def test_encode_decode_are_inverse(self):
tag = 'volume'
volume = {'volume': True}
# regular volume
self.assertEquals(encode_tag(**decode_tag(tag)), tag)
self.assertEquals(decode_tag(encode_tag(**volume)), volume)
# backup volume
tag = 'backup.1.backup1'
volume = {
'timestamp': 1.0,
'backup_id': 'backup1'
}
self.assertEquals(encode_tag(**decode_tag(tag)), tag)
self.assertEquals(decode_tag(encode_tag(**volume)), volume)
# restore volume
tag = 'restore.vol1.backup1'
volume = {
'backup_source_volume_id': 'vol1',
'backup_id': 'backup1'
}
self.assertEquals(encode_tag(**decode_tag(tag)), tag)
self.assertEquals(decode_tag(encode_tag(**volume)), volume)
# zero volume
tag = 'zero'
volume = {'zero': True}
self.assertEquals(encode_tag(**decode_tag(tag)), tag)
self.assertEquals(decode_tag(encode_tag(**volume)), volume)
def test_encode_decode_are_inverse(self):
tag = 'volume'
volume = {'volume': True}
# regular volume
self.assertEquals(encode_tag(**decode_tag(tag)), tag)
self.assertEquals(decode_tag(encode_tag(**volume)), volume)
# backup volume
tag = 'backup.1.backup1'
volume = {
'timestamp': 1.0,
'backup_id': 'backup1'
}
self.assertEquals(encode_tag(**decode_tag(tag)), tag)
self.assertEquals(decode_tag(encode_tag(**volume)), volume)
# restore volume
tag = 'restore.vol1.backup1'
volume = {
'backup_source_volume_id': 'vol1',
'backup_id': 'backup1'
}
self.assertEquals(encode_tag(**decode_tag(tag)), tag)
self.assertEquals(decode_tag(encode_tag(**volume)), volume)
# zero volume
tag = 'zero'
volume = {'zero': True}
self.assertEquals(encode_tag(**decode_tag(tag)), tag)
self.assertEquals(decode_tag(encode_tag(**volume)), volume)
def clone(self, id=None, src=None, backup=None, size=None):
"""
This runs a clone job outside of the storage api,
which is useful for performance testing backup restores
(Example: storage tools clone volume-clone
--backup volume-backup --src volume-original)
"""
# Set basic Logging
logging.basicConfig()
# Get the lunr logger
log = logger.get_logger()
# Output Debug level info
log.logger.setLevel(logging.DEBUG)
# Load the local storage configuration
conf = LunrConfig.from_storage_conf()
# Init the volume helper
volume = VolumeHelper(conf)
# Attempt to figure out the original volume size
size = size or str(volume.get(src)['size'] / 1073741824)
# Size is in gigs
if not re.match('G', size):
size = size + 'G'
# Create a tag to apply to the lvm volume
tag = encode_tag(source_volume_id=src, backup_id=backup)
# Create the volume
execute('lvcreate', volume.volume_group,
name=id, size=size, addtag=tag)
# Get info for the newly created volume
new = volume.get(id)
with self.timeit():
print("Starting Backup")
# Restore volume from the backup
volume.clone(new, src, backup)
def test_encode_tag(self):
# normal volume
self.assertEquals(encode_tag(), 'volume')
# backup volume
result = encode_tag(timestamp=1, backup_id='backup1')
self.assertEquals(result, 'backup.1.backup1')
# restore volume
result = encode_tag(backup_source_volume_id='vol1',
backup_id='backup1')
self.assertEquals(result, 'restore.vol1.backup1')
# scrub volume
result = encode_tag(zero=True)
self.assertEquals(result, 'zero')
# image conversion
result = encode_tag(image_id='someimageid')
self.assertEquals(result, 'convert.someimageid')
def test_encode_tag(self):
# normal volume
self.assertEquals(encode_tag(), 'volume')
# backup volume
result = encode_tag(timestamp=1, backup_id='backup1')
self.assertEquals(result, 'backup.1.backup1')
# restore volume
result = encode_tag(backup_source_volume_id='vol1',
backup_id='backup1')
self.assertEquals(result, 'restore.vol1.backup1')
# scrub volume
result = encode_tag(zero=True)
self.assertEquals(result, 'zero')
# image conversion
result = encode_tag(image_id='someimageid')
self.assertEquals(result, 'convert.someimageid')
def clone(self, id=None, src=None, backup=None, size=None):
"""
This runs a clone job outside of the storage api,
which is useful for performance testing backup restores
(Example: storage tools clone volume-clone
--backup volume-backup --src volume-original)
"""
# Set basic Logging
logging.basicConfig()
# Get the lunr logger
log = logger.get_logger()
# Output Debug level info
log.logger.setLevel(logging.DEBUG)
# Load the local storage configuration
conf = LunrConfig.from_storage_conf()
# Init the volume helper
volume = VolumeHelper(conf)
# Attempt to figure out the original volume size
size = size or str(volume.get(src)['size'] / 1073741824)
# Size is in gigs
if not re.match('G', size):
size = size + 'G'
# Create a tag to apply to the lvm volume
tag = encode_tag(source_volume_id=src, backup_id=backup)
# Create the volume
execute('lvcreate',
volume.volume_group,
name=id,
size=size,
addtag=tag)
# Get info for the newly created volume
new = volume.get(id)
with self.timeit():
print("Starting Backup")
# Restore volume from the backup
volume.clone(new, src, backup)
