Merge pull request #714 from dheeraj-mummareddy/master
#473 serveless implementation using aws compute engine and serverless fram…
This commit is contained in:
Ilkka Seppälä
GitHub
6
pom.xml
6
pom.xml
@@ -48,6 +48,11 @@
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<mongo-java-driver.version>3.3.0</mongo-java-driver.version>
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<slf4j.version>1.7.21</slf4j.version>
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<logback.version>1.1.7</logback.version>
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<aws-lambda-core.version>1.1.0</aws-lambda-core.version>
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<aws-java-sdk-dynamodb.version>1.11.289</aws-java-sdk-dynamodb.version>
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<aws-lambda-log4j.version>1.0.0</aws-lambda-log4j.version>
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<aws-lambda-java-events.version>2.0.1</aws-lambda-java-events.version>
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<jackson.version>2.8.5</jackson.version>
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</properties>
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<modules>
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<module>abstract-factory</module>
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@@ -154,6 +159,7 @@
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<module>eip-aggregator</module>
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<module>retry</module>
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<module>trampoline</module>
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<module>serverless</module>
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</modules>
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<repositories>
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199
serverless/README.md
Normal file
199
serverless/README.md
Normal file
@@ -0,0 +1,199 @@
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---
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layout: pattern
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title: serverless
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folder: serverless
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permalink: /patterns/serverless/
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categories: Architectural
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tags:
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- Java
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- Difficulty-Intermediate
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---
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## Serverless
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Serverless eliminates the need to plan for infrastructure and let's you focus on your
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application.
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Following are optimization katas you should be aware of while building a serverless
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applications
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* The Lean function
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* Concise logic - Use functions to transform, not transport (utilize some of the
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integration available from the provider to transport), and make sure you read only
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what you need
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* Efficient/single purpose code - avoid conditional/routing logic and break down
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into individual functions, avoid "fat"/monolithic functions and control the
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dependencies in the function deployment package to reduce the load time for your
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function
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* ephemeral environment - Utilize container start for expensive initializations
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* Eventful Invocations
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* Succinct payloads - Scrutinize the event as much as possible, and watch for
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payload constraints (async - 128K)
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* resilient routing - Understand retry policies and leverage dead letter queues
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(SQS or SNS for replays) and remember retries count as invocations
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* concurrent execution - lambda thinks of it's scale in terms of concurrency and
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its not request based/duration based. Lambda will spin up the number of instances
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based on the request.
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* Coordinated calls
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* Decoupled via APIs - best practice to setup your application is to have API's as
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contracts that ensures separation of concerns
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* scale-matched downstream - make sure when Lambda is calling downstream
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components, you are matching scale configuration to it (by specifying max
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concurrency based on downstream services)
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* secured - Always ask a question, do I need a VPC?
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* Serviceful operations
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* Automated - use automated tools to manage and maintain the stack
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* monitored applications - use monitoring services to get holistic view of your
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serverless applications
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## Intent
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Whether to reduce your infrastructure costs, shrink the time you spend on ops tasks,
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simplify your deployment processes, reach infinite scalability, serverless cuts time
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to market in half.
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## Explanation
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Serverless computing is a cloud computing execution model in which the cloud provider
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dynamically manages the allocation of machine resources. Pricing is based on the
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actual amount of resources consumed by an application, rather than on pre-purchased
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units of capacity.
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## Serverless framework
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[Serverless](https://serverless.com/) is a toolkit for deploying and operating serverless architectures.
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## (Function as a Service or "FaaS")
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The term ‘Serverless’ is confusing since with such applications there are both server
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hardware and server processes running somewhere, but the difference to normal
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approaches is that the organization building and supporting a ‘Serverless’ application
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is not looking after the hardware or the processes - they are outsourcing this to a vendor.
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Some of the Serverless Cloud Providers are
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...
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Anything that triggers an Lambda Function to execute is regarded by the Framework as
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an Event. Most of the Serverless Cloud Providers support following Events
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- Http
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- PubSub Events
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- scheduled
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AWS supports processing event generated from AWS Services (S3/Cloudwatch/etc) and
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using aws as a compute engine is our first choice.
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## (Backend as a Service or "BaaS")
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This example creates a backend for ‘persons’ collection which uses DynamoDB NoSQL
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database service also provided by Amazon.
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## AWS lambda function implementation
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[AWS Lambda SDK](https://aws.amazon.com/sdk-for-java/) provides pre-defined interface
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`com.amazonaws.services.lambda.runtime
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.RequestHandler` to implement our lambda function.
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```java
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public class LambdaInfoApiHandler implements RequestHandler<Map<String, Object>, ApiGatewayResponse> {
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private static final Logger LOG = Logger.getLogger(LambdaInfoApiHandler.class);
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private static final Integer SUCCESS_STATUS_CODE = 200;
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@Override
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public ApiGatewayResponse handleRequest(Map<String, Object> input, Context context) {
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}
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}
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```
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handleRequest method is where the function code is implemented. Context provides
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useful information about Lambda execution environment. AWS Lambda function needs a
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deployment package. This package is either a .zip or .jar file that contains all the
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dependencies of the function.
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`serverless.yml` contains configuration to manage deployments for your functions.
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## Run example in local
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# Pre-requisites
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* Node.js v6.5.0 or later.
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* Serverless CLI v1.9.0 or later. You can run npm install -g serverless to install it.
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* An AWS account. If you don't already have one, you can sign up for a free trial that includes 1 million free Lambda requests per month.
