def _create(partition, iprofile=None, applyprofile=None):
# Reject operation if we are upgrading the system.
ihostid = partition.get('forihostid') or partition.get('ihost_uuid')
ihost = pecan.request.dbapi.ihost_get(ihostid)
cutils._check_upgrade(pecan.request.dbapi, ihost)
if uuidutils.is_uuid_like(ihostid):
forihostid = ihost['id']
else:
forihostid = ihostid
partition.update({'forihostid': forihostid})
# Add any additional default values
# Semantic Checks
_semantic_checks(constants.PARTITION_CMD_CREATE, partition)
# Set the proposed device_path
partition['device_node'], partition['device_path'] =\
_build_device_node_path(partition)
# Set the status of the new partition
if (ihost.invprovision in [constants.PROVISIONED, constants.PROVISIONING]
and not iprofile):
partition['status'] = constants.PARTITION_CREATE_IN_SVC_STATUS
else:
partition['status'] = constants.PARTITION_CREATE_ON_UNLOCK_STATUS
# If the host is unprovisioned, reflect the size of this partition
# in the available space reported for the disk.
idiskid = partition.get('idisk_id') or partition.get('idisk_uuid')
idisk = pecan.request.dbapi.idisk_get(idiskid)
new_available_mib = idisk.available_mib - partition['size_mib']
pecan.request.dbapi.idisk_update(idiskid,
{'available_mib': new_available_mib})
try:
# Update the database
new_partition = pecan.request.dbapi.partition_create(
forihostid, partition)
# Check if this host has been provisioned. If so, attempt an in-service
# action. If not, we'll just stage the DB changes to and let the unlock
# apply the manifest changes
# - PROVISIONED: standard controller/worker (after config_controller)
# - PROVISIONING: AIO (after config_controller) and before worker
# configuration
if (ihost.invprovision
in [constants.PROVISIONED, constants.PROVISIONING]
and not iprofile):
# Instruct puppet to implement the change
pecan.request.rpcapi.update_partition_config(
pecan.request.context, partition)
except exception.HTTPNotFound:
msg = _("Creating partition failed for host %s ") % (ihost['hostname'])
raise wsme.exc.ClientSideError(msg)
except exception.PartitionAlreadyExists:
msg = _("Disk partition %s already exists." %
partition.get('device_path'))
raise wsme.exc.ClientSideError(msg)
return new_partition
def _delete(partition):
# Reject operation if we are upgrading the system unless it is a new host.
ihostid = partition.get('forihostid') or partition.get('ihost_uuid')
ihost = pecan.request.dbapi.ihost_get(ihostid)
cutils._check_upgrade(pecan.request.dbapi, ihost)
# Semantic Checks.
_semantic_checks(constants.PARTITION_CMD_DELETE, partition)
if partition.get('status') in constants.PARTITION_STATUS_SEND_DELETE_RPC:
# Set the status of the partition
part_dict = {'status': constants.PARTITION_DELETING_STATUS}
# Mark the partition as deleting and send the request to the host.
try:
pecan.request.dbapi.partition_update(partition['uuid'], part_dict)
# Instruct puppet to implement the change
pecan.request.rpcapi.update_partition_config(pecan.request.context,
partition)
except exception.HTTPNotFound:
msg = _("Marking partition for deletion failed: host %s") %\
(ihost['hostname'])
raise wsme.exc.ClientSideError(msg)
else:
if (partition.get('status') ==
constants.PARTITION_CREATE_ON_UNLOCK_STATUS):
idiskid = partition.get('idisk_id') or partition.get('idisk_uuid')
idisk = pecan.request.dbapi.idisk_get(idiskid)
new_available_mib = idisk.available_mib + partition['size_mib']
pecan.request.dbapi.idisk_update(
idiskid,
{'available_mib': new_available_mib})
# Handle the delete case where the create failed (partitioning issue or
# puppet issue) and we don't have a valid device_path or when the
# partition will be created on unlock. Just delete the partition entry.
try:
pecan.request.dbapi.partition_destroy(partition['uuid'])
except exception.HTTPNotFound:
msg = _("Partition deletion failed for host %s") %\
(ihost['hostname'])
raise wsme.exc.ClientSideError(msg)
def _partition_pre_patch_checks(partition_obj, patch_obj, host_obj):
"""Check current vs. updated parameters."""
# Reject operation if we are upgrading the system.
cutils._check_upgrade(pecan.request.dbapi, host_obj)
for p in patch_obj:
if p['path'] == '/size_mib':
if not cutils.is_int_like(p['value']):
raise wsme.exc.ClientSideError(
_("Requested partition size must be an integer "
"greater than 0: %s ") % p['value'])
if int(p['value']) <= 0:
raise wsme.exc.ClientSideError(
_("Requested partition size must be an integer "
"greater than 0: %s GiB") % (int(p['value']) / 1024))
if int(p['value']) <= partition_obj.size_mib:
raise wsme.exc.ClientSideError(
_("Requested partition size must be larger than current "
"size: %s GiB <= %s GiB") % (int(p['value']) / 1024,
math.floor(float(partition_obj.size_mib) / 1024 * 1000) / 1000.0))