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Demo Kubernetes AWS Deployment Using Pulumi

Example on deploying Hasura on AWS EKS using Pulumi

Requirements

  1. Install Pulumi
  2. Install Helm

Deployed Resources

  • AWS VPC
  • AWS ECR Container for Hasura (with Migrations)
  • AWS EKS Kubeternetes Cluster
  • AWS RDS PostgreSQL Instance
    • No public access only access allowed from EKS Cluster using Securtiy Group.
  • AWS ElasticCache Redis Instance
    • No public access only access allowed from EKS Cluster using Securtiy Group.

Kubernetes Instances/Components

  • Namespace
  • Hasura Instance
  • Hasura Backend Plus
  • Secrets Including Postgres and Redis Connection details
  • Nginx Ingress (Using Helm)

Planned Features

  • GitHub Actions
  • Deployment of Dockerised Node App (using ECR) for Hasura Event Triggers
  • Automatic SSL/certs

Fun Instructions

  1. cd infrastructure
  2. pulumi up
  3. pulumi stack output kubeconfig > kubeconfigs/test.json
  4. KUBECONFIG=./kubeconfigs/test.json kubectl get pods --namespace=`pulumi stack output namespace`
  5. KUBECONFIG=./kubeconfigs/test.json kubectl scale deployment/hasura --replicas=2 --namespace=`pulumi stack output namespace`

Accessing services

  1. KUBECONFIG=./kubeconfigs/test.json kubectl get ingresses --namespace=`pulumi stack output namespace`
  2. curl -H 'Host: graphql.pulumi.demo.com' <YOUR_INGRESS_ADDRESS>/healthz
  3. curl -H 'Host: auth.pulumi.demo.com' <YOUR_INGRESS_ADDRESS>/healthz

Hasura Backend Plus Commands

Register User

curl --location --request POST '<YOUR_INGRESS_ADDRESS>/auth/local/register' \
--header 'Host: auth.pulumi.demo.com' \
--header 'Content-Type: application/json' \
--header 'Cache-Control: no-cache' \
--data-raw '{
    "username": "testuser",
    "password": "testpassword"
}'

Login User

curl --location --request POST '<YOUR_INGRESS_ADDRESS>/auth/local/login' \
--header 'Host: auth.pulumi.demo.com' \
--header 'Content-Type: application/json' \
--header 'Cache-Control: no-cache' \
--data-raw '{
    "username": "testuser",
    "password": "testpassword"
}'

Bring Down Resources

  1. pulumi destroy --yes