move chromium code to layer

Author: smithclay

layer/fetch-binaries.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+mkdir -p bin
+
+# Get headless shell
+curl -SL https://github.com/adieuadieu/serverless-chrome/releases/download/v1.0.0-35/stable-headless-chromium-amazonlinux-2017-03.zip > chromeheadless.zip
+unzip chromeheadless.zip -d bin/
+rm chromeheadless.zip
+
+# Get Chromedriver
+curl -SL https://chromedriver.storage.googleapis.com/2.35/chromedriver_linux64.zip> chromedriver.zip
+unzip chromedriver.zip -d bin/
+rm chromedriver.zip

lib/libORBit-2.so.0 renamed to layer/lib/libORBit-2.so.0

@@ -40,8 +40,8 @@ const defaultChromeFlags = [
   //'--trace-startup=*',
 ];
 
-const HEADLESS_CHROME_PATH = 'bin/headless-chromium';
-const CHROMEDRIVER_PATH = '/var/task/bin/chromedriver';
+const HEADLESS_CHROME_PATH = '/opt/bin/headless-chromium';
+const CHROMEDRIVER_PATH = '/opt/bin/chromedriver';
 exports.createSession = function() {
   var service;
   if (process.env.LOG_DEBUG || process.env.SAM_LOCAL) {
@@ -60,7 +60,7 @@ exports.createSession = function() {
   options.setLoggingPrefs(logPrefs);
 
   options.setPerfLoggingPrefs({ enableNetwork: true, enablePage: true });
-  options.setChromeBinaryPath(path.join(process.env.LAMBDA_TASK_ROOT, HEADLESS_CHROME_PATH));
+  options.setChromeBinaryPath(HEADLESS_CHROME_PATH);
   options.addArguments(defaultChromeFlags);
   return chrome.Driver.createSession(options, service);
 }

lib/libgconf-2.so.4 renamed to layer/lib/libgconf-2.so.4

@@ -2,17 +2,43 @@ AWSTemplateFormatVersion : '2010-09-09'
 Transform: AWS::Serverless-2016-10-31
 Description: selenium with headless chromium
 Resources:
+  DeploymentPermission:
+    Type: "AWS::Lambda::LayerVersionPermission"
+    Properties:
+      Action: lambda:GetLayerVersion
+      LayerVersionArn: !Ref ChromiumLayer
+      Principal: '*'
+
+  ChromiumLayer:
+    Type: AWS::Serverless::LayerVersion
+    Properties:
+      LayerName: chromium-selenium-layer
+      Description: Headless Chromium and Selenium WebDriver
+      ContentUri: ./layer
+      CompatibleRuntimes:
+        - nodejs6.10
+        - nodejs8.10
+        - python3.6
+        - python3.7
+        - python2.7
+        - go1.x
+        - java8
+      LicenseInfo: 'MIT'
+      RetentionPolicy: Retain
+
   Lambdium:
     Type: AWS::Serverless::Function
     Properties:
       Handler: index.handler
-      Runtime: nodejs6.10
+      Runtime: nodejs8.10
       FunctionName: lambdium
       Description: headless chromium running selenium
       # This needs to be fairly large: chromium needs a lot of memory
       MemorySize: 1156
       Timeout: 20
+      Layers:
+        - !Ref ChromiumLayer
       Environment:
         Variables:
           CLEAR_TMP: "true"
-      CodeUri: .
+      CodeUri: ./src