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Dave Tucker db10280f5f run: Add gcp backend

This commit implements `moby run gcp` which allows for testing of moby
images on the Google Cloud Platform

This backend attaches (via SSH) to the serial console.
It generates instance-only SSH keys and adds the public key to the
image metadata. These are used by the `moby` tool only.

It will also automatically upload a file and creates an image if the prefix
given to `moby run` is a filename

Signed-off-by: Dave Tucker <dt@docker.com>

2017-04-05 14:50:23 +01:00

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Using Moby on Google Cloud Platform (GCP)

This is a quick guide to run Moby on GCP.

Setup

You have two choices for authentication with Google Cloud

You can use Application Default Credentials
You can use a Service Account

Application Default Credentials

You need the Google Cloud SDK installed. Either install it from the URL or view brew (on a Mac):

brew install google-cloud-sdk

Then, set up some environment variables (adjust as needed) and login:

export CLOUDSDK_CORE_PROJECT=<GCP project>
export CLOUDSDK_COMPUTE_ZONE=europe-west1-d
gcloud auth login

The authentication will redirect to a browser with Google login.

Also authenticate local applications with

gcloud auth application-default login

Service Account

You can use this guide to create a Service Account.

Make sure to download the credentials in JSON format and store them somewhere safe.

Build a moby image

Add a gcp output line to your yaml config, see the example in examples/gcp.yml.

Then do ./bin/moby myfile.yml

This will create a local myfile.img.tar.gz compressed image file, upload it to the specified bucket, and create a bootable image.

Create an instance and connect to it

With the image created, we can now create an instance and connect to the serial port.

moby run gcp -project myproject-1234 myfile

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