-#
+#
"""VServer slivers.
import errno
import traceback
import os, os.path
+import sys
import time
from threading import BoundedSemaphore
+import subprocess
# the util-vserver-pl module
import vserver
logger.log_exc("sliver_vs:__init__ (first chance) %s",name=name)
logger.log('sliver_vs: %s: recreating bad vserver' % name)
self.destroy(name)
- self.create(name, rec['vref'])
+ self.create(name, rec)
logger.log("sliver_vs: %s: second chance..."%name)
vserver.VServer.__init__(self, name,logfile='/var/log/nodemanager')
self.configure(rec)
@staticmethod
- def create(name, vref = None):
+ def create(name, rec = None):
logger.verbose('sliver_vs: %s: create'%name)
+ vref = rec['vref']
if vref is None:
logger.log("sliver_vs: %s: ERROR - no vref attached, this is unexpected"%(name))
# added by caglar
personality="linux64"
return personality
+ command=[]
+ # be verbose
+ command += ['/bin/bash','-x',]
+ command += ['/usr/sbin/vuseradd', ]
+ if 'attributes' in rec and 'isolate_loopback' in rec['attributes'] and rec['attributes']['isolate_loopback'] == '1':
+ command += [ "-i",]
+ # the vsliver imge to use
+ command += [ '-t', vref, ]
+ # slice name
+ command += [ name, ]
# logger.log_call(['/usr/sbin/vuseradd', '-t', vref, name, ], timeout=15*60)
- logger.log_call(['/bin/bash','-x','/usr/sbin/vuseradd', '-t', vref, name, ], timeout=15*60)
+ logger.log_call(command, timeout=15*60)
# export slicename to the slice in /etc/slicename
file('/vservers/%s/etc/slicename' % name, 'w').write(name)
file('/vservers/%s/etc/slicefamily' % name, 'w').write(vref)
logger.log_call(['/bin/bash','-x','/usr/sbin/vuserdel', name, ])
def configure(self, rec):
+ # in case we update nodemanager..
+ self.install_and_enable_vinit()
+
new_rspec = rec['_rspec']
if new_rspec != self.rspec:
self.rspec = new_rspec
rc3_link="/vservers/%s/etc/rc.d/rc3.d/S99vinit"%self.name
rc3_target="../init.d/vinit"
# install in sliver
- body=file(vinit_source).read()
- if tools.replace_file_with_string(vinit_script,body,chmod=0755):
+ code=file(vinit_source).read()
+ if tools.replace_file_with_string(vinit_script,code,chmod=0755):
logger.log("vsliver_vs: %s: installed generic vinit rc script"%self.name)
# create symlink for runlevel 3
if not os.path.islink(rc3_link):
except:
logger.log_exc("vsliver_vs: %s: failed to create runlevel3 symlink %s"%rc3_link)
+ def rerun_slice_vinit(self):
+ command = "/usr/sbin/vserver %s exec /etc/rc.d/init.d/vinit restart" % (self.name)
+ logger.log("vsliver_vs: %s: Rerunning slice initscript: %s" % (self.name, command))
+ subprocess.call(command + "&", stdin=open('/dev/null', 'r'), stdout=open('/dev/null', 'w'), stderr=subprocess.STDOUT, shell=True)
+
# this one checks for the existence of the slice initscript
# install or remove the slice inistscript, as instructed by the initscript tag
def refresh_slice_vinit(self):
- body=self.initscript
+ code=self.initscript
sliver_initscript="/vservers/%s/etc/rc.d/init.d/vinit.slice"%self.name
- if tools.replace_file_with_string(sliver_initscript,body,remove_if_empty=True,chmod=0755):
- if body:
+ if tools.replace_file_with_string(sliver_initscript,code,remove_if_empty=True,chmod=0755):
+ if code:
logger.log("vsliver_vs: %s: Installed new initscript in %s"%(self.name,sliver_initscript))
+ if self.is_running():
+ # Only need to rerun the initscript if the vserver is
+ # already running. If the vserver isn't running, then the
+ # initscript will automatically be started by
+ # /etc/rc.d/vinit when the vserver is started.
+ self.rerun_slice_vinit()
else:
logger.log("vsliver_vs: %s: Removed obsolete initscript %s"%(self.name,sliver_initscript))
-
+
# bind mount root side dir to sliver side
# needs to be done before sliver starts
def expose_ssh_dir (self):
try:
- root_ssh="/home/%s/.ssh"
+ root_ssh="/home/%s/.ssh"%self.name
sliver_ssh="/vservers/%s/home/%s/.ssh"%(self.name,self.name)
# any of both might not exist yet
- for path in [root_ssh,sliver_ssh]:
+ for path in [root_ssh,sliver_ssh]:
if not os.path.exists (path):
os.mkdir(path)
if not os.path.isdir (path):
if mounts.find(sliver_ssh)<0:
# xxx perform mount
subprocess.call("mount --bind -o ro %s %s"%(root_ssh,sliver_ssh),shell=True)
+ logger.log("expose_ssh_dir: %s mounted into slice %s"%(root_ssh,self.name))
except:
- logger.log("expose_ssh_dir with slice %s failed"%self.name)
+ logger.log_exc("expose_ssh_dir with slice %s failed"%self.name)
def start(self, delay=0):
if self.rspec['enabled'] <= 0:
time.sleep(delay)
# the generic /etc/init.d/vinit script is permanently refreshed, and enabled
self.install_and_enable_vinit()
- self.expose_ssh_dir()
+ # expose .ssh for omf_friendly slivers
+ if 'omf_control' in self.rspec['tags']:
+ self.expose_ssh_dir()
# if a change has occured in the slice initscript, reflect this in /etc/init.d/vinit.slice
self.refresh_slice_vinit()
child_pid = os.fork()
if self.rspec['ip_addresses'] != '0.0.0.0':
logger.log('sliver_vs: %s: setting IP address(es) to %s' % \
(self.name, self.rspec['ip_addresses']))
- self.set_ipaddresses_config(self.rspec['ip_addresses'])
+ add_loopback = True
+ if 'isolate_loopback' in self.rspec['tags']:
+ add_loopback = self.rspec['tags']['isolate_loopback'] != "1"
+ self.set_ipaddresses_config(self.rspec['ip_addresses'], add_loopback)
#logger.log("sliver_vs: %s: Setting name to %s" % (self.name, self.slice_id))
#self.setname(self.slice_id)
git://git.onelab.eu / nodemanager.git / blobdiff