X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sliver_lxc.py;h=d4335c4a831ee06754c2ef6c3f0dc53af466527b;hb=6ea3876af57fbc4f533de28941dc19a90b3a7be2;hp=9c88538558c863771edac730ad2469739b64133d;hpb=dd451f27a57f53eb716aaf3ff9b545953df8882a;p=nodemanager.git diff --git a/sliver_lxc.py b/sliver_lxc.py index 9c88538..d4335c4 100644 --- a/sliver_lxc.py +++ b/sliver_lxc.py @@ -6,19 +6,20 @@ import subprocess import sys import os, os.path import grp +from pwd import getpwnam from string import Template import libvirt import logger -import bwlimit +import plnode.bwlimit as bwlimit from initscript import Initscript from sliver_libvirt import Sliver_Libvirt class Sliver_LXC(Sliver_Libvirt, Initscript): """This class wraps LXC commands""" - SHELL = '/bin/sshsh' + SHELL = '/usr/sbin/vsh' TYPE = 'sliver.LXC' # Need to add a tag at myplc to actually use this account # type = 'sliver.LXC' @@ -90,10 +91,15 @@ class Sliver_LXC(Sliver_Libvirt, Initscript): command = ['chmod', '755', containerDir] logger.log_call(command, timeout=15*60) - # customize prompt for slice owner + # customize prompt for slice owner, + LD_PRELOAD for transparently wrap bind dot_profile=os.path.join(containerDir,"root/.profile") + ld_preload_msg="""# by default, we define this setting so that calls to bind(2), +# when invoked on 0.0.0.0, get transparently redirected to the public interface of this node +# see https://svn.planet-lab.org/wiki/LxcPortForwarding""" with open(dot_profile,'w') as f: f.write("export PS1='%s@\H \$ '\n"%(name)) + f.write("%s\n"%ld_preload_msg) + f.write("export LD_PRELOAD=/etc/planetlab/lib/bind_public.so\n") # TODO: set quotas... @@ -129,6 +135,33 @@ class Sliver_LXC(Sliver_Libvirt, Initscript): command = ['cp', '/home/%s/.ssh/id_rsa.pub'%name, '%s/root/.ssh/authorized_keys'%containerDir] logger.log_call(command, timeout=30) + logger.log("creating /etc/slicename file in %s" % os.path.join(containerDir,'etc/slicename')) + try: + file(os.path.join(containerDir,'etc/slicename'), 'w').write(name) + except: + logger.log_exc("exception while creating /etc/slicename") + + try: + file(os.path.join(containerDir,'etc/slicefamily'), 'w').write(vref) + except: + logger.log_exc("exception while creating /etc/slicefamily") + + uid = None + try: + uid = getpwnam(name).pw_uid + except KeyError: + # keyerror will happen if user id was not created successfully + logger.log_exc("exception while getting user id") + + if uid is not None: + logger.log("uid is %d" % uid) + command = ['mkdir', '%s/home/%s' % (containerDir, name)] + logger.log_call(command, timeout=10) + etcpasswd = os.path.join(containerDir, 'etc/passwd') + if os.path.exists(etcpasswd): + logger.log("adding user %s id %d to %s" % (name, uid, etcpasswd)) + file(etcpasswd,'a').write("%s:x:%d:%d::/home/%s:/bin/bash\n" % (name, uid, uid, name)) + # Lookup for xid and create template after the user is created so we # can get the correct xid based on the name of the slice xid = bwlimit.get_xid(name) @@ -141,10 +174,13 @@ class Sliver_LXC(Sliver_Libvirt, Initscript): else: logger.log("Cannot find XML template %s"%template_filename_sliceimage) return + + interfaces = Sliver_Libvirt.get_interfaces_xml(rec) + try: with open(template_filename) as f: template = Template(f.read()) - xml = template.substitute(name=name, xid=xid) + xml = template.substitute(name=name, interfaces=interfaces) except IOError: logger.log('Failed to parse or use XML template file %s'%template_filename) return