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* [Set-up](https://serverless.com/framework/docs/providers/aws/guide/credentials/) your Provider Credentials. Watch the video on setting up credentials
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# build and deploy
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* `cd serverless`
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* `mvn clean package`
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* `serverless deploy --stage=dev --verbose`
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Based on the configuration in `serverless.yml` serverless framework creates following
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resources
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* CloudFormation stack for S3 (ServerlessDeploymentBucket)
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* IAM Role (IamRoleLambdaExecution)
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* CloudWatch (log groups)
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* API Gateway (ApiGatewayRestApi)
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* Lambda function
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* DynamoDB collection
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The command will print out Stack Outputs which looks something like this
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```yaml
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endpoints:
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GET - https://xxxxxxxxx.execute-api.us-east-1.amazonaws.com/dev/info
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POST - https://xxxxxxxxx.execute-api.us-east-1.amazonaws.com/dev/api/person
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GET - https://xxxxxxxxx.execute-api.us-east-1.amazonaws.com/dev/api/person/{id}
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```
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```yaml
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CurrentTimeLambdaFunctionQualifiedArn: arn:aws:lambda:us-east-1:xxxxxxxxxxx:function:lambda-info-http-endpoint-dev-currentTime:4
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ServiceEndpoint: https://xxxxxxxxx.execute-api.us-east-1.amazonaws.com/dev
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ServerlessDeploymentBucketName: lambda-info-http-endpoin-serverlessdeploymentbuck-2u8uz2i7cap2
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```
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access the endpoint to invoke the function.
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Use the following cURL commands to test the endpoints
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```cURL
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curl -X GET \
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https://xxxxxxxxx.execute-api.us-east-1.amazonaws.com/dev/info \
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-H 'cache-control: no-cache'
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```
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```cURL
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curl -X POST \
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https://xxxxxxxxx.execute-api.us-east-1.amazonaws.com/dev/api/person \
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-H 'cache-control: no-cache' \
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-H 'content-type: application/json' \
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-d '{
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"firstName": "Thor",
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"lastName": "Odinson",
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"address": {
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"addressLineOne": "1 Odin ln",
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"addressLineTwo": "100",
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"city": "Asgard",
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"state": "country of the Gods",
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"zipCode": "00001"
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}
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}'
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```
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```cURL
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curl -X GET \
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https://xxxxxxxxx.execute-api.us-east-1.amazonaws.com/dev/api/person/{id} \
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-H 'cache-control: no-cache'
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```
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## Credits
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* [serverless docs](https://serverless.com/framework/docs/)
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* [Serverless Architectures](https://martinfowler.com/articles/serverless.html)
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* [Serverless Black Belt](https://youtu.be/oQFORsso2go)
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BIN
serverless/etc/aws-black.png
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serverless/etc/azure-black.png
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serverless/etc/azure-black.png
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serverless/etc/gcf-black.png
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serverless/etc/gcf-black.png
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serverless/etc/kubeless-logos-black.png
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serverless/etc/kubeless-logos-black.png
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serverless/etc/openwhisk-black.png
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serverless/etc/openwhisk-black.png
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After Width: | Height: | Size: 5.6 KiB |
BIN
serverless/etc/spotinst-logos-black-small.png
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serverless/etc/spotinst-logos-black-small.png
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After Width: | Height: | Size: 5.3 KiB |
BIN
serverless/etc/webtask-small-grayscale.png
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BIN
serverless/etc/webtask-small-grayscale.png
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133
serverless/pom.xml
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133
serverless/pom.xml
Normal file
@@ -0,0 +1,133 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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||||
The MIT License
|
||||
Copyright (c) 2014-2017 Ilkka Seppälä
|
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Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
THE SOFTWARE.
|
||||
-->
|
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>serverless</artifactId>
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<parent>
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<groupId>com.iluwatar</groupId>
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<artifactId>java-design-patterns</artifactId>
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<version>1.20.0-SNAPSHOT</version>
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</parent>
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<dependencies>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-lambda-java-core</artifactId>
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<version>${aws-lambda-core.version}</version>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-java-sdk-dynamodb</artifactId>
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<version>${aws-java-sdk-dynamodb.version}</version>
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<exclusions>
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<exclusion>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-java-sdk-s3</artifactId>
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</exclusion>
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<exclusion>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-java-sdk-kms</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-lambda-java-events</artifactId>
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<version>${aws-lambda-java-events.version}</version>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-lambda-java-log4j</artifactId>
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<version>${aws-lambda-log4j.version}</version>
|
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</dependency>
|
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<dependency>
|
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<groupId>com.fasterxml.jackson.core</groupId>
|
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<artifactId>jackson-core</artifactId>
|
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<version>${jackson.version}</version>
|
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</dependency>
|
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<dependency>
|
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<groupId>com.fasterxml.jackson.core</groupId>
|
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<artifactId>jackson-databind</artifactId>
|
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<version>${jackson.version}</version>
|
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</dependency>
|
||||
<dependency>
|
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<groupId>com.fasterxml.jackson.core</groupId>
|
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<artifactId>jackson-annotations</artifactId>
|
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<version>${jackson.version}</version>
|
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</dependency>
|
||||
<dependency>
|
||||
<groupId>org.junit.jupiter</groupId>
|
||||
<artifactId>junit-jupiter-api</artifactId>
|
||||
<scope>test</scope>
|
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</dependency>
|
||||
<dependency>
|
||||
<groupId>org.junit.jupiter</groupId>
|
||||
<artifactId>junit-jupiter-engine</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.mockito</groupId>
|
||||
<artifactId>mockito-core</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
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<build>
|
||||
<plugins>
|
||||
<!--
|
||||
Using the Apache Maven Shade plugin to package the jar
|
||||
|
||||
"This plugin provides the capability to package the artifact
|
||||
in an uber-jar, including its dependencies and to shade - i.e. rename -
|
||||
the packages of some of the dependencies."
