def show_cluster_role_env(cl_args, cluster, role, env):
try:<EOL><INDENT>result = tracker_access.get_cluster_role_env_topologies(cluster, role, env)<EOL>if not result:<EOL><INDENT>Log.error('<STR_LIT>' % '<STR_LIT:/>'.join([cluster, role, env]))<EOL>return False<EOL><DEDENT>result = result[cluster]<EOL><DEDENT>except Exception:<EOL><INDENT>Log.error("<STR_LIT>", cl_args["<STR_LIT>"])<EOL>return False<EOL><DEDENT>table, header, rest_count = to_table(result)<EOL>print('<STR_LIT>' % (cluster, role, env))<EOL>if rest_count:<EOL><INDENT>print('<STR_LIT>' % rest_count)<EOL><DEDENT>print(tabulate(table, headers=header))<EOL>return True<EOL>
print topologies information to stdout