Nim Jayawardena NimJay

Error while using Node.js Cloud Client Libraries

While trying to locally run some Node.js/JavaScript code that used a Google Cloud Node.js client library, I ran into the following erorr:

(node:22057) MetadataLookupWarning: received unexpected error = request to http://123.456.789.123/computeMetadata/v1/instance failed, 
reason: connect ENOTSUP 123.456.789.123:80 - Local (192.0.0.2:63092) code = ENOTSUP
(Use `node --trace-warnings ...` to show where the warning was created)

Solution

Create Google Kubernetes Engine (GKE) Cluster

I regularly have to create new Google Kubernetes Engine (GKE) clusters (via Google Cloud Shell). I use the bash snippets below to do so.

Create cluster.

1. Set environment variables.

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Updating Address on Charles Schwab Web App

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	package main

	import (
	"context"
	"fmt"
	"os"

	"cloud.google.com/go/translate"
	"golang.org/x/text/language"
	)

	# Install Node dependencies.
	FROM node:16-slim AS builder-stage
	WORKDIR /app
	COPY package.json package.json
	COPY package-lock.json package-lock.json
	RUN npm install

	# Compile our TypeScript code.
	COPY src/ src/
	COPY tsconfig.json tsconfig.json

	# Set the version of Python you want to use here.
	FROM python:3.12.2-slim@sha256:36d57d7f9948fefe7b6092cfe8567da368033e71ba281b11bb9eeffce3d45bc6 as base

	# Ignore this. This is needed to build Online Boutique's recommendationservice.
	# RUN apt-get -qq update \
	# && apt-get install -y --no-install-recommends \
	# wget g++ \
	# && rm -rf /var/lib/apt/lists/*

	# This Dockerfile assumes that the requirements.in file is in the same folder as this Dockerfile.

	# If you're not using Cloud Shell, make sure to replace $GOOGLE_CLOUD_PROJECT with your Project ID.
	# Cloud Shell is a small virtual machine (in Google Cloud) that's tied to your Google Cloud account.

	export PROJECT_ID=$GOOGLE_CLOUD_PROJECT
	export CLUSTER_NAME=my-cluster-with-in-cluster-asm-1
	export KUBECONTEXT_NAME=${CLUSTER_NAME}
	export ZONE=us-central1-b
	export PROJECT_NUMBER=$(gcloud projects describe ${PROJECT_ID} --format='get(projectNumber)')
	export ASM_VERSION=1.14

	# If you're not using Cloud Shell, make sure to replace $GOOGLE_CLOUD_PROJECT with your Project ID.
	# Cloud Shell is a small virtual machine (in Google Cloud) that's tied to your Google Cloud account.

	export PROJECT_ID=$GOOGLE_CLOUD_PROJECT
	export CLUSTER_NAME=my-cluster-3
	export KUBECONTEXT_NAME=my-cluster-3
	export ZONE=us-central1-b
	export PROJECT_NUMBER=$(gcloud projects describe ${PROJECT_ID} --format='get(projectNumber)')

	echo "🏗️ Enabling necessary Google Cloud APIs..."

	# Check the suffix of the istiod-asm-* Service.
	kubectl get service --namespace=istio-system

	/**
	* This script could be used to test whether an endpoint could handle an overload
	* of HTTP requests.
	*/
	{
	const URL = "https://example.com";
	const MILLISEC_WAIT_PER_REQUEST = 100;

	function bombardWithHttpRequest() {
	fetch(URL)