big

list-restorable.sh

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+#!/bin/bash
+# List which compose files can be restored from local backups
+# This script checks the compose_registry.json and verifies that all required
+# backup files exist in /backup/
+#
+# Usage:
+#   ./list-restorable.sh          # Show only compose files with all backups available
+#   ./list-restorable.sh --all    # Show all compose files, including those with missing backups
+#   ./list-restorable.sh -a       # Same as --all
+
+dir="$(dirname "$0")"
+registry_file="${dir}/../compose_registry.json"
+backup_dir="/backup"
+
+if [ ! -f "$registry_file" ]; then
+    echo "Error: compose_registry.json not found at $registry_file"
+    exit 1
+fi
+
+if [ ! -d "$backup_dir" ]; then
+    echo "Error: /backup directory does not exist"
+    exit 1
+fi
+
+# Check if jq is available
+if ! command -v jq &> /dev/null; then
+    echo "Error: jq is required but not installed"
+    exit 1
+fi
+
+# Count total entries
+total_entries=$(jq 'length' "$registry_file")
+echo "Checking $total_entries compose files for restorable backups..."
+echo ""
+
+# Use temporary files to collect results (since variables in subshells don't persist)
+restorable_list=$(mktemp)
+missing_list=$(mktemp)
+trap "rm -f $restorable_list $missing_list" EXIT
+
+# Process each entry in the registry
+# Use process substitution to avoid subshell issues
+while IFS= read -r entry; do
+    compose_file=$(echo "$entry" | jq -r '.compose_file')
+    volumes=$(echo "$entry" | jq -r '.volumes[]')
+    
+    # Check if compose file exists
+    compose_path="${dir}/${compose_file}.yml"
+    if [ ! -f "$compose_path" ]; then
+        continue
+    fi
+    
+    # Check each volume for backup file
+    all_backups_exist=true
+    missing_volumes=()
+    
+    while IFS= read -r volume; do
+        volume_name="rpc_${volume}"
+        # Look for backup files matching pattern: rpc_${volume}-[0-9]*G.tar.zst
+        backup_file=$(ls -1 "$backup_dir"/"${volume_name}"-[0-9]*G.tar.zst 2>/dev/null | sort | tail -n 1)
+        
+        if [ -z "$backup_file" ]; then
+            all_backups_exist=false
+            missing_volumes+=("$volume_name")
+        fi
+    done <<< "$volumes"
+    
+    if [ "$all_backups_exist" = true ]; then
+        echo "✓ $compose_file"
+        echo "$compose_file" >> "$restorable_list"
+    else
+        if [ "${1}" = "--all" ] || [ "${1}" = "-a" ]; then
+            echo "✗ $compose_file (missing: ${missing_volumes[*]})"
+            echo "$compose_file" >> "$missing_list"
+        fi
+    fi
+done < <(jq -c '.[]' "$registry_file")
+
+# Count results
+restorable_count=$(wc -l < "$restorable_list" 2>/dev/null | tr -d ' ' || echo "0")
+missing_count=$(wc -l < "$missing_list" 2>/dev/null | tr -d ' ' || echo "0")
+
+echo ""
+echo "Summary:"
+echo "  Restorable: $restorable_count"
+if [ "${1}" = "--all" ] || [ "${1}" = "-a" ]; then
+    echo "  Missing backups: $missing_count"
+fi
+echo ""
+echo "Use --all or -a flag to show compose files with missing backups"
+