adding graph ql for Helm versions - master

action.yml

@@ -1,10 +1,14 @@
 name: 'Helm tool installer'
 description: 'Install a specific version of helm binary. Acceptable values are latest or any semantic version string like 1.15.0'
-inputs: 
+inputs:
   version:
     description: 'Version of helm'
     required: true
     default: 'latest'
+  token:
+    description: 'Github token'
+    default: ${{ github.token }}
+    required: true
 outputs:
   helm-path:
     description: 'Path to the cached helm binary'

lib/run.js

@@ -1,6 +1,25 @@
 "use strict";
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -10,24 +29,18 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 const os = __importStar(require("os"));
 const path = __importStar(require("path"));
 const util = __importStar(require("util"));
 const fs = __importStar(require("fs"));
-const semver = __importStar(require("semver"));
 const toolCache = __importStar(require("@actions/tool-cache"));
 const core = __importStar(require("@actions/core"));
+const graphql_1 = require("@octokit/graphql");
 const helmToolName = 'helm';
 const stableHelmVersion = 'v3.2.1';
-const helmAllReleasesUrl = 'https://api.github.com/repos/helm/helm/releases';
+const LATEST_HELM2_VERSION = '2.*';
+const LATEST_HELM3_VERSION = '3.*';
 function getExecutableExtension() {
     if (os.type().match(/^Win/)) {
         return '.exe';
@@ -45,32 +58,6 @@ function getHelmDownloadURL(version) {
             return util.format('https://get.helm.sh/helm-%s-windows-amd64.zip', version);
     }
 }
-function getStableHelmVersion() {
-    return __awaiter(this, void 0, void 0, function* () {
-        try {
-            const downloadPath = yield toolCache.downloadTool(helmAllReleasesUrl);
-            const responseArray = JSON.parse(fs.readFileSync(downloadPath, 'utf8').toString().trim());
-            let latestHelmVersion = semver.clean(stableHelmVersion);
-            responseArray.forEach(response => {
-                if (response && response.tag_name) {
-                    let currentHelmVerison = semver.clean(response.tag_name.toString());
-                    if (currentHelmVerison) {
-                        if (currentHelmVerison.toString().indexOf('rc') == -1 && semver.gt(currentHelmVerison, latestHelmVersion)) {
-                            //If current helm version is not a pre release and is greater than latest helm version
-                            latestHelmVersion = currentHelmVerison;
-                        }
-                    }
-                }
-            });
-            latestHelmVersion = "v" + latestHelmVersion;
-            return latestHelmVersion;
-        }
-        catch (error) {
-            core.warning(util.format("Cannot get the latest Helm info from %s. Error %s. Using default Helm version %s.", helmAllReleasesUrl, error, stableHelmVersion));
-        }
-        return stableHelmVersion;
-    });
-}
 var walkSync = function (dir, filelist, fileToFind) {
     var files = fs.readdirSync(dir);
     filelist = filelist || [];
@@ -90,7 +77,7 @@ var walkSync = function (dir, filelist, fileToFind) {
 function downloadHelm(version) {
     return __awaiter(this, void 0, void 0, function* () {
         if (!version) {
-            version = yield getStableHelmVersion();
+            version = yield getLatestHelmVersionFor("v3");
         }
         let cachedToolpath = toolCache.find(helmToolName, version);
         if (!cachedToolpath) {
@@ -113,6 +100,41 @@ function downloadHelm(version) {
         return helmpath;
     });
 }
+function getLatestHelmVersionFor(type) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const token = core.getInput('token', { 'required': true });
+        try {
+            const { repository } = yield graphql_1.graphql(`{
+      repository(name:"helm", owner:"helm") {
+        releases(last: 100)  {
+            nodes {
+              tagName
+            }
+        }
+      }
+    }`, {
+                headers: {
+                    authorization: `token ${token}`
+                }
+            });
+            const releases = repository.releases.nodes.reverse();
+            let latestValidRelease = releases.find(release => isValidVersion(release.tagName, type));
+            if (latestValidRelease)
+                return latestValidRelease.tagName;
+        }
+        catch (err) {
+            core.warning(util.format("Error while fetching the latest Helm %s release. Error: %s. Using default Helm version %s.", type, err.toString(), stableHelmVersion));
+        }
+        core.warning(util.format("Could not find stable release for Helm %s. Using default Helm version %s.", type, stableHelmVersion));
+        return stableHelmVersion;
+    });
+}
+// isValidVersion checks if verison matches the specified type and is a stable release
+function isValidVersion(version, type) {
+    if (!version.toLocaleLowerCase().startsWith(type))
+        return false;
+    return version.indexOf('rc') == -1;
+}
 function findHelm(rootFolder) {
     fs.chmodSync(rootFolder, '777');
     var filelist = [];
@@ -127,12 +149,16 @@ function findHelm(rootFolder) {
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         let version = core.getInput('version', { 'required': true });
-        if (version.toLocaleLowerCase() === 'latest') {
-            version = yield getStableHelmVersion();
+        if (version.toLocaleLowerCase() === 'latest' || version === LATEST_HELM3_VERSION) {
+            version = yield getLatestHelmVersionFor("v3");
+        }
+        else if (version === LATEST_HELM2_VERSION) {
+            version = yield getLatestHelmVersionFor("v2");
         }
         else if (!version.toLocaleLowerCase().startsWith('v')) {
             version = 'v' + version;
         }
+        core.debug(util.format("Downloading %s", version));
         let cachedPath = yield downloadHelm(version);
         try {
             if (!process.env['PATH'].startsWith(path.dirname(cachedPath))) {
@@ -146,4 +172,4 @@ function run() {
         core.setOutput('helm-path', cachedPath);
     });
 }
-run().catch(core.setFailed);
+run().catch(core.setFailed);

package.json

@@ -6,10 +6,11 @@
     "author": "Anumita Shenoy",
     "license": "MIT",
     "dependencies": {
-        "@actions/tool-cache": "1.1.2",
-        "@actions/io": "^1.0.0",
         "@actions/core": "^1.2.6",
         "@actions/exec": "^1.0.0",
+        "@actions/io": "^1.0.0",
+        "@actions/tool-cache": "1.1.2",
+        "@octokit/graphql": "^4.6.1",
         "semver": "^6.1.0"
     },
     "main": "lib/run.js",