feat(aws): Always download the latest release

Issue
We are downloading the runner twice: the old v2.313.0 and the latest
(because of the auto-update)

Solution
- Use the API to get the latest version and just download it
- Fix linter
- Add makefile and instructions to build the action

Author: romeroyonatan

.eslintrc.yml

@@ -2,10 +2,11 @@ env:
   es6: true
   node: true
   jest: true
+  es2020: true
 extends:
   - eslint:recommended
 parserOptions:
-  ecmaVersion: 2018
+  ecmaVersion: 2020
   sourceType: module
 rules:
   no-use-before-define: error

Makefile

@@ -0,0 +1,7 @@
+dist/index.js: $(wildcard src/*.js)
+	npm run package
+
+docker-build:
+	docker run --rm -ti -v "$(PWD):/src" node:16 bash -c "cd src && npm install && make"
+
+.PHONY: docker-build

README.md

@@ -28,3 +28,14 @@ Check the [internal docs](https://docs.shiphero.xyz/ci.html#horizontally-scaled-
 - [Avoid failures when other runners are already registered with same name](https://github.com/Shiphero/ec2-github-runner/pull/4) by assigning a random name to the instances. 
 
 - [Support for using spot instances](https://github.com/machulav/ec2-github-runner/pull/171)
+
+## Build
+```sh
+make docker-build
+```
+
+Or using node 16:
+```sh
+npm install
+make
+```

dist/index.js

@@ -65286,8 +65286,9 @@ 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',
+      "VERSION=$(curl -s https://api.github.com/repos/actions/runner/releases/latest | grep tag_name | grep -oP '\d+(\.\d+)*')",
+      'curl -O -L https://github.com/actions/runner/releases/download/v${VERSION}/actions-runner-linux-${RUNNER_ARCH}-${VERSION}.tar.gz',
+      'tar xzf ./actions-runner-linux-${RUNNER_ARCH}-${VERSION}.tar.gz',
       'export RUNNER_ALLOW_RUNASROOT=1',
       `./config.sh --url https://github.com/${config.githubContext.owner}/${config.githubContext.repo} --token ${githubRegistrationToken} --labels ${label} --name $(hostname)-$(uuidgen)`,
       './run.sh',

src/aws.js

@@ -23,8 +23,9 @@ 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',
+      "VERSION=$(curl -s https://api.github.com/repos/actions/runner/releases/latest | grep tag_name | grep -oP '\d+(\.\d+)*')",
+      'curl -O -L https://github.com/actions/runner/releases/download/v${VERSION}/actions-runner-linux-${RUNNER_ARCH}-${VERSION}.tar.gz',
+      'tar xzf ./actions-runner-linux-${RUNNER_ARCH}-${VERSION}.tar.gz',
       'export RUNNER_ALLOW_RUNASROOT=1',
       `./config.sh --url https://github.com/${config.githubContext.owner}/${config.githubContext.repo} --token ${githubRegistrationToken} --labels ${label} --name $(hostname)-$(uuidgen)`,
       './run.sh',