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feat: simplify backup script by removing size estimation and progress logging
+2
-63
+2
-63
tools/backup-xata.sh
+2
-63
tools/backup-xata.sh
···
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# exit if XATA_POSTGRES_URL is not set
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: "${XATA_POSTGRES_URL:?Need to set XATA_POSTGRES_URL non-empty}"
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USE_PIGZ="${USE_PIGZ:-1}"
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GZIP_LEVEL="${GZIP_LEVEL:-9}" # compression level 1..9
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TS="$(date -u +%Y%m%d-%H%M%SZ)"
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OUT="xata-db-$TS.sql.gz"
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TMPDIR="${TMPDIR:-/tmp}"
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# -------------------------------------------------------------------------
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BACKUP_NAME="xata-backup-$(date +%Y%m%d-%H%M%S).sql.gz"
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log() { printf "[%s] %s\n" "$(date -u +%H:%M:%SZ)" "$*" >&2; }
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# Cleanup on error/exit
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cleanup() {
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[[ -f "$TMPDIR/.est_bytes.$TS" ]] && rm -f "$TMPDIR/.est_bytes.$TS" || true
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}
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trap cleanup EXIT
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# Optional: estimate total DB size to feed pv -s <bytes>
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EST_BYTES=""
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if command -v psql >/dev/null 2>&1; then
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# -At: unaligned, tuples only. We ignore errors (lack of perms etc.)
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# Sum of table+index+toast for all relations in current DB
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# Note: This is an estimate of logical dump volume; actual dump size differs,
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# but it's good enough to give pv an ETA.
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set +e
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EST_BYTES="$(psql "$XATA_POSTGRES_URL" -Atc \
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"SELECT COALESCE(SUM(pg_total_relation_size(c.oid)),0)
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FROM pg_class c
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JOIN pg_namespace n ON n.oid=c.relnamespace
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WHERE c.relkind IN ('r','p','m') AND n.nspname NOT IN ('pg_toast','pg_catalog','information_schema');" 2>/dev/null)"
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set -e
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# Validate it's an integer
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[[ "${EST_BYTES:-}" =~ ^[0-9]+$ ]] || EST_BYTES=""
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[[ -n "$EST_BYTES" ]] && echo -n "$EST_BYTES" > "$TMPDIR/.est_bytes.$TS"
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fi
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# Choose compressor
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COMPRESSOR="gzip -${GZIP_LEVEL}"
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if [[ "${USE_PIGZ}" = "1" ]] && command -v pigz >/dev/null 2>&1; then
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COMPRESSOR="pigz -${GZIP_LEVEL}"
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fi
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# Build the pipeline with progress
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# We want: pg_dump | pv [-s EST] | (gzip|pigz) > OUT
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log "Starting logical dump → ${OUT}"
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if command -v pv >/dev/null 2>&1; then
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if [[ -n "${EST_BYTES}" ]]; then
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# With size estimate (shows ETA)
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pg_dump --no-owner --no-privileges --format=plain "$XATA_POSTGRES_URL" \
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| pv -ptebar -s "${EST_BYTES}" \
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| eval "$COMPRESSOR" > "$OUT"
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else
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# Without size estimate (shows rate/elapsed)
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pg_dump --no-owner --no-privileges --format=plain "$XATA_POSTGRES_URL" \
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| pv -ptebar \
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| eval "$COMPRESSOR" > "$OUT"
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fi
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else
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log "pv not found; proceeding without live progress. Install 'pv' for a progress bar."
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pg_dump --no-owner --no-privileges --format=plain "$XATA_POSTGRES_URL" \
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| eval "$COMPRESSOR" > "$OUT"
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fi
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# Integrity file
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log "Computing checksum"
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sha256sum "$OUT" > "$OUT.sha256"
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pg_dump $XATA_POSTGRES_URL --no-owner --no-acl | pv -pteba | gzip > "$BACKUP_NAME"