Add / update 4 examples for Lambda + OpenTelemetry (#14)

* simple sdk

* update

* Adding 4 examples

* doc

* Update README.md

Co-authored-by: Joshua Leven <josh@codesee.io>

* Update README.md

Co-authored-by: Joshua Leven <josh@codesee.io>

* Update README.md

Co-authored-by: Joshua Leven <josh@codesee.io>

* Update README.md

Co-authored-by: Joshua Leven <josh@codesee.io>

* Update serverless-lambda-container-otel-layer-example/README.md

Co-authored-by: Joshua Leven <josh@codesee.io>

* showing multi-stage docker build

---------

Co-authored-by: Joshua Leven <josh@codesee.io>

Author: kien-cs

README.md

@@ -2,12 +2,19 @@
 
 This repo contains various example on how to integrate with CodeSee
 
-`cdk-lambda-layer-example` - Show you example CDK to integrate with CodeSee Lambda Layer
 
-`sst-cdk-lambda-layer-example` - Show you example Serverless Stack + CDK to integrate with CodeSee Lambda Layer
+## Integrate with CodeSee via Datadog
+[`cdk-lambda-layer-example`](sst-cdk-lambda-layer-example/) - Example CDK to integrate with CodeSee Lambda Layer
 
-`serverless-al2-example` - Show you example Serverless + Golang + Amazon Linux 2 + CodeSee Lambda Layer
+[`sst-cdk-lambda-layer-example`](sst-cdk-lambda-layer-example/) - Example Serverless Stack + CDK to integrate with CodeSee Lambda Layer
 
-`serverless-lambda-otel-example` - Show you example Serverless + Lambda + Open Telemetry integration
+[`serverless-al2-example`](serverless-al2-example/) - Example Serverless + Golang + Amazon Linux 2 + CodeSee Lambda Layer
 
-`serverless-lambda-container-otel-example` - Show you example Serverless + Lambda Container + Open Telemetry integration
+## Integrate with CodeSee via OpenTelemetry
+[`serverless-lambda-layer-otel-example`](serverless-lambda-layer-otel-example/) - Example Serverless + Lambda + OpenTelemetry Lambda Layer instrumentation
+
+[`serverless-lambda-otel-nodejs-lib-example`](serverless-lambda-otel-nodejs-lib-example/) - Example Serverless + Lambda + OpenTelemetry NodeSDK instrumentation
+
+[`serverless-lambda-container-otel-layer-example`](serverless-lambda-container-otel-layer-example/) - Example Serverless + Lambda Container + OpenTelemetry Lambda Layer instrumentation
+
+[`serverless-lambda-container-otel-nodejs-lib-example`](serverless-lambda-container-otel-nodejs-lib-example/) - Example Serverless + Lambda Container + OpenTelemetry NodeSDK instrumentation

serverless-lambda-container-otel-example/Dockerfile

@@ -0,0 +1,20 @@
+FROM node:18-alpine AS build
+
+# example Docker multi-stage build that requires system packages
+RUN apk add --no-cache \
+  # Needed to build the example package: node-libcurl
+  g++ make py3-pip curl-dev
+
+COPY package.json .
+RUN npm i --omit=dev
+
+# 2nd stage, only included built artifacts
+FROM public.ecr.aws/lambda/nodejs:18
+
+COPY --from=build /node_modules .
+COPY lambda-layer/ /opt
+
+COPY index.js .
+COPY collector.yaml .
+
+CMD ["index.handler"]

serverless-lambda-container-otel-example/app.js

@@ -1,20 +1,20 @@
-# serverless-lambda-container-otel-example
+# serverless-lambda-container-otel-layer-example
 
-Example Serverless + Lambda Container + Open Telemetry integration
+Example Serverless + Lambda Container + OpenTelemetry Lambda Layer instrumentation
 
 ## Install packages
 
 ```
 npm i
 ```
 
-## Copy the public Open Telemetry Lamda Layer
+## Copy the public OpenTelemetry Lamda Layer
 
 Note: change the `arm64` to `amd64` in the ARN below based on your Lambda architecture.
 The Lambda ARN is located here: https://aws-otel.github.io/docs/getting-started/lambda/lambda-js
 
 ```
-# download the public
+# download the public AWS otel Lambda Layer
 curl $(aws lambda get-layer-version-by-arn --arn arn:aws:lambda:us-east-2:901920570463:layer:aws-otel-nodejs-arm64-ver-1-12-0:1 --query 'Content.Location' --output text) --output layer.zip
 
 # unzip the content into lambda-layer directory

serverless-lambda-container-otel-example/index.js

@@ -10,7 +10,7 @@ exporters:
   otlp/codesee:
     endpoint: "in-otel.codesee.io:443"
     headers:
-      Authorization: "Bearer XXX"
+      Authorization: "Bearer <REPLACE WITH CODESEE TOKEN>" # !! Set your CodeSee token here. Ex: Bearer CodeSee:123...
 
 service:
   pipelines:

serverless-lambda-container-otel-example/.gitignore renamed to serverless-lambda-container-otel-layer-example/.gitignore

@@ -0,0 +1,23 @@
+const bunyan = require('bunyan');
+// Lambda comes with aws-sdk v3, this example shows if you need v2, you can override it in package.json
+const AWS = require('aws-sdk');
+const log = bunyan.createLogger({name: "serverless-lambda-container-otel-layer-example"});
+
+log.info("about to start handler");
+
+module.exports.handler = async (event) => {
+  log.info("inside lambda handler");
+  log.info(`using AWS version: ${AWS.VERSION}`); // example to show override Lambda included aws-sdk with older version
+
+  return {
+    statusCode: 200,
+    body: JSON.stringify(
+      {
+        message: "hello from serverless-lambda-container-otel-layer-example lambda",
+        input: event,
+      },
+      null,
+      2
+    ),
+  };
+};