|
||||
|
||||
Link: https://maven.apache.org/plugins/maven-shade-plugin/
|
||||
-->
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-shade-plugin</artifactId>
|
||||
<version>2.3</version>
|
||||
<configuration>
|
||||
<createDependencyReducedPom>false</createDependencyReducedPom>
|
||||
</configuration>
|
||||
<executions>
|
||||
<execution>
|
||||
<phase>package</phase>
|
||||
<goals>
|
||||
<goal>shade</goal>
|
||||
</goals>
|
||||
<configuration>
|
||||
<finalName>${project.artifactId}</finalName>
|
||||
</configuration>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
</project>
|
||||
102
serverless/serverless.yml
Normal file
102
serverless/serverless.yml
Normal file
@@ -0,0 +1,102 @@
|
||||
#
|
||||
# The MIT License
|
||||
# Copyright (c) 2014 Ilkka Seppälä
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documentation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
# THE SOFTWARE.
|
||||
#
|
||||
|
||||
service: serverless-services
|
||||
|
||||
frameworkVersion: ">=1.2.0 <2.0.0"
|
||||
|
||||
provider:
|
||||
name: aws
|
||||
runtime: java8
|
||||
usagePlan:
|
||||
quota:
|
||||
limit: 500
|
||||
offset: 2
|
||||
period: MONTH
|
||||
throttle:
|
||||
burstLimit: 20
|
||||
rateLimit: 10
|
||||
|
||||
package:
|
||||
artifact: target/serverless.jar
|
||||
|
||||
functions:
|
||||
lambdaInfoApi:
|
||||
handler: com.iluwatar.serverless.faas.api.LambdaInfoApiHandler
|
||||
events:
|
||||
- http:
|
||||
path: info
|
||||
method: get
|
||||
|
||||
savePerson:
|
||||
handler: com.iluwatar.serverless.baas.api.SavePersonApiHandler
|
||||
events:
|
||||
- http:
|
||||
path: api/person
|
||||
method: post
|
||||
cors: true
|
||||
integration: lambda-proxy
|
||||
|
||||
getPerson:
|
||||
handler: com.iluwatar.serverless.baas.api.FindPersonApiHandler
|
||||
events:
|
||||
- http:
|
||||
path: api/person/{id}
|
||||
method: get
|
||||
cors: true
|
||||
integration: lambda-proxy
|
||||
|
||||
resources:
|
||||
Resources:
|
||||
DynamoDbTable:
|
||||
Type: AWS::DynamoDB::Table
|
||||
Properties:
|
||||
TableName: persons
|
||||
AttributeDefinitions:
|
||||
- AttributeName: id
|
||||
AttributeType: S
|
||||
KeySchema:
|
||||
- AttributeName: id
|
||||
KeyType: HASH
|
||||
ProvisionedThroughput:
|
||||
ReadCapacityUnits: 1
|
||||
WriteCapacityUnits: 1
|
||||
DynamoDBIamPolicy:
|
||||
Type: AWS::IAM::Policy
|
||||
DependsOn: DynamoDbTable
|
||||
Properties:
|
||||
PolicyName: lambda-dynamodb
|
||||
PolicyDocument:
|
||||
Version: '2012-10-17'
|
||||
Statement:
|
||||
- Effect: Allow
|
||||
Action:
|
||||
- dynamodb:GetItem
|
||||
- dynamodb:PutItem
|
||||
- dynamodb:UpdateItem
|
||||
- dynamodb:DeleteItem
|
||||
- dynamodb:Query
|
||||
- dynamodb:Scan
|
||||
Resource: arn:aws:dynamodb:*:*:table/persons
|
||||
Roles:
|
||||
- Ref: IamRoleLambdaExecution
|
||||
@@ -0,0 +1,101 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.baas.api;
|
||||
|
||||
import com.amazonaws.regions.Regions;
|
||||
import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
|
||||
import com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientBuilder;
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
|
||||
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
|
||||
import com.fasterxml.jackson.core.JsonProcessingException;
|
||||
import com.fasterxml.jackson.databind.ObjectMapper;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* abstract dynamodb handler
|
||||
* @param <T> - serializable collection
|
||||
*/
|
||||
public abstract class AbstractDynamoDbHandler<T extends Serializable> {
|
||||
private DynamoDBMapper dynamoDbMapper;
|
||||
|
||||
private ObjectMapper objectMapper;
|
||||
|
||||
public AbstractDynamoDbHandler() {
|
||||
this.initAmazonDynamoDb();
|
||||
this.objectMapper = new ObjectMapper();
|
||||
}
|
||||
|
||||
private void initAmazonDynamoDb() {
|
||||
AmazonDynamoDB amazonDynamoDb = AmazonDynamoDBClientBuilder
|
||||
.standard()
|
||||
.withRegion(Regions.US_EAST_1)
|
||||
.build();
|
||||
|
||||
this.dynamoDbMapper = new DynamoDBMapper(amazonDynamoDb);
|
||||
}
|
||||
|
||||
protected DynamoDBMapper getDynamoDbMapper() {
|
||||
return this.dynamoDbMapper;
|
||||
}
|
||||
|
||||
protected ObjectMapper getObjectMapper() {
|
||||
return objectMapper;
|
||||
}
|
||||
|
||||
public void setDynamoDbMapper(DynamoDBMapper dynamoDbMapper) {
|
||||
this.dynamoDbMapper = dynamoDbMapper;
|
||||
}
|
||||
|
||||
protected Map<String, String> headers() {
|
||||
Map<String, String> headers = new HashMap<>();
|
||||
headers.put("Content-Type", "application/json");
|
||||
|
||||
return headers;
|
||||
}
|
||||
|
||||
/**
|
||||
* API Gateway response
|
||||
*
|
||||
* @param statusCode - status code
|
||||
* @param body - Object body
|
||||
* @return - api gateway proxy response
|
||||
*/
|
||||
protected APIGatewayProxyResponseEvent apiGatewayProxyResponseEvent(Integer statusCode, T body) {
|
||||
APIGatewayProxyResponseEvent apiGatewayProxyResponseEvent =
|
||||
new APIGatewayProxyResponseEvent().withHeaders(headers());
|
||||
try {
|
||||
apiGatewayProxyResponseEvent
|
||||
.withStatusCode(statusCode)
|
||||
.withBody(getObjectMapper()
|
||||
.writeValueAsString(body));
|
||||
|
||||
} catch (JsonProcessingException jsonProcessingException) {
|
||||
throw new RuntimeException(jsonProcessingException);
|
||||
}
|
||||
|
||||
return apiGatewayProxyResponseEvent;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,51 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.baas.api;
|
||||
|
||||
import com.amazonaws.services.lambda.runtime.Context;
|
||||
import com.amazonaws.services.lambda.runtime.RequestHandler;
|
||||
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent;
|
||||
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
|
||||
import com.iluwatar.serverless.baas.model.Person;
|
||||
import org.apache.log4j.Logger;
|
||||
|
||||
/**
|
||||
* find person from persons collection
|
||||
* Created by dheeraj.mummar on 3/5/18.
