datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
self.xfs_filesystem, self.ebs_volume)
ec2.create_snapshot(self.ebs_volume, description)
if self.xfs_filesystem:
self.run_cmd('xfs_freeze -u %s' % self.xfs_filesystem)
# filesystem
if paths:
self.log('creating archive %s [%s]' % (self.backup_file, ', '.join(paths)))
tf = tarfile.open(self.backup_file, 'w:gz')
for p in paths:
tf.add(p)
tf.close()
self.s3_upload(self.backup_s3, self.backup_file)
def restore(self):
# packages
self.s3_download(self.dpkg_s3, self.dpkg_file)
self.run_cmd('dpkg --set-selections < %s && apt-get -y dselect-upgrade' % self.dpkg_file)
# filesystem
self.s3_download(self.backup_s3, self.backup_file)
self.log('extracting archive %s' % self.backup_file)
tf = tarfile.open(self.backup_file)
tf.extractall('/')
if __name__ == '__main__':
run_aws_command(AWSBackup)
# create and attach an EBS device
volume = ec2.create_volume(size, zone)
available_devices = ['/dev/sdf', '/dev/sdg', '/dev/sdh', '/dev/sdi',
'/dev/sdj', '/dev/sdk', '/dev/sdl', '/dev/sdm',
'/dev/sdn', '/dev/sdo', '/dev/sdp', ]
for dev in available_devices:
try:
volume.attach(instance, dev)
self.log('attached volume at %s' % dev)
break
except BotoServerError:
pass
else:
volume.delete()
raise AWSError('failed to find available device')
# wait 5 seconds for EBS device to connect
time.sleep(5)
# mount EBS device as XFS filesystem
self.run_cmd('mkfs.xfs %s' % dev)
self.run_cmd('mkdir -p %s' % path)
fstab_line = '%s %s xfs defaults 0 0' % (dev, path)
self.run_cmd('echo "%s" >> /etc/fstab' % fstab_line)
self.run_cmd('mount %s' % path)
if __name__ == '__main__':
run_aws_command(AddVolume)
