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smallcluster_ce

README.md

Terraform ICP OpenStack CE

This Terraform example configurations uses the OpenStack provider to provision virtual machines on OpenStack and TerraForm Module ICP Deploy to prepare VMs and deploy IBM Cloud Private on them.

This template provisions an cluster with ICP 2.1.0.2 community edition.

The templates creates the requested number of VMs. A new user icpdeploy will be created on the newly created VMs and a corresponding SSH key will be created by terraform for the purpose of deployment.

Pre-requisites

  • Working copy of Terraform
  • An OpenStack project with a self-service network defined. The network must:
    • Internet access
    • Have access to 2 floating IPs. One for Admin and one for Proxy
    • The floating IP must be reachable from where the terraform template is launched
    • The template is tested on vm images from Ubuntu cloud-images latest Ubuntu 16.04 build
  • Flavors meeting the suggested sizing requirements must be available ICP Sizing requirements

Using the Terraform templates

  1. git clone or download the templates

  2. Create a terraform.tfvars file to reflect your environment. Please see variables.tf for variable names and descriptions. Here are some important ones:

variable default required description
openstack_auth_url Yes The endpoint URL used to connect to OpenStack
openstack_password Yes The password for the user
openstack_project_name Yes The name of the project (a.k.a. tenant) used
openstack_domain_name Default Yes The domain to be used
openstack_user_name Yes The user name used to connect to OpenStack
image_id No Specify either this or image name. This must be used if booting from volume
image_name No Specify either this or image id. This can not be used if booting from volume
master Yes Definition for number and size of Master VMs
proxy Yes Definition for number and size of Proxy VMs
management Yes Definition for number and size of Management VMs
worker Yes Definition for number and size of Proxy VMs
network_name Yes The name of the network to deploy to
floating_pool Yes Name of the floating address pool to assign floating addresses from
instance_name icp No Name of the deployment. Will be included in instance names
icppassword No Initial password for ICP Admin user. Leave blank to generate a random password
keypair_name No Name of keypair to add to instance for admin use. Optional as Terraform will generate it's own ssh key for deployment

Execute Terraform

  1. Run terraform init to download depenencies (modules and plugins)

  2. Run cp example-terraform.tfvars terraform.tfvars

  3. Update terraform.tfvars with your own details. Inspect variables.tf for more information about options and variables.

  4. Run terraform plan to investigate deployment plan

  5. Run terraform apply to start deployment