Add check mode option

.github/workflows/test.yml

@@ -97,6 +97,13 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      - name: With check mode
+        uses: ./
+        with:
+          playbook: playbook.yml
+          directory: test
+          check: true
+          options: --inventory hosts
       - name: With custom ansible.cfg
         uses: ./
         with:

action.yml

@@ -37,6 +37,9 @@ inputs:
   no_color:
     description: Set to "true" if the Ansible output should not include colors (defaults to "false")
     required: false
+  check_mode:
+    description: Set to "true" to enable check (dry-run) mode
+    required: false
 outputs:
   output:
     description: The captured output of both stdout and stderr from the Ansible Playbook run

main.js

@@ -17,6 +17,7 @@ async function main() {
         const options = core.getInput("options")
         const sudo    = core.getInput("sudo")
         const noColor = core.getInput("no_color")
+        const checkMode = core.getInput("check_mode")
         const fileMode = 0600
 
         let cmd = ["ansible-playbook", playbook]
@@ -94,6 +95,10 @@ async function main() {
             process.env.ANSIBLE_FORCE_COLOR = "True"
         }
 
+        if (checkMode) {
+            cmd.push("--check")
+        }
+
         let output = ""
         await exec.exec(cmd.join(' '), null, {
           listeners: {