CI tools: Lamdba function to trigger CodeBuild build, script to regenerate npm shrinkwrap file

Author: clareliguori

buildspecs/shrinkwrap.yml

@@ -0,0 +1,6 @@
+version: 0.2
+
+phases:
+  build:
+    commands:
+      - ./ci_tools/update_shrinkwrap.sh

ci_tools/trigger_codebuild.js

@@ -0,0 +1,48 @@
+'use strict';
+
+const AWS = require('aws-sdk');
+const codebuild = new AWS.CodeBuild();
+
+const codebuildProject = process.env.projectName;
+const codebuildBuildspec = process.env.buildspec;
+
+exports.handler = (event, context, callback) => {
+  try {
+    var params = {
+      projectName: codebuildProject
+    };
+
+    if (event.project) {
+      params.projectName = event.project;
+    } else if (event.details && event.details.project) {
+      params.projectName = event.details.project;
+    }
+
+    if (event.buildspec) {
+      params.buildspecOverride = event.buildspec;
+    } else if (event.details && events.details.buildspec) {
+      params.buildspecOverride = event.details.buildspec;
+    } else if (codebuildBuildspec) {
+      params.buildspecOverride = codebuildBuildspec;
+    }
+
+    if (event.source &&
+        event.source == "aws.codecommit" &&
+        event.detail.commitId) {
+      params.sourceVersion = event.detail.commitId;
+    }
+
+    codebuild.startBuild(params, (error, data) => {
+      if (error) {
+        console.log(error, error.stack);
+        return callback(error);
+      }
+
+      console.log(data);
+      return callback(null, data);
+    });
+  } catch (error) {
+    console.log('Caught Error: ', error);
+    callback(error);
+  }
+};

ci_tools/update_shrinkwrap.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -ev
+
+# Set up git client
+git config --global credential.helper '!aws codecommit credential-helper $@'
+git config --global credential.UseHttpPath true
+git config --global user.name "Shrinkwrapper Bot"
+git config --global user.email shrinkwrapper@example.com
+git config --global push.default simple
+
+if [ -e npm-shrinkwrap.json ]
+then
+    rm npm-shrinkwrap.json
+fi
+
+npm install
+npm test
+npm shrinkwrap --dev
+
+if [ -n "$(git status --porcelain)" ]; then
+    git add npm-shrinkwrap.json
+    git commit -m "Update npm dependencies"
+    git push origin HEAD:master
+else
+    echo "No dependency updates!"
+fi