bin/.archived/btrfs_snapshot

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2023-12-31 04:04:27 +01:00
#!/usr/bin/env bash
LOGFILE="/var/log/btrfs-snapshot.log"
SNAP_DATE=$(date '+%Y-%m-%d_%H%M%S')
send_matrix_webhook() {
/usr/local/bin/send-matrix-webhook "btrfs-snapshot failed on $(hostname)"
}
trap send_matrix_webhook SIGINT SIGTERM EXIT
create_snapshot() {
if ! btrfs subvolume snapshot -r "$1" "${1}/.snapshots/$2-$SNAP_DATE" >/dev/null; then
echo "[$(date '+%Y-%m-%d %H:%M:%S')] Error creating snapshot of $1" | tee -a "$LOGFILE"
notify-send -i computer-fail "Error creating snapshot of $1"
exit 1
else
echo "[$(date '+%Y-%m-%d %H:%M:%S')] Create snapshot of $1: OK" | tee -a "$LOGFILE"
fi
}
create_snapshot "/home" "home"