[nvme] Create nvme plugin

This plugin collects configuration and system information about NVMe
devices.

The nvme-cli tool is used to get relevant information about firmware,
supported commands, serial, model, usage, etc..

Fixes: #1053.

Signed-off-by: Rodrigo R. Galvao <rosattig@br.ibm.com>
Signed-off-by: Bryn M. Reeves <bmr@redhat.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/sos/plugins/nvme.py b/sos/plugins/nvme.py
new file mode 100644
index 00000000..dd49083f
--- /dev/null
+++ b/sos/plugins/nvme.py
@@ -0,0 +1,43 @@
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+from sos.plugins import Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin
+import os
+
+
+class Nvme(Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin):
+    """Collect config and system information about NVMe devices"""
+
+    plugin_name = "nvme"
+    packages = ('nvme-cli',)
+
+    def get_nvme_devices(self):
+        sys_block = os.listdir('/sys/block/')
+        return [dev for dev in sys_block if dev.startswith('nvme')]
+
+    def setup(self):
+        for dev in self.get_nvme_devices():
+            # runs nvme-cli commands
+            self.add_cmd_output([
+                                "nvme list",
+                                "nvme list-ns /dev/%s" % dev,
+                                "nvme fw-log /dev/%s" % dev,
+                                "nvme list-ctrl /dev/%s" % dev,
+                                "nvme id-ctrl -H /dev/%s" % dev,
+                                "nvme id-ns -H /dev/%s" % dev,
+                                "nvme smart-log /dev/%s" % dev,
+                                "nvme error-log /dev/%s" % dev,
+                                "nvme show-regs /dev/%s" % dev])
+
+# vim: set et ts=4 sw=4 :