|
||||
*/
|
||||
public class FindPersonApiHandler extends AbstractDynamoDbHandler
|
||||
implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {
|
||||
|
||||
private static final Logger LOG = Logger.getLogger(FindPersonApiHandler.class);
|
||||
private static final Integer SUCCESS_STATUS_CODE = 200;
|
||||
|
||||
@Override
|
||||
public APIGatewayProxyResponseEvent handleRequest(APIGatewayProxyRequestEvent apiGatewayProxyRequestEvent,
|
||||
Context context) {
|
||||
LOG.info(apiGatewayProxyRequestEvent.getPathParameters());
|
||||
Person person = this.getDynamoDbMapper().load(Person.class, apiGatewayProxyRequestEvent
|
||||
.getPathParameters().get("id"));
|
||||
|
||||
return apiGatewayProxyResponseEvent(SUCCESS_STATUS_CODE, person);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,61 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.baas.api;
|
||||
|
||||
import com.amazonaws.services.lambda.runtime.Context;
|
||||
import com.amazonaws.services.lambda.runtime.RequestHandler;
|
||||
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent;
|
||||
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
|
||||
import com.iluwatar.serverless.baas.model.Person;
|
||||
import org.apache.log4j.Logger;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
/**
|
||||
* save person into persons collection
|
||||
* Created by dheeraj.mummar on 3/4/18.
|
||||
*/
|
||||
public class SavePersonApiHandler extends AbstractDynamoDbHandler
|
||||
implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {
|
||||
|
||||
private static final Logger LOG = Logger.getLogger(SavePersonApiHandler.class);
|
||||
private static final Integer CREATED_STATUS_CODE = 201;
|
||||
private static final Integer BAD_REQUEST_STATUS_CODE = 400;
|
||||
|
||||
@Override
|
||||
public APIGatewayProxyResponseEvent handleRequest(APIGatewayProxyRequestEvent
|
||||
apiGatewayProxyRequestEvent, Context context) {
|
||||
APIGatewayProxyResponseEvent apiGatewayProxyResponseEvent;
|
||||
Person person;
|
||||
try {
|
||||
person = getObjectMapper().readValue(apiGatewayProxyRequestEvent.getBody(), Person.class);
|
||||
getDynamoDbMapper().save(person);
|
||||
apiGatewayProxyResponseEvent = apiGatewayProxyResponseEvent(CREATED_STATUS_CODE, person);
|
||||
} catch (IOException ioException) {
|
||||
LOG.error("unable to parse body", ioException);
|
||||
apiGatewayProxyResponseEvent = apiGatewayProxyResponseEvent(BAD_REQUEST_STATUS_CODE, null);
|
||||
}
|
||||
|
||||
return apiGatewayProxyResponseEvent;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,141 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.baas.model;
|
||||
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAttribute;
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBDocument;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
/**
|
||||
* Address class
|
||||
* Created by dheeraj.mummarareddy on 3/4/18.
