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Adding functionality to mkdumprd2

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This commit is contained in:
Neil Horman 2009-05-18 01:16:41 +00:00
parent b3d543a616
commit f3f5a30ac9
4 changed files with 87 additions and 74 deletions
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2
kdump_build_helpers/generate_module_list
View File

@ -14,7 +14,7 @@ do
do
bname=$(basename $j)
cp $j $STAGE_DIR/modules
grep -q $bname $STAGE_DIR/modules 2>/dev/null
grep -q $bname $STAGE_DIR/etc/module_load_list 2>/dev/null
# Add the module to the list if its not already there
# or if the list doesn't yet exist

36
kdump_build_helpers/populate_kdump_std_files Executable file
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@ -0,0 +1,36 @@
#!/bin/sh
. /etc/kdump-adv-conf/mkdumprd2_functions
STAGE_DIR=$1/stage
# We of course need busybox
install_with_deps /sbin/busybox 755
# And we need to link all the apps busybox provides in
for i in `/sbin/busybox |
awk 'BEGIN {found=0} /.*/ { if (found) print $0 } /Currently/ {found=1}' |
sed -e's/,//g' -e's/busybox//g'`
do
ln -s busybox $STAGE_DIR/sbin/$i
done
# We always get kpartx, dmsetup, lvm and mdadm
for i in /sbin/lvm /sbin/kpartx /sbin/mdadm /sbin/dmsetup
do
install_with_deps $i 755
done
# We also want to suck in all the runtime scripts
# that make life easier inside the initramfs
# These don't need deps, because they're all msh scripts
for i in `ls /etc/kdump-adv-conf/kdump_build_helpers/`
do
if [ -f $i ]
then
install --mode=755 $i $STAGE_DIR/bin
fi
done
exit 0

75
mkdumprd2
View File

@ -8,7 +8,7 @@
# initramfs files for use with kdump
#########################################################
. /etc/kdump-adv-conf/mkdumprd2_functions
########################################################
#Global Variables
@ -72,7 +72,7 @@ cleanup_and_exit()
#########################################################
setup_env()
{
PATH=$PATH:/etc/kdump-adv-conf/kdump_build_helpers
PATH=/etc/kdump-adv-conf/kdump_build_helpers:$PATH
}
@ -141,74 +141,6 @@ create_initramfs_dirs()
$(cd $STAGE_DIR; ln -s bin sbin)
}
load_dependent_libs()
{
local BIN=$1
ldd $BIN | grep -q "not a dynamic executable"
if [ $? == 0 ]
then
#There are no dependencies, we're done
return
fi
ldd $BIN | grep -q "statically linked"
if [ $? == 0 ]
then
#There are no dependencies, we're done
return
fi
for LIB in `ldd $BIN | awk '/\// {if ($2 == "=>") { print $3} else {print $1}}'`
do
load_dependent_libs $LIB
if [ ! -f $STAGE_DIR/$LIB ]
then
install --mode=755 $LIB $STAGE_DIR/$LIB
fi
done
return
}
install_with_deps()
{
local BIN=$1
local MODE=$2
install --mode=$MODE $BIN $STAGE_DIR/bin
load_dependent_libs $BIN
}
populate_std_files()
{
# We of course need busybox
install_with_deps /sbin/busybox 755
# And we need to link all the apps busybox provides in
for i in `/sbin/busybox |
awk 'BEGIN {found=0} /.*/ { if (found) print $0 } /Currently/ {found=1}' |
sed -e's/,//g' -e's/busybox//g'`
do
ln -s busybox $STAGE_DIR/sbin/$i
done
# We always get kpartx, dmsetup, lvm and mdadm
for i in /sbin/lvm /sbin/kpartx /sbin/mdadm /sbin/dmsetup
do
install_with_deps $i 755
done
# We also want to suck in all the runtime scripts
# that make life easier inside the initramfs
# These don't need deps, because they're all msh scripts
for i in `ls /etc/kdump-adv-conf/kdump_build_helpers/`
do
if [ -f $i ]
then
install --mode=755 $i $STAGE_DIR/bin
fi
done
}
#########################################################
#This function is the recepie for populating our initramfs
@ -220,9 +152,6 @@ prep_std_initramfs()
{
#start by creating the directories we need
create_initramfs_dirs
#copy in the standard included files
populate_std_files
}

48
mkdumprd2_functions Executable file
View File

@ -0,0 +1,48 @@
#!/bin/sh
##########################################################
#File: mkdumprd2
#Author: Neil Horman <nhorman@redhat.com>
#Copyright 2009 Red Hat, Inc.
#Summary: A vastly simplified infrastructure for creating
# initramfs files for use with kdump
#########################################################
load_dependent_libs()
{
local BIN=$1
local LIB=""
ldd $BIN | grep -q "not a dynamic executable"
if [ $? == 0 ]
then
#There are no dependencies, we're done
return
fi
ldd $BIN | grep -q "statically linked"
if [ $? == 0 ]
then
#There are no dependencies, we're done
return
fi
for LIB in `ldd $BIN | awk '/\// {if ($2 == "=>") { print $3} else {print $1}}'`
do
load_dependent_libs $LIB
if [ ! -e $STAGE_DIR/$LIB ]
then
install --mode=755 $LIB $STAGE_DIR/$LIB
fi
done
return
}
install_with_deps()
{
local BIN=$1
local MODE=$2
install --mode=$MODE $BIN $STAGE_DIR/bin
load_dependent_libs $BIN
}