diff options
Diffstat (limited to 'cloudinit/cmd/devel/tests/test_logs.py')
-rw-r--r-- | cloudinit/cmd/devel/tests/test_logs.py | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/cloudinit/cmd/devel/tests/test_logs.py b/cloudinit/cmd/devel/tests/test_logs.py new file mode 100644 index 00000000..dc4947cc --- /dev/null +++ b/cloudinit/cmd/devel/tests/test_logs.py @@ -0,0 +1,120 @@ +# This file is part of cloud-init. See LICENSE file for license information. + +from cloudinit.cmd.devel import logs +from cloudinit.util import ensure_dir, load_file, subp, write_file +from cloudinit.tests.helpers import FilesystemMockingTestCase, wrap_and_call +from datetime import datetime +import os + + +class TestCollectLogs(FilesystemMockingTestCase): + + def setUp(self): + super(TestCollectLogs, self).setUp() + self.new_root = self.tmp_dir() + self.run_dir = self.tmp_path('run', self.new_root) + + def test_collect_logs_creates_tarfile(self): + """collect-logs creates a tarfile with all related cloud-init info.""" + log1 = self.tmp_path('cloud-init.log', self.new_root) + write_file(log1, 'cloud-init-log') + log2 = self.tmp_path('cloud-init-output.log', self.new_root) + write_file(log2, 'cloud-init-output-log') + ensure_dir(self.run_dir) + write_file(self.tmp_path('results.json', self.run_dir), 'results') + output_tarfile = self.tmp_path('logs.tgz') + + date = datetime.utcnow().date().strftime('%Y-%m-%d') + date_logdir = 'cloud-init-logs-{0}'.format(date) + + expected_subp = { + ('dpkg-query', '--show', "-f=${Version}\n", 'cloud-init'): + '0.7fake\n', + ('dmesg',): 'dmesg-out\n', + ('journalctl', '-o', 'short-precise'): 'journal-out\n', + ('tar', 'czvf', output_tarfile, date_logdir): '' + } + + def fake_subp(cmd): + cmd_tuple = tuple(cmd) + if cmd_tuple not in expected_subp: + raise AssertionError( + 'Unexpected command provided to subp: {0}'.format(cmd)) + if cmd == ['tar', 'czvf', output_tarfile, date_logdir]: + subp(cmd) # Pass through tar cmd so we can check output + return expected_subp[cmd_tuple], '' + + wrap_and_call( + 'cloudinit.cmd.devel.logs', + {'subp': {'side_effect': fake_subp}, + 'CLOUDINIT_LOGS': {'new': [log1, log2]}, + 'CLOUDINIT_RUN_DIR': {'new': self.run_dir}}, + logs.collect_logs, output_tarfile, include_userdata=False) + # unpack the tarfile and check file contents + subp(['tar', 'zxvf', output_tarfile, '-C', self.new_root]) + out_logdir = self.tmp_path(date_logdir, self.new_root) + self.assertEqual( + '0.7fake\n', + load_file(os.path.join(out_logdir, 'version'))) + self.assertEqual( + 'cloud-init-log', + load_file(os.path.join(out_logdir, 'cloud-init.log'))) + self.assertEqual( + 'cloud-init-output-log', + load_file(os.path.join(out_logdir, 'cloud-init-output.log'))) + self.assertEqual( + 'dmesg-out\n', + load_file(os.path.join(out_logdir, 'dmesg.txt'))) + self.assertEqual( + 'journal-out\n', + load_file(os.path.join(out_logdir, 'journal.txt'))) + self.assertEqual( + 'results', + load_file( + os.path.join(out_logdir, 'run', 'cloud-init', 'results.json'))) + + def test_collect_logs_includes_optional_userdata(self): + """collect-logs include userdata when --include-userdata is set.""" + log1 = self.tmp_path('cloud-init.log', self.new_root) + write_file(log1, 'cloud-init-log') + log2 = self.tmp_path('cloud-init-output.log', self.new_root) + write_file(log2, 'cloud-init-output-log') + userdata = self.tmp_path('user-data.txt', self.new_root) + write_file(userdata, 'user-data') + ensure_dir(self.run_dir) + write_file(self.tmp_path('results.json', self.run_dir), 'results') + output_tarfile = self.tmp_path('logs.tgz') + + date = datetime.utcnow().date().strftime('%Y-%m-%d') + date_logdir = 'cloud-init-logs-{0}'.format(date) + + expected_subp = { + ('dpkg-query', '--show', "-f=${Version}\n", 'cloud-init'): + '0.7fake', + ('dmesg',): 'dmesg-out\n', + ('journalctl', '-o', 'short-precise'): 'journal-out\n', + ('tar', 'czvf', output_tarfile, date_logdir): '' + } + + def fake_subp(cmd): + cmd_tuple = tuple(cmd) + if cmd_tuple not in expected_subp: + raise AssertionError( + 'Unexpected command provided to subp: {0}'.format(cmd)) + if cmd == ['tar', 'czvf', output_tarfile, date_logdir]: + subp(cmd) # Pass through tar cmd so we can check output + return expected_subp[cmd_tuple], '' + + wrap_and_call( + 'cloudinit.cmd.devel.logs', + {'subp': {'side_effect': fake_subp}, + 'CLOUDINIT_LOGS': {'new': [log1, log2]}, + 'CLOUDINIT_RUN_DIR': {'new': self.run_dir}, + 'USER_DATA_FILE': {'new': userdata}}, + logs.collect_logs, output_tarfile, include_userdata=True) + # unpack the tarfile and check file contents + subp(['tar', 'zxvf', output_tarfile, '-C', self.new_root]) + out_logdir = self.tmp_path(date_logdir, self.new_root) + self.assertEqual( + 'user-data', + load_file(os.path.join(out_logdir, 'user-data.txt'))) |