOP\n")
f.flush()
f.close()
# create seekfile of logfile
log.check_log_multi(self.logfile_pattern, self.seekdir, remove_seekfile=False)
log.clear_state()
seekfile_1 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile, trace_inode=True)
# update logfile
f = open(self.logfile, 'a')
f.write("Dec 5 12:34:55 hostname noop: NOOP\n")
f.write("Dec 5 12:34:55 hostname test: ERROR\n")
f.write("Dec 5 12:34:56 hostname noop: NOOP\n")
f.flush()
f.close()
# log rotation
os.rename(self.logfile, self.logfile1)
# create a new logfile
f = open(self.logfile, 'a')
f.write("Dec 5 12:34:59 hostname noop: NOOP\n")
f.flush()
f.close()
# create seekfile of logfile
log.check_log_multi(self.logfile_pattern, self.seekdir, remove_seekfile=False)
seekfile_2 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile, trace_inode=True)
seekfile1_2 = LogChecker.get_seekfile(self.logfile_pattern, self.seekdir, self.logfile1, trace_inode=True)
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(log.get_message(), 'WARNING: Found 1 lines (limit=1/0): Dec 5 12:34:55 hostname test: ERROR at %s' % self.logfile1)
self.assertEqual(seekfile_1, seekfile1_2)
self.assertTrue(os.path.exists(seekfile_2))
self.assertTrue(os.path.exists(seekfile1_2))
def test_lock_timeout(self):
"""--lock-timeout
"""
self.config["pattern_list"] = ["ERROR"]
self.config["lock_timeout"] = 6
log = LogChecker(self.config)
lockfile = log._create_lock_filename(self.logfile)
# within lock_timeout
# |time|sub |main |
# |----|-----------|-----------|
# | 0|fork |sleep |
# | 1|lock OK |sleep |
# | 1| |check |
# | 1| |lock fail |
# | *| |sleep |
# | 5|unlock OK |sleep |
# | 5| |lock OK |
# | 5| |unlock OK |
# Dec 5 12:34:50 hostname test: ERROR
line = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line)
# locked by an another process
locked_time = 4
wait_interval = 0.1
proc = self._run_locked_subprocess(lockfile, locked_time)
for _ in range(100):
if os.path.isfile(lockfile):
break
time.sleep(wait_interval)
# check
log.clear_state()
start_time = time.time()
log.check(self.logfile)
elapsed_time = time.time() - start_time
proc.wait()
self.assertEqual(log.get_state(), LogChecker.STATE_WARNING)
self.assertEqual(
log.get_message(),
self.MESSAGE_WARNING_ONE.format(line, self.logfile))
self.assertTrue(elapsed_time < self.config["lock_timeout"])
self.assertTrue(elapsed_time > locked_time - wait_interval)
# over lock_timeout
# |time|sub |main |
# |----|-----------|-----------|
# | 0|fork |sleep |
# | 1|lock OK |sleep |
# | 1| |check |
# | 1| |lock fail |
# | *| |sleep |
# | 7| |timeout |
# | 9|unlock OK | |
# Dec 5 12:34:50 hostname test: ERROR
line = self._make_line(self._get_timestamp(), "test", "ERROR")
self._write_logfile(self.logfile, line)
# locked by an another process
locked_time = 8
wait_interval = 0.1
proc = self._run_locked_subprocess(lockfile, locked_time)
for _ in range(100):
if os.path.isfile(lockfile):
break
time.sleep(wait_interval)
# check
log.clear_state()
start_time = time.time()
log.check(self.logfile)
elapsed_time = time.time() - start_time
proc.wait()
self.assertEqual(log.get_state(), LogChecker.STATE_UNKNOWN)
self.assertEqual(log.get_message(), self.MESSAGE_UNKNOWN_LOCK_TIMEOUT)
self.assertTrue(elapsed_time > self.config["lock_timeout"])
self.assertTrue(elapsed_time < locked_time)