mirror of
https://github.com/vdsm/virtual-dsm.git
synced 2025-11-04 17:04:52 +08:00
fix: Check diskspace
* fix: Check diskspace
This commit is contained in:
Kroese
GitHub
parent
bbea0eb429
commit
b71b2245cb
243
src/disk.sh
243
src/disk.sh
@ -76,86 +76,27 @@ getSize() {
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esac
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esac
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}
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}
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resizeDisk() {
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local DISK_FILE=$1
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local CUR_SIZE=$2
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local DATA_SIZE=$3
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local DISK_SPACE=$4
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local DISK_DESC=$5
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local DISK_FMT=$6
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local SPACE SPACE_GB
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local GB=$(( (CUR_SIZE + 1073741823)/1073741824 ))
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info "Resizing $DISK_DESC from ${GB}G to $DISK_SPACE .."
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local FAIL="Could not resize $DISK_FMT file of $DISK_DESC ($DISK_FILE) from ${GB}G to $DISK_SPACE .."
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local REQ=$((DATA_SIZE-CUR_SIZE))
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(( REQ < 1 )) && error "Shrinking disks is not supported!" && exit 71
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case "${DISK_FMT,,}" in
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raw)
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if [[ "$ALLOCATE" == [Nn]* ]]; then
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# Resize file by changing its length
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if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
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error "$FAIL" && exit 75
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fi
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else
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# Check free diskspace
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SPACE=$(df --output=avail -B 1 "$DIR" | tail -n 1)
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SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
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if (( REQ > SPACE )); then
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error "Not enough free space to resize $DISK_DESC to $DISK_SPACE in $DIR, it has only $SPACE_GB GB available.."
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error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting DISK_FMT to \"qcow2\"." && exit 74
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fi
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# Resize file by allocating more space
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if ! fallocate -l "$DISK_SPACE" "$DISK_FILE"; then
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if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
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error "$FAIL" && exit 75
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fi
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fi
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fi
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;;
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qcow2)
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if ! qemu-img resize -f "$DISK_FMT" "--$DISK_ALLOC" "$DISK_FILE" "$DISK_SPACE" ; then
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error "$FAIL" && exit 72
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fi
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;;
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esac
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}
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convertDisk() {
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local SOURCE_FILE=$1
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local SOURCE_FMT=$2
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local DST_FILE=$3
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local DST_FMT=$4
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local CONV_FLAGS="-p"
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local DISK_OPTS="$DISK_ALLOC"
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case "$DST_FMT" in
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qcow2)
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if [[ "$ALLOCATE" == [Nn]* ]]; then
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CONV_FLAGS="$CONV_FLAGS -c"
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fi
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[ -n "$DISK_FLAGS" ] && DISK_OPTS="$DISK_OPTS,$DISK_FLAGS"
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;;
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esac
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# shellcheck disable=SC2086
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qemu-img convert -f "$SOURCE_FMT" $CONV_FLAGS -o "$DISK_OPTS" -O "$DST_FMT" -- "$SOURCE_FILE" "$DST_FILE"
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}
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createDisk() {
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createDisk() {
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local DISK_FILE=$1
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local DISK_FILE=$1
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local DISK_SPACE=$2
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local DISK_SPACE=$2
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local DISK_DESC=$3
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local DISK_DESC=$3
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local DISK_FMT=$4
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local DISK_FMT=$4
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local SPACE SPACE_GB
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local DIR SPACE DATA_SIZE
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if [[ "$ALLOCATE" != [Nn]* ]]; then
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# Check free diskspace
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DIR=$(dirname "$DISK_FILE")
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SPACE=$(df --output=avail -B 1 "$DIR" | tail -n 1)
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local SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
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DATA_SIZE=$(numfmt --from=iec "$DISK_SPACE")
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if (( DATA_SIZE > SPACE )); then
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error "Not enough free space to create a $DISK_DESC of $DISK_SPACE in $DIR, it has only $SPACE_GB GB available..."
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error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting ALLOCATE=N." && exit 76
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fi
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fi
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local FAIL="Could not create a $DISK_SPACE $DISK_FMT file for $DISK_DESC ($DISK_FILE)"
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local FAIL="Could not create a $DISK_SPACE $DISK_FMT file for $DISK_DESC ($DISK_FILE)"
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case "${DISK_FMT,,}" in
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case "${DISK_FMT,,}" in
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@ -170,15 +111,6 @@ createDisk() {
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else
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else
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# Check free diskspace
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SPACE=$(df --output=avail -B 1 "$DIR" | tail -n 1)
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SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
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if (( DATA_SIZE > SPACE )); then
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error "Not enough free space to create a $DISK_DESC of $DISK_SPACE in $DIR, it has only $SPACE_GB GB available.."
