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Two-zone Virtual Private Cloud

With this template, you can use IBM Cloud Schematics to create two virtual private clouds (VPCs) in two separate zones of your IBM Cloud account. Schematics uses Terraform as the infrastructure-as-code engine. With this template, you can create and manage infrastructure as a single unit as follows. For more information about how to use this template, see the IBM Cloud Schematics documentation.

Included:

Not included:

  • No VPC load balancers are created to expose workloads in the virtual servers on the public network.
  • No global load balancer is provisioned to manage traffic across the 2 VPC instances.

Costs

When you apply template, the infrastructure resources that you create incur charges as follows. To clean up the resources, you can delete your Schematics workspace or your instance. Removing the workspace or the instance cannot be undone. Make sure that you back up any data that you must keep before you start the deletion process.

  • VPC: VPC charges are incurred for the infrastructure resources within the VPC, as well as network traffic for internet data transfer. For more information, see Pricing for VPC.
  • VPC virtual servers: You specify how many virtual servers to provision in each VPC. The price for your virtual server instances depends on the flavor of the instances, how many you provision, and how long the instances are run. For more information, see Pricing for Virtual Servers for VPC.

Dependencies

Before you can apply the template in IBM Cloud, complete the following steps.

  1. Make sure that you have the following permissions in IBM Cloud Identity and Access Management:
    • Manager service access role for IBM Cloud Schematics
    • Operator platform role for VPC Infrastructure
  2. Download the ibmcloud command line interface (CLI) tool.
  3. Install the ibmcloud terraform and ibmcloud is CLI plug-ins for Schematics and VPC infrastructure. Tip: To update your current plug-ins, run ibmcloud plugin update.
    • ibmcloud plugin install schematics
    • ibmcloud plugin install vpc-infrastructure
  4. Create or use an existing SSH key for VPC virtual servers.

Terraform version requirements :

Refer versions.tf

Name Version
terraform >= 1.0
terraform_provider_ibm = 1.38.0

Configuring your deployment values

When you select the 2-zone-vpctemplate from the IBM Cloud catalog, you set up your deployment variables from the Create page. When you apply the template, IBM Cloud Schematics provisions the resources according to the values that you specify for these variables.

Required values

Fill in the following values, based on the steps that you completed before you began.

Variable Name Description
ssh_public_key Enter the public SSH key that you use to access your VPC virtual servers. Use the public key from the ~/.ssh/id_rsa.pub file generated by the latest version of ssh-keygen tool, with the recommended key-size 2048.

Optional values

Before you apply your template, you can customize the following default variable values.

Variable Name Description Default Value
region The region to create your two VPCs in, such as us-south. The VPCs are created in two separate zones within the same region. To get a list of all regions, run ibmcloud is regions. us-south
ssh_key_name The name of your public SSH key. vpc-ssh-key
image Enter the ID of the image that represents the operating system that you want to install on your VPC virtual server. To list available images, run ibmcloud is images. The default image is for an ubuntu-20-04-amd64 OS. r006-396ef8b6-91a3-48ce-a83b-0c6f67105cad
profile Enter the profile of compute CPU and memory resources that you want your VPC virtual servers to have. To list available profiles, run ibmcloud is instance-profiles. bx2-2x8

Outputs

After you apply the template your VPC resources are successfully provisioned in IBM Cloud, you can review information such as the virtual server IP addresses and VPC identifiers in the Schematics log files, in the Terraform SHOW section.