def do_host_lvg_delete(cc, args):
"""Delete a Local Volume Group."""
# Get the ihost object
ihost = ihost_utils._find_ihost(cc, args.hostnameorid)
ilvg = ilvg_utils._find_ilvg(cc, ihost, args.lvm_vg_name)
try:
cc.ilvg.delete(ilvg.uuid)
except exc.HTTPNotFound:
raise exc.CommandError('Local Volume Group delete failed: host %s: '
'lvg %s' %
(args.hostnameorid, args.lvm_vg_name))
def do_host_lvg_modify(cc, args):
"""Modify the attributes of a Local Volume Group."""
# Get all the fields from the command arguments
field_list = [
'hostnameorid', 'lvgnameoruuid', 'instance_backing',
'concurrent_disk_operations', 'lvm_type'
]
fields = dict((k, v) for (k, v) in vars(args).items()
if k in field_list and not (v is None))
all_caps_list = [
'instance_backing', 'concurrent_disk_operations', 'lvm_type'
]
integer_fields = ['concurrent_disk_operations']
requested_caps_dict = {}
for cap in all_caps_list:
if cap in fields:
try:
if cap in integer_fields:
requested_caps_dict[cap] = int(fields[cap])
else:
requested_caps_dict[cap] = fields[cap]
except ValueError:
raise exc.CommandError('{0} value {1} is invalid'.format(
cap, fields[cap]))
# Get the ihost object
ihost = ihost_utils._find_ihost(cc, args.hostnameorid)
# Get the volume group
lvg = ilvg_utils._find_ilvg(cc, ihost, args.lvgnameoruuid)
# format the arguments
patch = []
patch.append({
'path': '/capabilities',
'value': jsonutils.dumps(requested_caps_dict),
'op': 'replace'
})
# Update the volume group attributes
try:
ilvg = cc.ilvg.update(lvg.uuid, patch)
except exc.HTTPNotFound:
raise exc.CommandError("ERROR: Local Volume Group update failed: "
"host %s volume group %s : update %s" %
(args.hostnameorid, args.lvgnameoruuid, patch))
_print_ilvg_show(ilvg)
def do_host_pv_add(cc, args):
"""Add a Physical Volume."""
field_list = ['disk_or_part_uuid']
ihost = ihost_utils._find_ihost(cc, args.hostnameorid)
ilvg = ilvg_utils._find_ilvg(cc, ihost, args.lvgname)
fields = {}
user_specified_fields = dict((k, v) for (k, v) in vars(args).items()
if k in field_list and not (v is None))
fields.update(user_specified_fields)
fields['ihost_uuid'] = ihost.uuid
fields['ilvg_uuid'] = ilvg.uuid
idisk = idisk_utils._find_disk(cc, ihost,
args.device_name_path_uuid)
if idisk:
fields['disk_or_part_uuid'] = idisk.uuid
fields['pv_type'] = 'disk'
else:
partition = partition_utils._find_partition(cc, ihost,
args.device_name_path_uuid)
if partition:
fields['disk_or_part_uuid'] = partition.uuid
fields['pv_type'] = 'partition'
if not idisk and not partition:
raise exc.CommandError("No disk or partition found on host \'%s\' "
"by device path or uuid %s" %
(ihost.hostname, args.device_name_path_uuid))
try:
ipv = cc.ipv.create(**fields)
except exc.HTTPNotFound:
raise exc.CommandError("Physical volume creation failed: host %s: "
"fields %s" % (args.hostnameorid, fields))
suuid = getattr(ipv, 'uuid', '')
try:
ipv = cc.ipv.get(suuid)
except exc.HTTPNotFound:
raise exc.CommandError("Created physical volume UUID not found: "
"%s" % suuid)
_print_ipv_show(ipv)
def do_host_lvg_show(cc, args):
"""Show Local Volume Group attributes."""
ihost = ihost_utils._find_ihost(cc, args.hostnameorid)
ilvg = ilvg_utils._find_ilvg(cc, ihost, args.lvgnameoruuid)
_print_ilvg_show(ilvg)
