feat(oci): define separate distinct provider instances

tf/oci_common_private_network.tf

@@ -1,3 +1,15 @@
+/*
+# https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/terraformgettingstarted.htm
+# https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/terraformproviderconfiguration.htm
+provider "oci" {
+  alias = "oci_compartment"
+  private_key = module.oci_compartment_bootstrap.child_compartment_key_value
+  region           = var.oci_compartment_bootstrap_region
+  tenancy_ocid     = module.oci_compartment_bootstrap.child_compartment_id
+  user_ocid        = module.oci_compartment_bootstrap.child_user_id
+  fingerprint = module.oci_compartment_bootstrap.child_compartment_key_fingerprint
+}
+
 module "oci_common_private_network" {
   source = "./oci_common_private_network"
 
@@ -7,9 +19,13 @@ module "oci_common_private_network" {
 
   display_name     = "CoreNetwork"
   dns_label        = "core"
-  private_key = module.oci_compartment_bootstrap.child_compartment_key_value
-  region           = var.oci_compartment_bootstrap_region
   tenancy_ocid     = module.oci_compartment_bootstrap.child_compartment_id
-  user_ocid        = module.oci_compartment_bootstrap.child_user_id
-  fingerprint = module.oci_compartment_bootstrap.child_compartment_key_fingerprint
-}
+
+  providers = {
+    oci = oci.oci_compartment
+  }
+
+  depends_on = [
+    module.oci_compartment_bootstrap
+  ]
+}*/

tf/oci_common_private_network/oci_provider.tf

@@ -1,28 +0,0 @@
-variable "tenancy_ocid" {
-  type = string
-}
-
-variable "user_ocid" {
-  type = string
-}
-
-variable "private_key" {
-  type = string
-}
-
-variable "region" {
-  type = string
-}
-
-variable "fingerprint" {
-  type = string
-}
-
-# https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/terraformgettingstarted.htm
-provider "oci" {
-  tenancy_ocid = var.tenancy_ocid
-  user_ocid = var.user_ocid
-  private_key = var.private_key
-  region = var.region
-  fingerprint = var.fingerprint
-}

tf/oci_common_private_network/vcn.tf

@@ -1,3 +1,7 @@
+variable "tenancy_ocid" {
+  type = string
+}
+
 variable "cidr_blocks" {
   type = list(string)
 }

tf/oci_compartment_bootstrap.tf

@@ -20,10 +20,10 @@ variable "oci_compartment_bootstrap_fingerprint" {
   type = string
 }
 
-# OCI Compartment Bootstrap
-module "oci_compartment_bootstrap" {
-  source = "./oci_compartment_bootstrap"
-
+# https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/terraformgettingstarted.htm
+# https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/terraformproviderconfiguration.htm
+provider "oci" {
+  alias = "oci_root"
   private_key = var.oci_compartment_bootstrap_private_key
   region           = var.oci_compartment_bootstrap_region
   tenancy_ocid     = var.oci_compartment_bootstrap_tenancy_ocid
@@ -31,6 +31,17 @@ module "oci_compartment_bootstrap" {
   fingerprint = var.oci_compartment_bootstrap_fingerprint
 }
 
+# OCI Compartment Bootstrap
+module "oci_compartment_bootstrap" {
+  source = "./oci_compartment_bootstrap"
+
+  tenancy_ocid     = var.oci_compartment_bootstrap_tenancy_ocid
+
+  providers = {
+    oci = oci.oci_root
+  }
+}
+
 output "oci_compartment_bootstrap_child_user_id" {
   value = module.oci_compartment_bootstrap.child_user_id
 }

tf/oci_compartment_bootstrap/compartment.tf

@@ -1,3 +1,7 @@
+variable "tenancy_ocid" {
+  type = string
+}
+
 resource "oci_identity_compartment" "this" {
   # Compartment ID is Tenancy ID for this case
   compartment_id = var.tenancy_ocid

tf/oci_compartment_bootstrap/oci_provider.tf

@@ -1,28 +0,0 @@
-variable "tenancy_ocid" {
-  type = string
-}
-
-variable "user_ocid" {
-  type = string
-}
-
-variable "private_key" {
-  type = string
-}
-
-variable "region" {
-  type = string
-}
-
-variable "fingerprint" {
-  type = string
-}
-
-# https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/terraformgettingstarted.htm
-provider "oci" {
-  tenancy_ocid = var.tenancy_ocid
-  user_ocid = var.user_ocid
-  private_key = var.private_key
-  region = var.region
-  fingerprint = var.fingerprint
-}

tf/terraform.tf

@@ -1,5 +1,16 @@
 terraform {
   required_providers {
+    # Vendor: Hashicorp
+    tls = {
+      source = "hashicorp/tls"
+      version = "4.0.5"
+    }
+    # Vendor: Oracle
+    oci = {
+      source = "oracle/oci"
+      version = "5.45.0"
+      configuration_aliases = [ oci.oci_root, oci.oci_compartment ]
+    }
     hcloud = {
       source = "hetznercloud/hcloud"
       version = "1.38.2"