feat: added cache folders and variables

gh-action-terragrunt-apply/README.md

@@ -89,6 +89,46 @@ These input values must be the same as any wayofdev/gh-action-terragrunt-plan fo
   - Optional
   - Default: parallel
 
+* `create_cache_folder_in_workspace`
+
+  Set to true to create a cache folder in workspace. It can be reused in other steps, jobs and workflows. By default it created in /tmp folder inside docker container and not available outside.
+
+  - Type: boolean
+  - Optional
+  - Default: false
+
+* `cache_folder`
+
+  Specify custom name for the cache folder which will be created in github workspace. Two additional folders will be created inside  `cache_folder`: `tf_plugin_cache_folder` and `tg_cache_folder`
+
+  - Type: string
+  - Optional
+  - Default: .terragrunt-cache
+
+* `use_tf_plugin_cache_folder`
+
+  If set to `true`, the varibale TF_PLUGIN_CACHE_DIR will be enabled. Sometimes there can be problems when using these variable in Terragrunt
+
+  - Type: boolean
+  - Optional
+  - Default: false
+
+* `tf_plugin_cache_folder`
+
+  Specify custom name for the tf_plugin_cache_folder folder which will be created inside `cache_folder`. Variable TF_PLUGIN_CACHE_DIR will be set to `${GITHUB_WORKSPACE}/${cache_folder}/${tf_plugin_cache_folder}`. Only applicable if `use_tf_plugin_cache_folder` is set to true
+
+  - Type: string
+  - Optional
+  - Default: tf-plugin-cache
+
+* `tg_cache_folder`
+
+  Specify custom name for the tg_cache_folder folder which will be created inside `cache_folder`. Terragrunt commands will be executed with option `--terragrunt-download-dir ${GITHUB_WORKSPACE}/${cache_folder}/${tg_cache_folder}`
+
+  - Type: string
+  - Optional
+  - Default: tg-cache
+
 ## Environment Variables
 
 * `GITHUB_TOKEN`

gh-action-terragrunt-apply/action.yaml

@@ -35,6 +35,26 @@ inputs:
     description: "What strategy to use when applying: parallel or sequential"
     required: false
     default: "parallel"
+  create_cache_folder_in_workspace:
+    description: "Create a cache folder in the workspace"
+    required: false
+    default: "false"
+  cache_folder:
+    description: "Cache folder name"
+    required: false
+    default: ".terragrunt-cache"
+  use_tf_plugin_cache_folder:
+    description: "If set to true, the variable TF_PLUGIN_CACHE_DIR will be enabled"
+    required: false
+    default: "false"
+  tf_plugin_cache_folder:
+    description: "Cache folder name for Terraform plugins. Only applicable if use_tf_plugin_cache_folder is set to true"
+    required: false
+    default: "tf-plugin-cache"
+  tg_cache_folder:
+    description: "Cache folder name for Terragrunt"
+    required: false
+    default: "tg-cache"
 
 runs:
   using: docker

gh-action-terragrunt-plan/README.md

@@ -76,6 +76,46 @@ Don't use terragrunt_download setting in your terragrunt code and also don't cle
   - Optional
   - Default: false
 
+* `create_cache_folder_in_workspace`
+
+  Set to true to create a cache folder in workspace. It can be reused in other steps, jobs and workflows. By default it created in /tmp folder inside docker container and not available outside.
+
+  - Type: boolean
+  - Optional
+  - Default: false
+
+* `cache_folder`
+
+  Specify custom name for the cache folder which will be created in github workspace. Two additional folders will be created inside  `cache_folder`: `tf_plugin_cache_folder` and `tg_cache_folder`
+
+  - Type: string
+  - Optional
+  - Default: .terragrunt-cache
+
+* `use_tf_plugin_cache_folder`
+
+  If set to `true`, the varibale TF_PLUGIN_CACHE_DIR will be enabled. Sometimes there can be problems when using these variable in Terragrunt
+
+  - Type: boolean
+  - Optional
+  - Default: false
+
+* `tf_plugin_cache_folder`
+
+  Specify custom name for the tf_plugin_cache_folder folder which will be created inside `cache_folder`. Variable TF_PLUGIN_CACHE_DIR will be set to `${GITHUB_WORKSPACE}/${cache_folder}/${tf_plugin_cache_folder}`. Only applicable if `use_tf_plugin_cache_folder` is set to true
+
+  - Type: string
+  - Optional
+  - Default: tf-plugin-cache
+
+* `tg_cache_folder`
+
+  Specify custom name for the tg_cache_folder folder which will be created inside `cache_folder`. Terragrunt commands will be executed with option `--terragrunt-download-dir ${GITHUB_WORKSPACE}/${cache_folder}/${tg_cache_folder}`
+
+  - Type: string
+  - Optional
+  - Default: tg-cache
+
 ## Environment Variables
 
