mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/kdave/btrfs-progs.git
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d6cedbcdd3
We're using he meta-dump images, now we support compressed meta-dump, raw and compressed raw images. Signed-off-by: David Sterba <dsterba@suse.cz>
137 lines
2.8 KiB
Bash
137 lines
2.8 KiB
Bash
#!/bin/bash
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#
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# Common routines for all tests
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#
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_fail()
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{
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echo "$*" | tee -a $RESULTS
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exit 1
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}
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_not_run()
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{
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echo " [NOTRUN] $*"
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exit 0
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}
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run_check()
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{
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echo "############### $@" >> $RESULTS 2>&1
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"$@" >> $RESULTS 2>&1 || _fail "failed: $@"
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}
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check_prereq()
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{
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if ! [ -f $TOP/$1 ]; then
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_fail "Failed prerequisities: $1";
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fi
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}
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check_image()
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{
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local image
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image=$1
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echo "testing image $(basename $image)" >> $RESULTS
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$TOP/btrfs check $image >> $RESULTS 2>&1
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[ $? -eq 0 ] && _fail "btrfs check should have detected corruption"
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run_check $TOP/btrfs check --repair $image
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run_check $TOP/btrfs check $image
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}
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# Process all image dumps in a given directory,
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# - raw btrfs filesystem images, suffix .raw
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# - dtto compressed by XZ, suffix .raw.xz
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# - meta-dump images with suffix .img
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# - dtto compressed by XZ, suffix .img.xz
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check_all_images()
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{
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dir=$1
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for image in $(find $dir \( -iname '*.img' -o \
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-iname '*.img.xz' -o \
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-iname '*.raw' -o \
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-iname '*.raw.xz' \) )
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do
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cleanme=
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case "$image" in
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*.img)
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rm -f $image.restored
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: ;;
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*.img.xz)
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xz --decompress --keep "$image" || \
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_fail "failed to decompress image $image"
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image=${image%%.xz}
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rm -f $image.restored
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cleanme=$image
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;;
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*.raw)
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cp --sparse=auto $image $image.restored
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;;
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*.raw.xz)
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xz --decompress --keep "$image" || \
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_fail "failed to decompress image $image"
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image=${image%%.xz}
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mv "$image" "$image".restored
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;;
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esac
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if ! [ -f $image.restored ]; then
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echo "restoring image $(basename $image)" >> $RESULTS
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$TOP/btrfs-image -r $image $image.restored || \
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_fail "failed to restore image $image"
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fi
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check_image $image.restored
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rm -f $image.restored $cleanme
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done
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}
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# some tests need to mount the recovered image and do verifications call
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# 'setup_root_helper' and then check for have_root_helper == 1 if the test
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# needs to fail otherwise; using sudo by default for now
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SUDO_HELPER=
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NEED_SUDO_VALIDATE=unknown
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export SUDO_HELPER
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export NEED_SUDO_VALIDATE
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root_helper()
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{
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if [ $UID -eq 0 ]; then
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"$@"
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else
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if [ "$NEED_SUDO_VALIDATE" = 'yes' ]; then
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sudo -v -n &>/dev/null || \
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_not_run "Need to validate sudo credentials"
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sudo -n "$@"
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elif [ "$NEED_SUDO_VALIDATE" = 'no' ]; then
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sudo -n /bin/true &> /dev/null || \
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_not_run "Need to validate sudo user settings"
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sudo -n "$@"
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else
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# should not happen
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_not_run "Need to validate root privileges"
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fi
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fi
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}
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setup_root_helper()
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{
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if [ $UID -eq 0 ]; then
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return
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fi
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# Test for old sudo or special settings, which make sudo -v fail even
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# if user setting is NOPASSWD
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sudo -n /bin/true &>/dev/null && NEED_SUDO_VALIDATE=no
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# Newer sudo or default sudo setting
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sudo -v -n &>/dev/null && NEED_SUDO_VALIDATE=yes
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if [ "$NEED_SUDO_VALIDATE" = 'unknown' ]; then
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_not_run "Need to validate root privileges"
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fi
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SUDO_HELPER=root_helper
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}
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