Switch to @hashicorp/js-releases for finding correct package to install (#70)

.github/workflows/setup-terraform.yml

@@ -21,6 +21,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform - ${{ matrix['terraform-versions'] }}
       uses: ./
@@ -45,6 +47,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
   
     - name: Setup Terraform (no wrapper) - ${{ matrix['terraform-versions'] }}
       uses: ./
@@ -70,6 +74,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform - ${{ matrix['terraform-versions'] }}
       uses: ./
@@ -89,6 +95,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
   
     - name: Setup Terraform (no wrapper) - ${{ matrix['terraform-versions'] }}
       uses: ./
@@ -110,6 +118,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform
       uses: ./
@@ -139,6 +149,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform
       uses: ./
@@ -167,6 +179,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform
       uses: ./
@@ -190,6 +204,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform
       uses: ./
@@ -221,6 +237,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform
       uses: ./
@@ -257,6 +275,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform
       uses: ./
@@ -290,6 +310,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Install dependencies
+      run: npm ci
 
     - name: Setup Terraform
       uses: ./

lib/setup-terraform.js

@@ -7,60 +7,7 @@ const path = require('path');
 const core = require('@actions/core');
 const tc = require('@actions/tool-cache');
 const io = require('@actions/io');
-const fetch = require('node-fetch');
+const releases = require('@hashicorp/js-releases');
-const semver = require('semver');
-
-// Find latest version given list of all available
-function findLatest (allVersions) {
-  core.debug('Parsing version list for latest version');
-
-  let latest = '0.0.0';
-
-  for (const version in allVersions.versions) {
-    // Ignore pre-release
-    if (semver.prerelease(version) !== null) {
-      continue;
-    }
-    // is "version" greater than "latest"
-    latest = semver.gt(version, latest) ? version : latest;
-  }
-
-  core.info(`Latest version is ${latest}`);
-
-  return allVersions.versions[latest];
-}
-
-// Find specific version given list of all available
-function findSpecific (allVersions, version) {
-  core.debug(`Parsing version list for version ${version}`);
-  return allVersions.versions[version];
-}
-
-// Find specific version given list of all available
-function findLatestMatchingSpecification (allVersions, version) {
-  core.debug(`Parsing version list for latest matching specification ${version}`);
-  const versionList = [];
-  for (const _version in allVersions.versions) {
-    versionList.push(_version);
-  }
-  const bestMatchVersion = semver.maxSatisfying(versionList, version);
-  if (!bestMatchVersion) {
-    throw new Error(`Could not find Terraform version matching ${version} in version list`);
-  }
-  core.info(`Latest version satisfying ${version} is ${bestMatchVersion}`);
-
-  return allVersions.versions[bestMatchVersion];
-}
-
-async function downloadMetadata () {
-  core.debug('Downloading version metadata');
-
-  return fetch('https://releases.hashicorp.com/terraform/index.json')
-    .then(res => res.json())
-    .catch(err => {
-      core.setFailed(`Failed to fetch version metadata. ${err}`);
-    });
-}
 
 // arch in [arm, x32, x64...] (https://nodejs.org/api/os.html#os_os_arch)
 // return value in [amd64, 386, arm]
@@ -81,23 +28,6 @@ function mapOS (os) {
   return mappings[os] || os;
 }
 
-// Get build for an operating system and architecture
-function getBuild (versionObj, os, arch) {
-  core.debug(`Getting build for Terraform version ${versionObj.version}, os ${os}, and arch ${arch}`);
-
-  const buildObj = versionObj.builds.length &&
-    versionObj.builds.find(build =>
-      build.arch === mapArch(arch) &&
-        build.os === mapOS(os)
-    );
-
-  if (!buildObj) {
-    throw new Error(`Terraform version ${versionObj.version} not available for ${os} and ${arch}`);
-  }
-
-  return buildObj;
-}
-
 async function downloadCLI (url) {
   core.debug(`Downloading Terraform CLI from ${url}`);
   const pathToCLIZip = await tc.downloadTool(url);
@@ -183,40 +113,35 @@ async function run () {
     const wrapper = core.getInput('terraform_wrapper') === 'true';
 
     // Gather OS details
-    const osPlat = os.platform();
+    const osPlatform = os.platform();
     const osArch = os.arch();
 
-    // Download metadata about all versions of Terraform CLI
+    core.debug(`Finding releases for Terraform version ${version}`);
-    const versionMetadata = await downloadMetadata();
+    const release = await releases.getRelease('terraform', version);
-
+    const platform = mapOS(osPlatform);
-    const specificMatch = findSpecific(versionMetadata, version);
+    const arch = mapArch(osArch);
-    // Find latest or a specific version like 0.1.0
+    core.debug(`Getting build for Terraform version ${release.version}: ${platform} ${arch}`);
-    const versionObj = version.toLowerCase() === 'latest'
+    const build = release.getBuild(platform, arch);
-      ? findLatest(versionMetadata) : specificMatch || findLatestMatchingSpecification(versionMetadata, version);
+    if (!build) {
-
+      throw new Error(`Terraform version ${version} not available for ${platform} and ${arch}`);
-    if (versionObj) {
-      // Get the build available for this runner's OS and a 64 bit architecture
-      const buildObj = getBuild(versionObj, osPlat, osArch);
-
-      // Download requested version
-      const pathToCLI = await downloadCLI(buildObj.url);
-
-      // Install our wrapper
-      if (wrapper) {
-        await installWrapper(pathToCLI);
-      }
-
-      // Add to path
-      core.addPath(pathToCLI);
-
-      // Add credentials to file if they are provided
-      if (credentialsHostname && credentialsToken) {
-        await addCredentials(credentialsHostname, credentialsToken, osPlat);
-      }
-      return versionObj;
-    } else {
-      core.setFailed(`Could not find Terraform version ${version} in version list`);
     }
+
+    // Download requested version
+    const pathToCLI = await downloadCLI(build.url);
+
+    // Install our wrapper
+    if (wrapper) {
+      await installWrapper(pathToCLI);
+    }
+
+    // Add to path
+    core.addPath(pathToCLI);
+
+    // Add credentials to file if they are provided
+    if (credentialsHostname && credentialsToken) {
+      await addCredentials(credentialsHostname, credentialsToken, osPlatform);
+    }
+    return release;
   } catch (error) {
     core.error(error);
     throw error;

package.json

@@ -15,18 +15,17 @@
   "author": "",
   "dependencies": {
     "@actions/core": "^1.2.6",
-    "@actions/github": "^2.1.1",
+    "@actions/github": "^4.0.0",
     "@actions/io": "^1.0.2",
-    "@actions/tool-cache": "^1.6.0",
+    "@actions/tool-cache": "^1.6.1",
-    "node-fetch": "^2.6.1",
+    "@hashicorp/js-releases": "^1.1.0"
-    "semver": "^7.3.2"
   },
   "devDependencies": {
     "@zeit/ncc": "0.22.1",
     "husky": "^4.3.0",
-    "jest": "^25.2.4",
+    "jest": "^26.6.3",
-    "nock": "^12.0.3",
+    "nock": "^13.0.5",
-    "semistandard": "^14.2.0"
+    "semistandard": "^16.0.0"
   },
   "jest": {
     "testPathIgnorePatterns": [