|
||||
*/
|
||||
@DynamoDBDocument
|
||||
public class Address implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 6760844284799736970L;
|
||||
|
||||
private String addressLineOne;
|
||||
private String addressLineTwo;
|
||||
private String city;
|
||||
private String state;
|
||||
private String zipCode;
|
||||
|
||||
@DynamoDBAttribute(attributeName = "addressLineOne")
|
||||
public String getAddressLineOne() {
|
||||
return addressLineOne;
|
||||
}
|
||||
|
||||
public void setAddressLineOne(String addressLineOne) {
|
||||
this.addressLineOne = addressLineOne;
|
||||
}
|
||||
|
||||
@DynamoDBAttribute(attributeName = "addressLineTwo")
|
||||
public String getAddressLineTwo() {
|
||||
return addressLineTwo;
|
||||
}
|
||||
|
||||
public void setAddressLineTwo(String addressLineTwo) {
|
||||
this.addressLineTwo = addressLineTwo;
|
||||
}
|
||||
|
||||
@DynamoDBAttribute(attributeName = "city")
|
||||
public String getCity() {
|
||||
return city;
|
||||
}
|
||||
|
||||
public void setCity(String city) {
|
||||
this.city = city;
|
||||
}
|
||||
|
||||
@DynamoDBAttribute(attributeName = "state")
|
||||
public String getState() {
|
||||
return state;
|
||||
}
|
||||
|
||||
public void setState(String state) {
|
||||
this.state = state;
|
||||
}
|
||||
|
||||
@DynamoDBAttribute(attributeName = "zipCode")
|
||||
public String getZipCode() {
|
||||
return zipCode;
|
||||
}
|
||||
|
||||
public void setZipCode(String zipCode) {
|
||||
this.zipCode = zipCode;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object o) {
|
||||
if (this == o) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (o == null || getClass() != o.getClass()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
Address address = (Address) o;
|
||||
|
||||
if (addressLineOne != null ? !addressLineOne.equals(address.addressLineOne) :
|
||||
address.addressLineOne != null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (addressLineTwo != null ? !addressLineTwo.equals(address.addressLineTwo) :
|
||||
address.addressLineTwo != null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (city != null ? !city.equals(address.city) : address.city != null) {
|
||||
return false;
|
||||
}
|
||||
if (state != null ? !state.equals(address.state) : address.state != null) {
|
||||
return false;
|
||||
}
|
||||
return zipCode != null ? zipCode.equals(address.zipCode) : address.zipCode == null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
int result = addressLineOne != null ? addressLineOne.hashCode() : 0;
|
||||
result = 31 * result + (addressLineTwo != null ? addressLineTwo.hashCode() : 0);
|
||||
result = 31 * result + (city != null ? city.hashCode() : 0);
|
||||
result = 31 * result + (state != null ? state.hashCode() : 0);
|
||||
result = 31 * result + (zipCode != null ? zipCode.hashCode() : 0);
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Address{"
|
||||
+ "addressLineOne='" + addressLineOne + '\''
|
||||
+ ", addressLineTwo='" + addressLineTwo + '\''
|
||||
+ ", city='" + city + '\''
|
||||
+ ", state='" + state + '\''
|
||||
+ ", zipCode='" + zipCode + '\''
|
||||
+ '}';
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,124 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.baas.model;
|
||||
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAttribute;
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAutoGeneratedKey;
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBHashKey;
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBTable;
|
||||
import com.fasterxml.jackson.annotation.JsonProperty;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
/**
|
||||
* Person class
|
||||
* Created by dheeraj.mummarareddy on 3/4/18.
|
||||
*/
|
||||
@DynamoDBTable(tableName = "persons")
|
||||
public class Person implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = -3413087924608627075L;
|
||||
|
||||
private String id;
|
||||
private String firstName;
|
||||
private String lastName;
|
||||
private Address address;
|
||||
|
||||
@JsonProperty(access = JsonProperty.Access.READ_ONLY)
|
||||
@DynamoDBHashKey(attributeName = "id")
|
||||
@DynamoDBAutoGeneratedKey
|
||||
public String getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(String id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
@DynamoDBAttribute(attributeName = "firstName")
|
||||
public String getFirstName() {
|
||||
return firstName;
|
||||
}
|
||||
|
||||
public void setFirstName(String firstName) {
|
||||
this.firstName = firstName;
|
||||
}
|
||||
|
||||
@DynamoDBAttribute(attributeName = "lastName")
|
||||
public String getLastName() {
|
||||
return lastName;
|
||||
}
|
||||
|
||||
public void setLastName(String lastName) {
|
||||
this.lastName = lastName;
|
||||
}
|
||||
|
||||
@DynamoDBAttribute(attributeName = "address")
|
||||
public Address getAddress() {
|
||||
return address;
|
||||
}
|
||||
|
||||
public void setAddress(Address address) {
|
||||
this.address = address;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object o) {
|
||||
if (this == o) {
|
||||
return true;
|
||||
}
|
||||
if (o == null || getClass() != o.getClass()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
Person person = (Person) o;
|
||||
|
||||
if (firstName != null ? !firstName.equals(person.firstName) : person.firstName != null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (lastName != null ? !lastName.equals(person.lastName) : person.lastName != null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return address != null ? address.equals(person.address) : person.address == null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
int result = firstName != null ? firstName.hashCode() : 0;
|
||||
result = 31 * result + (lastName != null ? lastName.hashCode() : 0);
|
||||
result = 31 * result + (address != null ? address.hashCode() : 0);
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Person{"
