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fadump: rebuild default initrd with dump capture capability

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As default initrd is used for booting fadump capture kernel, it must be
rebuilt with dump capture capability when dump mode is fadump. Check if
default initrd is already fadump capable and rebuild, if necessary.

Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>
Reviewed-by: Xunlei Pang <xlpang@redhat.com>
This commit is contained in:
Hari Bathini 2017-08-31 11:57:00 +05:30 committed by Dave Young
parent 3172bc0ef3
commit 601766a3d9
1 changed files with 10 additions and 0 deletions
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10
kdumpctl
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@ -6,6 +6,7 @@ KDUMP_COMMANDLINE=""
KEXEC_ARGS=""
KDUMP_CONFIG_FILE="/etc/kdump.conf"
MKDUMPRD="/sbin/mkdumprd -f"
DRACUT_MODULES_FILE="/usr/lib/dracut/modules.txt"
SAVE_PATH=/var/crash
SSH_KEY_LOCATION="/root/.ssh/kdump_id_rsa"
INITRD_CHECKSUM_LOCATION="/boot/.fadump_initrd_checksum"
@ -650,6 +651,7 @@ check_system_modified()
check_rebuild()
{
local extra_modules
local capture_capable_initrd="1"
local _force_rebuild force_rebuild="0"
local _force_no_rebuild force_no_rebuild="0"
local ret system_modified="0"
@ -704,6 +706,12 @@ check_rebuild()
#since last build of the image file
if [ -f $TARGET_INITRD ]; then
image_time=`stat -c "%Y" $TARGET_INITRD 2>/dev/null`
#in case of fadump mode, check whether the default/target
#initrd is already built with dump capture capability
if [ "$DEFAULT_DUMP_MODE" == "fadump" ]; then
capture_capable_initrd=$(lsinitrd -f $DRACUT_MODULES_FILE $TARGET_INITRD | grep ^kdumpbase$ | wc -l)
fi
fi
check_system_modified
@ -718,6 +726,8 @@ check_rebuild()
if [ $image_time -eq 0 ]; then
echo -n "No kdump initial ramdisk found."; echo
elif [ "$capture_capable_initrd" == "0" ]; then
echo -n "Rebuild $TARGET_INITRD with dump capture support"; echo
elif [ "$force_rebuild" != "0" ]; then
echo -n "Force rebuild $TARGET_INITRD"; echo
elif [ "$system_modified" != "0" ]; then