Release ObjectStore 0.0.4

scripts/backup-cluster-metadata.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+set -eu
+cd "$(dirname "$0")/.."
+env_file=${1:?Usage: sh scripts/backup-cluster-metadata.sh /path/to/cluster.env /path/to/metadata.dump}
+output=${2:?Usage: sh scripts/backup-cluster-metadata.sh /path/to/cluster.env /path/to/metadata.dump}
+if [ -e "$output" ]; then
+  echo "Backup destination already exists" >&2
+  exit 1
+fi
+umask 077
+temporary=$(mktemp "${output}.tmp.XXXXXX")
+trap 'rm -f "$temporary"' EXIT
+docker compose --env-file "$env_file" -f compose.cluster.yaml exec -T metadata \
+  pg_dump -U objectstore -d objectstore --format=custom --no-owner --no-acl > "$temporary"
+test -s "$temporary"
+docker compose --env-file "$env_file" -f compose.cluster.yaml exec -T metadata \
+  pg_restore --list < "$temporary" > /dev/null
+mv "$temporary" "$output"
+echo "Metadata backup written to $output"