remove cgroup on ubuntu, as sometimes it hang reboot

agent/distro/ubuntu/SYSCONFDIR/init.d/cloud-agent.in

@@ -37,15 +37,6 @@ start() {
 		log_end_msg 1
 		exit 1
 	fi
-
-	# Workaround for ubuntu bug:577264, make sure cgconfig/cgred start before libvirt
-    service libvirt-bin stop
-	service cgred stop
-	service cgconfig stop
-	service cgconfig start
-	service cgred start
-	service libvirt-bin start
-        
  
 	if start-stop-daemon --start --quiet \
 		--pidfile "$PIDFILE" \

debian/control

@@ -141,7 +141,7 @@ Provides: vmops-agent
 Conflicts: vmops-agent
 Replaces: vmops-agent
 Architecture: any
-Depends: openjdk-6-jre, cloud-utils (= ${source:Version}), cloud-core (= ${source:Version}), cloud-deps (= ${source:Version}), python, cloud-python (= ${source:Version}), cloud-agent-libs (= ${source:Version}), cloud-agent-scripts (= ${source:Version}), libcommons-httpclient-java, libcommons-collections-java, libcommons-dbcp-java, libcommons-pool-java, libcommons-logging-java, libvirt0, cloud-daemonize, sysvinit-utils, chkconfig, qemu-kvm, libvirt-bin, cgroup-bin, augeas-tools, uuid-runtime, rsync, grep, iproute, jnetpcap, ebtables, vlan
+Depends: openjdk-6-jre, cloud-utils (= ${source:Version}), cloud-core (= ${source:Version}), cloud-deps (= ${source:Version}), python, cloud-python (= ${source:Version}), cloud-agent-libs (= ${source:Version}), cloud-agent-scripts (= ${source:Version}), libcommons-httpclient-java, libcommons-collections-java, libcommons-dbcp-java, libcommons-pool-java, libcommons-logging-java, libvirt0, cloud-daemonize, sysvinit-utils, chkconfig, qemu-kvm, libvirt-bin,  uuid-runtime, rsync, grep, iproute, jnetpcap, ebtables, vlan
 Description: Cloud.com agent
  The Cloud.com agent is in charge of managing shared computing resources in
  a Cloud.com Cloud Stack-powered cloud.  Install this package if this computer

python/lib/cloudutils/configFileOps.py

@@ -131,6 +131,27 @@ class configFileOps:
         file(self.fileName, "w").write(repl)
         if addToBackup:
             self.backups.append([src, dst])
+
+    def append_lines(self, match_lines, append_lines):
+        fp = file(self.fileName).read(-1)
+        sh = re.escape(match_lines)
+        match = re.search(sh, fp, re.MULTILINE)
+        if match is None:
+            return
+
+        sh = re.escape(append_lines)
+        if re.search(sh, fp, re.MULTILINE) is not None:
+            return
+
+        newlines = []
+        for line in file(self.fileName).readlines():
+            if re.search(match_lines, line) is not None:
+                newlines.append(line + append_lines)
+                self.backups.append([line, line + append_lines])
+            else:
+                newlines.append(line)
+
+        file(self.fileName, "w").writelines(newlines)
             
     def backup(self):
         for oldLine, newLine in self.backups:

python/lib/cloudutils/serviceConfig.py

@@ -431,15 +431,9 @@ class libvirtConfigUbuntu(serviceCfgBase):
     
     def config(self):
         try:
-            cfgline = "export CGROUP_DAEMON='cpu:/virt'"
-            libvirtfile = "/etc/default/libvirt-bin"
-            cfo = configFileOps(libvirtfile, self)
-            cfo.add_lines(cfgline)
-            
             self.setupLiveMigration()
             
-            cfgline = "cgroup_controllers = [ \"cpu\" ]\n" \
-                  "security_driver = \"none\"\n"
+            cfgline = "security_driver = \"none\"\n"
             filename = "/etc/libvirt/qemu.conf"
     
             cfo = configFileOps(filename, self)

python/lib/cloudutils/syscfg.py

@@ -91,8 +91,7 @@ class sysConfigAgentUbuntu(sysConfigAgent):
         super(sysConfigAgentUbuntu, self).__init__(glbEnv)
         self.svo = serviceOpsUbuntu()
 
-        self.services = [cgroupConfig(self),
-                         securityPolicyConfigUbuntu(self),
+        self.services = [securityPolicyConfigUbuntu(self),
                          networkConfigUbuntu(self),
                          libvirtConfigUbuntu(self),
                          firewallConfigUbuntu(self),