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Terraform for SAP NW for Google Cloud

This template follows the documented steps https://cloud.google.com/solutions/sap/docs/netweaver-deployment-guide-linux and deploys GCP and Pacemaker resources up to the installation of SAP's central services.

Set up Terraform

Install Terraform on the machine you would like to use to deploy from by following https://learn.hashicorp.com/tutorials/terraform/install-cli?in=terraform/gcp-get-started#install-terraform

How to deploy

  1. Download .tf file into an empty directory curl https://storage.googleapis.com/cloudsapdeploy/terraform/latest/terraform/sap_nw/terraform/sap_nw.tf -o sap_nw.tf

  2. Fill in mandatory variables and if the desired optional variable in the .tf file.

  3. Deploy

  4. Run terraform init (only needed once)

  5. Run terraform plan to see what is going to be deployed. Verify if names, zones, sizes, etc. are as desired.

  6. Run terrafom apply to deploy the resources

  7. Run terrafom destroy to remove the resources

  8. Continue installation of SAP software and setup of remaining cluster resources as per documentation at https://cloud.google.com/solutions/sap/docs/netweaver-deployment-guide-linux

Additional information

For additional information see https://www.terraform.io/docs/index.html and https://cloud.google.com/docs/terraform

Inputs

Name Description Type Default Required
can_ip_forward Whether sending and receiving of packets with non-matching source or destination IPs is allowed. bool true no
custom_metadata Optional - default is empty. Custom metadata to be added to the VM. map(string) {} no
instance_name Hostname of the GCE instance. string n/a yes
linux_image Linux image name to use. string n/a yes
linux_image_project The project which the Linux image belongs to. string n/a yes
machine_type Machine type for the instances. string n/a yes
network_tags OPTIONAL - Network tags can be associated to your instance on deployment. This can be used for firewalling or routing purposes. list(string) [] no
post_deployment_script OPTIONAL - gs:// or https:// location of a script to execute on the created VM's post deployment. string "" no
primary_startup_url Startup script to be executed when the VM boots, should not be overridden. string `"curl -s https://storage.googleapis.com/cloudsapdeploy/terraform/latest/terraform/sap_nw/nw_startup.sh bash -s https://storage.googleapis.com/cloudsapdeploy/terraform/latest/terraform"`
project_id Project id where the instances will be created. string n/a yes
public_ip OPTIONAL - Defines whether a public IP address should be added to your VM. By default this is set to Yes. Note that if you set this to No without appropriate network nat and tags in place, there will be no route to the internet and thus the installation will fail. bool true no
reservation_name Use a reservation specified by RESERVATION_NAME.
By default ANY_RESERVATION is used when this variable is empty.
In order for a reservation to be used it must be created with the
"Select specific reservation" selected (specificReservationRequired set to true)
Be sure to create your reservation with the correct Min CPU Platform for the
following instance types:
n1-highmem-32 : Intel Broadwell
n1-highmem-64 : Intel Broadwell
n1-highmem-96 : Intel Skylake
n1-megamem-96 : Intel Skylake
m1-megamem-96 : Intel Skylake
All other instance types can have automatic Min CPU Platform"		 string "" no
sap_deployment_debug OPTIONAL - If this value is set to true, the deployment will generates verbose deployment logs. Only turn this setting on if a Google support engineer asks you to enable debugging. bool false no
sap_mnt_size Size of /sapmnt in GB number 8 no
service_account OPTIONAL - Ability to define a custom service account instead of using the default project service account. string "" no
subnetwork The sub network to deploy the instance in. string n/a yes
swap_size Size in GB of swap volume number 8 no
usr_sap_size Size of /usr/sap in GB number 8 no
zone Zone where the instances will be created. string n/a yes

Outputs

Name Description
sap_nw_self_link SAP NW self-link for instance created

Requirements

These sections describe requirements for using this module.

Software

The following dependencies must be available:

Contributing

Refer to the contribution guidelines for information on contributing to this module.

Security Disclosures

Please see our security disclosure process.