本文整理汇总了Python中swift.common.ring.RingBuilder.copy_from方法的典型用法代码示例。如果您正苦于以下问题：Python RingBuilder.copy_from方法的具体用法？Python RingBuilder.copy_from怎么用？Python RingBuilder.copy_from使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类swift.common.ring.RingBuilder的用法示例。
在下文中一共展示了RingBuilder.copy_from方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _load_builder
# 需要导入模块: from swift.common.ring import RingBuilder [as 别名]
# 或者: from swift.common.ring.RingBuilder import copy_from [as 别名]
def _load_builder(path):
# lifted straight from /usr/bin/swift-ring-builder
from swift.common.ring import RingBuilder
try:
builder = pickle.load(open(path, 'rb'))
if not hasattr(builder, 'devs'):
builder_dict = builder
builder = RingBuilder(1, 1, 1)
builder.copy_from(builder_dict)
except ImportError: # Happens with really old builder pickles
builder = RingBuilder(1, 1, 1)
builder.copy_from(pickle.load(open(path, 'rb')))
for dev in builder.devs:
if dev and 'meta' not in dev:
dev['meta'] = ''
return builder示例2: write_builder
# 需要导入模块: from swift.common.ring import RingBuilder [as 别名]
# 或者: from swift.common.ring.RingBuilder import copy_from [as 别名]
def write_builder():
"""
swift-ring-builder <ring_file> write_builder [min_part_hours]
Recreate a builder from a ring file (lossy) if you lost your builder
backups. (Protip: don't lose your builder backups).
[min_part_hours] is one of those numbers lost to the builder,
you can change it with set_min_part_hours.
"""
if exists(builder_file):
print 'Cowardly refusing to overwrite existing ' \
'Ring Builder file: %s' % builder_file
exit(EXIT_ERROR)
if len(argv) > 3:
min_part_hours = int(argv[3])
else:
stderr.write("WARNING: default min_part_hours may not match "
"the value in the lost builder.\n")
min_part_hours = 24
ring = Ring(ring_file)
for dev in ring.devs:
dev.update({
'parts': 0,
'parts_wanted': 0,
})
builder_dict = {
'part_power': 32 - ring._part_shift,
'replicas': float(ring.replica_count),
'min_part_hours': min_part_hours,
'parts': ring.partition_count,
'devs': ring.devs,
'devs_changed': False,
'version': 0,
'_replica2part2dev': ring._replica2part2dev_id,
'_last_part_moves_epoch': None,
'_last_part_moves': None,
'_last_part_gather_start': 0,
'_remove_devs': [],
}
builder = RingBuilder(1, 1, 1)
builder.copy_from(builder_dict)
for parts in builder._replica2part2dev:
for dev_id in parts:
builder.devs[dev_id]['parts'] += 1
builder._set_parts_wanted()
builder.save(builder_file)