Parameterise execution of runner

Author: kpturner

action.yml

@@ -86,6 +86,10 @@ inputs:
   startup-timeout-seconds:
     description: >-
       Specifies the timeout in seconds to register the runner after the quiet period.
+  run-runner-as-service:
+    type: boolean
+    description: >-
+      Start the runner as a service rather than using ./run.sh as root.
     required: false
 outputs:
   label:

package-lock.json

@@ -27,4 +27,4 @@
     "dotenv": "^8.6.0",
     "eslint": "^7.32.0"
   }
-}
+}

package.json

@@ -5,20 +5,20 @@ const config = require('./config');
 
 // User data scripts are run as the root user
 function buildUserDataScript(githubRegistrationToken, label) {
+  let userData;
   if (config.input.runnerHomeDir) {
     // If runner home directory is specified, we expect the actions-runner software (and dependencies)
     // to be pre-installed in the AMI, so we simply cd into that directory and then start the runner
-    return [
+    userData =  [
       '#!/bin/bash',
       `cd "${config.input.runnerHomeDir}"`,
       `echo "${config.input.preRunnerScript}" > pre-runner-script.sh`,
       'source pre-runner-script.sh',
       'export RUNNER_ALLOW_RUNASROOT=1',
       `./config.sh --url https://github.com/${config.githubContext.owner}/${config.githubContext.repo} --token ${githubRegistrationToken} --labels ${label}`,
-      './run.sh',
     ];
   } else {
-    return [
+    userData = [
       '#!/bin/bash',
       'mkdir actions-runner && cd actions-runner',
       `echo "${config.input.preRunnerScript}" > pre-runner-script.sh`,
@@ -28,9 +28,15 @@ function buildUserDataScript(githubRegistrationToken, label) {
       'tar xzf ./actions-runner-linux-${RUNNER_ARCH}-2.313.0.tar.gz',
       'export RUNNER_ALLOW_RUNASROOT=1',
       `./config.sh --url https://github.com/${config.githubContext.owner}/${config.githubContext.repo} --token ${githubRegistrationToken} --labels ${label}`,
-      './run.sh',
     ];
   }
+  if (config.input.runAsService) {
+    userData.push('./svc.sh install');
+    userData.push('./svc.sh start');
+  } else {
+    userData.push('./run.sh'); 
+  }
+  return userData;
 }
 
 function buildMarketOptions() {