Add support to self hosted runner that can change the user to root without sudo

README.md

@@ -59,7 +59,7 @@ After building your image, use [push-to-registry](https://github.com/redhat-acti
 | workdir | The working directory to use within the container. | None
 | extra-args | Extra args to be passed to `buildah from`. Separate arguments by newline. Do not use quotes. | None
 | tls-verify | Require HTTPS and verify certificates when accessing the registry. Set to `false` to skip the verification. This will be used with `buildah from` command. | `true`
-
+| self-hosted-runner-root | If you are running on self hosted runner, you can set this so it will add "sudo" to every buildah command if you dont want to run rootless |`false`
 <a id="image-tag-inputs"></a>
 ### Image and Tags Inputs
 The `image` and `tags` inputs can be provided in one of two forms.

action.yml

@@ -82,6 +82,12 @@ inputs:
       Require HTTPS and verify certificates when accessing the registry. Defaults to true.
     required: false
     default: 'true'
+  self-hosted-runner-root:
+    description: |
+      If you are running on self hosted runner, you can set this so it will add "sudo" to every 
+      buildah command if you dont want to run rootless. Defaults to false
+    required: false
+    default: 'false'
 outputs:
   image:
     description: 'Name of the image built'

src/generated/inputs-outputs.ts

@@ -130,6 +130,12 @@ export enum Inputs {
      * Default: None.
      */
     WORKDIR = "workdir",
+    /**
+     * If you are running on self hosted runner, you can set this so it will add "sudo" to every buildah command if you dont want to run rootless. Defaults to false
+     * Required: false
+     * Default: "false"
+     */
+    SELF_HOSTED_RUNNER_ROOT = "self-hosted-runner-root",
 }
 
 export enum Outputs {

src/index.ts

@@ -19,8 +19,10 @@ export async function run(): Promise<void> {
     }
 
     // get buildah cli
+    const self_hosted_runner = core.getInput(Inputs.SELF_HOSTED_RUNNER_ROOT)
     const buildahPath = await io.which("buildah", true);
-    const cli: BuildahCli = new BuildahCli(buildahPath);
+    const buildahExec = self_hosted_runner === "true" ? `sudo ${buildahPath}` : buildahPath;
+    const cli: BuildahCli = new BuildahCli(buildahExec);
 
     // print buildah version
     await cli.execute([ "version" ], { group: true });