fix coresched locating cgroup and reduce verbosity

[nodemanager.git] / sliver_lxc.py

diff --git a/sliver_lxc.py b/sliver_lxc.py
index b7cd45f..5892eed 100644 (file)
--- a/sliver_lxc.py
+++ b/sliver_lxc.py
@@ -44,6 +44,7 @@ class Sliver_LXC(Sliver_Libvirt, Initscript):
         Initscript.__init__(self,name)
 
     def configure(self, rec):
+        logger.log('========== sliver_lxc.configure {}'.format(self.name))
         Sliver_Libvirt.configure(self, rec)
 
         # in case we update nodemanager..
@@ -51,7 +52,11 @@ class Sliver_LXC(Sliver_Libvirt, Initscript):
         # do the configure part from Initscript
         Initscript.configure(self, rec)
 
+    # remember configure() always gets called *before* start()
+    # in particular the slice initscript
+    # is expected to be in place already at this point
     def start(self, delay=0):
+        logger.log('==================== sliver_lxc.start {}'.format(self.name))
         if 'enabled' in self.rspec and self.rspec['enabled'] <= 0:
             logger.log('sliver_lxc: not starting %s, is not enabled'%self.name)
             return
@@ -64,18 +69,25 @@ class Sliver_LXC(Sliver_Libvirt, Initscript):
         # if a change has occured in the slice initscript, reflect this in /etc/init.d/vinit.slice
         self.refresh_slice_vinit()
 
-    def rerun_slice_vinit (self):
-        """This is called whenever the initscript code changes"""
-        # xxx - todo - not sure exactly how to:
-        # (.) invoke something in the guest
-        # (.) which options of systemctl should be used to trigger a restart
-        # should not prevent the first run from going fine hopefully
-        logger.log("WARNING: sliver_lxc.rerun_slice_vinit not implemented yet")
-
+    def rerun_slice_vinit(self):
+        """This is called at startup, and whenever the initscript code changes"""
+        logger.log("sliver_lxc.rerun_slice_vinit {}".format(self.name))
+        plain = "virsh -c lxc:/// lxc-enter-namespace --noseclabel -- {} /usr/bin/systemctl --system daemon-reload"\
+            .format(self.name)
+        command = plain.split()
+        logger.log_call(command, timeout=3)
+        plain = "virsh -c lxc:/// lxc-enter-namespace --noseclabel -- {} /usr/bin/systemctl restart vinit.service"\
+            .format(self.name)
+        command = plain.split()
+        logger.log_call(command, timeout=3)
+                
+        
     @staticmethod
     def create(name, rec=None):
-        ''' Create dirs, copy fs image, lxc_create '''
-        logger.verbose ('sliver_lxc: %s create'%(name))
+        '''
+        Create dirs, copy fs image, lxc_create
+        '''
+        logger.verbose('sliver_lxc: %s create' % name)
         conn = Sliver_Libvirt.getConnection(Sliver_LXC.TYPE)
 
         vref = rec['vref']