X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sliver_lxc.py;h=efde66c00bded0b45364a97c549e6443ada7bc8f;hb=ba280c93fc9b9274e95f290abd625a46cea5f29d;hp=96b757fe126349e49295ccb40ade0ee7f1185861;hpb=3b76d31d826d7dd41d6f992c777c591a0d89bdb6;p=nodemanager.git diff --git a/sliver_lxc.py b/sliver_lxc.py index 96b757f..efde66c 100644 --- a/sliver_lxc.py +++ b/sliver_lxc.py @@ -15,6 +15,7 @@ import libvirt import logger import plnode.bwlimit as bwlimit from initscript import Initscript +from account import Account from sliver_libvirt import Sliver_Libvirt class Sliver_LXC(Sliver_Libvirt, Initscript): @@ -47,6 +48,9 @@ class Sliver_LXC(Sliver_Libvirt, Initscript): return # the generic /etc/init.d/vinit script is permanently refreshed, and enabled self.install_and_enable_vinit() + # expose .ssh for omf_friendly slivers + if 'tags' in self.rspec and 'omf_control' in self.rspec['tags']: + Account.mount_ssh_dir(self.name) Sliver_Libvirt.start (self, delay) # if a change has occured in the slice initscript, reflect this in /etc/init.d/vinit.slice self.refresh_slice_vinit() @@ -69,6 +73,14 @@ class Sliver_LXC(Sliver_Libvirt, Initscript): # pldistro = lxc # fcdistro = squeeze # arch x86_64 + + arch = 'x86_64' + tags = rec['rspec']['tags'] + if 'arch' in tags: + arch = tags['arch'] + if arch == 'i386': + arch = 'i686' + vref = rec['vref'] if vref is None: logger.log('sliver_libvirt: %s: WARNING - no vref attached defaults to lxc-f14' % (name)) @@ -92,15 +104,51 @@ class Sliver_LXC(Sliver_Libvirt, Initscript): command = ['chmod', '755', containerDir] logger.log_call(command, timeout=15*60) - # customize prompt for slice owner, + LD_PRELOAD for transparently wrap bind - dot_profile=os.path.join(containerDir,"root/.profile") + # customizations for the user environment - root or slice uid + # we save the whole business in /etc/planetlab.profile + # and source this file for both root and the slice uid's .profile + # prompt for slice owner, + LD_PRELOAD for transparently wrap bind + pl_profile=os.path.join(containerDir,"etc/planetlab.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: + usrmove_path_msg="""# VM's before Features/UsrMove need /bin and /sbin in their PATH""" + usrmove_path_code=""" +pathmunge () { + if ! echo $PATH | /bin/egrep -q "(^|:)$1($|:)" ; then + if [ "$2" = "after" ] ; then + PATH=$PATH:$1 + else + PATH=$1:$PATH + fi + fi +} +pathmunge /bin after +pathmunge /sbin after +unset pathmunge +""" + with open(pl_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") + f.write("%s\n"%usrmove_path_msg) + f.write("%s\n"%usrmove_path_code) + + # make sure this file is sourced from both root's and slice's .profile + enforced_line = "[ -f /etc/planetlab.profile ] && source /etc/planetlab.profile\n" + for path in [ 'root/.profile', 'home/%s/.profile'%name ]: + from_root=os.path.join(containerDir,path) + # if dir is not yet existing let's forget it for now + if not os.path.isdir(os.path.dirname(from_root)): continue + found=False + try: + contents=file(from_root).readlines() + for content in contents: + if content==enforced_line: found=True + except IOError: pass + if not found: + with open(from_root,"a") as user_profile: + user_profile.write(enforced_line) # TODO: set quotas... @@ -192,7 +240,7 @@ class Sliver_LXC(Sliver_Libvirt, Initscript): try: with open(template_filename) as f: template = Template(f.read()) - xml = template.substitute(name=name, interfaces=interfaces) + xml = template.substitute(name=name, xid=xid, interfaces=interfaces, arch=arch) except IOError: logger.log('Failed to parse or use XML template file %s'%template_filename) return @@ -208,6 +256,8 @@ class Sliver_LXC(Sliver_Libvirt, Initscript): @staticmethod def destroy(name): + # umount .ssh directory - only if mounted + Account.umount_ssh_dir(name) logger.verbose ('sliver_lxc: %s destroy'%(name)) conn = Sliver_Libvirt.getConnection(Sliver_LXC.TYPE)