--- /dev/null
+#!/bin/bash
+#
+# $Id$
+# $URL$
+#
+# vinit - trigger the slice-local initscript as installed in /etc/rc.d/vinit.slice
+#
+# this is unconditionnally installed and activated in the sliver
+# but of course nothing is run if the script is not present
+#
+# note - for practical reasons this is *not* activated through chkconfig
+# as the slice has not yet started at that point
+#
+# historical note
+# historically planetlab initscripts have not been required to handle the 'stop' method
+# so installing such a script directly as /etc/rc.d/vinit would result in the
+# script .. being run a second time at vserver-stop time
+
+
+# Source function library.
+. /etc/init.d/functions
+
+slicescript=/etc/rc.d/init.d/vinit.slice
+basename=$(basename $slicescript)
+slicename=$(cat /etc/slicename)
+
+prog="Slice initscript ${basename}@${slicename}"
+lockfile=/var/lock/subsys/vinit
+
+RETVAL=0
+
+function start() {
+ if [ ! -x $slicescript ] ; then
+ echo "vinit@$slicename: no executable $slicescript - ignored"
+ return 0
+ fi
+ echo $"Starting $prog"
+ $slicescript start $slicename >& /var/log/vinit &
+ touch ${lockfile}
+ return 0
+}
+
+# the initial model came without a stop function; legacy ...
+function stop() {
+ echo $"(Dummy) Stopping $prog "
+ rm -f ${lockfile}
+}
+
+function status () {
+ if [ -f ${lockfile} ] ; then
+ echo "$prog seems to have run"
+ return 0
+ else
+ echo "$prog apparently hasn't run"
+ return 1
+ fi
+}
+
+case "$1" in
+ start)
+ start
+ RETVAL=$?
+ ;;
+ stop)
+ stop
+ RETVAL=$?
+ ;;
+ status)
+ status
+ RETVAL=$?
+ ;;
+ *)
+ echo $"Usage: $0 {start|stop|status}"
+ exit 1
+ ;;
+esac
+
+exit $RETVAL
accounts.Account.configure(self, rec) # install ssh keys
+ # mimicking chkconfig for enabling the generic vinit script
+ # this is hardwired for runlevel 3
+ def install_and_enable_vinit (self):
+ vinit_source="/usr/share/NodeManager/sliver-initscripts/vinit"
+ vinit_script="/vservers/%s/etc/rc.d/init.d/vinit"%self.name
+ rc3_link="/vservers/%s/etc/rc.d/rc3.d/S99vinit"%self.name
+ rc3_target="../init.d/vinit"
+ # install in sliver
+ try:
+ logger.log("vsliver_vs: %s: installing generic vinit rc script"%self.name)
+ body=file(vinit_source).read()
+ flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
+ fd = os.open(vinit_script, flags, 0755)
+ os.write(fd, body)
+ os.close(fd)
+ except:
+ logger.log_exc("vsliver_vs: %s: could not install generic vinit script"%self.name)
+ # create symlink for runlevel 3
+ if not os.path.islink(rc3_link):
+ try:
+ logger.log("vsliver_vs: %s: installing generic vinit rc script"%self.name)
+ os.symlink(rc3_target,rc3_link)
+ except:
+ logger.log_exc("vsliver_vs: %s: failed to install runlevel3 link")
+
+
def start(self, delay=0):
- if self.rspec['enabled'] > 0:
+ if self.rspec['enabled'] <= 0:
+ logger.log('sliver_vs: not starting %s, is not enabled'%self.name)
+ else:
logger.log('sliver_vs: %s: starting in %d seconds' % (self.name, delay))
time.sleep(delay)
# VServer.start calls fork() internally,
child_pid = os.fork()
if child_pid == 0:
if self.initscriptchanged:
- logger.log('sliver_vs: %s: installing initscript' % self.name)
- def install_initscript():
- flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
- fd = os.open('/etc/rc.vinit', flags, 0755)
- os.write(fd, self.initscript)
- os.close(fd)
- try:
- self.chroot_call(install_initscript)
- except: logger.log_exc("sliver_vs: start",name=self.name)
- tools.close_nonstandard_fds()
- vserver.VServer.start(self)
- os._exit(0)
+ # unconditionnally install and enable the generic vinit script
+ # this one checks for the existence of the slice initscript
+ self.install_and_enable_vinit()
+ # install or remove the slice inistscript, as instructed by the initscript tag
+ sliver_initscript="/vservers/%s/etc/rc.d/init.d/vinit.slice"%self.name
+ if not self.initscript:
+ logger.log("sliver_vs: %s: unlinking initscript %s"%(self.name,sliver_initscript))
+ os.unlink(sliver_initscript)
+ else:
+ logger.log("sliver_vs: %s: installing new initscript %s"%(self.name,sliver_initscript))
+ try:
+ flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
+ fd = os.open(sliver_initscript, flags, 0755)
+ os.write(fd, self.initscript)
+ os.close(fd)
+ except:
+ logger.log_exc("sliver_vs: %s - could not install initscript"%self.name)
+ tools.close_nonstandard_fds()
+ vserver.VServer.start(self)
+ os._exit(0)
else:
os.waitpid(child_pid, 0)
self.initscriptchanged = False
- else: logger.log('sliver_vs: not starting %s, is not enabled'%self.name)
def stop(self):
logger.log('sliver_vs: %s: stopping' % self.name)