|
||||
+ "id='" + id + '\''
|
||||
+ ", firstName='" + firstName + '\''
|
||||
+ ", lastName='" + lastName + '\''
|
||||
+ ", address=" + address
|
||||
+ '}';
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,166 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.faas;
|
||||
|
||||
import com.fasterxml.jackson.core.JsonProcessingException;
|
||||
import com.fasterxml.jackson.databind.ObjectMapper;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* Api gateway response
|
||||
*
|
||||
* @param <T> serializable object
|
||||
*/
|
||||
public class ApiGatewayResponse<T extends Serializable> implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 1181159426782844892L;
|
||||
|
||||
private final Integer statusCode;
|
||||
private final String body;
|
||||
private final Map<String, String> headers;
|
||||
private final Boolean isBase64Encoded;
|
||||
|
||||
/**
|
||||
* api gateway response
|
||||
*
|
||||
* @param statusCode - http status code
|
||||
* @param body - response body
|
||||
* @param headers - response headers
|
||||
* @param isBase64Encoded - base64Encoded flag
|
||||
*/
|
||||
public ApiGatewayResponse(Integer statusCode, String body, Map<String, String> headers,
|
||||
Boolean isBase64Encoded) {
|
||||
this.statusCode = statusCode;
|
||||
this.body = body;
|
||||
this.headers = headers;
|
||||
this.isBase64Encoded = isBase64Encoded;
|
||||
}
|
||||
|
||||
/**
|
||||
* http status code
|
||||
*
|
||||
* @return statusCode - http status code
|
||||
*/
|
||||
public Integer getStatusCode() {
|
||||
return statusCode;
|
||||
}
|
||||
|
||||
/**
|
||||
* response body
|
||||
*
|
||||
* @return string body
|
||||
*/
|
||||
public String getBody() {
|
||||
return body;
|
||||
}
|
||||
|
||||
/**
|
||||
* response headers
|
||||
*
|
||||
* @return response headers
|
||||
*/
|
||||
public Map<String, String> getHeaders() {
|
||||
return headers;
|
||||
}
|
||||
|
||||
/**
|
||||
* base64Encoded flag, API Gateway expects the property to be called "isBase64Encoded"
|
||||
*
|
||||
* @return base64Encoded flag
|
||||
*/
|
||||
public Boolean isBase64Encoded() {
|
||||
return isBase64Encoded;
|
||||
}
|
||||
|
||||
/**
|
||||
* ApiGatewayResponse Builder class
|
||||
* @param <T> Serializable object
|
||||
*/
|
||||
public static class ApiGatewayResponseBuilder<T extends Serializable> {
|
||||
private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
|
||||
private Integer statusCode;
|
||||
private T body;
|
||||
private Map<String, String> headers;
|
||||
private Boolean isBase64Encoded;
|
||||
|
||||
/**
|
||||
* http status code
|
||||
* @param statusCode - http status code
|
||||
* @return ApiGatewayResponseBuilder
|
||||
*/
|
||||
public ApiGatewayResponseBuilder statusCode(Integer statusCode) {
|
||||
this.statusCode = statusCode;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Serializable body
|
||||
* @param body - Serializable object
|
||||
* @return ApiGatewayResponseBuilder
|
||||
*/
|
||||
public ApiGatewayResponseBuilder body(T body) {
|
||||
this.body = body;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* response headers
|
||||
* @param headers - response headers
|
||||
* @return ApiGatewayResponseBuilder
|
||||
*/
|
||||
public ApiGatewayResponseBuilder headers(Map<String, String> headers) {
|
||||
this.headers = headers;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* base64Encoded glag
|
||||
* @param isBase64Encoded - base64Encoded flag
|
||||
* @return ApiGatewayResponseBuilder
|
||||
*/
|
||||
public ApiGatewayResponseBuilder base64Encoded(Boolean isBase64Encoded) {
|
||||
this.isBase64Encoded = isBase64Encoded;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* build ApiGatewayResponse
|
||||
*
|
||||
* @return ApiGatewayResponse
|
||||
*/
|
||||
public ApiGatewayResponse build() {
|
||||
String strBody = null;
|
||||
if (this.body != null) {
|
||||
try {
|
||||
strBody = OBJECT_MAPPER.writeValueAsString(body);
|
||||
} catch (JsonProcessingException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
|
||||
return new ApiGatewayResponse(this.statusCode, strBody, this.headers, this.isBase64Encoded);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,140 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.faas;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
/**
|
||||
* Lambda context information
|
||||
*/
|
||||
public class LambdaInfo implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 3936130599040848923L;
|
||||
|
||||
private String awsRequestId;
|
||||
private String logGroupName;
|
||||
private String logStreamName;
|
||||
private String functionName;
|
||||
private String functionVersion;
|
||||
private Integer memoryLimitInMb;
|
||||
|
||||
public String getAwsRequestId() {
|
||||
return awsRequestId;
|
||||
}
|
||||
|
||||
public void setAwsRequestId(String awsRequestId) {
|
||||
this.awsRequestId = awsRequestId;
|
||||
}
|
||||
|
||||
public String getLogGroupName() {
|
||||
return logGroupName;
|
||||
}
|
||||
|
||||
public void setLogGroupName(String logGroupName) {
|
||||
this.logGroupName = logGroupName;
|
||||
}
|
||||
|
||||
public String getLogStreamName() {
|
||||
return logStreamName;
|
||||
}
|
||||
|
||||
public void setLogStreamName(String logStreamName) {
|
||||
this.logStreamName = logStreamName;
|
||||
}
|
||||
|
||||
public String getFunctionName() {
|
||||
return functionName;
|
||||
}
|
||||
|
||||
public void setFunctionName(String functionName) {
|
||||
this.functionName = functionName;
|
||||
}
|
||||
|
||||
public String getFunctionVersion() {
|
||||
return functionVersion;
|
||||
}
|
||||
|
||||
public void setFunctionVersion(String functionVersion) {
|
||||
this.functionVersion = functionVersion;
|
||||
}
|
||||
|
||||
public Integer getMemoryLimitInMb() {
|
||||
return memoryLimitInMb;
|
||||
}
|
||||
|
||||
public void setMemoryLimitInMb(Integer memoryLimitInMb) {
