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137 lines
4.3 KiB
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Deploying Corda to Corda Testnet from a Google Cloud Platform VM
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================================================================
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.. contents::
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This document explains how to deploy a Corda node to Google Cloud Platform that can connect directly to the Corda Testnet. A self service download link can be obtained from https://testnet.corda.network. This document will describe how to set up a virtual machine on the Google Cloud Platform (GCP) to deploy your pre-configured Corda node and automatically connnect to Testnet.
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Pre-requisites
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--------------
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* Ensure you have a registered Google Cloud Platform account with
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billing enabled (https://cloud.google.com/billing/docs/how-to/manage-billing-account) which can create virtual machines under your subscription(s) and you are logged on to the GCP console: https://console.cloud.google.com.
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Deploy Corda node
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-----------------
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Browse to https://console.cloud.google.com and log in with your
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Google credentials.
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**STEP 1: Create a GCP Project**
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In the project drop down click on the plus icon to create a new
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project to house your Corda resources.
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.. image:: resources/consolegcp.png
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.. image:: resources/console2.png
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.. image:: resources/newprojectgcp.png
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Enter a project name and click Create.
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**STEP 2: Launch the VM**
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In the left hand side nav click on Compute Engine.
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.. image:: resources/gcpcompute.png
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Click on Create Instance.
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.. image:: resources/consolegcpcreatevm.png
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Fill in the form with the desired VM specs:
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Recommended minimum 4vCPU with 15GB memory and 40GB Persistent disk.
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Ubuntu 16.04 LTS.
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Allow full API access.
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Dont worry about firewall settings as you will configure those later.
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.. image:: resources/gcpconsolevmsettings.png
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Click Create and wait a few sections for your instance to provision
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and start running.
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**STEP 3: Connect to your VM and set up the environment**
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Once your instance is running click on the SSH button to launch a
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cloud SSH terminal in a new window.
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.. image:: resources/gcpconsolelaunchssh.png
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.. image:: resources/gcpshell.png
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Run the following to configure the firewall to allow Corda traffic
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.. code:: bash
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gcloud compute firewall-rules create nodetonode --allow tcp:10002
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gcloud compute firewall-rules create nodetorpc --allow tcp:10003
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gcloud compute firewall-rules create webserver --allow tcp:8080
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Promote the ephemeral IP address associated with this
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instance to a static IP address.
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First check the region and select the one you are using from the list:
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.. code:: bash
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gcloud compute regions list
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Find your external IP:
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.. code:: bash
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gcloud compute addresses list
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Run this command with the ephemeral IP address as the argument to
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the --addresses flag and the region:
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.. code:: bash
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gcloud compute addresses create corda-node --addresses 35.204.53.61 --region europe-west4
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**STEP 4: Download and set up your Corda node**
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Now your GCP environment is configured you can switch to the Testnet
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web application and click on the copy to clipboard button to get a one
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time installation script.
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.. note:: If you have not already set up your account on Testnet then please visit https://testnet.corda.network and sign up.
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.. image:: resources/testnet-platform.png
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You can generate as many Testnet identites as you like by refreshing
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this page to generate a new one time link.
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In the terminal of your cloud instance paste the command you just copied to install and run
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your unique Corda instance:
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.. code:: bash
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sudo ONE_TIME_DOWNLOAD_KEY=YOUR_UNIQUE_DOWNLOAD_KEY_HERE bash -c "$(curl -L https://testnet.corda.network/api/user/node/install.sh)"
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.. warning:: This command will execute the install script as ROOT on your cloud instance. You may wish to examine the script prior to executing it on your machine.
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You can follow the progress of the installation by typing the following command in your terminal:
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.. code:: bash
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tail -f /opt/corda/logs/node-<VM-NAME>.log
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Once the node has booted up you can navigate to the external web address of the instance on port 8080. If everything is working you should see the following:
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.. image:: resources/installed-cordapps.png
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Testing your deployment
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-----------------------
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To test your deployment is working correctly follow the instructions in :doc:`testnet-explorer-corda` to set up the Finance CorDapp and issue cash to a counterparty.
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This will also demonstrate how to install a custom CorDapp.
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