+
+ # Snapshot the reference image fs (assume the reference image is in its own
+ # subvolume)
+ command = ['btrfs', 'subvolume', 'snapshot', refImgDir, containerDir]
+ if not logger.log_call(command, timeout=15*60):
+ logger.log('sliver_lxc: ERROR Could not create BTRFS snapshot at', containerDir)
+ return
+ 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")
+ 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...
+
+ # Set hostname. A valid hostname cannot have '_'
+ #with open(os.path.join(containerDir, 'etc/hostname'), 'w') as f:
+ # print >>f, name.replace('_', '-')
+
+ # Add slices group if not already present
+ try:
+ group = grp.getgrnam('slices')
+ except:
+ command = ['/usr/sbin/groupadd', 'slices']
+ logger.log_call(command, timeout=15*60)
+
+ # Add unix account (TYPE is specified in the subclass)
+ command = ['/usr/sbin/useradd', '-g', 'slices', '-s', Sliver_LXC.SHELL, name, '-p', '*']
+ logger.log_call(command, timeout=15*60)
+ command = ['mkdir', '/home/%s/.ssh'%name]
+ logger.log_call(command, timeout=15*60)
+
+ # Create PK pair keys to connect from the host to the guest without
+ # password... maybe remove the need for authentication inside the
+ # guest?
+ command = ['su', '-s', '/bin/bash', '-c', 'ssh-keygen -t rsa -N "" -f /home/%s/.ssh/id_rsa'%(name)]
+ logger.log_call(command, timeout=60)
+
+ command = ['chown', '-R', '%s.slices'%name, '/home/%s/.ssh'%name]
+ logger.log_call(command, timeout=30)
+
+ command = ['mkdir', '%s/root/.ssh'%containerDir]
+ logger.log_call(command, timeout=10)
+
+ 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")
+