|
||||
this.memoryLimitInMb = memoryLimitInMb;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "LambdaInfo{"
|
||||
+ "awsRequestId='" + awsRequestId + '\''
|
||||
+ ", logGroupName='" + logGroupName + '\''
|
||||
+ ", logStreamName='" + logStreamName + '\''
|
||||
+ ", functionName='" + functionName + '\''
|
||||
+ ", functionVersion='" + functionVersion + '\''
|
||||
+ ", memoryLimitInMb=" + memoryLimitInMb
|
||||
+ '}';
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object o) {
|
||||
if (this == o) {
|
||||
return true;
|
||||
}
|
||||
if (o == null || getClass() != o.getClass()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
LambdaInfo that = (LambdaInfo) o;
|
||||
|
||||
if (awsRequestId != null ? !awsRequestId.equals(that.awsRequestId) : that.awsRequestId != null) {
|
||||
return false;
|
||||
}
|
||||
if (logGroupName != null ? !logGroupName.equals(that.logGroupName) : that.logGroupName != null) {
|
||||
return false;
|
||||
}
|
||||
if (logStreamName != null ? !logStreamName.equals(that.logStreamName) : that.logStreamName != null) {
|
||||
return false;
|
||||
}
|
||||
if (functionName != null ? !functionName.equals(that.functionName) : that.functionName != null) {
|
||||
return false;
|
||||
}
|
||||
if (functionVersion != null ? !functionVersion.equals(that.functionVersion) : that.functionVersion != null) {
|
||||
return false;
|
||||
}
|
||||
return memoryLimitInMb != null ? memoryLimitInMb.equals(that.memoryLimitInMb) : that.memoryLimitInMb == null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
int result = awsRequestId != null ? awsRequestId.hashCode() : 0;
|
||||
result = 31 * result + (logGroupName != null ? logGroupName.hashCode() : 0);
|
||||
result = 31 * result + (logStreamName != null ? logStreamName.hashCode() : 0);
|
||||
result = 31 * result + (functionName != null ? functionName.hashCode() : 0);
|
||||
result = 31 * result + (functionVersion != null ? functionVersion.hashCode() : 0);
|
||||
result = 31 * result + (memoryLimitInMb != null ? memoryLimitInMb.hashCode() : 0);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,83 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.faas.api;
|
||||
|
||||
import com.iluwatar.serverless.faas.ApiGatewayResponse;
|
||||
|
||||
import com.amazonaws.services.lambda.runtime.Context;
|
||||
import com.amazonaws.services.lambda.runtime.RequestHandler;
|
||||
import com.iluwatar.serverless.faas.LambdaInfo;
|
||||
import org.apache.log4j.BasicConfigurator;
|
||||
import org.apache.log4j.Logger;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* LambdaInfoApiHandler - simple api to get lambda context
|
||||
* Created by dheeraj.mummar on 2/5/18.
|
||||
*/
|
||||
public class LambdaInfoApiHandler implements RequestHandler<Map<String, Object>, ApiGatewayResponse> {
|
||||
|
||||
private static final Logger LOG = Logger.getLogger(LambdaInfoApiHandler.class);
|
||||
private static final Integer SUCCESS_STATUS_CODE = 200;
|
||||
|
||||
|
||||
@Override
|
||||
public ApiGatewayResponse handleRequest(Map<String, Object> input, Context context) {
|
||||
BasicConfigurator.configure();
|
||||
LOG.info("received: " + input);
|
||||
|
||||
return new ApiGatewayResponse
|
||||
.ApiGatewayResponseBuilder<LambdaInfo>()
|
||||
.headers(headers())
|
||||
.statusCode(SUCCESS_STATUS_CODE)
|
||||
.body(lambdaInfo(context))
|
||||
.build();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* lambdaInfo
|
||||
* @param context - Lambda context
|
||||
* @return LambdaInfo
|
||||
*/
|
||||
private LambdaInfo lambdaInfo(Context context) {
|
||||
LambdaInfo lambdaInfo = new LambdaInfo();
|
||||
lambdaInfo.setAwsRequestId(context.getAwsRequestId());
|
||||
lambdaInfo.setFunctionName(context.getFunctionName());
|
||||
lambdaInfo.setFunctionVersion(context.getFunctionVersion());
|
||||
lambdaInfo.setLogGroupName(context.getLogGroupName());
|
||||
lambdaInfo.setLogStreamName(context.getLogStreamName());
|
||||
lambdaInfo.setMemoryLimitInMb(context.getMemoryLimitInMB());
|
||||
|
||||
return lambdaInfo;
|
||||
}
|
||||
|
||||
private Map<String, String> headers() {
|
||||
Map<String, String> headers = new HashMap<>();
|
||||
headers.put("Content-Type", "application/json");
|
||||
|
||||
return headers;
|
||||
}
|
||||
}
|
||||
29
serverless/src/main/resources/log4j.properties
Normal file
29
serverless/src/main/resources/log4j.properties
Normal file
@@ -0,0 +1,29 @@
|
||||
#
|
||||
# The MIT License
|
||||
# Copyright (c) 2014 Ilkka Seppälä
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documentation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
# THE SOFTWARE.
|
||||
#
|
||||
|
||||
log = .
|
||||
log4j.rootLogger = DEBUG, LAMBDA
|
||||
|
||||
log4j.appender.LAMBDA=com.amazonaws.services.lambda.runtime.log4j.LambdaAppender
|
||||
log4j.appender.LAMBDA.layout=org.apache.log4j.PatternLayout
|
||||
log4j.appender.LAMBDA.layout.conversionPattern=%d{yyyy-MM-dd HH:mm:ss} <%X{AWSRequestId}> %-5p %c:%L - %m%n
|
||||
@@ -0,0 +1,72 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.baas.api;
|
||||
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
|
||||
import com.amazonaws.services.lambda.runtime.Context;
|
||||
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent;
|
||||
import com.iluwatar.serverless.baas.api.FindPersonApiHandler;
|
||||
import com.iluwatar.serverless.baas.api.SavePersonApiHandler;
|
||||
import com.iluwatar.serverless.baas.model.Person;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.mockito.Mock;
|
||||
import org.mockito.runners.MockitoJUnitRunner;
|
||||
|
||||
import java.util.Collections;
|
||||
|
||||
import static org.mockito.Mockito.mock;
|
||||
import static org.mockito.Mockito.times;
|
||||
import static org.mockito.Mockito.verify;
|
||||
|
||||
/**
|
||||
* Unit tests for FindPersonApiHandler
|
||||
* Created by dheeraj.mummar on 3/5/18.
