import string
import re
+import os
+import InstallWriteConfig
+import UpdateBootStateWithPLC
from Exceptions import *
import utils
import compatibility
from systeminfo import systeminfo
import BootAPI
+import notify_messages
+
+from GetAndUpdateNodeDetails import SMP_OPT
def Run( vars, log ):
"""
Load the kernel off of a node and boot to it.
This step assumes the disks are mounted on SYSIMG_PATH.
+ If successful, this function will not return. If it returns, no chain
+ booting has occurred.
Expect the following variables:
BOOT_CD_VERSION A tuple of the current bootcd version
SYSIMG_PATH the path where the system image will be mounted
(always starts with TEMP_PATH)
ROOT_MOUNTED the node root file system is mounted
-
+ NODE_SESSION the unique session val set when we requested
+ the current boot state
+ PLCONF_DIR The directory to store PL configuration files in
+
Sets the following variables:
ROOT_MOUNTED the node root file system is mounted
"""
SYSIMG_PATH= vars["SYSIMG_PATH"]
if SYSIMG_PATH == "":
raise ValueError, "SYSIMG_PATH"
-
+
+ PLCONF_DIR= vars["PLCONF_DIR"]
+ if PLCONF_DIR == "":
+ raise ValueError, "PLCONF_DIR"
+
+ # its ok if this is blank
+ NODE_SESSION= vars["NODE_SESSION"]
+
+ NODE_MODEL_OPTIONS= vars["NODE_MODEL_OPTIONS"]
+
except KeyError, var:
raise BootManagerException, "Missing variable in vars: %s\n" % var
except ValueError, var:
ssh_host_key_file= None
except IOError, e:
pass
-
+
+ # write out the session value /etc/planetlab/session
+ try:
+ session_file_path= "%s/%s/session" % (SYSIMG_PATH,PLCONF_DIR)
+ session_file= file( session_file_path, "w" )
+ session_file.write( str(NODE_SESSION) )
+ session_file.close()
+ session_file= None
+ log.write( "Updated /etc/planetlab/session\n" )
+ except IOError, e:
+ log.write( "Unable to write out /etc/planetlab/session, continuing anyway\n" )
+
update_vals= {}
update_vals['ssh_host_key']= ssh_host_key
BootAPI.call_api_function( vars, "BootUpdateNode", (update_vals,) )
+ # rewrite modprobe.conf in case there were any module changes
+ # from a new kernel installed.
+ log.write( "Rewriting /etc/modprobe.conf\n" )
+ (network_count,storage_count)= \
+ InstallWriteConfig.write_modprobeconf_file( vars, log )
+
+ # get the kernel version
+ option = ''
+ if NODE_MODEL_OPTIONS & SMP_OPT:
+ option = 'smp'
log.write( "Copying kernel and initrd for booting.\n" )
- utils.sysexec( "cp %s/boot/kernel-boot /tmp/kernel" % SYSIMG_PATH, log )
- utils.sysexec( "cp %s/boot/initrd-boot /tmp/initrd" % SYSIMG_PATH, log )
+ 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 )
log.write( "Unmounting disks.\n" )
- utils.sysexec_noerr( "chroot %s umount /rcfs" % SYSIMG_PATH, log )
+ try:
+ # backwards compat, though, we should never hit this case post PL 3.2
+ os.stat("%s/rcfs/taskclass"%SYSIMG_PATH)
+ utils.sysexec_noerr( "chroot %s umount /rcfs" % SYSIMG_PATH, log )
+ except OSError, e:
+ pass
utils.sysexec_noerr( "umount -r /dev/planetlab/vservers", log )
utils.sysexec_noerr( "umount -r /dev/planetlab/root", log )
utils.sysexec_noerr( "vgchange -an", log )
ROOT_MOUNTED= 0
vars['ROOT_MOUNTED']= 0
+ # before we do the real kexec, check to see if we had any
+ # network drivers written to modprobe.conf. if not, return -1,
+ # which will cause this node to be switched to a debug state.
+ if network_count == 0:
+ log.write( "\nIt appears we don't have any network drivers. Aborting.\n" )
+
+ vars['BOOT_STATE']= 'dbg'
+ vars['STATE_CHANGE_NOTIFY']= 1
+ vars['STATE_CHANGE_NOTIFY_MESSAGE']= \
+ notify_messages.MSG_NO_DETECTED_NETWORK
+ UpdateBootStateWithPLC.Run( vars, log )
+
+ return
+
log.write( "Unloading modules and chain booting to new kernel.\n" )
# further use of log after Upload will only output to screen