XDAI FM chainlink k8 setup in GCP

This project helps up setting a chainlink XDAI node in a kubernetes cluster in Google Cloud Platform

Documentation

How to Run A Fullnode on XDAI FM Chain

Running Chainlink Nodes on Kubernetes and the Google Cloud Platform

Code setup steps

Color	Hex
Setup k8 cluster	k8-cluster-gcp
Setup Postgres DB	postgres-terraform
Helm setup for the chainlink node	helm

Appendix

We are in the process of pulling in prometheus and grafana setups via IaC

Installation

Install Gcloud CLI before starting

  wget https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-363.0.0-darwin-arm.tar.gz
  tar -xvzf google-cloud-sdk-363.0.0-darwin-arm.tar.gz
  cd google-cloud-sdk
  ./install.sh

Install kubectl in Gcloud CLI

  gcloud components install kubectl

Install helm ith Homebrew

  brew install helm

Helm repo

[Add helm repo] (helm repo add external-secrets https://charts.external-secrets.io)

[Install the chart] (helm install external-secrets external-secrets/external-secrets)

Secrets

All the sensitive data, like API_KEY, API_PASSWORD, DATABASE_URL, FLAGS_CONTRACT_ADDRESS, LINK_CONTRACT_ADDRESS are stored in GCP's secret manager.

Environment Variables

To run this project, you will need to add the following environment variables

in configmap.yaml file

CHAINLINK_TLS_PORT ETH_URL ROOT SECURE_COOKIES MINIMUM_CONTRACT_PAYMENT_LINK_JUELS ALLOW_ORIGINS ETH_CHAIN_ID ETH_SECONDARY_URLS DEFAULT_HTTP_ALLOW_UNRESTRICTED_NETWORK_ACCESS

as secrets in secret_env.yaml file

DATABASE_URL LINK_CONTRACT_ADDRESS FLAGS_CONTRACT_ADDRESS

For passing login credentials (secrets)

API PASSWORD

Deployment of kubernertes cluster

To deploy this project make sure you have terraform installed

Terraform instalation guide

  cd k8-cluster-gcp
  terraform init
  terraform plan
  terraform apply --auto-approve

This will install the cluster

Changes need to be done to the terraform.vars file for customization needs

Deployment of postgres db

  cd postgres-terraform
  terraform init
  terraform plan
  terraform apply --auto-approve

This will install the database

Changes need to be done to the terraform.vars file for customization needs

Deployment of XDAI chainlink node

To deploy this project make sure you have helm installed

  cd ./helm/charts
  helm install XDAI-FM .
  helm list ```This will show the helm deployed```
  kubectl get all