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From svarnau <...@git.apache.org>
Subject [GitHub] incubator-trafodion pull request #807: [TRAFODION-1839] Trafodion Installer ...
Date Tue, 01 Nov 2016 22:25:38 GMT
Github user svarnau commented on a diff in the pull request:

    https://github.com/apache/incubator-trafodion/pull/807#discussion_r86029193
  
    --- Diff: install/python-installer/common.py ---
    @@ -0,0 +1,479 @@
    +#!/usr/bin/env python
    +
    +# @@@ START COPYRIGHT @@@
    +#
    +# 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.
    +#
    +# @@@ END COPYRIGHT @@@
    +
    +### The common functions ###
    +
    +import os
    +import pty
    +import sys
    +import json
    +import re
    +import time
    +import base64
    +import subprocess
    +import logging
    +try:
    +    import xml.etree.cElementTree as ET
    +except ImportError:
    +    import xml.etree.ElementTree as ET
    +from ConfigParser import ConfigParser
    +from collections import defaultdict
    +
    +__VERSION__ = 'v1.0.0'
    +INSTALLER_LOC = sys.path[0]
    +
    +USER_PROMPT_FILE = INSTALLER_LOC + '/prompt.json'
    +SCRCFG_FILE = INSTALLER_LOC + '/script.json'
    +VERSION_FILE = INSTALLER_LOC + '/version.json'
    +MODCFG_FILE = INSTALLER_LOC + '/mod_cfgs.json'
    +
    +DBCFG_FILE = INSTALLER_LOC + '/db_config'
    +DBCFG_TMP_FILE = INSTALLER_LOC + '/.db_config_temp'
    +
    +TMP_DIR = '/tmp/.install'
    +MARK = '[ERR]'
    +
    +def version():
    +    print 'Installer version: %s' % __VERSION__
    +    exit(0)
    +
    +def ok(msg):
    +    print '\n\33[32m***[OK]: %s \33[0m' % msg
    +
    +def info(msg):
    +    print '\n\33[33m***[INFO]: %s \33[0m' % msg
    +
    +def err_m(msg):
    +    """ used by main script """
    +    sys.stderr.write('\n\33[31m***[ERROR]: %s \33[0m\n' % msg)
    +    sys.exit(1)
    +
    +def err(msg):
    +    """ used by sub script """
    +    sys.stderr.write(MARK + msg)
    +    sys.exit(1)
    +
    +def get_logger(log_file):
    +
    +    log_dir = os.path.dirname(log_file)
    +    if not os.path.exists(log_dir): os.mkdir(log_dir)
    +
    +    logger = logging.getLogger()
    +    logger.setLevel(logging.INFO)
    +
    +    formatter = logging.Formatter('[%(asctime)s %(levelname)s]: %(message)s')
    +
    +    fh = logging.FileHandler(log_file)
    +    fh.setFormatter(formatter)
    +
    +    logger.addHandler(fh)
    +
    +    return logger
    +
    +def run_cmd(cmd):
    +    """ check command return value and return stdout """
    +    p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
shell=True)
    +    stdout, stderr = p.communicate()
    +    if p.returncode != 0:
    +        err('Failed to run command %s: %s' % (cmd, stderr))
    +    return stdout.strip()
    +
    +def run_cmd_as_user(user, cmd):
    +    return run_cmd('sudo su - %s -c \'%s\'' % (user, cmd))
    +
    --- End diff --
    
    Probably want to use -n (non-interactive) option to sudo, so we never get password prompt,
etc.


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