|
#!/bin/sh
|
|
|
|
######################################################################
|
|
# ExtractCmd.sh
|
|
#
|
|
# Copyright (c) 2016, Russell Adams <Russell.Adams@AdamsSystems.nl>
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met:
|
|
#
|
|
# - Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
#
|
|
# - Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the
|
|
# distribution.
|
|
#
|
|
# - Neither the name of Russell Adams, Adams Systems Consultancy,
|
|
# nor the names of its contributors may be used to endorse or promote
|
|
# products derived from this software without specific prior written
|
|
# permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
#
|
|
# This script uncompresses and unarchives an IBM AIX snap file stored
|
|
# in the PAX format. It create a new directory named by host, oslevel
|
|
# and date, performs recursive PAX unpacking (ie: HA snaps), and makes
|
|
# a final bzipped archive. The original .Z file can be removed
|
|
# afterward.
|
|
|
|
openpax () {
|
|
|
|
# openpax DestinationDirectory Filename
|
|
OLDDIR=$PWD
|
|
cd "$1"
|
|
|
|
pax $TAR_FLAGS -Orvf "${OLDDIR}/${2}" 2>&1 | tail -n1
|
|
|
|
cd "$OLDDIR"
|
|
}
|
|
|
|
fixperms () {
|
|
|
|
# there's a frequent hiccup in hacmp snaps where the subsnap has no execute privs
|
|
echo "Fixing perms."
|
|
find $1 -type d -exec chmod 755 '{}' \;
|
|
find $1 -type f -exec chmod 755 '{}' \;
|
|
find $1 -type d -exec chmod 755 '{}' \;
|
|
find $1 -type f -exec chmod 755 '{}' \;
|
|
|
|
}
|
|
|
|
|
|
for TARGET in "$@" ; do {
|
|
|
|
[ -f "${TARGET}" ] || {
|
|
echo "Snap file does not exist"
|
|
exit 1
|
|
}
|
|
|
|
echo "${TARGET}" | egrep '\.(tar|pax)\.(Z|gz)$' > /dev/null && TAR_FLAGS="-z"
|
|
echo "${TARGET}" | egrep '\.(tar|pax)\.bz2$' > /dev/null && TAR_FLAGS="-j"
|
|
|
|
[ -z "$TAR_FLAGS" ] && {
|
|
echo "Unrecognized snap suffix, supports .{tar,pax}.{Z,gz,bz2}"
|
|
exit 1
|
|
}
|
|
|
|
TMPDIR=$(mktemp -d "./snapXXXXXXXX")
|
|
|
|
# Untar into the scratch dir
|
|
echo "========================================"
|
|
echo -n "Untarring, # of files: "
|
|
echo "${TARGET}" | grep '\.tar\.' && tar --no-same-permissions -C $TMPDIR $TAR_FLAGS -xvf "${TARGET}" | wc -l
|
|
echo "${TARGET}" | grep '\.pax\.' && openpax "$TMPDIR" "${TARGET}"
|
|
|
|
# Check is this a snap?
|
|
echo "Checking general exists."
|
|
find $TMPDIR -name general -type d | grep general || {
|
|
echo "Not a snap file, aborting."
|
|
exit 1
|
|
}
|
|
|
|
# Fix perms
|
|
fixperms $TMPDIR
|
|
|
|
# Find snap/general/... and move them into the base of the scratch dir
|
|
echo "Moving subdirs."
|
|
[ -d ${TMPDIR}/general ] || mv $(dirname $(find $TMPDIR -name general -type d | tail -n1))/* $TMPDIR
|
|
|
|
# Check for sub-snaps
|
|
echo "Opening subsnaps."
|
|
find $TMPDIR -type f -name '*.pax.Z' | while read Z; do
|
|
SUBTMP="$(echo ${Z} | sed 's/\.pax\.Z$//g')"
|
|
mkdir "${SUBTMP}"
|
|
echo "Opening subsnap $Z"
|
|
openpax "${SUBTMP}" "${Z}"
|
|
rm "${Z}"
|
|
done
|
|
find $TMPDIR -type f -name '*.pax' | while read Z; do
|
|
SUBTMP="$(echo ${Z} | sed 's/\.pax$//g')"
|
|
mkdir "${SUBTMP}"
|
|
echo "Opening subsnap $Z"
|
|
TAR_FLAGS="" openpax "${SUBTMP}" "${Z}"
|
|
rm "${Z}"
|
|
done
|
|
find $TMPDIR -type f -name '*.tar.Z' | while read Z; do
|
|
SUBTMP="$(echo ${Z} | sed 's/\.tar\.Z$//g')"
|
|
mkdir "${SUBTMP}"
|
|
echo "Opening subsnap $Z"
|
|
tar --no-same-permissions -C $SUBTMP -zxvf "${TARGET}" | wc -l
|
|
rm "${Z}"
|
|
done
|
|
|
|
# Fix perms
|
|
fixperms $TMPDIR
|
|
|
|
# Clean empty dirs
|
|
echo "Cleaning empty dirs."
|
|
find $TMPDIR -type d -empty -print0 | xargs -0t rmdir
|
|
|
|
# Attributes
|
|
echo "Collecting data."
|
|
SYSTEM=$(awk 'BEGIN {RS="\n\n.....\n"} /lsattr -El sys0/ {print $0}' < ${TMPDIR}/general/general.snap | awk '/^modelname +/ {print $2}' | cut -f2 -d,)
|
|
SERIAL=$(awk 'BEGIN {RS="\n\n.....\n"} /lsattr -El sys0/ {print $0}' < ${TMPDIR}/general/general.snap | awk '/^systemid +/ {print $2}' | cut -f2 -d,)
|
|
|
|
OSLEVEL=$(tail -n1 $TMPDIR/general/oslevel.info \
|
|
|| grep :bos.rte: ${TMPDIR}/general/lslpp.hac | sort | cut -f3 -d: | tail -n1)
|
|
|
|
SNAPHOST=$(awk 'BEGIN {RS="\n\n.....\n"} /lsattr -El inet0/ {print $0}' < ${TMPDIR}/general/general.snap | awk '/^hostname +/ {print $2}' | tr -d _)
|
|
SNAPDATE=$(date +%Y%m%d_%H%M%S -d "$(head -n1 $TMPDIR/general/general.snap)")
|
|
|
|
NEWNAME="./${SYSTEM}_${SERIAL}_${SNAPHOST}_${OSLEVEL}_${SNAPDATE}.snap"
|
|
|
|
# Cleanup
|
|
echo "Cleaning dump and security."
|
|
find $TMPDIR -name 'unix.Z' -print0 | xargs -0 rm -f
|
|
find $TMPDIR -name 'dump.Z' -print0 | xargs -0 rm -f
|
|
find $TMPDIR -name 'dump.BZ' -print0 | xargs -0 rm -f
|
|
find $TMPDIR -name 'passwd' -print0 | xargs -0 rm -f
|
|
|
|
# Rename logically
|
|
echo "Renaming to final destination"
|
|
mv $TMPDIR $NEWNAME
|
|
|
|
# Recompress
|
|
echo "Retarring files into: ${NEWNAME}.tar.bzip2 "
|
|
echo -n "Number of files compressed: "
|
|
tar -jcvf "${NEWNAME}.tar.bzip2" "${NEWNAME}" | wc -l
|
|
|
|
# Echo completion
|
|
echo "Successfully extracted snap to: $NEWNAME"
|
|
|
|
} 2>&1 | tee -a ./NormalizeSnap.log
|
|
|
|
done
|