Feat add cas custom cdp aia support (#12452) (#906)

[upstream:47cf9528aec3da430af249968b438905b44c14b4]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

privateca_certificate_authority_basic_with_custom_cdp_aia_urls/backing_file.tf

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+# This file has some scaffolding to make sure that names are unique and that
+# a region and zone are selected when you try to create your Terraform resources.
+
+locals {
+  name_suffix = "${random_pet.suffix.id}"
+}
+
+resource "random_pet" "suffix" {
+  length = 2
+}
+
+provider "google" {
+  region = "us-central1"
+  zone   = "us-central1-c"
+}

privateca_certificate_authority_basic_with_custom_cdp_aia_urls/main.tf

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+resource "google_privateca_certificate_authority" "default" {
+  // This example assumes this pool already exists.
+  // Pools cannot be deleted in normal test circumstances, so we depend on static pools
+  pool = "ca-pool-${local.name_suffix}"
+  certificate_authority_id = "my-certificate-authority-${local.name_suffix}"
+  location = "us-central1-${local.name_suffix}"
+  deletion_protection = true-${local.name_suffix}
+  config {
+    subject_config {
+      subject {
+        organization = "ACME"
+        common_name = "my-certificate-authority"
+      }
+    }
+    x509_config {
+      ca_options {
+        # is_ca *MUST* be true for certificate authorities
+        is_ca = true
+      }
+      key_usage {
+        base_key_usage {
+          # cert_sign and crl_sign *MUST* be true for certificate authorities
+          cert_sign = true
+          crl_sign = true
+        }
+        extended_key_usage {
+        }
+      }
+    }
+  }
+  # valid for 10 years
+  lifetime = "${10 * 365 * 24 * 3600}s"
+  key_spec {
+    algorithm = "RSA_PKCS1_4096_SHA256"
+  }
+  user_defined_access_urls {
+    aia_issuing_certificate_urls = ["http://example.com/ca.crt", "http://example.com/anotherca.crt"]
+    crl_access_urls = ["http://example.com/crl1.crt", "http://example.com/crl2.crt"]
+  }
+}

privateca_certificate_authority_basic_with_custom_cdp_aia_urls/motd

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+===
+
+These examples use real resources that will be billed to the
+Google Cloud Platform project you use - so make sure that you
+run "terraform destroy" before quitting!
+
+===

privateca_certificate_authority_basic_with_custom_cdp_aia_urls/tutorial.md

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+# Privateca Certificate Authority Basic With Custom Cdp Aia Urls - Terraform
+
+## Setup
+
+<walkthrough-author name="[email protected]" analyticsId="UA-125550242-1" tutorialName="privateca_certificate_authority_basic_with_custom_cdp_aia_urls" repositoryUrl="https://github.com/terraform-google-modules/docs-examples"></walkthrough-author>
+
+Welcome to Terraform in Google Cloud Shell! We need you to let us know what project you'd like to use with Terraform.
+
+<walkthrough-project-billing-setup></walkthrough-project-billing-setup>
+
+Terraform provisions real GCP resources, so anything you create in this session will be billed against this project.
+
+## Terraforming!
+
+Let's use {{project-id}} with Terraform! Click the Cloud Shell icon below to copy the command
+to your shell, and then run it from the shell by pressing Enter/Return. Terraform will pick up
+the project name from the environment variable.
+
+```bash
+export GOOGLE_CLOUD_PROJECT={{project-id}}
+```
+
+After that, let's get Terraform started. Run the following to pull in the providers.
+
+```bash
+terraform init
+```
+
+With the providers downloaded and a project set, you're ready to use Terraform. Go ahead!
+
+```bash
+terraform apply
+```
+
+Terraform will show you what it plans to do, and prompt you to accept. Type "yes" to accept the plan.
+
+```bash
+yes
+```
+
+
+## Post-Apply
+
+### Editing your config
+
+Now you've provisioned your resources in GCP! If you run a "plan", you should see no changes needed.
+
+```bash
+terraform plan
+```
+
+So let's make a change! Try editing a number, or appending a value to the name in the editor. Then,
+run a 'plan' again.
+
+```bash
+terraform plan
+```
+
+Afterwards you can run an apply, which implicitly does a plan and shows you the intended changes
+at the 'yes' prompt.
+
+```bash
+terraform apply
+```
+
+```bash
+yes
+```
+
+## Cleanup
+
+Run the following to remove the resources Terraform provisioned:
+
+```bash
+terraform destroy
+```
+```bash
+yes
+```