|
||||
*/
|
||||
@RunWith(MockitoJUnitRunner.class)
|
||||
public class FindPersonApiHandlerTest {
|
||||
|
||||
private FindPersonApiHandler findPersonApiHandler;
|
||||
|
||||
@Mock
|
||||
private DynamoDBMapper dynamoDbMapper;
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
this.findPersonApiHandler = new FindPersonApiHandler();
|
||||
this.findPersonApiHandler.setDynamoDbMapper(dynamoDbMapper);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void handleRequest() {
|
||||
findPersonApiHandler.handleRequest(apiGatewayProxyRequestEvent(), mock(Context.class));
|
||||
verify(dynamoDbMapper, times(1)).load(Person.class, "37e7a1fe-3544-473d-b764-18128f02d72d");
|
||||
}
|
||||
|
||||
private APIGatewayProxyRequestEvent apiGatewayProxyRequestEvent() {
|
||||
return new APIGatewayProxyRequestEvent()
|
||||
.withPathParamters(Collections
|
||||
.singletonMap("id", "37e7a1fe-3544-473d-b764-18128f02d72d"));
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,101 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.baas.api;
|
||||
|
||||
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
|
||||
import com.amazonaws.services.lambda.runtime.Context;
|
||||
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent;
|
||||
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
|
||||
import com.fasterxml.jackson.core.JsonProcessingException;
|
||||
import com.fasterxml.jackson.databind.ObjectMapper;
|
||||
import com.iluwatar.serverless.baas.api.SavePersonApiHandler;
|
||||
import com.iluwatar.serverless.baas.model.Address;
|
||||
import com.iluwatar.serverless.baas.model.Person;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.mockito.Mock;
|
||||
import org.mockito.runners.MockitoJUnitRunner;
|
||||
|
||||
import static org.mockito.Mockito.*;
|
||||
|
||||
/**
|
||||
* Unit tests for SavePersonApiHandler
|
||||
* Created by dheeraj.mummar on 3/4/18.
|
||||
*/
|
||||
@RunWith(MockitoJUnitRunner.class)
|
||||
public class SavePersonApiHandlerTest {
|
||||
|
||||
private SavePersonApiHandler savePersonApiHandler;
|
||||
|
||||
@Mock
|
||||
private DynamoDBMapper dynamoDbMapper;
|
||||
|
||||
private ObjectMapper objectMapper = new ObjectMapper();
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
this.savePersonApiHandler = new SavePersonApiHandler();
|
||||
this.savePersonApiHandler.setDynamoDbMapper(dynamoDbMapper);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void handleRequestSavePersonSuccessful() throws JsonProcessingException {
|
||||
Person person = newPerson();
|
||||
APIGatewayProxyResponseEvent apiGatewayProxyResponseEvent =
|
||||
this.savePersonApiHandler
|
||||
.handleRequest(apiGatewayProxyRequestEvent(objectMapper.writeValueAsString(person)), mock(Context.class));
|
||||
verify(dynamoDbMapper, times(1)).save(person);
|
||||
Assert.assertNotNull(apiGatewayProxyResponseEvent);
|
||||
Assert.assertEquals(new Integer(201), apiGatewayProxyResponseEvent.getStatusCode());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void handleRequestSavePersonException() {
|
||||
APIGatewayProxyResponseEvent apiGatewayProxyResponseEvent =
|
||||
this.savePersonApiHandler
|
||||
.handleRequest(apiGatewayProxyRequestEvent("invalid sample request"), mock(Context.class));
|
||||
Assert.assertNotNull(apiGatewayProxyResponseEvent);
|
||||
Assert.assertEquals(new Integer(400), apiGatewayProxyResponseEvent.getStatusCode());
|
||||
}
|
||||
|
||||
private APIGatewayProxyRequestEvent apiGatewayProxyRequestEvent(String body) {
|
||||
APIGatewayProxyRequestEvent apiGatewayProxyRequestEvent = new APIGatewayProxyRequestEvent();
|
||||
return apiGatewayProxyRequestEvent.withBody(body);
|
||||
}
|
||||
|
||||
private Person newPerson() {
|
||||
Person person = new Person();
|
||||
person.setFirstName("Thor");
|
||||
person.setLastName("Odinson");
|
||||
Address address = new Address();
|
||||
address.setAddressLineOne("1 Odin ln");
|
||||
address.setCity("Asgard");
|
||||
address.setState("country of the Gods");
|
||||
address.setZipCode("00001");
|
||||
person.setAddress(address);
|
||||
|
||||
return person;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,49 @@
|
||||
/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
* <p>
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
* <p>
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
* <p>
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.faas.api;
|
||||
|
||||
import com.amazonaws.services.lambda.runtime.Context;
|
||||
import org.junit.jupiter.api.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.mockito.runners.MockitoJUnitRunner;
|
||||
|
||||
import static org.hamcrest.MatcherAssert.assertThat;
|
||||
import static org.hamcrest.core.IsNull.notNullValue;
|
||||
import static org.mockito.Mockito.mock;
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
/**
|
||||
* Unit tests for LambdaInfoApiHandler
|
||||
*/
|
||||
@RunWith(MockitoJUnitRunner.class)
|
||||
public class LambdaInfoApiHandlerTest {
|
||||
|
||||
@Test
|
||||
public void handleRequestWithMockContext() {
|
||||
LambdaInfoApiHandler lambdaInfoApiHandler = new LambdaInfoApiHandler();
|
||||
Context context = mock(Context.class);
|
||||
when(context.getAwsRequestId()).thenReturn("mock aws request id");
|
||||
|
||||
assertThat(lambdaInfoApiHandler.handleRequest(null, context), notNullValue());
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user