Get latest runner (machulav#245)

Author: stephen-galea-weavr

src/aws.js

@@ -26,8 +26,9 @@ function buildUserDataScript(githubRegistrationToken, label) {
       `echo "${config.input.preRunnerScript}" > pre-runner-script.sh`,
       'source pre-runner-script.sh',
       'case $(uname -m) in aarch64) ARCH="arm64" ;; amd64|x86_64) ARCH="x64" ;; esac && export RUNNER_ARCH=${ARCH}',
-      'curl -O -L https://github.com/actions/runner/releases/download/v2.313.0/actions-runner-linux-${RUNNER_ARCH}-2.313.0.tar.gz',
-      'tar xzf ./actions-runner-linux-${RUNNER_ARCH}-2.313.0.tar.gz',
+      'RUNNER_VERSION=$(curl -s "https://api.github.com/repos/actions/runner/releases/latest" | jq -r ".name" | tr -d "v")',
+      'curl -O -L https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-${RUNNER_ARCH}-${RUNNER_VERSION}.tar.gz',
+      'tar xzf ./actions-runner-linux-${RUNNER_ARCH}-${RUNNER_VERSION}.tar.gz',
       'export RUNNER_ALLOW_RUNASROOT=1',
       `./config.sh --url https://github.com/${config.githubContext.owner}/${config.githubContext.repo} --token ${githubRegistrationToken} --labels ${label}`,
     ];
@@ -192,4 +193,4 @@ module.exports = {
   startEc2Instance,
   terminateEc2Instance,
   waitForInstanceRunning,
-};
+};