Collect lsblk and /proc/mdstat with ramdisk logs

This should improve debugability of partitioning problems.

Change-Id: I3c7ae3f2831c9900a3f0d24daec6dd6b8bea6a60

ironic_python_agent/hardware.py

@@ -288,6 +288,7 @@ def list_all_block_devices(block_type='disk',
                     "version of block device name is unavailable "
                     "Cause: %(error)s", {'path': disk_by_path_dir, 'error': e})
 
+    # NOTE(dtantsur): keep in sync with utils.LSBLK_COLUMNS
     columns = ['KNAME', 'MODEL', 'SIZE', 'ROTA', 'TYPE']
     report = utils.execute('lsblk', '-Pbia', '-o{}'.format(','.join(columns)),
                            check_exit_code=[0])[0]

ironic_python_agent/tests/unit/test_utils.py

@@ -504,7 +504,8 @@ class TestUtils(testtools.TestCase):
         mock_gzip_b64.assert_called_once_with(
             file_list=[],
             io_dict={'journal': mock.ANY, 'ip_addr': mock.ANY, 'ps': mock.ANY,
-                     'df': mock.ANY, 'iptables': mock.ANY, 'lshw': mock.ANY})
+                     'df': mock.ANY, 'iptables': mock.ANY, 'lshw': mock.ANY,
+                     'lsblk': mock.ANY, 'mdstat': mock.ANY})
 
     @mock.patch.object(utils, 'gzip_and_b64encode', autospec=True)
     @mock.patch.object(utils, 'is_journalctl_present', autospec=True)
@@ -525,7 +526,8 @@ class TestUtils(testtools.TestCase):
         mock_gzip_b64.assert_called_once_with(
             file_list=['/var/log'],
             io_dict={'iptables': mock.ANY, 'ip_addr': mock.ANY, 'ps': mock.ANY,
-                     'dmesg': mock.ANY, 'df': mock.ANY, 'lshw': mock.ANY})
+                     'dmesg': mock.ANY, 'df': mock.ANY, 'lshw': mock.ANY,
+                     'lsblk': mock.ANY, 'mdstat': mock.ANY})
 
     def test_get_ssl_client_options(self):
         # defaults

ironic_python_agent/utils.py

@@ -52,12 +52,17 @@ LOG = logging.getLogger(__name__)
 AGENT_PARAMS_CACHED = dict()
 
 
+LSBLK_COLUMNS = ['KNAME', 'MODEL', 'SIZE', 'ROTA', 'TYPE', 'UUID', 'PARTUUID']
+
+
 COLLECT_LOGS_COMMANDS = {
     'ps': ['ps', 'au'],
     'df': ['df', '-a'],
     'iptables': ['iptables', '-L'],
     'ip_addr': ['ip', 'addr'],
     'lshw': ['lshw', '-quiet', '-json'],
+    'lsblk': ['lsblk', '--all', '-o%s' % ','.join(LSBLK_COLUMNS)],
+    'mdstat': ['cat', '/proc/mdstat'],
 }
 
 
@@ -404,6 +409,7 @@ def collect_system_logs(journald_max_lines=None):
                                the journald. if None, return everything.
     :returns: A tar, gzip base64 encoded string with the logs.
     """
+    LOG.info('Collecting system logs and debugging information')
 
     def try_get_command_output(io_dict, file_name, command):
         try:

releasenotes/notes/collect-more-8bc9ad4c63e873e1.yaml

@@ -0,0 +1,5 @@
+---
+other:
+  - |
+    The output of ``lsblk`` and the contents of ``/proc/mdstat`` are now
+    collected with the ramdisk logs for debugging.