def _imagecopy(self, context, instance, container_name, action_excution):
backup_rec = {}
action_excution.set_status(context, 'uploaded to swift')
swift_conn = Clients(context).swift()
headers = {'X-Container-Meta-dr_state': 'processing'}
image = self.clients.glance().images.get(self._image_id)
# take the checksum as unique id
global_container_image_id = image._info['checksum']
image_response = image.data()
image_response_data = StringIO.StringIO()
for chunk in image_response:
image_response_data.write(chunk)
image_response_data.seek(0, os.SEEK_SET)
chunks = 0
while True:
data = image_response_data.read(self.data_block_size_bytes)
data_offset = image_response_data.tell()
LOG.debug("uploading image offset %s chunks %s"
% (data_offset, chunks))
if data == '':
break
try:
swift_conn.put_object(container_name,
global_container_image_id + "_" +
str(chunks),
data,
content_length=len(data))
chunks += 1
except socket.error as err:
dr_state = 'DR image backup failed'
action_excution.set_status(context, dr_state)
raise exception.SwiftConnectionFailed(reason=str(err))
dr_state = 'Protected'
backup_rec["metadata"] = instance.metadata
backup_rec["image_id"] = global_container_image_id
backup_rec["instance_name"] = self._name
backup_rec["meta"] = image.to_dict()
backup_rec["chunks"] = chunks
action_excution.set_status(context, dr_state)
return dr_state, backup_rec
def _imagecopy(self, context, instance, container_name, action_excution):
backup_rec = {}
action_excution.set_status(context, 'uploaded to swift')
swift_conn = Clients(context).swift()
headers = {'X-Container-Meta-dr_state': 'processing'}
image = self.clients.glance().images.get(self._image_id)
# take the checksum as unique id
global_container_image_id = image._info['checksum']
image_response = image.data()
image_response_data = StringIO.StringIO()
for chunk in image_response:
image_response_data.write(chunk)
image_response_data.seek(0, os.SEEK_SET)
chunks = 0
while True:
data = image_response_data.read(self.data_block_size_bytes)
data_offset = image_response_data.tell()
LOG.debug("uploading image offset %s chunks %s" %
(data_offset, chunks))
if data == '':
break
try:
swift_conn.put_object(container_name,
global_container_image_id + "_" +
str(chunks),
data,
content_length=len(data))
chunks += 1
except socket.error as err:
dr_state = 'DR image backup failed'
action_excution.set_status(context, dr_state)
raise exception.SwiftConnectionFailed(reason=str(err))
dr_state = 'Protected'
backup_rec["metadata"] = instance.metadata
backup_rec["image_id"] = global_container_image_id
backup_rec["instance_name"] = self._name
backup_rec["meta"] = image.to_dict()
backup_rec["chunks"] = chunks
action_excution.set_status(context, dr_state)
return dr_state, backup_rec
def _snapshot(self, context, instance, container_name, action_excution):
# metadata = instance.metadata
n_client = self.clients.nova()
snapshot_name = instance.name + "_snapshot"
snapshot_metadata = instance.metadata
instance_snapshot = instance.create_image(snapshot_name,
instance.metadata)
self._snap_id = instance_snapshot
action_excution.set_status(context, 'taking snapshot')
local_snapshot = n_client.images.get(instance_snapshot)
LOG.debug("checking instance snapshot %s %s "
% (local_snapshot.status, local_snapshot.progress))
while (local_snapshot.status == "SAVING"):
greenthread.sleep(1)
local_snapshot = n_client.images.get(instance_snapshot)
backup_rec = {}
if local_snapshot.status == "ACTIVE":
action_excution.set_status(context, 'uploading to swift')
swift_conn = Clients(context).swift()
headers = {'X-Container-Meta-dr_state': 'processing'}
image = self.clients.glance().images.get(instance_snapshot)
image_response = image.data()
image_response_data = StringIO.StringIO()
for chunk in image_response:
image_response_data.write(chunk)
image_response_data.seek(0, os.SEEK_SET)
chunks = 0
while True:
data = image_response_data.read(self.data_block_size_bytes)
data_offset = image_response_data.tell()
LOG.debug("uploading offset %s chunks %s"
% (data_offset, chunks))
if data == '':
break
try:
swift_conn.put_object(container_name,
instance_snapshot + "_" +
str(chunks),
data,
content_length=len(data))
chunks += 1
except socket.error as err:
raise exception.SwiftConnectionFailed(reason=str(err))
dr_state = 'Protected'
backup_rec["metadata"] = instance.metadata
backup_rec["snap_id"] = self._snap_id
backup_rec["instance_name"] = self._name
backup_rec["meta"] = image.to_dict()
backup_rec["chunks"] = chunks
self._cleanup(context, n_client, self._snap_id)
else:
dr_state = 'DR clone backup failed'
action_excution.set_status(context, dr_state)
return dr_state, backup_rec
def _snapshot(self, context, instance, container_name, action_excution):
# metadata = instance.metadata
n_client = self.clients.nova()
snapshot_name = instance.name + "_snapshot"
snapshot_metadata = instance.metadata
instance_snapshot = instance.create_image(snapshot_name,
instance.metadata)
self._snap_id = instance_snapshot
action_excution.set_status(context, 'taking snapshot')
local_snapshot = n_client.images.get(instance_snapshot)
LOG.debug("checking instance snapshot %s %s " %
(local_snapshot.status, local_snapshot.progress))
while (local_snapshot.status == "SAVING"):
greenthread.sleep(1)
local_snapshot = n_client.images.get(instance_snapshot)
backup_rec = {}
if local_snapshot.status == "ACTIVE":
action_excution.set_status(context, 'uploading to swift')
swift_conn = Clients(context).swift()
headers = {'X-Container-Meta-dr_state': 'processing'}
image = self.clients.glance().images.get(instance_snapshot)
image_response = image.data()
image_response_data = StringIO.StringIO()
for chunk in image_response:
image_response_data.write(chunk)
image_response_data.seek(0, os.SEEK_SET)
chunks = 0
while True:
data = image_response_data.read(self.data_block_size_bytes)
data_offset = image_response_data.tell()
LOG.debug("uploading offset %s chunks %s" %
(data_offset, chunks))
if data == '':
break
try:
swift_conn.put_object(container_name,
instance_snapshot + "_" +
str(chunks),
data,
content_length=len(data))
chunks += 1
except socket.error as err:
raise exception.SwiftConnectionFailed(reason=str(err))
dr_state = 'Protected'
backup_rec["metadata"] = instance.metadata
backup_rec["snap_id"] = self._snap_id
backup_rec["instance_name"] = self._name
backup_rec["meta"] = image.to_dict()
backup_rec["chunks"] = chunks
self._cleanup(context, n_client, self._snap_id)
else:
dr_state = 'DR clone backup failed'
action_excution.set_status(context, dr_state)
return dr_state, backup_rec
