packstack/packstack/installer/utils/shortcuts.py

65 lines
1.7 KiB
Python

# -*- coding: utf-8 -*-
# Licensed 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.
import grp
import os
import pwd
import six
def host_iter(config):
for key, value in six.iteritems(config):
if key.endswith("_HOST"):
host = value.split('/')[0]
if host:
yield key, host
if key.endswith("_HOSTS"):
for i in value.split(","):
host = i.strip().split('/')[0]
if host:
yield key, host
def hosts(config):
result = set()
for key, host in host_iter(config):
result.add(host)
return result
def get_current_user():
try:
user = pwd.getpwnam(os.getlogin())
uid, gid = user.pw_uid, user.pw_gid
except OSError:
# in case program is run by a script
uid, gid = os.getuid(), os.getgid()
return uid, gid
def get_current_username():
uid, gid = get_current_user()
user = pwd.getpwuid(uid).pw_name
group = grp.getgrgid(gid).gr_name
return user, group
def split_hosts(hosts_string):
hosts = set()
for host in hosts_string.split(','):
shost = host.strip()
if shost:
hosts.add(shost)
return hosts