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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.
from sos.plugins import Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin
import os.path
class Gfs2(Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin):
"""GFS2 (Global Filesystem 2)"""
plugin_name = "gfs2"
profiles = ("cluster", )
packages = ["gfs2-utils"]
option_list = [
("lockdump",
"capture lock dumps for all GFS2 filesystems",
"slow", False),
]
debugfs_path = "/sys/kernel/debug"
_debugfs_cleanup = False
def setup(self):
self.add_copy_spec([
"/sys/fs/gfs2/*/withdraw"
])
self.add_cmd_output([
"gfs_control ls -n",
"gfs_control dump"
])
if self.get_option("gfs2lockdump"):
if self._mount_debug():
self.add_copy_spec(["/sys/kernel/debug/gfs2/*"])
def _mount_debug(self):
if not os.path.ismount(self.debugfs_path):
self._debugfs_cleanup = True
r = self.call_ext_prog("mount -t debugfs debugfs %s"
% self.debugfs_path)
if r["status"] != 0:
self._log_error("debugfs not mounted and mount attempt failed")
self._debugfs_cleanup = False
return os.path.ismount(self.debugfs_path)
def postproc(self):
if self._debugfs_cleanup and os.path.ismount(self.debugfs_path):
r = self.call_ext_prog("umount %s" % self.debugfs_path)
if r["status"] != 0:
self._log_error("could not unmount %s" % self.debugfs_path)
return
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