feat: add automated release index generator and GitHub Pages deployment

.github/scripts/release-index/.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+releases/

.github/scripts/release-index/build-releases.js

@@ -0,0 +1,303 @@
+const { Octokit } = require("@octokit/rest");
+const semver = require("semver");
+const fs = require("fs");
+const path = require("path");
+const { load } = require("js-yaml");
+
+const OWNER = "codefresh-io";
+const REPO = "gitops-runtime-helm";
+const LATEST_PATTERN = /^(\d{4})\.(\d{1,2})-(\d+)$/;
+const TOKEN = process.env.GITHUB_TOKEN;
+const SECURITY_FIXES_STRING =
+  process.env.SECURITY_FIXES_STRING || "### Security Fixes:";
+const MAX_RELEASES_PER_CHANNEL = 10;
+const MAX_GITHUB_RELEASES = 1000;
+const CHART_PATH = "charts/gitops-runtime/Chart.yaml";
+const DEFAULT_APP_VERSION = "0.0.0";
+
+if (!TOKEN) {
+  console.error("❌ GITHUB_TOKEN environment variable is required");
+  process.exit(1);
+}
+
+const octokit = new Octokit({ auth: TOKEN });
+
+function detectChannel(version) {
+  const match = version.match(LATEST_PATTERN);
+  if (match) {
+    const month = Number(match[2]);
+    if (month >= 1 && month <= 12) {
+      return "latest";
+    }
+  }
+  return "stable";
+}
+
+/**
+ * Normalize version for semver validation
+ * Converts: 2025.01-1 → 2025.1.1
+ */
+function normalizeVersion(version, channel) {
+  if (channel === "latest") {
+    const match = version.match(LATEST_PATTERN);
+    if (match) {
+      const year = match[1];
+      const month = Number(match[2]);
+      const patch = match[3];
+      return `${year}.${month}.${patch}`;
+    }
+  }
+  return version;
+}
+
+function isValidVersion(normalized) {
+  return !!semver.valid(normalized);
+}
+
+function compareVersions(normA, normB) {
+  try {
+    return semver.compare(normA, normB);
+  } catch (error) {
+    console.warn(`Failed to compare versions:`, error.message);
+    return 0;
+  }
+}
+
+async function getAppVersionFromChart(tag) {
+  try {
+    const { data } = await octokit.repos.getContent({
+      owner: OWNER,
+      repo: REPO,
+      path: CHART_PATH,
+      ref: tag,
+      mediaType: {
+        format: "raw",
+      },
+    });
+
+    const chart = load(data);
+    return chart.appVersion || DEFAULT_APP_VERSION;
+  } catch (error) {
+    console.warn(`  ⚠️  Failed to get appVersion for ${tag}:`, error.message);
+    return DEFAULT_APP_VERSION;
+  }
+}
+
+async function fetchReleases() {
+  console.log("📦 Fetching releases from GitHub using Octokit...");
+
+  const allReleases = [];
+  let page = 0;
+
+  try {
+    for await (const response of octokit.paginate.iterator(
+      octokit.rest.repos.listReleases,
+      {
+        owner: OWNER,
+        repo: REPO,
+        per_page: 100,
+      }
+    )) {
+      page++;
+      const releases = response.data;
+
+      allReleases.push(...releases);
+      console.log(`  Fetched page ${page} (${releases.length} releases)`);
+
+      if (allReleases.length >= MAX_GITHUB_RELEASES) {
+        console.log(
+          `  Reached ${MAX_GITHUB_RELEASES} releases limit, stopping...`
+        );
+        break;
+      }
+    }
+  } catch (error) {
+    console.error("Error fetching releases:", error.message);
+    throw error;
+  }
+
+  console.log(`✅ Fetched ${allReleases.length} total releases`);
+  return allReleases;
+}
+
+function processReleases(rawReleases) {
+  console.log("\n🔍 Processing releases...");
+
+  const releases = [];
+  const channels = { stable: [], latest: [] };
+
+  let skipped = 0;
+
+  for (const release of rawReleases) {
+    if (release.draft || release.prerelease) {
+      skipped++;
+      console.log(`  ⚠️  Skipping draft or prerelease: ${release.tag_name}`);
+      continue;
+    }
+
+    const version = release.tag_name || release.name;
+    if (!version) {
+      skipped++;
+      console.log(
+        `  ⚠️  Skipping release without version: ${release.tag_name}`
+      );
+      continue;
+    }
+
+    const channel = detectChannel(version);
+
+    const normalized = normalizeVersion(version, channel);
+
+    if (!isValidVersion(normalized)) {
+      console.log(`  ⚠️  Skipping invalid version: ${version}`);
+      skipped++;
+      continue;
+    }
+
+    const hasSecurityFixes =
+      release.body?.includes(SECURITY_FIXES_STRING) || false;
+
+    const releaseData = {
+      version,
+      normalized,
+      channel,
+      hasSecurityFixes,
+      publishedAt: release.published_at,
