Add backup and restore scripts

2026-09-18 12:24:08 +03:00
parent 2fc905986a
commit a98df9c264
8 changed files with 237 additions and 7 deletions
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Creates a consistent, portable backup of Stalwart, Roundcube, and deployment settings.
+set -euo pipefail
+
+root=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
+destination=${1:-"$root/backups"}
+project=${PROJECT_NAME:-eternitymail}
+timestamp=$(date -u +%Y%m%dT%H%M%SZ)
+staging=$(mktemp -d)
+archive="$destination/${project}-${timestamp}.tar.gz"
+
+cleanup() {
+  rm -rf "$staging"
+  docker compose -f "$root/docker-compose.yml" --env-file "$root/.env" start >/dev/null 2>&1 || true
+}
+trap cleanup EXIT
+
+[[ -f "$root/.env" ]] || { echo "Missing $root/.env" >&2; exit 1; }
+mkdir -p "$destination"
+
+docker compose -f "$root/docker-compose.yml" --env-file "$root/.env" stop
+mkdir -p "$staging/volumes" "$staging/bind-mounts"
+cp "$root/.env" "$root/docker-compose.yml" "$staging/"
+
+for volume in stalwart-etc stalwart-data stalwart-certs; do
+  docker run --rm -v "${project}-${volume}:/source:ro" -v "$staging:/backup" alpine:3.21 \
+    tar -C /source -czf "/backup/volumes/${volume}.tar.gz" .
+done
+
+for directory in roundcube-db roundcube-config; do
+  docker run --rm -v "/opt/eternitymail/${directory}:/source:ro" -v "$staging:/backup" alpine:3.21 \
+    tar -C /source -czf "/backup/bind-mounts/${directory}.tar.gz" .
+done
+
+sha256sum "$staging"/.env "$staging"/docker-compose.yml "$staging"/volumes/*.tar.gz "$staging"/bind-mounts/*.tar.gz > "$staging/SHA256SUMS"
+tar -C "$staging" -czf "$archive" .
+echo "Backup created: $archive"