refactor(config): generate paas profile from default overlay

2026-02-23 17:11:02 -08:00
parent 5b95eb1874
commit 076379bfc1
6 changed files with 268 additions and 19 deletions
@@ -0,0 +1,98 @@
+#!/usr/bin/env node
+
+import { readFileSync, writeFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+import { parse, stringify } from 'yaml';
+
+const root = resolve(import.meta.dirname, '..');
+const basePath = resolve(root, 'config/default.yaml');
+
+const profiles = [
+  {
+    name: 'paas',
+    overlayPath: resolve(root, 'config/profiles/paas.overlay.yaml'),
+    outputPath: resolve(root, 'config/paas.yaml'),
+  },
+];
+
+const checkOnly = process.argv.includes('--check');
+
+function isObject(value) {
+  return Boolean(value) && typeof value === 'object' && !Array.isArray(value);
+}
+
+function deepMerge(base, overlay) {
+  if (!isObject(base) || !isObject(overlay)) {
+    return overlay;
+  }
+
+  const result = { ...base };
+  for (const [key, value] of Object.entries(overlay)) {
+    if (isObject(value) && isObject(result[key])) {
+      result[key] = deepMerge(result[key], value);
+      continue;
+    }
+    result[key] = value;
+  }
+  return result;
+}
+
+function sortObjectKeys(value) {
+  if (Array.isArray(value)) {
+    return value.map(sortObjectKeys);
+  }
+  if (!isObject(value)) {
+    return value;
+  }
+  const sorted = {};
+  for (const key of Object.keys(value).sort()) {
+    sorted[key] = sortObjectKeys(value[key]);
+  }
+  return sorted;
+}
+
+function stableStringify(value) {
+  return JSON.stringify(sortObjectKeys(value));
+}
+
+function buildHeader(profile) {
+  return [
+    '# Flynn generated profile',
+    `# Profile: ${profile.name}`,
+    '#',
+    '# This file is auto-generated from:',
+    '# - config/default.yaml',
+    `# - config/profiles/${profile.name}.overlay.yaml`,
+    '#',
+    '# Do not edit this file directly.',
+    '# Regenerate with: pnpm config:profiles:generate',
+    '',
+  ].join('\n');
+}
+
+const baseConfig = parse(readFileSync(basePath, 'utf-8'));
+
+let hasDrift = false;
+for (const profile of profiles) {
+  const overlayConfig = parse(readFileSync(profile.overlayPath, 'utf-8'));
+  const merged = deepMerge(baseConfig, overlayConfig);
+  const nextContent = buildHeader(profile) + stringify(merged, {
+    lineWidth: 0,
+  });
+
+  if (checkOnly) {
+    const existing = parse(readFileSync(profile.outputPath, 'utf-8'));
+    if (stableStringify(existing) !== stableStringify(merged)) {
+      console.error(`[drift] config/${profile.name}.yaml is out of date`);
+      hasDrift = true;
+    }
+    continue;
+  }
+
+  writeFileSync(profile.outputPath, nextContent, 'utf-8');
+  console.log(`[ok] generated config/${profile.name}.yaml`);
+}
+
+if (checkOnly && hasDrift) {
+  process.exit(1);
+}