feat: backup download endpoint + skip-backup sync option

Matthias Nott

2026-02-26 5d0247159b125bf035285d56c2b9bb58d6bb3029

 static/js/app.js
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@@ -1,5 +1,5 @@
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 'use strict';
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-const APP_VERSION = 'v14-20260222';
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+const APP_VERSION = 'v15-20260226';
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 // ============================================================
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 // OPS Dashboard — Vanilla JS Application (v6)
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@@ -827,6 +827,9 @@
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         const downloadBtn = (!b.hasLocal && b.hasOffsite)
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           ? `<button class="btn btn-ghost btn-xs" style="color:#34d399;border-color:rgba(52,211,153,0.25);" onclick="downloadOffsiteBackup('${esc(b.project)}','${esc(b.env)}','${esc(b.name)}')">Download</button>`
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           : '';
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+        const saveBtn = b.hasLocal
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+          ? `<button class="btn btn-ghost btn-xs" style="color:#60a5fa;border-color:rgba(96,165,250,0.25);" onclick="downloadBackupFile('${esc(b.project)}','${esc(b.env)}','${esc(b.name)}')">Save</button>`
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+          : '';
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         h += `<tr>
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           <td style="padding-left:0.75rem;"><input type="checkbox" class="backup-cb" value="${esc(b.name)}"${checked} onclick="toggleBackupSelect('${esc(b.name)}')" style="accent-color:#3b82f6;cursor:pointer;"></td>
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           <td>${locationBadge}</td>
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@@ -834,6 +837,7 @@
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           <td>${esc(b.size_human || '\u2014')}</td>
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           <td style="white-space:nowrap;">
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             <button class="btn btn-danger btn-xs" onclick="openRestoreModal('${esc(b.project)}','${esc(b.env)}','${restoreSource}','${esc(b.name)}',${b.hasLocal},${b.hasOffsite})">Restore</button>
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+            ${saveBtn}
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             ${uploadBtn}
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             ${downloadBtn}
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             ${deleteBtn}
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@@ -927,6 +931,10 @@
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   cachedBackups = null;
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   toast(`Deleted ${ok}${fail > 0 ? ', ' + fail + ' failed' : ''}`, fail > 0 ? 'warning' : 'success');
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   if (currentPage === 'backups') renderBackups();
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+}
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+
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+function downloadBackupFile(project, env, name) {
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+  window.open(`/api/backups/download/${encodeURIComponent(project)}/${encodeURIComponent(env)}/${encodeURIComponent(name)}?token=${encodeURIComponent(getToken())}`, '_blank');
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 }
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 async function uploadOffsiteBackup(project, env, name) {
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@@ -1702,6 +1710,10 @@
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   ih += '<span style="font-size:0.75rem;color:#6b7280;margin-left:auto;">content flows up</span>';
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   ih += '</label>';
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   ih += '</div>';
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+  ih += '<label style="display:flex;align-items:center;gap:0.5rem;font-size:0.875rem;color:#d1d5db;cursor:pointer;margin-top:0.875rem;">';
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+  ih += '<input type="checkbox" id="ops-sync-skip-backup" style="width:1rem;height:1rem;accent-color:#f59e0b;">';
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+  ih += 'Skip safety backup <span style="font-size:0.75rem;color:#f59e0b;margin-left:0.25rem;">(faster, no pre-sync snapshot)</span>';
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+  ih += '</label>';
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   info.innerHTML = ih;
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   startBtn.className = 'btn btn-primary btn-sm';
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@@ -1871,7 +1883,9 @@
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   if (type === 'promote') {
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     url = '/api/promote/' + encodeURIComponent(project) + '/' + encodeURIComponent(fromEnv) + '/' + encodeURIComponent(toEnv) + '?dry_run=' + dryRun + '&token=' + encodeURIComponent(getToken());
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   } else if (type === 'sync') {
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-    url = '/api/sync/' + encodeURIComponent(project) + '?from=' + encodeURIComponent(fromEnv) + '&to=' + encodeURIComponent(toEnv) + '&dry_run=' + dryRun + '&token=' + encodeURIComponent(getToken());
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+    const skipBackupEl = document.getElementById('ops-sync-skip-backup');
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+    const skipBackup = skipBackupEl ? skipBackupEl.checked : false;
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+    url = '/api/sync/' + encodeURIComponent(project) + '?from=' + encodeURIComponent(fromEnv) + '&to=' + encodeURIComponent(toEnv) + '&dry_run=' + dryRun + (skipBackup ? '&skip_backup=true' : '') + '&token=' + encodeURIComponent(getToken());
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   } else if (type === 'restart' || type === 'rebuild') {
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     url = '/api/rebuild/' + encodeURIComponent(project) + '/' + encodeURIComponent(fromEnv)
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       + '?action=' + encodeURIComponent(type) + '&token=' + encodeURIComponent(getToken());