From 59ef07a9f583f0f0f64055a47938d57516b43541 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 31 Jan 2021 12:05:03 +0100
Subject: Better Terraform support.

---
 .../main/resources/io/trygvis/rules/scaleway/terraform.drl |  2 +-
 .../io/trygvis/rules/terraform/terraform-resources.drl     | 14 ++++++++++++++
 .../ri-base/src/main/resources/templates/terraform/main.j2 | 10 ++++++++++
 .../src/main/resources/templates/terraform/variables.j2    | 10 ++++++++++
 4 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 module/ri-base/src/main/resources/templates/terraform/main.j2
 create mode 100644 module/ri-base/src/main/resources/templates/terraform/variables.j2

(limited to 'module/ri-base/src/main/resources')

diff --git a/module/ri-base/src/main/resources/io/trygvis/rules/scaleway/terraform.drl b/module/ri-base/src/main/resources/io/trygvis/rules/scaleway/terraform.drl
index 06bfc68..7e0ff03 100644
--- a/module/ri-base/src/main/resources/io/trygvis/rules/scaleway/terraform.drl
+++ b/module/ri-base/src/main/resources/io/trygvis/rules/scaleway/terraform.drl
@@ -1,4 +1,4 @@
-package io.trygvis.rules.terraform.scaleway
+package io.trygvis.rules.scaleway
 
 import io.trygvis.rules.dba.Cluster
 import io.trygvis.rules.dba.Container
diff --git a/module/ri-base/src/main/resources/io/trygvis/rules/terraform/terraform-resources.drl b/module/ri-base/src/main/resources/io/trygvis/rules/terraform/terraform-resources.drl
index 34af8fe..40a81f0 100644
--- a/module/ri-base/src/main/resources/io/trygvis/rules/terraform/terraform-resources.drl
+++ b/module/ri-base/src/main/resources/io/trygvis/rules/terraform/terraform-resources.drl
@@ -1,5 +1,9 @@
 package io.trygvis.rules.terraform;
+
+import java.util.ArrayList
+import java.util.HashSet
 import java.util.Map
+import java.util.Set
 
 global io.trygvis.rules.engine.TemplateEngine te;
 
@@ -12,3 +16,13 @@ when
 then
     te.template("terraform/resource", $r.output, Map.of("resource", $r));
 end
+
+rule "main.tf"
+    agenda-group "generate"
+when
+    $main : TerraformMain()
+    $variables : ArrayList() from collect(TerraformInputVariable(module == $main.module))
+then
+    te.template("terraform/main", $main.module + "/main.tf", Map.of("main", $main));
+    te.template("terraform/variables", $main.module + "/vars.tf", Map.of("variables", $variables));
+end
diff --git a/module/ri-base/src/main/resources/templates/terraform/main.j2 b/module/ri-base/src/main/resources/templates/terraform/main.j2
new file mode 100644
index 0000000..009f4ed
--- /dev/null
+++ b/module/ri-base/src/main/resources/templates/terraform/main.j2
@@ -0,0 +1,10 @@
+terraform {
+  required_providers {
+{% for alias, provider in main.providers.entrySet() %}
+    {{ alias }} = {
+      version = "{{ provider.version }}"
+      source = "{{ provider.source }}"
+    }
+{%- endfor %}
+  }
+}
diff --git a/module/ri-base/src/main/resources/templates/terraform/variables.j2 b/module/ri-base/src/main/resources/templates/terraform/variables.j2
new file mode 100644
index 0000000..6c37d99
--- /dev/null
+++ b/module/ri-base/src/main/resources/templates/terraform/variables.j2
@@ -0,0 +1,10 @@
+{%- for var in variables %}
+variable "{{ var.name }}" {
+{%- if var.type %}
+  type = {{ var.type }}
+{% endif %}
+{%- if var.default %}
+  default = {{ var.default }}
+{% endif %}
+}
+{% endfor %}
-- 
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