def _get_mount_chain(driver, instance_id, volume_id, device, mount_location):
driverCls = driver.__class__
provider = driver.provider
identity = driver.identity
pre_mount_status = update_volume_metadata.si(driverCls, provider, identity,
volume_id,
{'tmp_status': 'mounting'})
pre_mount = check_volume_task.si(driverCls, provider, identity,
instance_id, volume_id)
mount = mount_task.si(driverCls, provider, identity, instance_id,
volume_id, device, mount_location)
post_mount = update_mount_location.s(driverCls, provider, identity,
volume_id)
post_mount_status = update_volume_metadata.si(driverCls, provider,
identity, volume_id,
{'tmp_status': ''})
# Error Links
pre_mount_status.link_error(
mount_failed.s(driverCls, provider, identity, volume_id))
pre_mount.link_error(
mount_failed.s(driverCls, provider, identity, volume_id))
mount.link_error(mount_failed.s(driverCls, provider, identity, volume_id))
post_mount.link_error(
mount_failed.s(driverCls, provider, identity, volume_id))
post_mount_status.link_error(
mount_failed.s(driverCls, provider, identity, volume_id))
# Make a chain with link
pre_mount_status.link(pre_mount)
pre_mount.link(mount)
mount.link(post_mount)
post_mount.link(post_mount_status)
# Return the head node
return pre_mount_status
def _get_mount_chain(
core_identity, driver, instance_id, volume_id, device_location,
mount_location
):
driverCls = driver.__class__
provider = driver.provider
identity = driver.identity
core_provider = core_identity.provider
fs_type = core_provider.get_config("deploy", "volume_fs_type", "ext4")
mount_prefix = core_provider.get_config(
"deploy", "volume_mount_prefix", "/vol_"
)
pre_mount_status = update_volume_metadata.si(
driverCls, provider, identity, volume_id, {'tmp_status': 'mounting'}
)
pre_mount = check_volume_task.si(
driverCls, provider, identity, instance_id, volume_id, fs_type
)
mount = mount_volume_task.si(
driverCls,
provider,
identity,
instance_id,
volume_id,
device_location,
mount_location,
fs_type,
mount_prefix=mount_prefix
)
post_mount = update_mount_location.s(
driverCls, provider, identity, volume_id
)
post_mount_status = update_volume_metadata.si(
driverCls, provider, identity, volume_id, {'tmp_status': ''}
)
# Error Links
pre_mount_status.link_error(
mount_failed.s(driverCls, provider, identity, volume_id)
)
pre_mount.link_error(
mount_failed.s(driverCls, provider, identity, volume_id)
)
mount.link_error(mount_failed.s(driverCls, provider, identity, volume_id))
post_mount.link_error(
mount_failed.s(driverCls, provider, identity, volume_id)
)
post_mount_status.link_error(
mount_failed.s(driverCls, provider, identity, volume_id)
)
# Make a chain with link
pre_mount_status.link(pre_mount)
pre_mount.link(mount)
mount.link(post_mount)
post_mount.link(post_mount_status)
# Return the head node
return pre_mount_status
def _get_mount_chain(core_identity, driver, instance_id, volume_id, device_location, mount_location):
driverCls = driver.__class__
provider = driver.provider
identity = driver.identity
core_provider = core_identity.provider
fs_type = core_provider.get_config("deploy", "volume_fs_type", "ext4")
mount_prefix = core_provider.get_config("deploy", "volume_mount_prefix", "/vol_")
pre_mount_status = update_volume_metadata.si(
driverCls, provider, identity,
volume_id, {'tmp_status': 'mounting'})
pre_mount = check_volume_task.si(
driverCls, provider, identity,
instance_id, volume_id, fs_type)
mount = mount_task.si(
driverCls, provider, identity,
instance_id, volume_id, device_location, mount_location, fs_type,
mount_prefix=mount_prefix)
post_mount = update_mount_location.s(
driverCls, provider, identity, volume_id)
post_mount_status = update_volume_metadata.si(
driverCls, provider, identity,
volume_id, {'tmp_status': ''})
# Error Links
pre_mount_status.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
pre_mount.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
mount.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
post_mount.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
post_mount_status.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
# Make a chain with link
pre_mount_status.link(pre_mount)
pre_mount.link(mount)
mount.link(post_mount)
post_mount.link(post_mount_status)
# Return the head node
return pre_mount_status
def _get_mount_chain(driver, instance_id, volume_id, device, mount_location):
driverCls = driver.__class__
provider = driver.provider
identity = driver.identity
pre_mount_status = update_volume_metadata.si(
driverCls, provider, identity,
volume_id, {'tmp_status':'mounting'})
pre_mount = check_volume_task.si(
driverCls, provider, identity,
instance_id, volume_id)
mount = mount_task.si(
driverCls, provider, identity,
instance_id, volume_id, device, mount_location)
post_mount = update_mount_location.s(
driverCls, provider, identity, volume_id)
post_mount_status = update_volume_metadata.si(
driverCls, provider, identity,
volume_id, {'tmp_status':''})
#Error Links
pre_mount_status.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
pre_mount.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
mount.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
post_mount.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
post_mount_status.link_error(
mount_failed.s(
driverCls, provider, identity, volume_id))
# Make a chain with link
pre_mount_status.link(pre_mount)
pre_mount.link(mount)
mount.link(post_mount)
post_mount.link(post_mount_status)
#Return the head node
return pre_mount_status