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feat: use btrfs with zstd compression #37

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feat: use btrfs with zstd compression #37

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31 changes: 27 additions & 4 deletions action.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,14 @@ inputs:
You should prefer adjusting root-reserve-mb/temp-reserve-mb over using this option.
required: false
default: 'false'
filesystem-type:
description: 'The filesystem to use'
required: false
default: 'ext4'
btrfs-compression-level:
description: 'The compression level to use if the filesystem is btrfs'
required: false
default: '0'
build-mount-path:
description: 'Absolute path to the mount point where the build space will be available, defaults to $GITHUB_WORKSPACE if unset.'
required: false
Expand Down Expand Up @@ -177,12 +185,27 @@ runs:
echo "Creating build volume"
# create and mount build volume
sudo lvcreate -l 100%FREE -n buildlv "${VG_NAME}"
if [[ ${{ inputs.overprovision-lvm }} == 'true' ]]; then
sudo mkfs.ext4 -m0 "/dev/mapper/${VG_NAME}-buildlv"
if [[ ${inputs.filesystem-type} == 'btrfs' ]]; then
sudo mkfs.btrfs -m single -d single "/dev/mapper/${VG_NAME}-buildlv"

mount_options=('space_cache=v2' 'noatime')
if [[ ${{ inputs.overprovision-lvm }} == 'true' ]]; then
mount_options+=('discard=async')
else
mount_options+=('nodiscard')
fi
if [[ ${{ inputs.btrfs-compression-level }} != '0' ]]; then
mount_options+=("compress-force=zstd:${inputs.build-compression-level}")
fi
IFS="," sudo mount -t btrfs -o ${mount_options[*]} "/dev/mapper/${VG_NAME}-buildlv" "${BUILD_MOUNT_PATH}"
else
sudo mkfs.ext4 -Enodiscard -m0 "/dev/mapper/${VG_NAME}-buildlv"
if [[ ${{ inputs.overprovision-lvm }} == 'true' ]]; then
sudo mkfs.ext4 -m0 "/dev/mapper/${VG_NAME}-buildlv"
else
sudo mkfs.ext4 -Enodiscard -m0 "/dev/mapper/${VG_NAME}-buildlv"
fi
IFS="," sudo mount -t ext4 "/dev/mapper/${VG_NAME}-buildlv" "${BUILD_MOUNT_PATH}"
fi
sudo mount "/dev/mapper/${VG_NAME}-buildlv" "${BUILD_MOUNT_PATH}"
sudo chown -R "${{ inputs.build-mount-path-ownership }}" "${BUILD_MOUNT_PATH}"

# if build mount path is a parent of $GITHUB_WORKSPACE, and has been deleted, recreate it
Expand Down