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Direktori : /lib/python3/dist-packages/cloudinit/distros/ |
Current File : //lib/python3/dist-packages/cloudinit/distros/rhel_util.py |
# Copyright (C) 2012 Canonical Ltd. # Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P. # Copyright (C) 2012 Yahoo! Inc. # # Author: Scott Moser <scott.moser@canonical.com> # Author: Juerg Haefliger <juerg.haefliger@hp.com> # Author: Joshua Harlow <harlowja@yahoo-inc.com> # # This file is part of cloud-init. See LICENSE file for license information. import logging from cloudinit import util from cloudinit.distros.parsers.sys_conf import SysConf LOG = logging.getLogger(__name__) # Helper function to update a RHEL/SUSE /etc/sysconfig/* file def update_sysconfig_file(fn, adjustments, allow_empty=False): if not adjustments: return (exists, contents) = read_sysconfig_file(fn) updated_am = 0 for (k, v) in adjustments.items(): if v is None: continue v = str(v) if len(v) == 0 and not allow_empty: continue contents[k] = v updated_am += 1 if updated_am: lines = [ str(contents), ] if not exists: lines.insert(0, util.make_header()) util.write_file(fn, "\n".join(lines) + "\n", 0o644) # Helper function to read a RHEL/SUSE /etc/sysconfig/* file def read_sysconfig_file(fn): exists = False try: contents = util.load_text_file(fn).splitlines() exists = True except IOError: contents = [] return (exists, SysConf(contents))