From cdfbca2bc6cf172f467a60b1d5cd290a69cbd1be Mon Sep 17 00:00:00 2001
From: Cedric Girard <girardc@valinor.fr>
Date: Tue, 12 May 2020 12:17:38 +0200
Subject: [PATCH] lookup and validation

---
 project2/base.tf                  | 20 +++++++++++++++++++-
 project2/terraform.tfstate        | 19 +++++++++++++++++--
 project2/terraform.tfstate.backup | 19 +++++++++++++++++--
 project2/terraform.tfvars         |  2 +-
 4 files changed, 54 insertions(+), 6 deletions(-)

diff --git a/project2/base.tf b/project2/base.tf
index d0248f5..673f688 100644
--- a/project2/base.tf
+++ b/project2/base.tf
@@ -1,4 +1,15 @@
-variable "a" {}
+terraform {
+  experiments = [
+    variable_validation
+  ]
+}
+
+variable "a" {
+  validation {
+    condition = can(regex("foo|aze|qsd", var.a))
+    error_message = "Valid values are foo, aze, qsd."
+  }
+}
 variable "b" {
   default = "test"
 }
@@ -25,5 +36,12 @@ output "ov3" {
   value = "${var.c[2]}"
 }
 output "ov4" {
+  value = "${var.d}"
+}
+output "ov4_foo" {
   value = "${var.d.foo}"
 }
+
+output "ov4_lookup" {
+  value = "${lookup(var.d, var.a)}"
+}
diff --git a/project2/terraform.tfstate b/project2/terraform.tfstate
index 1901a28..d74676b 100644
--- a/project2/terraform.tfstate
+++ b/project2/terraform.tfstate
@@ -1,11 +1,11 @@
 {
   "version": 4,
   "terraform_version": "0.12.24",
-  "serial": 9,
+  "serial": 11,
   "lineage": "53b98038-185e-af43-6c6c-521354912695",
   "outputs": {
     "ov1": {
-      "value": "foobar",
+      "value": "foo",
       "type": "string"
     },
     "ov2": {
@@ -17,6 +17,21 @@
       "type": "string"
     },
     "ov4": {
+      "value": {
+        "aze": "rty",
+        "foo": "bar",
+        "qsd": "fgh"
+      },
+      "type": [
+        "map",
+        "string"
+      ]
+    },
+    "ov4_foo": {
+      "value": "bar",
+      "type": "string"
+    },
+    "ov4_lookup": {
       "value": "bar",
       "type": "string"
     }
diff --git a/project2/terraform.tfstate.backup b/project2/terraform.tfstate.backup
index cb4e782..88e5ed5 100644
--- a/project2/terraform.tfstate.backup
+++ b/project2/terraform.tfstate.backup
@@ -1,7 +1,7 @@
 {
   "version": 4,
   "terraform_version": "0.12.24",
-  "serial": 8,
+  "serial": 10,
   "lineage": "53b98038-185e-af43-6c6c-521354912695",
   "outputs": {
     "ov1": {
@@ -13,7 +13,22 @@
       "type": "string"
     },
     "ov3": {
-      "value": "fgh",
+      "value": "baz",
+      "type": "string"
+    },
+    "ov4": {
+      "value": {
+        "aze": "rty",
+        "foo": "bar",
+        "qsd": "fgh"
+      },
+      "type": [
+        "map",
+        "string"
+      ]
+    },
+    "ov4_foo": {
+      "value": "bar",
       "type": "string"
     }
   },
diff --git a/project2/terraform.tfvars b/project2/terraform.tfvars
index e03a7a9..4abf0f3 100644
--- a/project2/terraform.tfvars
+++ b/project2/terraform.tfvars
@@ -1 +1 @@
-a = "foobar"
+a = "foo"