def register_with_mgt_backends(backend_names, manager_list,
deployment_home,
sudo_password=None,
upgrade=False):
svc_id_set = set() # set of all service ids
svc_list = [] # list of managers that are services, in dependency order
resource_list = [] # list of all resources, including services and non-services
for mgr in manager_list:
resource_list.append(mgr.metadata)
if mgr.is_service():
svc_list.append(mgr)
svc_id_set.add(mgr.metadata.id)
dependencies = install_plan.get_resource_dependencies(resource_list)
service_info = []
for svc in svc_list:
service_info.append(ServiceInfo(svc.metadata.id,
svc.package_name,
# we only include dependencies that are
# services
[sid for sid in
ifilter(lambda sid: sid in svc_id_set,
dependencies[svc.metadata.id])],
svc.get_pid_file_path()))
mgt_info = ManagementInfo(deployment_home,
os.path.join(deployment_home, "engage/bin/svcctl"),
service_info)
backends = backend_names.split(",")
for backend in backends:
logger.info("Registering with management backend '%s'" % backend)
module_name = "engage.mgt_backends." + backend
m = fileutils.import_module(module_name)
m.register(mgt_info, sudo_password=sudo_password, upgrade=upgrade)
def validate_backend_names(backend_names, parser):
"""Check that the management backend is valid. Call the
error method on the option parser if there is a problem.
"""
backends = backend_names.split(",")
for backend in backends:
if backend=="mgt_info":
parser.error("'mgt_info' is not a valid management backend")
module_name = "engage.mgt_backends." + backend
try:
m = fileutils.import_module(module_name)
except ImportError:
parser.error("Management backend '%s' not found" % backend)
if not hasattr(m, "register"):
parser.error("Management backend module %s found, but is missing register function" % module_name)
