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Prerequisites

This tutorial can be followed using either Google Cloud Platform or Microsoft Azure. Any sections where the commands to be entered are different based on the selected platform will either be captioned gcloud or az, depending on the platform that the command applies to.

Google Cloud Platform

This tutorial leverages the Google Cloud Platform to streamline provisioning of the compute infrastructure required to bootstrap a Kubernetes cluster from the ground up. Sign up for $300 in free credits.

Estimated cost to run this tutorial: $0.23 per hour ($5.50 per day).

The compute resources required for this tutorial exceed the Google Cloud Platform free tier.

Google Cloud Platform SDK

Install the Google Cloud SDK

Follow the Google Cloud SDK documentation to install and configure the gcloud command line utility.

Verify the Google Cloud SDK version is 338.0.0 or higher:

gcloud version

Set a Default Compute Region and Zone

This tutorial assumes a default compute region and zone have been configured.

If you are using the gcloud command-line tool for the first time init is the easiest way to do this:

gcloud init

Then be sure to authorize gcloud to access the Cloud Platform with your Google user credentials:

gcloud auth login

Next set a default compute region and compute zone:

gcloud config set compute/region us-west1

Set a default compute zone:

gcloud config set compute/zone us-west1-c

Use the gcloud compute zones list command to view additional regions and zones.

Microsoft Azure Cloud Platform

As an alternative, MS Azure can be used to provision resources to complete the tutorial. Estimated cost is roughly $11 a day

Azure CLI

Installation

Documentation on installing the azure CLI (az) is located here

az Setup

If this is your first time running the az tool, you will need to login. The easiest way to do this is via az login, which will bring up a web browser where you will fill out your username/password. Alternative methods for logging in are detailed here

Set your default location:

az config set defaults.location=eastus

Create a resource group to hold all VMs / VPCs / etc that will be created:

az group create --resource-group k8s-the-hard-way

Set the created resource group as the default:

az config set defaults.group=k8s-the-hard-way

Set the default output format to Table (easier to read than JSON, see here for other output formats available)

az config set core.output=table

Running Commands in Parallel with tmux

tmux can be used to run commands on multiple compute instances at the same time. Labs in this tutorial may require running the same commands across multiple compute instances, in those cases consider using tmux and splitting a window into multiple panes with synchronize-panes enabled to speed up the provisioning process.

The use of tmux is optional and not required to complete this tutorial.

Enable synchronize-panes by pressing ctrl+b followed by shift+:. Next type set synchronize-panes on at the prompt. To disable synchronization: set synchronize-panes off.

Next: Installing the Client Tools

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