Add moved

README.md

@@ -34,6 +34,7 @@ Samples are explained in the below books.
 * [Remote backend](./remote-backend)
 * [Separate state by backend end environment](./state-separation)
 * [terraformer](./terraformer-test)
+* [moved](./moved)
 
 ## Practical edition
 

moved/README.md

@@ -0,0 +1,24 @@
+This example doesn't specify a credential and a project intentionally.
+
+```shell
+$ gcloud auth application-default login
+
+# export GOOGLE_PROJECT=terraform-toshi0607
+# 【YOUR PROJECT】をあなたのGCPプロジェクトに置き換えてください。
+$ export GOOGLE_PROJECT=【YOUR PROJECT】
+
+$ terraform init
+$ terraform plan
+$ terraform apply
+
+# Change resource name from before-move to after-move
+# Confirm resource recreation (+ create and -destroy) would happen
+$ terraform plan
+
+# Enable (comment in moved block)
+# Confirm resource recreation would NOT happen
+$ terraform plan
+$ terraform apply
+
+$ terraform destroy
+```

moved/main.tf

@@ -0,0 +1,22 @@
+moved {
+  from = google_compute_instance.before-move
+  to   = google_compute_instance.after-move
+}
+
+resource "google_compute_instance" "after-move" {
+# resource "google_compute_instance" "before-move" {
+  name         = "moved"
+  machine_type = "f1-micro"
+  zone         = "asia-northeast1-c"
+
+  boot_disk {
+    initialize_params {
+      # gcloud compute images list | grep debian, if the image can't be found
+      image = "debian-cloud/debian-11"
+    }
+  }
+
+  network_interface {
+    network = "default"
+  }
+}