def migrate_project_keypairs(context, flow, tenant_id):
tenant = context.src_cloud.keystone.tenants.get(tenant_id)
users = context.src_cloud.keystone.users.list(tenant_id)
for user in users:
if user.id == context.src_cloud.keystone.auth_ref.user_id:
continue
# XXX(akscram): Works only for users' passowrd which are equal
# to "default".
cloud = context.src_cloud.restrict(username=user.name,
password="******",
tenant_name=tenant.name)
keypairs = cloud.nova.keypairs.list()
for keypair in keypairs:
keypair_tasks.migrate_keypair(context, flow, tenant_id, user.id,
keypair.name)
def reprovision_server(context, server, server_nics):
flavor_ensure = "flavor-{}-ensure".format(server.flavor["id"])
user_ensure = "user-{}-ensure".format(server.user_id)
tenant_ensure = "tenant-{}-ensure".format(server.tenant_id)
server_id = server.id
server_start_event = "server-{}-start-event".format(server_id)
server_finish_event = "server-{}-finish-event".format(server_id)
server_binding = "server-{}".format(server_id)
server_retrieve = "server-{}-retrieve".format(server_id)
server_suspend = "server-{}-suspend".format(server_id)
server_terminate = "server-{}-terminate".format(server_id)
server_boot = "server-{}-boot".format(server_id)
server_sync = "server-{}-sync".format(server_id)
server_dm = "{}-device-mapping".format(server_binding)
server_volumes = "{}-volumes".format(server_binding)
volumes_delete = "{}-volumes-delete".format(server_binding)
pre_suspend_tasks, pre_suspend_sync, pre_boot_tasks, image_ensure = \
provision_server(context, server)
if server.key_name:
keypair_ensure = "keypair-{}-ensure".format(server.key_name)
keypair_flow = keypair_tasks.migrate_keypair(context, None,
server.tenant_id,
server.user_id,
server.key_name)
if keypair_flow is not None:
pre_suspend_tasks += [keypair_flow]
else:
keypair_ensure = "keypair-server-{}-ensure".format(server_id)
context.store[keypair_ensure] = None
migrate_server_volumes = volume_tasks.migrate_server_volumes(
context,
server_id,
getattr(server,
"os-extended-volumes:volumes_attached"),
server.user_id,
server.tenant_id)
pre_boot_tasks = pre_boot_tasks + [migrate_server_volumes]
flow = linear_flow.Flow("migrate-server-{}".format(server_id))
# NOTE(akscram): The synchronization point avoids excessive downtime
# of the server.
flow.add(
task_utils.SyncPoint(name=server_sync,
requires=[flavor_ensure] + pre_suspend_sync),
ServerStartMigrationEvent(context.src_cloud,
name=server_start_event,
rebind=[server_retrieve]),
RetrieveServer(context.src_cloud,
name=server_binding,
provides=server_binding,
rebind=[server_retrieve]),
SuspendServer(context.src_cloud,
name=server_suspend,
provides=server_suspend,
rebind=[server_binding]),
)
if pre_boot_tasks:
flow.add(*pre_boot_tasks)
flow.add(
BootServerFromImage(context.dst_cloud,
name=server_boot,
provides=server_boot,
rebind=[server_suspend, image_ensure,
flavor_ensure, keypair_ensure,
user_ensure, tenant_ensure,
server_nics, server_dm]),
)
restore_floating_ips = network_manager(context, server.to_dict())
if restore_floating_ips:
flow.add(restore_floating_ips)
flow.add(
TerminateServer(context.src_cloud,
name=server_terminate,
rebind=[server_suspend]))
if context.config.get("delete_source_volumes"):
flow.add(volume_tasks.DeleteServerVolumes(context.src_cloud,
name=volumes_delete,
rebind=[server_volumes],
requires=[server_boot]))
context.store[server_retrieve] = server_id
return pre_suspend_tasks, flow