PR for the Automation of MSSQL with AOAG

automation-mssql-server-aoag-sample/.gitignore

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+# Copyright (c) 2024, 2026, Oracle and/or its affiliates. All rights reserved.
+# The Universal Permissive License (UPL), Version 1.0 as shown at https://oss.oracle.com/licenses/upl/
+.terraform/
+.terraform-local/
+
+terraform.tfstate
+terraform.tfstate.*
+*.tfplan
+*.tfvars
+!terraform.tfvars.example
+
+crash.log
+crash.*.log
+.DS_Store

automation-mssql-server-aoag-sample/00-versions.tf

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+# Copyright (c) 2024, 2026, Oracle and/or its affiliates. All rights reserved.
+# The Universal Permissive License (UPL), Version 1.0 as shown at https://oss.oracle.com/licenses/upl/
+terraform {
+  required_version = ">= 1.5.0"
+
+  required_providers {
+    oci = {
+      source  = "oracle/oci"
+      version = "~> 6.0"
+    }
+  }
+}
+

automation-mssql-server-aoag-sample/01-provider.tf

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+# Copyright (c) 2024, 2026, Oracle and/or its affiliates. All rights reserved.
+# The Universal Permissive License (UPL), Version 1.0 as shown at https://oss.oracle.com/licenses/upl/
+provider "oci" {
+  region = var.region
+  # Resource Manager supplies OCI authentication. A local run uses ~/.oci/config.
+  config_file_profile = var.execution_environment == "local" ? var.oci_config_profile : null
+}

automation-mssql-server-aoag-sample/02-availability-domains.tf

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+# Copyright (c) 2024, 2026, Oracle and/or its affiliates. All rights reserved.
+# The Universal Permissive License (UPL), Version 1.0 as shown at https://oss.oracle.com/licenses/upl/
+data "oci_identity_availability_domains" "region" {
+  compartment_id = var.compartment_id
+}
+
+locals {
+  # OCI regions can expose one or several ADs. Sorting makes AD-1/AD-2
+  # selection deterministic because OCI does not guarantee API result order.
+  available_availability_domains = sort([
+    for availability_domain in data.oci_identity_availability_domains.region.availability_domains : availability_domain.name
+  ])
+
+  selected_dc_availability_domain   = var.dc_availability_domain != "" ? var.dc_availability_domain : local.available_availability_domains[0]
+  selected_sql1_availability_domain = var.sql1_availability_domain != "" ? var.sql1_availability_domain : local.available_availability_domains[0]
+  selected_sql2_availability_domain = var.sql2_availability_domain != "" ? var.sql2_availability_domain : try(local.available_availability_domains[1], local.available_availability_domains[0])
+}