CloudFoundry and MongoDb, a marriage made in heaven

Cloud Foundry and MongoDB, a marriage
made in heaven

Patrick Chanezon
@chanezon
Senior Director, Developer Relations
VMware

© 2009 VMware Inc. All rights reserved

Friday, December 9, 11

P@ in a nutshell

• French, based in San Francisco
• Senior Director, Developer Relations,VMware
• Software Plumber, API guy, mix of Enterprise and
Consumer
• 18 years writing software, backend guy with a
taste for javascript
• 2 y Accenture (Notes guru), 3 y Netscape/AOL
(Servers, Portals), 5 y Sun (ecommerce, blogs,
Portals, feeds, open source)
• 6 years at Google, API guy (ﬁrst hired, helped start the
team)
• Adwords, Checkout, Social, HTML5, Cloud


Spring

3


Spring’s aim:
bring simplicity to java development
data
web tier integration
batch access
& service tier & mobile
processing / NoSQL /
RIA messaging
Big Data

The Spring framework
the cloud: lightweight traditional
CloudFoundry WebSphere
tc Server
VMForce JBoss AS
Tomcat
Google App Engine WebLogic
Jetty
Amazon Web Services (on legacy versions, too!)

4


Spring Data

5


Data Access Challenge #1: Scale Horizontally

6


Data Access Challenge #2: Heterogeneous data access needs

7


New demands on data
access
•... until we needed
inexpensive horizontal
scaling for some large web
based applications ...
• ... and we needed to
deploy our apps in the
cloud ...

* image courtesy of Bitcurrent 8


NoSQL offers several data store categories

Key-Value Column Document Graph

Redis, Cassandra, MongoDB Neo4J
Riak HBase

9


NoSQL offers several data store categories

Key-Value Column Document Graph

MongoDB
(who cares about the rest?)

10


Spring Framework
built-in data access support
•Transaction abstractions
•Common data access exception hierarchy
•JDBC - JdbcTemplate
•ORM - Hibernate, JPA support
•OXM - Object to XML mapping
•Serializer/Deserializer strategies (Spring 3.0)
•Cache support (Spring 3.1)

11


http://www.springsource.org/spring-data

•Spring Data Key-value
•Spring Data Document
•Spring Data Graph
•Spring Data Column
•Spring Data Blob
•Spring Data JPA Repository / JDBC Extensions
•Spring Gemfire / Spring Hadoop ...
•Grails iNcOnSeQuentiaL
12


Spring Data Building Blocks

•Low level data access APIs
✓MongoTemplate, RedisTemplate ...
•Object Mapping (Java and GORM)
•Cross Store Persistence Programming model
•Generic Repository support
•Productivity support in Roo and Grails

13


Spring MongoDB

14


Spring Data Document
Mongo
•MongoTemplate interface for mapping Mongo documents
•MongoConverter
•SimpleMongoConverter for basic POJO mapping support
•Leverage Spring 3.0 TypeConverters and SpEL
•Exception translation
•Advanced Mapping(@Document, @Id, @DbRef)
•Annotation based
•MongoRepository
•Built on Hades support for JPA Repositories
15


Simple Domain Class

16


Mongo Template

Direct Usage of the Mongo Template:

17


Mongo Template


Insert into “Person”
Collection

17


Mongo Template


findOne using query: { "name" : "Joe"}
in db.collection: database.Person

17


Mongo Template


Dropped collection [database.person]

17


Generic Repository

Interface for generic CRUD operations on a repository for a specific type

18


Paging and Sorting Repository

Paging and Sorting Repository: Extends “CrudRepository”

19


Paging and Sorting Repository

Paging and Sorting Repository: Extends “CrudRepository”

Usage:

19


Custom Repository

Custom Repository:

20


Custom Repository

Custom Repository:

Keywords :
Keyword Sample Logical result

GreaterThan findByAgeGreaterThan(int age) {"age" : {"$gt" : age}}

LessThan findByAgeLessThan(int age) {"age" : {"$lt" : age}}

Between findByAgeBetween(int from, int to) {"age" : {"$gt" : from, "$lt" : to}}

NotNull findByFirstnameNotNull() {”firstname" : {"$ne" : null}}

Null findByFirstnameNull() {”firstname" : null}

Like findByFirstnameLike(String name) "firstname" : firstname} (regex)
20


Cross Store

21


JPA and MongoDB

JPA “Customer” with a “SurveyInfo” Document

22


Using a Cross-Store

Saving a Customer with a SurveryInfo

23


Using a Cross-Store

Create Customer

23


Using a Cross-Store


Create SurveyInfo

23


Using a Cross-Store


Assign Survey to Customer

23


Using a Cross-Store


Save

23


Using a Cross-Store


Save

Mongo Document:

23


Cloud Foundry

24


Cloud Foundry: The Open PaaS

• Open Source: Apache 2 Licensed
• multi language/frameworks
• multi services
• multi cloud

