def get_disk_for_user(user_email):
JBoxEBSVol.log_debug("creating EBS volume for %s", user_email)
if not JBoxEBSVol.HAS_EBS:
raise Exception("EBS disks not enabled")
disk_id = JBoxEBSVol._reserve_disk_id()
if disk_id is None:
raise Exception("No free disk available")
sess_id = unique_sessname(user_email)
sess_props = JBoxSessionProps(sess_id, create=True, user_id=user_email)
if sess_props.is_new:
sess_props.save()
snap_id = sess_props.get_snapshot_id()
if snap_id is None:
snap_id = JBoxEBSVol.DISK_TEMPLATE_SNAPSHOT
JBoxEBSVol.log_debug("will use snapshot id %s for %s", snap_id, user_email)
_dev_path, mnt_path = CloudHost.create_new_volume(snap_id, disk_id, JBoxEBSVol.FS_LOC, tag=user_email)
ebsvol = JBoxEBSVol(mnt_path, user_email=user_email)
if snap_id == JBoxEBSVol.DISK_TEMPLATE_SNAPSHOT:
JBoxEBSVol.log_debug("creating home folder on blank volume for %s", user_email)
ebsvol.restore_user_home()
ebsvol.restore()
#else:
# snap_age_days = CloudHost.get_snapshot_age(snap_id).total_seconds()/(60*60*24)
# if snap_age_days > 7:
# ebsvol.restore_user_home()
JBoxEBSVol.log_debug("setting up instance configuration on disk for %s", user_email)
ebsvol.setup_instance_config()
return ebsvol
def _backup(self, clear_volume=False):
sess_props = JBoxSessionProps(self.sessname)
desc = sess_props.get_user_id() + " JuliaBox Backup"
disk_id = self.disk_path.split('/')[-1]
snap_id = CloudHost.snapshot_volume(dev_id=disk_id, tag=self.sessname, description=desc)
old_snap_id = sess_props.get_snapshot_id()
sess_props.set_snapshot_id(snap_id)
sess_props.save()
if old_snap_id is not None:
CloudHost.delete_snapshot(old_snap_id)
def _backup(self, clear_volume=False):
sess_props = JBoxSessionProps(self.sessname)
desc = sess_props.get_user_id() + " JuliaBox Backup"
disk_id = self.disk_path.split('/')[-1]
snap_id = CloudHost.snapshot_volume(dev_id=disk_id,
tag=self.sessname,
description=desc)
old_snap_id = sess_props.get_snapshot_id()
sess_props.set_snapshot_id(snap_id)
sess_props.save()
if old_snap_id is not None:
CloudHost.delete_snapshot(old_snap_id)
def get_disk_for_user(user_email):
JBoxEBSVol.log_debug("creating EBS volume for %s", user_email)
if not JBoxEBSVol.HAS_EBS:
raise Exception("EBS disks not enabled")
disk_id = JBoxEBSVol._reserve_disk_id()
if disk_id is None:
raise Exception("No free disk available")
sess_id = unique_sessname(user_email)
sess_props = JBoxSessionProps(sess_id, create=True, user_id=user_email)
if sess_props.is_new:
sess_props.save()
snap_id = sess_props.get_snapshot_id()
if snap_id is None:
snap_id = JBoxEBSVol.DISK_TEMPLATE_SNAPSHOT
JBoxEBSVol.log_debug("will use snapshot id %s for %s", snap_id,
user_email)
_dev_path, mnt_path = CloudHost.create_new_volume(snap_id,
disk_id,
JBoxEBSVol.FS_LOC,
tag=user_email)
ebsvol = JBoxEBSVol(mnt_path, user_email=user_email)
if snap_id == JBoxEBSVol.DISK_TEMPLATE_SNAPSHOT:
JBoxEBSVol.log_debug("creating home folder on blank volume for %s",
user_email)
ebsvol.restore_user_home(True)
ebsvol.restore()
else:
JBoxEBSVol.log_debug(
"updating home folder on existing volume for %s", user_email)
ebsvol.restore_user_home(False)
# snap_age_days = CloudHost.get_snapshot_age(snap_id).total_seconds()/(60*60*24)
# if snap_age_days > 7:
# ebsvol.restore_user_home()
JBoxEBSVol.log_debug(
