Hands on 3 - Deploying

    The goal of this hands-on is to:

    • Deploy Flatcar instances with IaC (Terraform)
    • Manipulate Terraform code
    • Write Flatcar provisioning with Terraform
    • Deploy Flatcar on OpenStack with Terraform

    This is a bundle of hands-on-1 and hands-on-2 but it’s not a local deployment and everything is as code.

    Step-by-step

    Clone the tutorial repository and cd into it:

    git clone https://github.com/flatcar/flatcar-tutorial; cd flatcar-tutorial/hands-on-3

    Go into the terraform directory

    cd terraform

    Update the config for creating index.html from previous hands-on:

    vim server-configs/server1.yaml

    Initialize the terraform project locally:

    terraform init

    Get the credentials and update the terraform.tfvars consequently generate the plan and inspect it:

    terraform plan

    Apply the plan:

    terraform apply

    Go on the horizon dashboard and connect with terraform credentials find your instance. One can assert that it works by accessing the console (click on the instance then “console”).

    NOTE: it’s possible to SSH into the instance but at the moment, it takes a SSH jump through the openstack (devstack) instance.

    ssh -J user@[DEVSTACK-IP] -i ./.ssh/provisioning_private_key.pem -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null core@[SERVER-IP]

    In order to destroy the instance:

    terraform destroy

    Resources

    Demo

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