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# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.
import re
from sos.report.plugins import Plugin, RedHatPlugin
class Lustre(Plugin, RedHatPlugin):
short_desc = '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(f"lctl get_param {' '.join(param_list)}",
suggest_filename=f"params-{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"
])
# Grab almost everything
output = self.exec_cmd("lctl list_param -R *")['output']
exclude = (".*@.*|.*dump_page_cache|peers|.*quota.*|osd-.*|.*osc.*|"
"mgs.*|.*mgc_irstate|ldlm.*state|.*job_stats|.*exports.*")
params = [item for item in output.splitlines()
if not re.match(exclude, item)]
self.get_params("all", params)
self.get_params(
"basic",
["version", "health_check", "debug"]
)
# Client Specific
self.add_cmd_output([
"lfs df",
"lfs df -i"
])
self.get_params("osc_client", [
"osc.*.max_dirty_mb",
"osc.*.max_pages_per_rpc",
"osc.*.checksums",
"osc.*.max_rpcs_in_flight"
])
# Server Specific
self.get_params(
"osd",
["osd-*.*.{mntdev,files*,kbytes*,blocksize,brw_stats}"]
)
self.get_params("quota", ["osd-*.*.quota_slave.{info,limit_*,acct_*}"])
self.get_params("mgs", ["mgs.MGS.ir_timeout", "mgs.MGS.live.*"])
# mb_groups can be VERY large, and provide minimal debug usefulness
self.add_forbidden_path("*/mb_groups")
self.add_copy_spec([
"/sys/fs/ldiskfs",
"/proc/fs/ldiskfs",
])
# Grab emergency ring buffer dumps and other largish info
if self.get_option("all_logs"):
self.add_copy_spec("/tmp/lustre-log.*")
self.get_params("job-stats", ["*.*.job_stats"])
self.get_params("peers", ["peers"])
# vim: set et ts=4 sw=4 :
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