 * `GITHUB_TOKEN`

gh-action-terragrunt-plan/action.yaml

@@ -31,6 +31,26 @@ inputs:
     description: Create a plan to destroy all resources
     required: false
     default: "false"
+  create_cache_folder_in_workspace:
+    description: "Create a cache folder in the workspace"
+    required: false
+    default: "false"
+  cache_folder:
+    description: "Cache folder name"
+    required: false
+    default: ".terragrunt-cache"
+  use_tf_plugin_cache_folder:
+    description: "If set to true, the variable TF_PLUGIN_CACHE_DIR will be enabled"
+    required: false
+    default: "false"
+  tf_plugin_cache_folder:
+    description: "Cache folder name for Terraform plugins. Only applicable if use_tf_plugin_cache_folder is set to true"
+    required: false
+    default: "tf-plugin-cache"
+  tg_cache_folder:
+    description: "Cache folder name for Terragrunt"
+    required: false
+    default: "tg-cache"
 
 runs:
   using: docker

image/actions.sh

@@ -75,6 +75,7 @@ function set_common_plan_args() {
         fi
     fi
     export PLAN_ARGS
+    export PARALLEL_ARG
 }
 
 function plan() {
@@ -198,6 +199,10 @@ function fix_owners() {
         chown -R --reference "$GITHUB_WORKSPACE" "$GITHUB_WORKSPACE/.gh-actions-terragrunt" || true
         debug_cmd ls -la "$GITHUB_WORKSPACE/.gh-actions-terragrunt"
     fi
+    if [[ -d "$GITHUB_WORKSPACE/$INPUT_CACHE_FOLDER" ]]; then
+        chown -R --reference "$GITHUB_WORKSPACE" "$GITHUB_WORKSPACE/$INPUT_CACHE_FOLDER" || true
+        debug_cmd ls -la "$GITHUB_WORKSPACE/$INPUT_CACHE_FOLDER"
+    fi
 
     debug_cmd ls -la "$HOME"
     if [[ -d "$HOME/.gh-actions-terragrunt" ]]; then
@@ -214,10 +219,25 @@ function fix_owners() {
     fi
 }
 
-# Every file written to disk should use one of these directories
+export TF_IN_AUTOMATION=true
+
+if [[ "$INPUT_CREATE_CACHE_FOLDER_IN_WORKSPACE" == "true" ]]; then
+    CACHE_PATH=${GITHUB_WORKSPACE}
+else
+    CACHE_PATH="/tmp"
+fi
+
+if [[ "$INPUT_USE_TF_PLUGIN_CACHE_FOLDER" == "true" ]]; then
+    TF_PLUGIN_CACHE_DIR="${CACHE_PATH}/${INPUT_CACHE_FOLDER}/${INPUT_TF_PLUGIN_CACHE_FOLDER}"
+    mkdir -p $TF_PLUGIN_CACHE_DIR
+    readonly TF_PLUGIN_CACHE_DIR
+    export TF_PLUGIN_CACHE_DIR
+fi
+
 STEP_TMP_DIR="/tmp"
 PLAN_OUT_DIR="/tmp/plan"
-TG_CACHE_DIR="/tmp/tg_cache_dir"
+TG_CACHE_DIR="${CACHE_PATH}/${INPUT_CACHE_FOLDER}/${INPUT_TG_CACHE_FOLDER}"
+
 JOB_TMP_DIR="$HOME/.gh-actions-terragrunt"
 WORKSPACE_TMP_DIR=".gh-actions-terragrunt/$(random_string)"
 mkdir -p $PLAN_OUT_DIR $TG_CACHE_DIR

image/src/github_actions/inputs.py

@@ -10,9 +10,13 @@
 class InitInputs(TypedDict):
     """Common input variables for actions the need to initialize terraform"""
     INPUT_PATH: str
-    INPUT_WORKSPACE: str
     INPUT_BACKEND_CONFIG: str
     INPUT_BACKEND_CONFIG_FILE: str
+    INPUT_CREATE_CACHE_FOLDER_IN_WORKSPACE: str
+    INPUT_CACHE_FOLDER: str
+    INPUT_USE_TF_PLUGIN_CACHE_FOLDER: str
+    INPUT_TF_PLUGIN_CACHE_FOLDER: str
+    INPUT_TG_CACHE_FOLDER: str
 
 
 class PlanInputs(InitInputs):

image/src/github_pr_comment/__main__.py

@@ -1,6 +1,5 @@
 import hashlib
 import os
-import subprocess
 import re
 import sys
 from pathlib import Path
@@ -15,14 +14,8 @@
 from github_actions.env import GithubEnv
 from github_actions.find_pr import find_pr, WorkflowException
 from github_actions.inputs import PlanPrInputs
-from github_pr_comment.backend_config import complete_config, partial_config
-from github_pr_comment.backend_fingerprint import fingerprint
-from github_pr_comment.cmp import plan_cmp, remove_warnings, remove_unchanged_attributes
 from github_pr_comment.comment import find_comment, TerraformComment, update_comment, serialize, deserialize
-from github_pr_comment.hash import comment_hash, plan_hash
-from plan_renderer.variables import render_argument_list, Sensitive
-from terraform.module import load_module, get_sensitive_variables
-from terraform import hcl
+from github_pr_comment.hash import plan_hash
 
 Plan = NewType('Plan', str)
 Status = NewType('Status', str)