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deployment

README.md

Trillian supported deployments

This directory contains the supported deployment types for Trillian. Currently, this includes:

Further deployment types (community-supported) can be found in the examples/deployment directory.

Kubernetes on GCP using Cloud Spanner

Architecture

The infrastructure is created using Terraform. It consists of a Cloud Spanner database, a Trillian-specific etcd cluster, the Trillian logserver and logsigner. A Workload Identity is set up by Terraform to give the services access to Cloud Spanner. The container images are based on v1.3.3.

Prerequisites

  1. Terraform, kubectl, and gcloud are installed.
  2. You have a Google account with billing configured.
  3. Terraform should have access to the credentials to manage your Cloud Project. Follow the instructions from the Terraform Google Provider documentation to set this up.

Installation

  1. Create a new project and copy its Project ID.
  2. Create the infrastructure: terraform init && terraform apply -var="gcp_project=PROJECT_ID". It is ok to re-execute this command at any time.
  3. The script will output a gcloud command similar to: 
    gcloud config set project PROJECT_ID && \
gcloud container clusters get-credentials cluster --region=us-west1
    Execute this set of commands to get the credentials for your new cluster.
  4. Deploy the containers: kubectl apply -k . This last command may fail with an error similar to: unable to recognize ".": no matches for kind "EtcdCluster" in version "etcd.database.coreos.com/v1beta2". In this case, simply re-run it until the error is not reported anymore.

Uninstall

  1. Destroy the infrastructure: terraform destroy.