def launch_topologies(cl_args, topology_file, tmp_dir):
'''
Launch topologies
:param cl_args:
:param topology_file:
:param tmp_dir:
:return:
'''
# the submitter would have written the .defn file to the tmp_dir
defn_files = glob.glob(tmp_dir + '/*.defn')
if len(defn_files) == 0:
raise Exception("No topologies found")
try:
for defn_file in defn_files:
# load the topology definition from the file
topology_defn = topology_pb2.Topology()
try:
handle = open(defn_file, "rb")
topology_defn.ParseFromString(handle.read())
handle.close()
except:
raise Exception(
"Could not open and parse topology defn file %s" %
defn_file)
# launch the topology
try:
Log.info("Launching topology \'%s\'" % topology_defn.name)
launch_a_topology(cl_args, tmp_dir, topology_file, defn_file)
Log.info("Topology \'%s\' launched successfully" %
topology_defn.name)
except Exception as ex:
Log.exception('Failed to launch topology \'%s\' because %s' %
(topology_defn.name, str(ex)))
raise
except:
raise
def launch_topologies(cl_args, topology_file, tmp_dir):
'''
Launch topologies
:param cl_args:
:param topology_file:
:param tmp_dir:
:return:
'''
# the submitter would have written the .defn file to the tmp_dir
defn_files = glob.glob(tmp_dir + '/*.defn')
if len(defn_files) == 0:
raise Exception("No topologies found")
try:
for defn_file in defn_files:
# load the topology definition from the file
topology_defn = topology_pb2.Topology()
try:
handle = open(defn_file, "rb")
topology_defn.ParseFromString(handle.read())
handle.close()
except:
raise Exception("Could not open and parse topology defn file %s" % defn_file)
# launch the topology
try:
Log.info("Launching topology \'%s\'" % topology_defn.name)
launch_a_topology(cl_args, tmp_dir, topology_file, defn_file)
Log.info("Topology \'%s\' launched successfully" % topology_defn.name)
except Exception as ex:
Log.exception('Failed to launch topology \'%s\' because %s' % (topology_defn.name, str(ex)))
raise
except:
raise
