def create_sandbox(self,
context,
container,
key_name=None,
flavor='m1.small',
image='kubernetes/pause',
nics='auto'):
# FIXME(hongbin): We elevate to admin privilege because the default
# policy in nova disallows non-admin users to create instance in
# specified host. This is not ideal because all nova instances will
# be created at service admin tenant now, which breaks the
# multi-tenancy model. We need to fix it.
elevated = context.elevated()
novaclient = nova.NovaClient(elevated)
name = self.get_sandbox_name(container)
if container.host != CONF.host:
raise exception.ZunException(
_("Host mismatch: container should be created at host '%s'.") %
container.host)
# NOTE(hongbin): The format of availability zone is ZONE:HOST:NODE
# However, we just want to specify host, so it is ':HOST:'
az = ':%s:' % container.host
sandbox = novaclient.create_server(name=name,
image=image,
flavor=flavor,
key_name=key_name,
nics=nics,
availability_zone=az)
self._ensure_active(novaclient, sandbox)
sandbox_id = self._find_container_by_server_name(name)
return sandbox_id
def stop_sandbox(self, context, sandbox_id):
elevated = context.elevated()
novaclient = nova.NovaClient(elevated)
server_name = self._find_server_by_container_id(sandbox_id)
if not server_name:
LOG.warning("Cannot find server name for sandbox %s", sandbox_id)
return
novaclient.stop_server(server_name)
def delete_sandbox(self, context, sandbox_id):
elevated = context.elevated()
novaclient = nova.NovaClient(elevated)
server_name = self._find_server_by_container_id(sandbox_id)
if not server_name:
LOG.warning("Cannot find server name for sandbox %s" % sandbox_id)
return
server_id = novaclient.delete_server(server_name)
self._ensure_deleted(novaclient, server_id)
def get_addresses(self, context, container):
elevated = context.elevated()
novaclient = nova.NovaClient(elevated)
sandbox_id = self.get_sandbox_id(container)
if sandbox_id:
server_name = self._find_server_by_container_id(sandbox_id)
if server_name:
# TODO(hongbin): Standardize the format of addresses
return novaclient.get_addresses(server_name)
else:
return None
else:
return None