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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 time
import os.path
import os
import glob
import string
from sos.plugins import Plugin, RedHatPlugin
class Gluster(Plugin, RedHatPlugin):
"""GlusterFS storage"""
plugin_name = 'gluster'
profiles = ('storage', 'virt')
statedump_dir = '/tmp/glusterfs-statedumps'
packages = ["glusterfs", "glusterfs-core"]
files = ["/etc/glusterd", "/var/lib/glusterd"]
option_list = [("dump", "enable glusterdump support", "slow", False)]
def get_volume_names(self, volume_file):
"""Return a dictionary for which key are volume names according to the
output of gluster volume info stored in volume_file.
"""
out = []
fp = open(volume_file, 'r')
for line in fp.readlines():
if not line.startswith("Volume Name:"):
continue
volname = line[12:-1]
out.append(volname)
fp.close()
return out
def make_preparations(self, name_dir):
try:
os.mkdir(name_dir)
except OSError:
pass
fp = open('/tmp/glusterdump.options', 'w')
data = 'path=' + name_dir + '\n'
fp.write(data)
fp.write('all=yes')
fp.close()
def wait_for_statedump(self, name_dir):
statedumps_present = 0
statedump_entries = os.listdir(name_dir)
for statedump_file in statedump_entries:
statedumps_present = statedumps_present+1
ret = -1
while ret == -1:
last_line = file(
name_dir + '/' + statedump_file, "r").readlines()[-1]
ret = string.count(last_line, 'DUMP_END_TIME')
def postproc(self):
if not os.path.exists(self.statedump_dir):
return
try:
for dirs in os.listdir(self.statedump_dir):
os.remove(os.path.join(self.statedump_dir, dirs))
os.rmdir(self.statedump_dir)
os.unlink('/tmp/glusterdump.options')
except OSError:
pass
def setup(self):
self.add_forbidden_path("/var/lib/glusterd/geo-replication/secret.pem")
self.add_cmd_output("gluster peer status")
self.add_copy_spec([
"/etc/redhat-storage-release",
# collect unified file and object storage configuration
"/etc/swift/",
# glusterfs-server rpm scripts stash this on migration to 3.3.x
"/etc/glusterd.rpmsave",
# common to all versions
"/etc/glusterfs",
"/var/lib/glusterd/",
# collect nfs-ganesha related configuration
"/var/run/gluster/shared_storage/nfs-ganesha/"
] + glob.glob('/var/run/gluster/*tier-dht/*'))
# collect logs - apply log_size for any individual file
# all_logs takes precedence over logsize
if not self.get_option("all_logs"):
limit = self.get_option("log_size")
else:
limit = 0
if limit:
for f in (glob.glob("/var/log/glusterfs/*log") +
glob.glob("/var/log/glusterfs/*/*log") +
glob.glob("/var/log/glusterfs/geo-replication/*/*log")):
self.add_copy_spec(f, limit)
else:
self.add_copy_spec("/var/log/glusterfs")
if self.get_option("dump"):
self.make_preparations(self.statedump_dir)
if self.check_ext_prog("killall -USR1 glusterfs glusterfsd"):
# let all the processes catch the signal and create
# statedump file entries.
time.sleep(1)
self.wait_for_statedump(self.statedump_dir)
self.add_copy_spec('/tmp/glusterdump.options')
self.add_copy_spec(self.statedump_dir)
else:
self.soslog.info("could not send SIGUSR1 to glusterfs \
processes")
volume_file = self.get_cmd_output_now("gluster volume info")
if volume_file:
for volname in self.get_volume_names(volume_file):
self.add_cmd_output([
"gluster volume geo-replication %s status" % volname,
"gluster volume heal %s info" % volname,
"gluster volume heal %s info split-brain" % volname,
"gluster snapshot list %s" % volname,
"gluster volume quota %s list" % volname,
"gluster volume rebalance %s status" % volname,
"gluster snapshot info %s" % volname,
"gluster snapshot status %s" % volname
])
self.add_cmd_output("gluster pool list")
self.add_cmd_output("gluster volume status")
# vim: set et ts=4 sw=4 :