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ceph-volume: add methods to pass filters to pvs, vgs and lvs commands

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Filters can be passed to these commands by using option '-S'.

Signed-off-by: Rishabh Dave <ridave@redhat.com>
This commit is contained in:
Rishabh Dave 2019-11-21 20:03:32 +05:30
parent bd24ccf90d
commit a4f2fcefb8
1 changed files with 36 additions and 0 deletions
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36
src/ceph-volume/ceph_volume/api/lvm.py
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@ -1343,3 +1343,39 @@ def create_lvs(volume_group, parts=None, size=None, name_prefix='ceph-lv'):
create_lv(name_prefix, uuid.uuid4(), vg=volume_group.name, extents=extents, tags=tags)
)
return lvs
#############################################################
#
# New methods to get PVs, LVs, and VGs.
# Later, these can be easily merged with get_api_* methods
#
###########################################################
PV_FIELDS = 'pv_name,pv_tags,pv_uuid,vg_name,lv_uuid'
VG_FIELDS = 'vg_name,pv_count,lv_count,snap_count,vg_attr,vg_size,vg_free,vg_free_count'
LV_FIELDS = 'lv_tags,lv_path,lv_name,vg_name,lv_uuid,lv_size'
def get_pvs(fields=PV_FIELDS, sep='";"', filters=''):
args = ['pvs', '--no-heading', '--readonly', '--separator=' + sep, '-S',
filters, '-o', fields]
stdout, stderr, returncode = process.call(args, verbose_on_failure=False)
pvs_report = _output_parser(stdout, fields)
return [PVolume(**pv_report) for pv_report in pvs_report]
def get_vgs(fields=VG_FIELDS, sep='";"', filters=''):
args = ['vgs', '--no-heading', '--readonly', '--separator=' + sep, '-S',
filters, '-o', fields]
stdout, stderr, returncode = process.call(args, verbose_on_failure=False)
vgs_report =_output_parser(stdout, fields)
return [VolumeGroup(**vg_report) for vg_report in vgs_report]
def get_lvs(fields=LV_FIELDS, sep='";"', filters=''):
args = ['lvs', '--no-heading', '--readonly', '--separator=' + sep, '-S',
filters, '-o', fields]
stdout, stderr, returncode = process.call(args, verbose_on_failure=False)
lvs_report = _output_parser(stdout, fields)
return [Volume(**lv_report) for lv_report in lvs_report]