[lustre] Add Lustre filesystem plugin

This collects some basic information about the configuration
of Lustre on either a client or a server, including:
* Interal ring buffer log
* Basic configuration information
* Quota information
* Configuration of LNet
* JobID info
* LDLM connection states

Fixes: #1058

Signed-off-by: Nathaniel Clark <Nathaniel.Clark@misrule.us>
Signed-off-by: Bryn M. Reeves <bmr@redhat.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/sos/plugins/lustre.py b/sos/plugins/lustre.py
new file mode 100644
index 00000000..06dba019
--- /dev/null
+++ b/sos/plugins/lustre.py
@@ -0,0 +1,57 @@
+# 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.
+
+from sos.plugins import Plugin, RedHatPlugin
+from string import join
+
+
+class Lustre(Plugin, RedHatPlugin):
+    '''Lustre filesystem'''
+
+    plugin_name = 'lustre'
+    profiles = ('storage', 'network', 'cluster', )
+    packages = ('lustre', 'lustre-client', )
+
+    def get_params(self, name, param_list):
+        '''Use lctl get_param to collect a selection of parameters into a
+            file.
+
+        '''
+        self.add_cmd_output("lctl get_param %s" % join(param_list, " "),
+                            suggest_filename="params-%s" % name,
+                            stderr=False)
+
+    def setup(self):
+        self.add_cmd_output([
+            "lctl debug_kernel",
+            "lctl device_list",
+            "lctl list_nids",
+            "lctl route_list",
+            "lnetctl net show -v"
+        ])
+
+        self.get_params("basic", ["version", "health_check", "debug"])
+        self.get_params("lnet", ["peers", "routes", "routers", "nis"])
+        self.get_params("ldlm-states", ["*.*.state"])
+        self.get_params("jobid", ["jobid_name", "jobid_var"])
+
+        # Client Specific
+        self.add_cmd_output([
+                "lfs df",
+                "lfs df -i"
+        ])
+
+        # Server Specific
+        self.get_params("osd", ["osd-*.*.{mntdev,files*," +
+                                "kbytes*,blocksize,brw_stats}"])
+        self.get_params("quota", ["osd-*.*.quota_slave." +
+                                  "{info,limit_*,acct_*}"])
+
+# vim: set et ts=4 sw=4 :