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This project defines my personal infrastucture as a set of terraform manifests and ansible playbooks, as detailed in the following blogpost.

The main idea is to centralize all configuration, whether they apply to instances or cloud services, and make it easy to add new services, secure and monitor them properly.

infra

Terraforming the cloud resources

Credentials setup

The first step is to create API keys for every single terraform provider being used, and add them to local config files:

  • aws
  • scaleway
  • ovh
  • datadog (the Datadog provider does not yet support parsing the ~/.dogrc configuration file, meaning I had to hack something together)

Creating cloud resources

The terraform resources are organized by cloud provider (OVH, AWS, Scaleway, etc). To initialize each environment, run

$ make terraform-init

To plan or apply all terraform resources from all workspaces, run

$ make terraform-plan
$ make terraform-apply

To plan the terraforming of the resources of a given cloud provider (in that example, Scaleway), run

$ make terraform-scaleway-plan

To apply these changes, run

$ make terraform-scaleway-apply

Configuring the instances

Before being able to configure the instances with the playbooks, we need to define their SSH configuration in ~/.ssh/config, along with a common configuration

Host *
User br
ForwardX11 no
IdentityFile ~/.ssh/id_rsa
ControlPersist 30m
ControlMaster auto
ControlPath ~/.ssh/cm/control:%h:%p:%r

Host pi
HostName home.balthazar-rouberol.com

Host gallifrey
HostName balthazar-rouberol.com

and list the hosts in /etc/ansible/hosts:

$ cat /etc/ansible/hosts
gallifrey
pi

To bootstrap a given instance (gallifrey in that example), run its bootstrap playbook (the first time only):

$ make playbook-gallifrey-bootstrap

Once bootstraped, the instance can be configured via its regular playbook, run by

$ make playbook-gallifrey

To run the playbook for a given set of tags, you can add tags=<comma-separated-tags> to the make command:

% make playbook-gallifrey tags=monitoring