Merge pull request #124 from minamijoyo/tf-1.4

Add support for Terraform v1.4

.github/workflows/test.yaml

@@ -40,10 +40,9 @@ jobs:
       fail-fast: false
       matrix:
         terraform:
-        - 1.3.8
+        - 1.4.0
+        - 1.3.9
         - 1.2.9
-        - 1.1.9
-        - 1.0.11
         - 0.12.31
     env:
       TERRAFORM_VERSION: ${{ matrix.terraform }}

docker-compose.yml

@@ -14,6 +14,7 @@ services:
       # Use the same filesystem to avoid a checksum mismatch error
       # or a file busy error caused by asynchronous IO.
       TF_PLUGIN_CACHE_DIR: "/tmp/plugin-cache"
+      TF_PLUGIN_CACHE_MAY_BREAK_DEPENDENCY_LOCK_FILE: "true"
       # From observation, although we don’t have complete confidence in the root cause,
       # it appears that localstack sometimes misses API requests when run in parallel.
       TF_CLI_ARGS_apply: "--parallelism=1"

scripts/testacc/generate_plugin_cache.sh

@@ -22,6 +22,27 @@ terraform {
 }
 EOF
 
+# Starting with Terraform v1.4, the global plugin cache is ignored on the first
+# terraform init. This makes caching in CI meaningless. To utilize the cache,
+# we use a local filesystem mirror. Strictly speaking, the mirror is only
+# available in Terraform v0.13+, but it is hard to compare versions in bash,
+# so we use the mirror unless v0.x.
+# https://developer.hashicorp.com/terraform/cli/config/config-file#implied-local-mirror-directories
+if terraform -v | grep 'Terraform v0\.'; then
+  echo "skip creating an implied local mirror"
+else
+  FS_MIRROR="/tmp/plugin-mirror"
+  terraform providers mirror "${FS_MIRROR}"
+
+  cat << EOF > "$HOME/.terraformrc"
+provider_installation {
+  filesystem_mirror {
+    path    = "/tmp/plugin-mirror"
+  }
+}
+EOF
+fi
+
 terraform init -input=false -no-color
 
 popd