avoid using conf_files initscript that might go when moving to systemd

[bootmanager.git] / source / steps / ChainBootNode.py

diff --git a/source/steps/ChainBootNode.py b/source/steps/ChainBootNode.py
index 3b9df6d..5e7babf 100644 (file)
--- a/source/steps/ChainBootNode.py
+++ b/source/steps/ChainBootNode.py
@@ -10,17 +10,18 @@
 import string
 import re
 import os
+import time
 
-import UpdateNodeConfiguration
-import MakeInitrd
-from Exceptions import *
 import utils
 import systeminfo
-import BootAPI
 import notify_messages
-import time
-
+import BootAPI
 import ModelOptions
+from Exceptions import BootManagerException
+
+import UpdateNodeConfiguration
+import StopRunlevelAgent
+import MakeInitrd
 
 def Run( vars, log ):
     """
@@ -108,8 +109,9 @@ def Run( vars, log ):
 
     # update configuration files
     log.write( "Updating configuration files.\n" )
+    # avoid using conf_files initscript as we're moving to systemd on some platforms
     try:
-        cmd = "/etc/init.d/conf_files start --noscripts"
+        cmd = "/usr/bin/env python /usr/share/NodeManager/conf_files.py --noscripts"
         utils.sysexec_chroot( SYSIMG_PATH, cmd, log )
     except IOError, e:
         log.write("conf_files failed with \n %s" % e)
@@ -124,7 +126,9 @@ def Run( vars, log ):
     utils.sysexec_chroot( SYSIMG_PATH, cmd, log )
 
     # Re-generate initrd right before kexec call
-    MakeInitrd.Run( vars, log )
+    # this is not required anymore on recent depls.
+    if vars['virt'] == 'vs':
+        MakeInitrd.Run( vars, log )
 
     # the following step should be done by NM
     UpdateNodeConfiguration.Run( vars, log )
@@ -143,26 +147,53 @@ def Run( vars, log ):
     update_vals['ssh_rsa_key']= ssh_host_key
     BootAPI.call_api_function( vars, "BootUpdateNode", (update_vals,) )
 
+
     # get the kernel version
     option = ''
     if NODE_MODEL_OPTIONS & ModelOptions.SMP:
         option = 'smp'
 
     log.write( "Copying kernel and initrd for booting.\n" )
-    utils.sysexec( "cp %s/boot/kernel-boot%s /tmp/kernel" % (SYSIMG_PATH,option), log )
-    utils.sysexec( "cp %s/boot/initrd-boot%s /tmp/initrd" % (SYSIMG_PATH,option), log )
+    if vars['virt'] == 'vs':
+        utils.sysexec( "cp %s/boot/kernel-boot%s /tmp/kernel" % (SYSIMG_PATH,option), log )
+        utils.sysexec( "cp %s/boot/initrd-boot%s /tmp/initrd" % (SYSIMG_PATH,option), log )
+    else:
+        # Use chroot to call rpm, b/c the bootimage&nodeimage rpm-versions may not work together
+        kversion = os.popen("chroot %s rpm -qa kernel | tail -1 | cut -c 8-" % SYSIMG_PATH).read().rstrip()
+        utils.sysexec( "cp %s/boot/vmlinuz-%s /tmp/kernel" % (SYSIMG_PATH,kversion), log )
+        candidates=[]
+        # f16/18: expect initramfs image here
+        candidates.append ("/boot/initramfs-%s.img"%(kversion))
+        # f20: uses a uid of some kind, e.g. /boot/543f88c129de443baaa65800cf3927ce/<kversion>/initrd
+        candidates.append ("/boot/*/%s/initrd"%(kversion))
+        def find_file_in_sysimg (candidates):
+            import glob
+            for pattern in candidates:
+                matches=glob.glob(SYSIMG_PATH+pattern)
+                log.write("locating initrd: found %d matches in %s\n"%(len(matches),pattern))
+                if matches: return matches[0]
+        initrd=find_file_in_sysimg(candidates)
+        if initrd:
+            utils.sysexec( "cp %s /tmp/initrd" % initrd, log )
+        else:
+            raise Exception,"Unable to locate initrd - bailing out"
 
     BootAPI.save(vars)
 
     log.write( "Unmounting disks.\n" )
     utils.sysexec( "umount %s/vservers" % SYSIMG_PATH, log )
     utils.sysexec( "umount %s/proc" % SYSIMG_PATH, log )
+    utils.sysexec_noerr( "umount %s/dev" % SYSIMG_PATH, log )
+    utils.sysexec_noerr( "umount %s/sys" % SYSIMG_PATH, log )
     utils.sysexec( "umount %s" % SYSIMG_PATH, log )
     utils.sysexec( "vgchange -an", log )
 
     ROOT_MOUNTED= 0
     vars['ROOT_MOUNTED']= 0
 
+    # Change runlevel to 'boot' prior to kexec.
+    StopRunlevelAgent.Run( vars, log )
+
     log.write( "Unloading modules and chain booting to new kernel.\n" )
 
     # further use of log after Upload will only output to screen
@@ -182,7 +213,10 @@ def Run( vars, log ):
 
     utils.sysexec_noerr( "killall dhclient", log )
         
-    utils.sysexec_noerr( "umount -a -r -t ext2,ext3", log )
+    if vars['virt'] == 'vs':
+        utils.sysexec_noerr( "umount -a -r -t ext2,ext3", log )
+    else:
+        utils.sysexec_noerr( "umount -a -r -t ext2,ext3,btrfs", log )
     utils.sysexec_noerr( "modprobe -r lvm-mod", log )
     
     # modules that should not get unloaded