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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, IndependentPlugin, PluginOpt
class Dlm(Plugin, IndependentPlugin):
short_desc = 'DLM (Distributed lock manager)'
plugin_name = "dlm"
profiles = ("cluster", )
packages = ("cman", "dlm", "pacemaker")
option_list = [
PluginOpt('lockdump', default=False, desc='capture lock dumps for DLM')
]
def setup(self):
self.add_copy_spec([
"/etc/sysconfig/dlm"
])
self.add_cmd_output([
"dlm_tool log_plock",
"dlm_tool dump",
"dlm_tool ls -n"
])
if self.get_option("lockdump"):
self.do_lockdump()
def do_lockdump(self):
""" Do dlm lock dumps """
dlm_tool = "dlm_tool ls"
result = self.collect_cmd_output(dlm_tool)
if result["status"] != 0:
return
lock_exp = r'^name\s+([^\s]+)$'
lock_re = re.compile(lock_exp, re.MULTILINE)
for lockspace in lock_re.findall(result["output"]):
self.add_cmd_output(
"dlm_tool lockdebug -svw '%s'" % lockspace,
suggest_filename="dlm_locks_%s" % lockspace
)
# vim: et ts=4 sw=4
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