| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from __future__ import print_function |
| |
| import json |
| import copy |
| import getpass |
| import os.path |
| |
| from Ssh import SSHConnection, SSHSet |
| |
| local = None |
| qfile_set = None |
| other_set = None |
| remote_set = None |
| all_set = None |
| |
| master_base_path = None |
| host_base_path = None |
| java_home = None |
| |
| def load(config_file = '~/.hive_ptest.conf'): |
| global local, qfile_set, other_set, remote_set, all_set |
| global master_base_path, host_base_path, java_home |
| |
| config_file = os.path.expanduser(config_file) |
| |
| cfg = None |
| try: |
| with open(config_file) as f: |
| cfg = json.loads(f.read()) |
| |
| host_nodes = {} |
| def get_node(host): |
| if not host in host_nodes: |
| host_nodes[host] = -1 |
| host_nodes[host] += 1 |
| return SSHConnection(host, host_nodes[host]) |
| |
| qfile = [] |
| for (host, num, ) in cfg['qfile_hosts']: |
| for i in range(num): |
| qfile.append(get_node(host)) |
| |
| other = [] |
| for (host, num, ) in cfg['other_hosts']: |
| for i in range(num): |
| other.append(get_node(host)) |
| |
| local = SSHConnection('localhost') |
| |
| qfile_set = SSHSet(qfile) |
| other_set = SSHSet(other) |
| |
| # Make copies, otherwise they they will be passed by reference and |
| # reused. Reuse is bad - you don't want `cd` on remote_set to affect |
| # anything in the all_set. |
| |
| remote_set = SSHSet(copy.copy(qfile)) |
| remote_set.add(copy.copy(other)) |
| |
| all_set = SSHSet(copy.copy(qfile)) |
| all_set.add(copy.copy(other)) |
| all_set.add(local) |
| |
| master_base_path = cfg['master_base_path'] |
| host_base_path = cfg['host_base_path'] + '-' + getpass.getuser() |
| java_home = cfg['java_home'] |
| except Exception as e: |
| raise Exception('Failed to parse your configuration file (' + |
| config_file + '). Maybe you forgot the `--config` switch?', e) |