+      url: release.html_url,
+      createdAt: release.created_at,
+    };
+
+    releases.push(releaseData);
+    channels[channel].push(releaseData);
+  }
+
+  console.log(
+    `✅ Processed ${releases.length} valid releases (skipped ${skipped})`
+  );
+  console.log(`   Stable: ${channels.stable.length}`);
+  console.log(`   Latest: ${channels.latest.length}`);
+
+  return { releases, channels };
+}
+
+async function buildChannelData(channelReleases, channelName) {
+  const sorted = channelReleases.sort((a, b) => {
+    return compareVersions(b.normalized, a.normalized);
+  });
+
+  const latestWithSecurityFixes =
+    sorted.find((r) => r.hasSecurityFixes)?.version || null;
+  const topReleases = sorted.slice(0, MAX_RELEASES_PER_CHANNEL);
+
+  console.log(
+    `  Fetching appVersion for ${topReleases.length} ${channelName} releases...`
+  );
+  for (const release of topReleases) {
+    release.appVersion = await getAppVersionFromChart(release.version);
+  }
+
+  const latestVersion = sorted[0]?.version;
+  const latestSecureIndex = latestWithSecurityFixes
+    ? sorted.findIndex((r) => r.version === latestWithSecurityFixes)
+    : -1;
+
+  topReleases.forEach((release, index) => {
+    release.upgradeAvailable = release.version !== latestVersion;
+    release.hasSecurityVulnerabilities =
+      latestSecureIndex >= 0 && index > latestSecureIndex;
+  });
+
+  return {
+    releases: topReleases,
+    latestChartVersion: sorted[0]?.version || null,
+    latestWithSecurityFixes,
+  };
+}
+
+async function buildIndex() {
+  console.log("🚀 Building release index...\n");
+  console.log(`📍 Repository: ${OWNER}/${REPO}\n`);
+
+  try {
+    const rawReleases = await fetchReleases();
+
+    const { releases, channels } = processReleases(rawReleases);
+
+    console.log("\n📊 Building channel data...");
+    const stable = await buildChannelData(channels.stable, "stable");
+    const latest = await buildChannelData(channels.latest, "latest");
+
+    console.log(`   Stable latest: ${stable.latest || "none"}`);
+    console.log(`   Latest latest: ${latest.latest || "none"}`);
+    if (stable.latestWithSecurityFixes) {
+      console.log(`   🔒 Stable security: ${stable.latestWithSecurityFixes}`);
+    }
+    if (latest.latestWithSecurityFixes) {
+      console.log(`   🔒 Latest security: ${latest.latestWithSecurityFixes}`);
+    }
+
+    const index = {
+      generatedAt: new Date().toISOString(),
+      repository: `${OWNER}/${REPO}`,
+      channels: {
+        stable: {
+          releases: stable.releases,
+          latestChartVersion: stable.latestChartVersion,
+          latestWithSecurityFixes: stable.latestWithSecurityFixes,
+        },
+        latest: {
+          releases: latest.releases,
+          latestChartVersion: latest.latestChartVersion,
+          latestWithSecurityFixes: latest.latestWithSecurityFixes,
+        },
+      },
+      stats: {
+        totalReleases: releases.length,
+        stableSecure: stable.latestWithSecurityFixes || null,
+        latestSecure: latest.latestWithSecurityFixes || null,
+      },
+    };
+
+    console.log("\n💾 Writing index file...");
+    const outDir = path.join(process.cwd(), "releases");
+    if (!fs.existsSync(outDir)) {
+      fs.mkdirSync(outDir, { recursive: true });
+    }
+
+    const outputPath = path.join(outDir, "releases.json");
+    fs.writeFileSync(outputPath, JSON.stringify(index, null, 2));
+
+    console.log("\n✅ Release index built successfully!");
+    console.log("\n📋 Summary:");
+    console.log(`   Total releases: ${index.stats.totalReleases}`);
+    console.log(`\n   🟢 Stable Channel:`);
+    console.log(
+      `      Latest: ${index.channels.stable.latestChartVersion || "none"}`
+    );
+    console.log(
+      `      Latest secure: ${
+        index.channels.stable.latestWithSecurityFixes || "none"
+      }`
+    );
+    console.log(`\n   🔵 Latest Channel:`);
+    console.log(
+      `      Latest: ${index.channels.latest.latestChartVersion || "none"}`
+    );
+    console.log(
+      `      Latest secure: ${
+        index.channels.latest.latestWithSecurityFixes || "none"
+      }`
+    );
+    console.log(`\n📁 Files created:`);
+    console.log(`   ${outputPath}`);
+  } catch (error) {
+    console.error("\n❌ Error building index:", error.message);
+    if (error.status) {
+      console.error(`   GitHub API Status: ${error.status}`);
+    }
+    console.error(error.stack);
+    process.exit(1);
+  }
+}
+
+buildIndex();