new server, new clients: taking your couchbase 3.0 apps to the next level

New Server, New Clients: Taking your Couchbase 3.0 apps to the next level

Jeff Morris | Software Engineer, Couchbase

©2014 Couchbase, Inc. 2

Use SSL in SDK 2.0 to secure client-server communication Build rich and more powerful applications Learn document-oriented APIs & reactive language interfaces

Agenda

Securing Client-Server Communication with SSL

Why SSL?

Installing certificates

Configuring the client

Overview


Data sent between client and server is in plain text

Cloud and hybrid cloud deployments more and more common

Hackers and the tools are becoming more and more sophisticated

Gaining customer trust

Protecting from “man-in-the-middle” attacks

Why SSL?

Encrypted Admin & Data Access

Data Access Encryption SSL based Client-server Communications SSL based View Access

https://couchbase_server:18092/…

Admin Access Encryption – REST, CLI and HTTPShttps://couchbase_server:18091/…

Encrypted Client-Server Communication

SERVER 3SERVER 1 SERVER 2

Couchbase Server


Three Steps:

1. Copy the certificate 2. Install it into the certificate store3. Enable SSL on the client

That’s It!

How do we use SSL in our Couchbase Applications?


Step 1: Copy the Certificate


Varies from OS to OS On Windows:

Step 2: Install it in the Ceritificate Store

Copy the “.crt” file from Step 1 to your app serverOpen the Certificate Manager (certmgr.msc)Locate the “Trusted Root Certification Authority”Right click on it and then All Tasks -> ImportFollow the wizard to finish the installation


Each SDK has it’s own implementation of “UseSsl” Once enabled, the client will send all traffic on the following ports:

Step 3: Enable “UseSsl” on the client:

All data sent between the Application and the Cluster will be encrypted All ports are configurable! Supported by Enterprise Edition 3.0+

UseSsl: true UseSsl:false

Management API 18091 8091

View API 18092 8092

Binary Memcached 11207 11210


Configuring the Client: Programmatic configuration


Configuring the Client: using a Config file

Couchbase SDK 2.0 Overview


Motivation

From past to present

©2014 Couchbase, Inc. — Proprietary and Confidential 15

Couchbase Server evolved from a cache to a document oriented database.

SDK APIs Programing model in place since the cache era “Memcached-like” Enhanced for views and config management

The 2.0 SDK initiative Provide document oriented APIs to the developer Supporting current and future evolvements (3.0+) Interoperability

Motivation


2.0 GA Availability Java .NET Node.js PHP

Full Document support Interoperability Very similar programming model Embracing language specifics

Current State

The “New” Object Model


The client SDKs are comprised of the following components: Cluster Buckets Documents Queries Operations

The components

The Components


The components: example (C#)


Connecting to a Cluster


Opening a Bucket

Documents

Our first-class citizens


Documents are integral to the SDKs. There are many implementations, depending on the content type. A Document contains:

The Document

Property Description

ID The bucket-unique identifier

Content The value that is stored

Expiry An expiration time

CAS The Compare-And-Swap identifier


The Document: C#


Document implementations are language specific. All support JSON in its different forms. In addition, some support:

Serialized objects Unquoted Strings Binary pass-through Legacy …

Document Implementations


Example Document - Java


Example Document - .NET


Modifying Documents

Method Description

Insert(…) Inserts the document it does not exist

Replace(…) Replaces the document if it exists

Upsert(…) Updates or Inserts the document

Remove(…) Removes the document

Append(…) Append data to the document

Prepend(…) Prepend data to the document

Increment(…) Increments the counter

Decrement(…) Decrements the counter


Insert .NET


Replace Java


Retrieving Documents

Method Description

Get(…) Gets the document

GetFromReplica() If the master is not available

GetAndLock() Loads the document with a write-lock

GetAndTouch() Loads the document and resets the expiry


Get PHP


Get NodeJS


query() is possible for Views N1QL (experimental)

Streams N response rows as they arrive from the server Loads more than one Document based on Criteria Typically used to satisfy secondary and advanced querying use cases

Querying


Sync Querying Java


Querying .NET

New Reactive and Asynchronous API’s


Tough challenges for applications nowadays Hard to overcome with traditional solutions

Modern applications need to React to user load React to failure Be responsive all the time

Decoupled, event-driven architectures are the foundation. Resources need to be utilized as best as possible.

Waiting for IO is bad.


Asynchronous Programming Models are the key… But, which model to chose?

Reactive Programming (RX) Traditional Asynchronous Programming (call backs) Task Parallel Library & Task Asynchrony Pattern Event Loops

The Couchbase approach is to use what idiomatic to the platform!

Reactive and Asynchronous Programming Models

Task-based Asynchronous Patternwith .NET


Takes advantage of the C# language keywords async/await

Uses a single method to represent initiation and completion of an

asynchronous operation

Supports common idioms such as futures, pipelining, composition and

continuations on antecedents

Comes “built-in” with .NET 4.5

What is the Task Asynchronous Pattern?


Currently supported:

Asynchronous Views Asynchronous N1QL queries

Coming soon:

Asynchronous operations on documents Asynchronous Management API

Async/await support in the .NET SDK 2.0


Example: Asynchronous Views


Example: Asynchronous N1QL Queries


Task Parallel Library: Multi Get/Upsert

Reactive with the Java SDK


Connecting Async


Storing a Document


Loading a Document


Querying

Thank you!

http://couchbase.com/developer

Twitter: @jeffrysmorris

Skype: jeffscottmorris

http://blog.couchbase.com/jeff


http://couchbase.com/developer

new server, new clients: taking your couchbase 3.0 apps to the next level

Technology

couchbase sdk

couchbase applications

takingyour couchbase

interoperability2014

installation2014 couchbase

overview2014 couchbase

certificate2014 couchbase

cluster2014 couchbase