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error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting DISK_FMT to \"qcow2\"." && exit 76
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fi
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# Create an empty file
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# Create an empty file
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if ! fallocate -l "$DISK_SPACE" "$DISK_FILE"; then
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if ! fallocate -l "$DISK_SPACE" "$DISK_FILE"; then
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if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
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if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
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@ -198,6 +130,123 @@ createDisk() {
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fi
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fi
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;;
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;;
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esac
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esac
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return 0
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}
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resizeDisk() {
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local DISK_FILE=$1
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local DISK_SPACE=$2
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local DISK_DESC=$3
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local DISK_FMT=$4
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local CUR_SIZE DATA_SIZE DIR SPACE
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CUR_SIZE=$(getSize "$DISK_FILE")
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DATA_SIZE=$(numfmt --from=iec "$DISK_SPACE")
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local REQ=$((DATA_SIZE-CUR_SIZE))
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(( REQ < 1 )) && error "Shrinking disks is not supported yet, please increase ${DISK_DESC^^}_SIZE." && exit 71
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if [[ "$ALLOCATE" != [Nn]* ]]; then
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# Check free diskspace
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DIR=$(dirname "$DISK_FILE")
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SPACE=$(df --output=avail -B 1 "$DIR" | tail -n 1)
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local SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
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if (( REQ > SPACE )); then
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error "Not enough free space to resize $DISK_DESC to $DISK_SPACE in $DIR, it has only $SPACE_GB GB available.."
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error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting ALLOCATE=N." && exit 74
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fi
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fi
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local GB=$(( (CUR_SIZE + 1073741823)/1073741824 ))
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info "Resizing $DISK_DESC from ${GB}G to $DISK_SPACE..."
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local FAIL="Could not resize $DISK_FMT file of $DISK_DESC ($DISK_FILE) from ${GB}G to $DISK_SPACE .."
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case "${DISK_FMT,,}" in
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raw)
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if [[ "$ALLOCATE" == [Nn]* ]]; then
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# Resize file by changing its length
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if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
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error "$FAIL" && exit 75
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fi
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else
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# Resize file by allocating more space
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if ! fallocate -l "$DISK_SPACE" "$DISK_FILE"; then
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if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
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error "$FAIL" && exit 75
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fi
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fi
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fi
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;;
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qcow2)
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if ! qemu-img resize -f "$DISK_FMT" "--$DISK_ALLOC" "$DISK_FILE" "$DISK_SPACE" ; then
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error "$FAIL" && exit 72
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fi
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;;
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esac
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return 0
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}
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convertDisk() {
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local SOURCE_FILE=$1
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local SOURCE_FMT=$2
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local DST_FILE=$3
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local DST_FMT=$4
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local DISK_BASE=$5
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local DISK_DESC=$6
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local CONV_FLAGS="-p"
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local DISK_OPTS="$DISK_ALLOC"
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local TMP_FILE="$DISK_BASE.tmp"
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local DIR CUR_SIZE SPACE
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[ -f "$DST_FILE" ] && error "Conversion failed, destination file $DST_FILE already exists?" && exit 79
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[ ! -f "$SOURCE_FILE" ] && error "Conversion failed, source file $SOURCE_FILE does not exists?" && exit 79
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if [[ "$ALLOCATE" != [Nn]* ]]; then
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# Check free diskspace
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DIR=$(dirname "$TMP_FILE")
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CUR_SIZE=$(getSize "$SOURCE_FILE")
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SPACE=$(df --output=avail -B 1 "$DIR" | tail -n 1)
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local SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
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if (( CUR_SIZE > SPACE )); then
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error "Not enough free space to convert $DISK_DESC to $DST_FMT in $DIR, it has only $SPACE_GB GB available..."
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error "Please free up some disk space or disable preallocation by setting ALLOCATE=N." && exit 76
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fi
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fi
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info "Converting $DISK_DESC to $DST_FMT, please wait until completed..."
