2017 sitNL Cloud Foundry Masterclass

EXTERNAL
SAP Cloud Platform: Advanced
Programming Techniques Using Cloud Foundry

2EXTERNAL© 2017 SAP SE or an SAP affiliate company. All rights reserved. ǀ
The information in this presentation is confidential and proprietary to SAP and may not be disclosed without the permission of SAP.
Except for your obligation to protect confidential information, this presentation is not subject to your license agreement or any other service
or subscription agreement with SAP. SAP has no obligation to pursue any course of business outlined in this presentation or any related
document, or to develop or release any functionality mentioned therein.
This presentation, or any related document and SAP's strategy and possible future developments, products and or platforms directions and
functionality are all subject to change and may be changed by SAP at any time for any reason without notice. The information in this
presentation is not a commitment, promise or legal obligation to deliver any material, code or functionality. This presentation is provided
without a warranty of any kind, either express or implied, including but not limited to, the implied warranties of merchantability, fitness for a
particular purpose, or non-infringement. This presentation is for informational purposes and may not be incorporated into a contract. SAP
assumes no responsibility for errors or omissions in this presentation, except if such damages were caused by SAP’s intentional or gross
negligence.
All forward-looking statements are subject to various risks and uncertainties that could cause actual results to differ materially from
expectations. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of their dates,
and they should not be relied upon in making purchasing decisions.
Disclaimer

Set the Stage
§ What is Cloud Foundry?
§ SAP Cloud Platform and Cloud Foundry environment overview
Exercise Overview
§ Steps & Components
Deep Dive
§ Application Autoscaler
§ Update & Multi-target application
§ Security
§ Connectivity
Agenda

What is Cloud Foundry?

ü You can select which environment to
administer – Cloud Foundry or Neo
ü For each environment there is a list of
available regions
User Home
Screenshot from cockpit

Cloud Foundry Environment
Overview
CF CLI cockpit
Load Balancer + RouterUAA
Cloud Controller
Cloud Foundry
SAP CP
Blob Store
Diego Cells
LogAggregator
Elastic
Stack
Service Broker
buildpacks
Health
Management
…
HANA
Other
services
1) BETA 2) planned innovations / future direction
2
MongoDBPostgreSQLRedis RabbitMQ
1
Environment

Selected subaccount in Cloud Foundry Environment
Screenshot from cockpit
Region SubaccountGlobal Account

Domain Model
Current Scope
Global Account*
Region
Neo Environment Cloud Foundry Environment
1
User Account
n
Home
Subaccount Subaccount
Organization
Space
Cloud Foundry
application
Subscription
Neo application
n
n n
n
n
n
n
1
*Global Accounts can be two types – trial and enterprise
Subscription
n

Understanding SAP Cloud Platform Subaccounts
Each subaccount holds:
§ Resources that can be consumed by apps
§ Users allowed to work in the subaccount
§ Apps deployed and running in the subaccount
§ Data written by apps running in the subaccount
§ Configuration for apps running in the subaccount
Each subaccount is assigned to a Global account
and resides in a Region.
Apps can be subscribed from other subaccounts
Subaccount
Users
Data
Configuration
Apps
Resources
Global account
Region

1. Setup the environment
2. Clone the sample application
3. Push to SAP Cloud Platform
4. Scale
5. Update & Multi-target application
6. Security
7. Connectivity
Exercise Steps

Connectivity
• Product List application
• PostgreSQL
• Application Autoscaler
• Multi-target Applications
• Security using XSUAA
• Connectivity
Sample Application
Components Overview
Autoscaler
AppRouter
PostgreSQL
Product List
app
PostgreSQL
Micro-
services
Service
instances
Platform
& Business
Services
User
Environment
XSUAA
App Autoscaler Connectivity XSUAA

Let’s get started…
https://github.com/SAP/cloud-cf-product-list-sample à Advanced Hands-on

Application Autoscaler is a service designed to automatically scale up or scale down applications
based on user-defined policies to meet changing demand.
SAP Cloud Platform Application Autoscaler service
§ Define scaling policies with upper and lower
thresholds that dynamically adjusts the number of
instances
§ Scaling can be based on metrics or scheduled
§ Supported metrics: memory consumption,
response time, CPU, throughput
App Autoscaler

Application Update
Blue Green deployment explained (1/2)
blue green
router
Release 1 Release 2
As you prepare a new release of your software
you do final stage of testing in the green
environment
blue green
router
Release 1
At any time only one production
environment, let’s say blue, is live

Application Update
Blue Green deployment explained (2/2)
blue green
router
Release 3 Release 2
The blue env is now available for you to
deploy your next release
blue
router
Release 1
Once the software is working in the green environment,
you switch the router so that all incoming requests go
there
green
Release 2

