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chore: Update new sample for Cloudfoundry application runtime creation (#343)
* chore: Added new sample for CF application runtime * chore: update usecase * chore: update readme
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‎released/usecases/cf_enable_application_runtime_memory/README.md‎

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# Set Up Subaccount with Cloudfoundry Application Runtime
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## Overview
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This sample shows how to create subaaccount and cloudfoundry environment instance with [Application Runtime](https://help.sap.com/docs/btp/sap-business-technology-platform/cloud-foundry-environment?q=cloudfoundry+application+runtime#commercial-information-for-cloud-foundry-runtime). To create cloudfoundry environment with free plan refer to this [Terraform Sample](https://github.com/SAP-samples/btp-terraform-samples/blob/main/released/discovery_center/mission_4327/step1/main.tf#L95).
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## Content of setup
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The setup comprises the following resources:
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- Creation of a SAP BTP subaccount.
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- Add entitlement for cf_application_runtime with memory of 1024 MB (Change the memory limit according to your requirement, You can find it in main.tf)
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- Enable cloudfoundry runtime with standard plan.
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- Assign Subaccount Administrator role to the users.
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## Deploying the resources
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To deploy the resources you must:
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1. Export the variables for user name and password
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```bash
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export BTP_USERNAME='<Email address of your BTP user>'
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export BTP_PASSWORD='<Password of your BTP user>'
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export CF_USER='<Email address of your BTP user>'
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export CF_PASSWORD='<Password of your BTP user>'
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```
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2. Change the variables in the `samples.tfvars` file to meet your requirements
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> ⚠ NOTE: You should pay attention **specifically** to the users defined in the samples.tfvars whether they already exist in your SAP BTP accounts. Otherwise you might get error messages like e.g. `Error: The user could not be found: [email protected]`.
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3. Initialize your workspace:
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```bash
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terraform init
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```
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4. You can check what Terraform plans to apply based on your configuration:
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```bash
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terraform plan -var-file="sample.tfvars"
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```
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5. Apply your configuration to provision the resources:
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```bash
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terraform apply -var-file="sample.tfvars"
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```
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## In the end
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You probably want to remove the assets after trying them out to avoid unnecessary costs. To do so execute the following command:
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```bash
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terraform destroy
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```
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‎released/usecases/cf_enable_application_runtime_memory/main.tf‎

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###############################################################################################
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# Generating random ID for subdomain
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###############################################################################################
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resource "random_uuid" "uuid" {}
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locals {
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random_uuid = random_uuid.uuid.result
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subaccount_domain = "memory-${local.random_uuid}"
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subaccount_cf_org = length(var.cf_org_name) > 0 ? var.cf_org_name : substr(replace("${local.subaccount_domain}", "-", ""), 0, 32)
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}
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###############################################################################################
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# Creation of subaccount
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###############################################################################################
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resource "btp_subaccount" "project" {
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name = var.subaccount_name
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subdomain = local.subaccount_domain
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region = lower(var.region)
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}
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data "btp_whoami" "me" {}
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resource "btp_subaccount_entitlement" "cf_application_runtime" {
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subaccount_id = btp_subaccount.project.id
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service_name = "APPLICATION_RUNTIME"
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plan_name = "MEMORY"
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amount = 1
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}
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###############################################################################################
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# Creation of Cloud Foundry environment
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###############################################################################################
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resource "btp_subaccount_environment_instance" "cloudfoundry" {
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depends_on = [btp_subaccount_entitlement.cf_application_runtime]
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subaccount_id = btp_subaccount.project.id
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name = local.subaccount_cf_org
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landscape_label = var.cf_landscape_label
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environment_type = "cloudfoundry"
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service_name = "cloudfoundry"
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plan_name = "standard"
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# ATTENTION: some regions offer multiple environments of a kind and you must explicitly select the target environment in which
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# the instance shall be created using the parameter landscape label.
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# available environments can be looked up using the btp_subaccount_environments datasource
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parameters = jsonencode({
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instance_name = local.subaccount_cf_org
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memory = 1024
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})
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timeouts = {
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create = "1h"
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update = "35m"
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delete = "30m"
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}
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}
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###############################################################################################
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# Assignment of users as sub account administrators
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###############################################################################################
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resource "btp_subaccount_role_collection_assignment" "subaccount-admins" {
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for_each = toset(var.subaccount_admins)
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subaccount_id = btp_subaccount.project.id
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role_collection_name = "Subaccount Administrator"
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user_name = each.value
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}

‎released/usecases/cf_enable_application_runtime_memory/provider.tf‎

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terraform {
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required_providers {
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btp = {
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source = "sap/btp"
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version = "1.7.0"
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}
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}
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}
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# Please checkout documentation on how best to authenticate against SAP BTP
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# via the Terraform provider for SAP BTP
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provider "btp" {
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globalaccount = var.globalaccount
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cli_server_url = var.cli_server_url
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idp = var.custom_idp
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}

‎released/usecases/cf_enable_application_runtime_memory/sample.tfvars‎

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# ------------------------------------------------------------------------------------------------------
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# Provider configuration
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# ------------------------------------------------------------------------------------------------------
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# Your global account subdomain
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globalaccount = "Myglobalaccount"
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# ------------------------------------------------------------------------------------------------------
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# Project specific configuration (please adapt!)
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# ------------------------------------------------------------------------------------------------------
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# Subaccount configuration
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region = "us10"
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subaccount_name = "<name for subaccount>"
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# To add extra users to the subaccount, the user running the script becomes the admin, without inclusion in admins.
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subaccount_admins = ["[email protected]", "[email protected]"]
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#------------------------------------------------------------------------------------------------------
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# Cloud Foundry
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#------------------------------------------------------------------------------------------------------
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# Choose a unique organization name e.g., based on the global account subdomain and subaccount name
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cf_org_name = "<unique org name>"

‎released/usecases/cf_enable_application_runtime_memory/variables.tf‎

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######################################################################
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# Customer account setup
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######################################################################
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# global account
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variable "globalaccount" {
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type = string
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description = "The globalaccount subdomain."
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}
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# subaccount
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variable "subaccount_name" {
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type = string
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description = "The subaccount name."
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}
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# Region
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variable "region" {
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type = string
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description = "The region where the project account shall be created in."
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default = "us10"
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}
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# CLI server
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variable "cli_server_url" {
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type = string
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description = "The BTP CLI server URL."
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default = "https://cpcli.cf.eu10.hana.ondemand.com"
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}
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# Custom IdP
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variable "custom_idp" {
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type = string
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description = "Custom IdP for provider login. Leave empty to use default SAP IdP."
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default = ""
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}
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variable "subaccount_admins" {
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type = list(string)
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description = "Defines the colleagues who are added to each subaccount as subaccount administrators."
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default = []
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}
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###
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# Cloud Foundry
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###
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variable "cf_landscape_label" {
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type = string
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description = "The region where the project account shall be created in."
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default = "cf-us10"
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}
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variable "cf_org_name" {
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type = string
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description = "The name for the Cloud Foundry Org."
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default = ""
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}
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