Merge pull request #21 from devops-infra/feature/init

Added run_init parameter to conditionally run terraform init

Author: ChristophShyper

README.md

@@ -45,7 +45,7 @@ Main action is using [wata727](https://github.com/wata727)'s [TFLint](https://gi
 | fail_on_changes | No       | `true`        | Whether TFLint should fail whole action.                                                                   |
 | tflint_config   | No       | `.tflint.hcl` | Location from repository root to TFLint config file. Disables `tflint_params`.                             |
 | tflint_params   | No       | ``            | Parameters passed to TFLint binary. See [TFLint](https://github.com/terraform-linters/tflint) for details. |
-
+| run_init        | No       | `true`        | Whether the action should run `terraform init`. Defaults to true.                                          |
 
 ## Examples
 

action.yml

@@ -3,21 +3,25 @@ author: Krzysztof Szyper / ChristophShyper / biotyk@mail.com
 description: GitHub Action that will run TFlint on Terraform files
 inputs:
   fail_on_changes:
-    description: Whether action should fail if errors found. Default true
+    description: Whether the action should fail if errors found. Defaults totrue.
     required: false
     default: "true"
   dir_filter:
-    description: Filter for directories to check. Check all by default
+    description: Filter for directories to check. Check all by default.
     required: false
     default: "*"
   tflint_config:
-    description: Location of TFLint config file. Default .tflint.hcl
+    description: Location of TFLint config file. Defaults to .tflint.hcl.
     required: false
     default: ".tflint.hcl"
   tflint_params:
-    description: Parameters passed to TFLint
+    description: Parameters passed to TFLint. Defaults to none.
     required: false
     default: ""
+  run_init:
+    description: Whether the action should run `terraform init`. Defaults to true.
+    required: false
+    default: "true"
 runs:
   using: docker
   image: docker://devopsinfra/action-tflint:latest

entrypoint.sh

@@ -16,18 +16,22 @@ for PREFIX in "${ARRAY[@]}"; do
         cd "${WORK_DIR}/${DIRECTORY}" || RET_CODE=1
         echo -e "\nDirectory: ${DIRECTORY}"
         if [[ -f "${WORK_DIR}/${INPUT_TFLINT_CONFIG}" ]]; then
-          terraform init
+          if [[ "${INPUT_RUN_INIT}" == "true" ]]; then
+            terraform init
+          fi
           tflint -c "${WORK_DIR}/${INPUT_TFLINT_CONFIG}" || RET_CODE=1
         else
-          terraform init
+          if [[ "${INPUT_RUN_INIT}" == "true" ]]; then
+            terraform init
+          fi
           tflint "${INPUT_TFLINT_PARAMS}" || RET_CODE=1
         fi
-        cd ${WORK_DIR} || RET_CODE=1
+        cd "${WORK_DIR}" || RET_CODE=1
     done
 done
 
 # Finish
-if [[ ${RET_CODE} != "0" ]]; then
+if [[ "${RET_CODE}" != "0" ]]; then
   echo -e "\n[ERROR] Check log for errors."
   exit 1
 else