Deployment Strategy (#4) (#6)

src/utilities/files-helper.ts

@@ -0,0 +1,81 @@
+'use strict';
+
+import * as fs from 'fs';
+import * as path from 'path';
+import * as core from '@actions/core';
+import * as os from 'os';
+
+export function getTempDirectory(): string {
+    return process.env['runner.tempDirectory'] || os.tmpdir();
+}
+
+export function getNewUserDirPath(): string {
+    let userDir = path.join(getTempDirectory(), 'kubectlTask');
+    ensureDirExists(userDir);
+
+    userDir = path.join(userDir, getCurrentTime().toString());
+    ensureDirExists(userDir);
+
+    return userDir;
+}
+
+export function ensureDirExists(dirPath: string): void {
+    if (!fs.existsSync(dirPath)) {
+        fs.mkdirSync(dirPath);
+    }
+}
+
+export function assertFileExists(path: string) {
+    if (!fs.existsSync(path)) {
+        core.error(`FileNotFoundException : ${path}`);
+        throw new Error(`FileNotFoundException:  ${path}`);
+    }
+}
+
+export function writeObjectsToFile(inputObjects: any[]): string[] {
+    const newFilePaths = [];
+
+    if (!!inputObjects) {
+        inputObjects.forEach((inputObject: any) => {
+            try {
+                const inputObjectString = JSON.stringify(inputObject);
+                if (!!inputObject.kind && !!inputObject.metadata && !!inputObject.metadata.name) {
+                    const fileName = getManifestFileName(inputObject.kind, inputObject.metadata.name);
+                    fs.writeFileSync(path.join(fileName), inputObjectString);
+                    newFilePaths.push(fileName);
+                } else {
+                    core.debug('Input object is not proper K8s resource object. Object: ' + inputObjectString);
+                }
+            } catch (ex) {
+                core.debug('Exception occurred while writing object to file : ' + inputObject + ' . Exception: ' + ex);
+            }
+        });
+    }
+
+    return newFilePaths;
+}
+
+export function writeManifestToFile(inputObjectString: string, kind: string, name: string): string {
+    if (inputObjectString) {
+        try {
+            const fileName = getManifestFileName(kind, name);
+            fs.writeFileSync(path.join(fileName), inputObjectString);
+            return fileName;
+        } catch (ex) {
+            core.debug('Exception occurred while writing object to file : ' + inputObjectString + ' . Exception: ' + ex);
+        }
+    }
+    return '';
+}
+
+function getManifestFileName(kind: string, name: string) {
+    const filePath = kind + '_' + name + '_' + getCurrentTime().toString();
+    const tempDirectory = getTempDirectory();
+    const fileName = path.join(tempDirectory, path.basename(filePath));
+    return fileName;
+}
+
+function getCurrentTime(): number {
+    return new Date().getTime();
+}
+