"setting up instance configuration on disk for %s", user_email)
ebsvol.setup_instance_config()
return ebsvol
def update_disk_states():
detached_disks = JBoxDiskState.get_detached_disks()
time_now = datetime.datetime.now(pytz.utc)
for disk_key in detached_disks:
disk_info = JBoxDiskState(disk_key=disk_key)
user_id = disk_info.get_user_id()
sess_props = JBoxSessionProps(unique_sessname(user_id))
incomplete_snapshots = []
modified = False
for snap_id in disk_info.get_snapshot_ids():
if not CloudHost.is_snapshot_complete(snap_id):
incomplete_snapshots.append(snap_id)
continue
JBoxd.log_debug("updating latest snapshot of user %s to %s",
user_id, snap_id)
old_snap_id = sess_props.get_snapshot_id()
sess_props.set_snapshot_id(snap_id)
modified = True
if old_snap_id is not None:
CloudHost.delete_snapshot(old_snap_id)
if modified:
sess_props.save()
disk_info.set_snapshot_ids(incomplete_snapshots)
disk_info.save()
if len(incomplete_snapshots) == 0:
if (time_now - disk_info.get_detach_time()
).total_seconds() > 24 * 60 * 60:
vol_id = disk_info.get_volume_id()
JBoxd.log_debug(
"volume %s for user %s unused for too long", vol_id,
user_id)
disk_info.delete()
CloudHost.detach_volume(vol_id, delete=True)
else:
JBoxd.log_debug("ongoing snapshots of user %s: %r", user_id,
incomplete_snapshots)
def get_disk_for_user(user_email):
JBoxEBSVol.log_debug("creating EBS volume for %s", user_email)
if not JBoxEBSVol.HAS_EBS:
raise Exception("EBS disks not enabled")
disk_id = JBoxEBSVol._reserve_disk_id()
if disk_id is None:
raise Exception("No free disk available")
try:
existing_disk = JBoxDiskState(cluster_id=CloudHost.INSTALL_ID,
region_id=CloudHost.REGION,
user_id=user_email)
except:
existing_disk = None
if existing_disk is None:
sess_id = unique_sessname(user_email)
sess_props = JBoxSessionProps(sess_id,
create=True,
user_id=user_email)
if sess_props.is_new:
sess_props.save()
snap_id = sess_props.get_snapshot_id()
if snap_id is None:
snap_id = JBoxEBSVol.DISK_TEMPLATE_SNAPSHOT
JBoxEBSVol.log_debug("will use snapshot id %s for %s", snap_id,
user_email)
_dev_path, mnt_path, vol_id = CloudHost.create_new_volume(
snap_id,
disk_id,
JBoxEBSVol.FS_LOC,
tag=user_email,
disk_sz_gb=JBoxEBSVol.DISK_LIMIT)
existing_disk = JBoxDiskState(cluster_id=CloudHost.INSTALL_ID,
region_id=CloudHost.REGION,
user_id=user_email,
volume_id=vol_id,
attach_time=None,
create=True)
else:
_dev_path, mnt_path = CloudHost.attach_volume(
existing_disk.get_volume_id(), disk_id, JBoxEBSVol.FS_LOC)
existing_disk.set_attach_time()
snap_id = None
existing_disk.set_state(JBoxDiskState.STATE_ATTACHED)
existing_disk.save()
ebsvol = JBoxEBSVol(mnt_path, user_email=user_email)
if snap_id == JBoxEBSVol.DISK_TEMPLATE_SNAPSHOT:
JBoxEBSVol.log_debug("creating home folder on blank volume for %s",
user_email)
ebsvol.restore_user_home(True)
ebsvol.restore()
else:
JBoxEBSVol.log_debug(
"updating home folder on existing volume for %s", user_email)
ebsvol.restore_user_home(False)
# snap_age_days = CloudHost.get_snapshot_age(snap_id).total_seconds()/(60*60*24)
# if snap_age_days > 7:
# ebsvol.restore_user_home()
JBoxEBSVol.log_debug(
"setting up instance configuration on disk for %s", user_email)
ebsvol.setup_instance_config()
return ebsvol