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case "$DST_FMT" in
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qcow2)
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if [[ "$ALLOCATE" == [Nn]* ]]; then
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CONV_FLAGS="$CONV_FLAGS -c"
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fi
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[ -n "$DISK_FLAGS" ] && DISK_OPTS="$DISK_OPTS,$DISK_FLAGS"
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;;
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esac
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rm -f "$TMP_FILE"
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# shellcheck disable=SC2086
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if ! qemu-img convert -f "$SOURCE_FMT" $CONV_FLAGS -o "$DISK_OPTS" -O "$DST_FMT" -- "$SOURCE_FILE" "$TMP_FILE"; then
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rm -f "$TMP_FILE"
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error "Failed to convert $DISK_DESC to $DST_FMT format in $DIR, is there enough space available?" && exit 79
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fi
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rm -f "$SOURCE_FILE"
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mv "$TMP_FILE" "$DST_FILE"
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info "Conversion of $DISK_DESC to $DST_FMT completed succesfully!"
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return 0
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}
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}
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addDisk () {
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addDisk () {
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@ -210,7 +259,7 @@ addDisk () {
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local DISK_ADDRESS=$7
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local DISK_ADDRESS=$7
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local DISK_FMT=$8
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local DISK_FMT=$8
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local DISK_FILE="$DISK_BASE.$DISK_EXT"
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local DISK_FILE="$DISK_BASE.$DISK_EXT"
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local FS DIR CUR_SIZE DATA_SIZE
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local DIR FS DATA_SIZE PREV_FMT PREV_EXT CUR_SIZE
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DIR=$(dirname "$DISK_FILE")
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DIR=$(dirname "$DISK_FILE")
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[ ! -d "$DIR" ] && return 0
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[ ! -d "$DIR" ] && return 0
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@ -229,7 +278,6 @@ addDisk () {
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fi
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fi
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if ! [ -f "$DISK_FILE" ] ; then
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if ! [ -f "$DISK_FILE" ] ; then
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local PREV_EXT PREV_FMT
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if [[ "${DISK_FMT,,}" != "raw" ]]; then
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if [[ "${DISK_FMT,,}" != "raw" ]]; then
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PREV_FMT="raw"
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PREV_FMT="raw"
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@ -237,24 +285,9 @@ addDisk () {
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PREV_FMT="qcow2"
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PREV_FMT="qcow2"
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fi
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fi
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PREV_EXT="$(fmt2ext "$PREV_FMT")"
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PREV_EXT="$(fmt2ext "$PREV_FMT")"
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local PREV_FILE="$DISK_BASE.$PREV_EXT"
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if [ -f "$PREV_FILE" ] ; then
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if [ -f "$DISK_BASE.$PREV_EXT" ] ; then
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convertDisk "$DISK_BASE.$PREV_EXT" "$PREV_FMT" "$DISK_FILE" "$DISK_FMT" "$DISK_BASE" "$DISK_DESC" || exit $?
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info "Detected that ${DISK_DESC^^}_FMT changed from \"$PREV_FMT\" to \"$DISK_FMT\"."
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info "Starting conversion of $DISK_DESC to this new format, please wait until completed..."
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local TMP_FILE="$DISK_BASE.tmp"
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rm -f "$TMP_FILE"
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if ! convertDisk "$PREV_FILE" "$PREV_FMT" "$TMP_FILE" "$DISK_FMT" ; then
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rm -f "$TMP_FILE"
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error "Failed to convert $DISK_DESC to $DISK_FMT format." && exit 79
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fi
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mv "$TMP_FILE" "$DISK_FILE"
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rm -f "$PREV_FILE"
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info "Conversion of $DISK_DESC completed succesfully!"
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fi
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fi
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fi
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fi
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@ -262,8 +295,8 @@ addDisk () {
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CUR_SIZE=$(getSize "$DISK_FILE")
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CUR_SIZE=$(getSize "$DISK_FILE")
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if [ "$DATA_SIZE" -gt "$CUR_SIZE" ]; then
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if (( DATA_SIZE > CUR_SIZE )); then
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resizeDisk "$DISK_FILE" "$CUR_SIZE" "$DATA_SIZE" "$DISK_SPACE" "$DISK_DESC" "$DISK_FMT" || exit $?
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resizeDisk "$DISK_FILE" "$DISK_SPACE" "$DISK_DESC" "$DISK_FMT" || exit $?
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fi
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fi
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else
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else
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