Ap

ce
pli
vFabric

rfa
Postgres Private
ca

nte
Data
Services tio Clouds

rI
n

e
Se
Public

vid
vFabric
RabbitMQTM rvi
Cloud

ro
Msg Services
ce

dP
Micro

ou
Other
Cloud
Cl
Services

25


Open Source

26


Open Source Advantage

§ http://code.google.com/p/googleappengine/issues/detail?id=13

• https://github.com/cloudfoundry/vcap/pull/25

27


Multi Cloud

28


CloudFoundry.COM

Cloud Foundry

Runtimes & Frameworks

Services

vCenter / vSphere

Infrastructure

29


Cloud Foundry.ORG

Cloud Foundry

The Source Code to Compile & Build Cloud Foundry

vCenter / vSphere

Download Setup Setup Scripts Deploy Behind
Environment Firewall
Code

30


Micro Cloud Foundry

Micro

31


What is a Micro Cloud?

Or

Entire Cloud Running inside of a single VM

32


Micro Cloud Foundry… (BETA)
A pre-built Micro (Single VM) version of Cloud Foundry…

You need a Cloud Foundry.com Account to use Micro Cloud Foundry

Signup @ http://cloudfoundry.com/micro

33


Micro Cloud Foundry… (BETA)
A pre-built Micro (Single VM) version of Cloud Foundry…

Micro

You need a Cloud Foundry.com Account to use Micro Cloud Foundry

Signup @ http://cloudfoundry.com/micro

33


Pre-requisites

Resources
Minimum 1 GB Minimum 8 GB Internet Connectivity

RAM Disk (w/DHCP is ideal)

Virtualization

Clients

VMC STS
Command line GUI

34


What is in Micro Cloud Foundry?

.COM

Dynamic Updating DNS

App Instances Services

Open source Platform as a Service project

10.04

35


Other Cloud Foundry powered PaaS

Private PaaS
Added Python and Perl

Public PaaS
Added PHP

36


Services

37


Current Services Available on Cloud Foundry

38


Service Creation and Binding

App Instance

39



App Instance Redis Service

39



App Instance Redis Service

MongoDB
Service

39


Development
LifeCycle

40


Traditional App Deploy and Request/Response

Web

Request/Allocate
Web Build/Setup
Install/Configure
App

Deploy/Test
App
Scale?
Upgrade?
DB
DB
Update?


How Apps are Deployed on Cloud Foundry

Web
Web
App

“vmc push MyApp” DB

App
Web

Scale? “vmc instances MyApp 5”
DB Upgrade? “vmc map MyApp MyApp2”
Update? “vmc update MyApp”


How Apps are Accessed on Cloud Foundry

Request Web Interface
Load
Balancing
Response
and
Routing

Web

App

App Instance

DB
“vmc push MyApp”
Service


How Apps are Scaled on Cloud Foundry

Request
Load
Load
Load
Balancer(s)
Balancing Response
Balancer(s)
and
Routing

App Instances

Web Web Web

App App App

DB
“vmc instances MyApp 3”
Service


How Apps are Updated on Cloud Foundry

Previous Instance Updated New
Version Stopped Code Version
Web Web Web Web

App App App App

DB DB

Service Service

“vmc update MyApp”


At Scale – Multi-Node Distributed App

system load balancer

elastic pool

redis mysql
front_end front_end

rabbitMQ

elastic pool

mongodb
back_end

46 10


Setting up Cloud Foundry Demo

47


Caldecott: tunnelling to Cloud Foundry services

48


Accessing Services Bound to Cloud Foundry (producer)

private String mongoDatabaseServiceName = "survey-mongo";

@Bean
public CloudEnvironment cloudEnvironment() {
return new CloudEnvironment();
}

@Bean
public MongoServiceInfo mongoServiceInfo() {
return cloudEnvironment().getServiceInfo(
mongoDatabaseServiceName, MongoServiceInfo.class);
}

@Bean
public MongoDbFactory mongoDbFactory() {
MongoServiceCreator msc = new MongoServiceCreator();
MongoDbFactory db = msc.createService(mongoServiceInfo());
}

49


Accessing Services Bound to Cloud Foundry (consumption)

@Inject private Mongo mongo ;

@Inject private MongoTemplate mongoTemplate;

50


Cloud Foundry MongoDB Demo

51


Where to Find More

§ Spring Data Project:
http://bit.ly/spring-data
§ CloudFoundry Samples:
http://bit.ly/cloudfoundry-samples
§ MicroCloud Foundry for Spring Developers
http://bit.ly/mcf4spring
§ Spring Data Mongo on Cloud Foundry (webinar, 12/01/2011)
§ http://bit.ly/spring-mongo-cloudfoundry

52


CloudFoundry and MongoDb, a marriage made in heaven

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