def get_groups_from_vg(fp, global_opts):
import lvm
confkeys = configfile.vgprobe_config()
s_list = configfile.get_sections(fp, 'vgprobe')
bugroup_constructor_params = {
"group_compression": compress.get_compressor(global_opts.global_compression.value),
"compress_threads": global_opts.compress_threads.value,
"compress_level": global_opts.compress_level.value,
"grace_period": global_opts.global_grace_period.value
}
bg_list = []
for s in s_list:
vgp_opts = configfile.ConfigContainer()
configfile.set_kv_pairs(s, confkeys, 'vgprobe', vgp_opts)
if not hasattr(vgp_opts, 'vg'):
print "Hrrm.. no VG"
continue
if vgp_opts.vg.is_default:
continue
exclude = []
if vgp_opts.exclude.value:
exclude.extend(vgp_opts.exclude.value)
lvs = lvm.get_lvs(vgp_opts.vg.value)
for lv in lvs:
if lv in exclude:
continue
tmp = common.LVMBackupGroup(lv, vg_name=vgp_opts.vg.value,**bugroup_constructor_params)
tmp.backup_base = (True, global_opts.dest_path.value)
bg_list.append(tmp)
return bg_list
def get_global_params(fp):
"""
-> configfile.ConfigContainer()
"""
global_opts = configfile.ConfigContainer()
#Get global parameters
global_section = configfile.get_sections(fp, 'global')[0]
global_ck_list = configfile.gloabls_config()
configfile.set_kv_pairs(global_section,global_ck_list,'global',global_opts)
return global_opts
def get_groups_from_config(fp, global_opts):
"""
-> list of BackupGroup objects
"""
#our main list, which we return:
bg_list = []
#Some name bindings:
compress_level = global_opts.compress_level.value
compress_threads = global_opts.compress_threads.value
dest_path = global_opts.dest_path.value
global_compression = global_opts.global_compression
global_grace_period = global_opts.global_grace_period
#Get keys and actual [group] text sections from the config file
s_list = configfile.get_sections(fp, 'group')
confkeys = configfile.group_config()
for s in s_list:
#Get options from the config file
bg_opts = configfile.ConfigContainer()
configfile.set_kv_pairs(s, confkeys, 'group', bg_opts)
#Verify the config file has options we need
try:
(bg_opts.dev,bg_opts.type,bg_opts.compression)
except (NameError, AttributeError) as err:
print sys.exc_info()[2]
continue
#kwargs to be passed to class constructors
kwargs = dict()
#Get group-specific compression if specified
if not global_compression.is_default and bg_opts.compression.is_default:
compression = global_compression.value
else:
compression = bg_opts.compression.value
compression = compress.get_compressor(compression)
#Update kwargs with compression params
kwargs.update({"group_compression":compression, "compress_threads": compress_threads, "compress_level": compress_level})
#get group-specific grace period parameters, if specified
if not global_grace_period.is_default and bg_opts.grace_period.is_default:
grace_period = global_grace_period.value
else:
grace_period = bg_opts.grace_period.value
kwargs.update({"grace_period":grace_period})
tmp = None
#LVM-based Logical Volume
if bg_opts.type.value.upper() == "LVM":
tmp = common.LVMBackupGroup(bg_opts.dev.value, vg_name = bg_opts.vg.value, **kwargs)
#File-based image
elif bg_opts.type.value.upper() == "IMAGE":
tmp = common.ImageBackupGroup(bg_opts.file.value, **kwargs)
#Possibly commented-out entry
else:
continue
bg_list.append(tmp)
try:
tmp.backup_base = (True, dest_path)
except ValueError as err:
print sys.exc_info()[2]
raise ValueError("Missing or inappropriate dest path in global config")
return bg_list