svn kwds

[nodemanager.git] / sliver_vs.py

diff --git a/sliver_vs.py b/sliver_vs.py
index 4245e53..a86b3f6 100644 (file)
--- a/sliver_vs.py
+++ b/sliver_vs.py
@@ -1,5 +1,4 @@
-# $Id$
-# $URL$
+# 
 
 """VServer slivers.
 
@@ -24,6 +23,7 @@ import traceback
 import os, os.path
 import time
 from threading import BoundedSemaphore
+import subprocess
 
 # the util-vserver-pl module
 import vserver
@@ -168,6 +168,26 @@ class Sliver_VS(accounts.Account, vserver.VServer):
                 logger.log("vsliver_vs: %s: Installed new initscript in %s"%(self.name,sliver_initscript))
             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"%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]: 
+                if not os.path.exists (path):
+                    os.mkdir(path)
+                if not os.path.isdir (path):
+                    raise Exception
+            mounts=file('/proc/mounts').read()
+            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_exc("expose_ssh_dir with slice %s failed"%self.name)
 
     def start(self, delay=0):
         if self.rspec['enabled'] <= 0:
@@ -177,6 +197,7 @@ class Sliver_VS(accounts.Account, vserver.VServer):
             time.sleep(delay)
             # the generic /etc/init.d/vinit script is permanently refreshed, and enabled
             self.install_and_enable_vinit()
+            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()
@@ -196,7 +217,7 @@ 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('sliver_vs: %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
@@ -233,21 +254,29 @@ class Sliver_VS(accounts.Account, vserver.VServer):
         cpu_pct = self.rspec['cpu_pct']
         cpu_share = self.rspec['cpu_share']
 
-        if setup:
-            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/<guest>/sysctl/<id>/
+                    dirname = "/etc/vservers/%s/sysctl/%s" % (self.name, count)
                     try:
-                        path="/proc/sys/%s" % ("/".join(sysctl[1:]))
-                        logger.log("sliver_vs: %s: opening %s"%(self.name,path))
-                        flags = os.O_WRONLY
-                        fd = os.open(path, flags)
-                        logger.log("sliver_vs: %s: writing %s=%s"%(self.name,key,self.rspec[key]))
-                        os.write(fd,self.rspec[key])
-                        os.close(fd)
-                    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: