forked from cobbler/cobbler
/
action_hardlink.py
74 lines (58 loc) · 2.61 KB
/
action_hardlink.py
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"""
Hard links cobbler content together to save space.
Copyright 2009, Red Hat, Inc and Others
Michael DeHaan <michael.dehaan AT gmail>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
"""
import os
import utils
from cexceptions import *
import clogger
class HardLinker:
def __init__(self,config,logger=None):
"""
Constructor
"""
#self.config = config
#self.api = config.api
#self.settings = config.settings()
if logger is None:
logger = clogger.Logger()
self.logger = logger
self.distro = utils.check_dist()
if self.distro == "ubuntu" or self.distro == "debian":
self.hardlink = "/usr/bin/hardlink"
self.hardlink_args = "-f -p -o -t -v /var/www/cobbler/ks_mirror /var/www/cobbler/repo_mirror"
else:
self.hardlink = "/usr/sbin/hardlink"
self.hardlink_args = "-c -v /var/www/cobbler/ks_mirror /var/www/cobbler/repo_mirror"
self.hardlink_cmd = "%s %s" % (self.hardlink, self.hardlink_args)
def run(self):
"""
Simply hardlinks directories that are cobbler managed.
This is a /very/ simple command but may grow more complex
and intelligent over time.
"""
# FIXME: if these directories become configurable some
# changes will be required here.
if not os.path.exists(self.hardlink):
utils.die(self.logger,"please install 'hardlink' (%s) to use this feature" % self.hardlink)
self.logger.info("now hardlinking to save space, this may take some time.")
rc = utils.subprocess_call(self.logger,self.hardlink_cmd,shell=True)
# FIXME: how about settings? (self.settings.webdir)
webdir = "/var/www/cobbler"
if os.path.exists("/srv/www"):
webdir = "/srv/www/cobbler"
rc = utils.subprocess_call(self.logger,"/usr/sbin/hardlink -c -v "+webdir+"/ks_mirror /var/www/cobbler/repo_mirror",shell=True)
return rc