Your account needs to be added to this organization to let it succeed. Let’s setup the vars.yml by copying the example file to vars.yml and configure it.Īs stated before, the installer will login to the Docker Hub and download images that live under the dockerorca organization. To supply external variables, you can inject vars.yml through –extra-vars. stdout to only use the stdout part of the command to get the fingerprint, because it also registers exitcode and so. Inside each aws_instance we can reference the created security group by using " $. In the single aws_instance for the ducp_controller we use the lookup function to get the right AMI from the list specified in vars.tf. By specifying ‘ self = true‘ the rule will be applied to the all resources in that to be created security group. With Terraform you can easily specify what we need by specifying ingress and egress configurations to your security group.
These are the AWS specific instructions, if you want to use Google Cloud Platform, skip to step 2.2.įor the AWS based setup, you will be creating an aws_security_group with the rules in place for HTTPS (443) en SSH (22).
Updated : v0.7 has been released, and no Docker Hub account is needed anymore because the images are moved to public namespace. We will use Terraform to spin up the instances, and Ansible to provision the instances and let them connect to each other. There a few requirements we need to address to make this work, like setting the external (public) IP while running the installer and passing the controller’s certificate fingerprint to the replicas during setup. The setup is based on one controller, and a configurable amount of replicas which will automatically join the controller to form a cluster. As you don’t want to do anything manually, this guide will help you setup DUCP in a few minutes by using just a couple of variables. If you don’t know what DUCP is, you can read the post I made earlier. You got into the Docker Universal Control Plane beta and you are ready to get going, and then you see a list of manual commands to set it up.
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