Weather app deployment

This repo contains an Ansible playbook for deploying Postresql cluster DB with etcd and haproxy as load balancer. The app is distributed in a Docker container and can be deployed via Helm chart. Simple API in the app returns weather information from the database.

Infrastructure schema

Steps to deploy

1. Clone repo and cd into it.
2. Place the kubeconfig file in the master with student* name pattern.
3. Add SSH public keys to hosts.
4. Setup Ansible inventory:
   1. Fill  internal IPs for etcd_cluster \ balancers (which will haproxy) \ master \ replica in inventory file
   2. Change ansible_ssh_private_key_file= to your private SSH key path for hosts.
5. Setup credentials for the DB connection in ./vars/main.yml - admin as an example.
6. Run playbook - ansible-playbook deploy_pgcluster.yml
7. After successful Ansible Playbook execution, you will see a public IP for Haproxy.
8.  Setup Helm values in ./app/values.yalm:
   1. Change  PGID, PGPASS from step 5 to yours and PGIP to Haproxy IP from step 7.
   2. Change DOTNET_ENVIRONMENT to Development if you want see Swagger page on the $IP/swagger/index.html
9. Deploy Helm chart in K8S: helm --kubeconfig ./student*.yaml install app /app
10. Run  ./app/test-api.sh to see an example API response from DB.

Credits

• Original Ansible Playbook
• API