Sun-ZhenXing
32 lines
1.1 KiB
Bash
32 lines
1.1 KiB
Bash
#!/usr/bin/env bash
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# Create and mount the XFS-formatted loop volume at /data/cubelet.
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# Called by cube-xfs-mount.service (Type=oneshot) before docker.service starts.
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#
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# install.sh hard-requires that /data/cubelet is on an XFS filesystem;
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# it validates this with `df -T /data/cubelet | grep -q xfs`.
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set -euo pipefail
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log() { printf '[cube-xfs] %s\n' "$*"; }
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CUBE_DATA_DIR="${CUBE_DATA_DIR:-/data/cubelet}"
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CUBE_XFS_IMG="${CUBE_XFS_IMG:-/data/cubelet.img}"
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CUBE_XFS_SIZE="${CUBE_XFS_SIZE:-50G}"
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mkdir -p /data "$CUBE_DATA_DIR"
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current_fs="$(stat -fc %T "$CUBE_DATA_DIR" 2>/dev/null || echo unknown)"
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if [ "$current_fs" = "xfs" ]; then
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log "Already mounted: $CUBE_DATA_DIR ($current_fs) — nothing to do."
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exit 0
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fi
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log "Preparing XFS loop volume at $CUBE_XFS_IMG (size=$CUBE_XFS_SIZE) ..."
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if [ ! -f "$CUBE_XFS_IMG" ]; then
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fallocate -l "$CUBE_XFS_SIZE" "$CUBE_XFS_IMG"
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mkfs.xfs -q -f "$CUBE_XFS_IMG"
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log "Formatted $CUBE_XFS_IMG as XFS."
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fi
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mount -o loop "$CUBE_XFS_IMG" "$CUBE_DATA_DIR"
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log "Mounted $CUBE_DATA_DIR ($(stat -fc %T "$CUBE_DATA_DIR"))."
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