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Personal Infra Documentation

Central documentation for Personal Infra project.

Repositories

Docs

Project documentation (this repository)

Terraform Projects

Terraform variables for different projects/environments. Terraform cloud uses those repo to run terraform. Utilizes modules listed below.

Terraform Modules

Terraform modules responsible for creating resources. Used by Terraform Projects listed above.

Ansible

Ansible ansible.cfg, inventory, roles and playboks, as well as ansible docker runner to keep everything neat.

ENV Variables

Required ENV variables in Terraform Run Environment.

OVH

https://registry.terraform.io/providers/ovh/ovh/latest/docs#provider-configuration

https://www.ovh.com/auth/api/createToken

Variables:

  • OVH_APPLICATION_KEY
  • OVH_APPLICATION_SECRET
  • OVH_CONSUMER_KEY
  • OVH_ENDPOINT

UptimeRobot

https://registry.terraform.io/providers/vexxhost/uptimerobot/latest/docs#configuration-reference

https://uptimerobot.com/dashboard#mySettings

Variables:

  • UPTIMEROBOT_API_KEY

CloudFlare

https://registry.terraform.io/providers/cloudflare/cloudflare/latest/docs#api_token

https://dash.cloudflare.com/profile/api-tokens

Variables:

  • CLOUDFLARE_API_TOKEN

Additionale features/info

Terraform fmt, tflint, terraform-docs

All Terraform (tf/tfmod) repositories should have configured .git/hooks/pre-commit to run:

  • terraform fmt
  • tflint
  • terraform-docs

To ensure repo quality and update README.md automatically.

On mac systems it should be sufficient to install them via brew:

$ brew install terraform terraform-docs tflint
$ brew list | grep 'tflint\|terraform'
terraform
terraform-docs
tflint

To install brew reffer to https://brew.sh/ website.

Infrastructure setup instructions

0. Ensure proper ENV vars are set in Terraform Run Environment

VARs described in ENV Variables.

1. Create servers (VMs/Dedicated servers)

Requirements

  • Debian / Ubuntu System
  • Ansible public ssh key added for default system user
  • Open ports 80 and 443 for web_server VMs

2. Add external (WAN) IPs of new VMs to terraform config

Inside Terraform Projects repositories in variables.tf update old IP addresses.

3. Run terraform for test and prod environments

To create/update DNS records, uptimerobot monitors and alerts.

4. Add servers definition to ansible inventory

Update ansible inventory/hosts with new hosts data (names/ips/users) in Ansible repository (repositories).

5. Run ansible to configure servers

*This step is to be automated

Playbooks:

  • play/setup.yml
  • play/base.yml
  • play/personalize.yml

6. Confirm email from UptimeRobot to enable alerts

After Terraform creates alert contacts, UptimeRobot sends confirmation link.