Finish migrating to nodejs

main.js

@@ -1,20 +1,43 @@
-const fs = require('fs');
-const { execFileSync } = require('child_process');
-const tmp = require('tmp');
+async function main() {
+    const homedir = require('os').homedir();
+    const fs = require('fs');
+    const {execFileSync} = require('child_process');
+    const tmp = require('tmp');
+    const {waitFile} = require('wait-file');
 
-tmp.setGracefulCleanup();
+    tmp.setGracefulCleanup();
 
-const tmpobj = tmp.fileSync({
-    mode: 0o744,
-    prefix: 'helm-exec-',
-    postfix: '.sh',
-    discardDescriptor: true,
-});
+    const execShFile = tmp.fileSync({
+        mode: 0o744,
+        prefix: 'helm-exec-',
+        postfix: '.sh',
+        discardDescriptor: true,
+    });
 
-fs.appendFile(tmpobj.name, process.env.INPUT_EXEC, function (err) {
-    if (err) throw err;
+    fs.mkdirSync(homedir + '/.kube', {
+        recursive: true,
+    });
+    fs.appendFileSync(
+        homedir + '/.kube/config',
+        "\r\n\r\n" + process.env.INPUT_KUBECONFIG,
+        {
+            mode: 0o600,
+        }
+    );
 
-    const result = execFileSync(tmpobj.name).toString();
+    fs.appendFileSync(execShFile.name, process.env.INPUT_EXEC);
+
+    await waitFile({
+        resources: [
+            homedir + '/.kube/config',
+            execShFile.name,
+        ],
+    });
+
+    const result = execFileSync(execShFile.name).toString();
     console.log(result);
     console.log('::set-output name=helm_output::' + result.split('%').join('%25').split('\n').join('%0A').split('\r').join('%0D'));
-});
+
+}
+
+main();