SpringOne Platform 2019 Session Title: Simple Data Movement Patterns: Legacy Application to Cloud-Native Environment and Apache Geode Speaker: James Bedenbaugh, Advisory Data Solutions Architect, Pivotal; Zachary Hansen, Data Transformation Solutions Architect, Pivotal Youtube: https://youtu.be/7ds0YZNlhmE

1. Simple Data Movement Patterns:
Legacy Application to Cloud-
Native Environment and Apache
Geode
October 7–10, 2019
Austin Convention Center

2. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/

3. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
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4. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
GeodeConf i g
object
object
Legacy
T he Cl o u d
Cl o u d Cache
ODS
ACME Co r po r at i o n
Case study: ACME Corp
• Background
• Pain

5. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 5
Roadmap
Considerations
• Constraints and conditions
surrounding migration pathways
• Goals

6. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
• There will be a continued use of legacy
application data by back end systems
• Some applications in cloud use cloud data
• Some applications in cloud use legacy data
• Some applications will use cloud and legacy
• Data will have to move from legacy to cloud
Constraints and conditions
surrounding migration pathways
6

7. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
• Optimally move all operational data to cloud
• Minimally invasive on legacy domain code and
data
• Should be a transition period where data is pushed
to cloud but will be shutoff when all cloud apps can
operate independently - that should be
configurable.
Goals
7

8. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Four Common
Migration Patterns
Business Value versus Technical Value

9. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Point to Point Socket connection
object
object
Legacy
Legacy
Dat abase
T he Cl o u d
Cl o u d
Apps
ODS

10. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Claim Check Pattern
object
object
Legacy
Legacy
Dat abase T he Cl o u d
Cl o u d
Apps
PCC
label

11. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Tightly Coupled Message Bus
object
object
Legacy
Legacy
Dat aba se
T he Cl o u d
Cl o u d
Apps
Message Bu s
ODS

12. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Loosely Coupled Message Bus
object
object
Legacy
Legacy Dat abase
T he Cl o u d
Cl o u d
Apps
So ur ce Message Bu s
Si n k Upd at e API
ODS

13. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
DEMO
Technology Stack for a
Loosely Coupled Message Bus
RabbitMQ
Java
Spring Boot
Pivotal Cloud Cache
Pivotal Platform

14. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
1
4
THE CODE
What you need to wire it all
up

15. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Loosely Coupled Message Bus
GeodeConf i g
object
object
Legacy
Legacy Dat abase
T he Cl o u d
G eo d eCo n f i g
LegacySi m Appl i cat i o n
Upd at er API Appl i cat i o n
PCC

16. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
1
6
@EnableEntityDefinedRegions(basePackages="io.pivotal.s1p.model")
@EnableGemfireRepositories
@EnablePdx
@EnableSecurity
@Configuration
public class GeodeConfig {
}
Geode (PCC)
GeodeConf i g
object
object
Legacy
Legacy Dat abase
T he Cl o u d
G eo d eCo n f i g
LegacySi m Appl i cat i o n
Upd at er API Appl i cat i o n
PCC

17. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
1
7
@EnableBinding(Source.class)
public class FileSourceConfiguration {
@Autowired
Source source;
@InboundChannelAdapter(value = Source.OUTPUT)
public Customer customerFileStreamSingleMessage() {
CustomerParser parser = new CustomerParser();
List<Customer> customers =
parser.buildCustomerList(new FileReader().readCustomers());
return customers;
}
}
RMQ Source
GeodeConf i g
object
object
Legacy
Legacy Dat abase
T he Cl o u d
G eo d eCo n f i g
LegacySi m Appl i cat i o n
Upd at er API Appl i cat i o n
PCC

18. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
1
8
@EnableBinding(Sink.class)
public class UpdaterApiApplication {
@Autowired
UpdateCustomerService updateCustomerService;
@StreamListener(Sink.INPUT)
public void handle(Customer customer) {
updateCustomerService.createCustomer(customer);
}
}
RMQ Sink
GeodeConf i g
object
object
Legacy
Legacy Dat abase
T he Cl o u d
G eo d eCo n f i g
LegacySi m Appl i cat i o n
Upd at er API Appl i cat i o n
PCC

19. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
THE DEMO

20. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
2
0
GeodeConf i g
object
object
Legacy
Legacy Dat abase
T he Cl o u d
G eo d eCo n f i g
LegacySi m Appl i cat i o n
Upd at er API Appl i cat i o n
PCC
c1

21. Stay Connected.
#springone@s1p
jbedenbaugh@pivotal.io
zhansen@pivotal.io

22. Unless otherwise indicated, these slides are © 2013-2019 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
QUESTIONS
AND
DISCUSSION