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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.report.plugins import Plugin, RedHatPlugin
class Vdo(Plugin, RedHatPlugin):
short_desc = 'Virtual Data Optimizer'
plugin_name = 'vdo'
profiles = ('storage',)
packages = ('vdo',)
files = (
'/sys/kvdo',
'/sys/uds',
'/etc/vdoconf.yml',
'/etc/vdoconf.xml'
)
def setup(self):
self.add_copy_spec(self.files)
vdos = self.collect_cmd_output('vdo list --all')
for vdo in vdos['output'].splitlines():
self.add_cmd_output(f"vdo status -n {vdo}")
self.add_cmd_output([
'vdostats --human-readable',
'vdostats --verbose',
])
vdo_cols1 = ('vdo_slab_size,vdo_header_size,vdo_minimum_io_size,'
'vdo_block_map_cache_size,vdo_block_map_era_length,'
'vdo_write_policy,vdo_max_discard')
vdo_cols2 = ('vdo_ack_threads,vdo_bio_rotation,vdo_bio_threads,'
'vdo_cpu_threads,vdo_hash_zone_threads,'
'vdo_logical_threads,vdo_physical_threads')
vdo_cols3 = ('vdo_compression,vdo_deduplication,'
'vdo_use_metadata_hints,vdo_use_sparse_index,'
'vdo_index_state,vdo_index_memory_size')
self.add_cmd_output([f"lvs -a -o +{cols}"
for cols in [vdo_cols1, vdo_cols2]])
lvm_vdos = self.collect_cmd_output(f"lvs -a -o +{vdo_cols3}")
if lvm_vdos['status'] == 0:
for vdo in lvm_vdos['output'].splitlines():
# we can find the pool and pool data maps in the output
# of lvs, in the column Volume type, marked as 'D'
lv, vg, lv_attr = vdo.split()[:3]
if lv_attr.startswith("D"):
vdo_path = f"{vg}-{lv.strip('[]')}"
self.add_cmd_output(
f"vdodumpconfig /dev/mapper/{vdo_path}"
)
# vim set et ts=4 sw=4 :
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