clear immutible attribute before writing file, to address wide-spread issues

seen on public pl related to 2.6.12 boot cd and 2.6.22 root context.

diff --git a/source/steps/UpdateNodeConfiguration.py b/source/steps/UpdateNodeConfiguration.py
index bca5929..ed6bdee 100644 (file)
--- a/source/steps/UpdateNodeConfiguration.py
+++ b/source/steps/UpdateNodeConfiguration.py
@@ -179,6 +179,17 @@ def update_vserver_network_files( vserver_dir, vars, log ):
 
     if update_files:
         log.write( "Updating network files in %s.\n" % vserver_dir )
+        try:
+            # NOTE: this works around a recurring problem on public pl,
+            # suspected to be due to mismatch between 2.6.12 bootcd and
+            # 2.6.22/f8 root environment.  files randomly show up with the
+            # immutible attribute set.  this clears it before trying to write
+            # the files below.
+            utils.sysexec( "chattr -i %s/etc/hosts" % vserver_dir )
+            utils.sysexec( "chattr -i %s/etc/resolv.conf" % vserver_dir )
+        except:
+            pass
+
         
         file_path= "%s/etc/hosts" % vserver_dir
         hosts_file= file(file_path, "w" )