Multi-Target Applications
Enable you to overcome lifecycle management challenges
1
2
SAP Cloud Platform
Administrator
Various target
runtimes
Deploy
Developers
module
module
module
SAP Web IDE
modulemodule
Develop & Build
Archive
3
When you develop a complex business application:
Ÿ Composed of multiple software pieces (“modules”)
Ÿ Written in different languages or paradigms
Ÿ Using different tools, IDEs and technologies
MTAs help you to:
Ÿ Have a common lifecycle across all modules and
configuration
Ÿ Maintain versions for the different modules
Ÿ Manage dependencies
S4H202

• Securing the Product List application
• OAuth, Tokens and Scopes, XSUAA and how it supports OAuth
• Configure: OAuth 2.o Client Credentials Grant, OAuth 2.o Authorization Code Grant, Trust
Security

Connectivity
Using Cloud Connector
Secure Tunnel
Application
Front End
UserOn-Premise
SAP Systems
I N T E R N E TC O R P O R A T E N E T W O R K
Cloud
Connector
SAP
Cloud Platform

Connectivity
How does it work?
User
App router
XSUAA
Application
Connectivity
Secure Tunnel
SAP Cloud Platform
1568
I N T E R N E T

Connectivity
Steps to connect
Test App
Create services
instances
Deploy App
SAP Cloud Platform cockpit
Cloud Foundry Command Line Interface
Install
Cloud Connector
Steps
on-premise
Steps in the
cloud
Cloud Connector
Grant
System
Access
Create
App
Eclipse
SAP CP cockpit
CF CLI

Let’s get started…
https://github.com/SAP/cloud-cf-product-list-sample à Advanced Hands-on

Access replays of
§ Keynotes
§ SAP TechEd live interviews
§ Select lecture sessions
http://sapteched.com/online
Continue your SAP TechEd discussion after the
event within the SAP TechEd Community!
§ Read and reply to blogposts
§ Ask your questions
§ Join conversations
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See all SAP TechEd Blogposts
SAP TechEd Online / Community

Further information
Related SAP TechEd sessions
CPL128 - Develop and Operate Cloud-Native Applications with SAP Cloud Platform
CPL626 - Build and Run a Cloud-Native App with Cloud Foundry on SAP Cloud Platform
CPL628 - Getting Started with Cloud Foundry on SAP Cloud Platform
CPL169 - SAP Cloud Platform: Flying Start to Cloud-Native Development and Operations
S4H202 - Lifecycle Management of Applications Built on SAP Cloud Platform
SAP Public Web
www.sap.com
Learn more about SAP Cloud Platform: https://cloudplatform.sap.com
Benefit from a free developer account: https://www.sap.com/developer/topics/cloud-platform.html
Follow the blogs and join discussions: http://scn.sap.com/community/developer-center/cloud-platform
Explore free sample code: http://sap.github.io
SAP Education and Certification Opportunities
www.sap.com/education
In depth courses for SAP Cloud Platform available online and free of charge: https://open.sap.com/courses?topic=SAP Cloud Platform
Watch SAP TechEd Online
www.sapteched.com/online

Thanks for attending this session.
Ted Castelijns
Ted.Castelijns@expertum.net
@tcasteli
Contact information:
Fred Verheul
Fred.Verheul@soapeople.com
@fredverheul

No part of this publication may be reproduced or transmitted in any form or for any purpose without the express permission of SAP SE or an SAP affiliate company.
The information contained herein may be changed without prior notice. Some software products marketed by SAP SE and its distributors contain proprietary software components
of other software vendors. National product specifications may vary.
These materials are provided by SAP SE or an SAP affiliate company for informational purposes only, without representation or warranty of any kind, and SAP or its affiliated
companies shall not be liable for errors or omissions with respect to the materials. The only warranties for SAP or SAP affiliate company products and services are those that are
set forth in the express warranty statements accompanying such products and services, if any. Nothing herein should be construed as constituting an additional warranty.
In particular, SAP SE or its affiliated companies have no obligation to pursue any course of business outlined in this document or any related presentation, or to develop or release
any functionality mentioned therein. This document, or any related presentation, and SAP SE’s or its affiliated companies’ strategy and possible future developments, products,
and/or platform directions and functionality are all subject to change and may be changed by SAP SE or its affiliated companies at any time for any reason without notice. The
information in this document is not a commitment, promise, or legal obligation to deliver any material, code, or functionality. All forward-looking statements are subject to various
risks and uncertainties that could cause actual results to differ materially from expectations. Readers are cautioned not to place undue reliance on these forward-looking statements,
and they should not be relied upon in making purchasing decisions.
SAP and other SAP products and services mentioned herein as well as their respective logos are trademarks or registered trademarks of SAP SE (or an SAP affiliate company)
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See http://global.sap.com/corporate-en/legal/copyright/index.epx for additional trademark information and notices.
© 2017 SAP SE or an SAP affiliate company. All rights reserved.

2017 sitNL Cloud Foundry Masterclass

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