X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sliver_vs.py;h=57de4f944365fe7165a03ea1b159ad51e078cee6;hb=708ec62da1637af72da57e5755790713381c1db1;hp=919fe3f8e0e6552e18fa1b4a725762039bff7e45;hpb=4f5099becc931a0b86a1bf97e11d70e0207565aa;p=nodemanager.git diff --git a/sliver_vs.py b/sliver_vs.py index 919fe3f..57de4f9 100644 --- a/sliver_vs.py +++ b/sliver_vs.py @@ -19,6 +19,7 @@ don't have to guess if there is a running process or not. import errno import traceback import os, os.path +import sys import time import vserver @@ -27,6 +28,7 @@ import accounts import logger import tools from threading import BoundedSemaphore +import subprocess globalsem = BoundedSemaphore() @@ -148,6 +150,9 @@ class Sliver_VS(accounts.Account, vserver.VServer): def destroy(name): logger.log_call('/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 @@ -182,6 +187,11 @@ class Sliver_VS(accounts.Account, vserver.VServer): 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): @@ -190,6 +200,12 @@ class Sliver_VS(accounts.Account, vserver.VServer): if tools.replace_file_with_string(sliver_initscript,body,remove_if_empty=True,chmod=0755): if body: 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)) @@ -220,7 +236,7 @@ class Sliver_VS(accounts.Account, vserver.VServer): def is_running(self): return vserver.VServer.is_running(self) - def set_resources(self,setup=False): + def set_resources(self): disk_max = self.rspec['disk_max'] logger.log('%s: setting max disk usage to %d KiB' % (self.name, disk_max)) try: # if the sliver is over quota, .set_disk_limit will throw an exception @@ -257,30 +273,29 @@ class Sliver_VS(accounts.Account, vserver.VServer): cpu_pct = self.rspec['cpu_pct'] cpu_share = self.rspec['cpu_share'] - if setup: - count = 1 - for key in self.rspec.keys(): - if key.find('sysctl.') == 0: - sysctl=key.split('.') + count = 1 + for key in self.rspec.keys(): + if key.find('sysctl.') == 0: + sysctl=key.split('.') + try: + # /etc/vservers//sysctl// + dirname = "/etc/vservers/%s/sysctl/%s" % (self.name, count) try: - # /etc/vservers//sysctl// - dirname = "/etc/vservers/%s/sysctl/%s" % (self.name, count) - try: - os.makedirs(dirname, 0755) - except: - pass - setting = open("%s/setting" % dirname, "w") - setting.write("%s\n" % key.lstrip("sysctl.")) - setting.close() - value = open("%s/value" % dirname, "w") - value.write("%s\n" % self.rspec[key]) - value.close() - count += 1 - - logger.log("sliver_vs: %s: writing %s=%s"%(self.name,key,self.rspec[key])) - except IOError, e: - logger.log("sliver_vs: %s: could not set %s=%s"%(self.name,key,self.rspec[key])) - logger.log("sliver_vs: %s: error = %s"%(self.name,e)) + os.makedirs(dirname, 0755) + except: + pass + setting = open("%s/setting" % dirname, "w") + setting.write("%s\n" % key.lstrip("sysctl.")) + setting.close() + value = open("%s/value" % dirname, "w") + value.write("%s\n" % self.rspec[key]) + value.close() + count += 1 + + logger.log("sliver_vs: %s: writing %s=%s"%(self.name,key,self.rspec[key])) + except IOError, e: + logger.log("sliver_vs: %s: could not set %s=%s"%(self.name,key,self.rspec[key])) + logger.log("sliver_vs: %s: error = %s"%(self.name,e)) if self.rspec['enabled'] > 0: