Anticorrupting the Enterprise - Serverlessconf NYC 2017
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1) The document discusses two case studies of using serverless functions to integrate with legacy systems. 2) The first case study describes using a serverless SMTP to REST adapter to extract metadata from emails and post it to a CRM via REST. 3) The second case study aims to unify interfaces to different legacy back-end systems for consistency by using a serverless anticorruption layer and customer data stream.
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Anticorrupting the Enterprise - Serverlessconf NYC 2017
- 1. Anticorrupting the Enterprise or How I Learned to Stop Worrying and Love the Serverless Steven Ringo Yun Zhi Lin
- 3. About amaysim We make things amazingly simple Mobile plans and devices Broadband internet Electricity and gas
- 6. We use Serverless In Anger
- 7. We use Serverless In Anger In Production
- 8. Can it be done Serverless? Go for it Serverless first Rethink yes no
- 9. Enrich transactional communications to customers from legacy systems Case study 1
- 10. no visibility into customer behaviour customer SMTP email business Original ? system
- 12. CRM customer SMTP != HTTP SMTP email sms push REST HTTP business rich insights Impedance mismatch legacy system
- 13. Old / outdated, but still in use Developer 404 not found Not the new hotness Antique hardware No unit tests Don’t touch Cloud alien SOAP ESB FTP What is legacy?
- 14. Hard to maintain, improve, and expand Hard to integrate Hard to find developers High maintenance costs No documentation No security patches Impact of legacy
- 16. Enter the anticorruption force Translate a “corrupt” legacy interface to an “honest” one applicable to your environment.
- 17. CRM customer email sms push REST HTTP business rich insights SMTP Serverless SMTP to REST adapter legacy system
- 18. 1. Embed metadata in email body <html> <body> <div>Nothing to see here</div> <div class="metadata" style="display: none !important;"> <!-- template_id: foo variation: bar reference: 38128323 first_name: Steven last_name: Ringo inception_date: unknown --> </div> </body> </html>
- 19. <html> <body> <div>Nothing to see here</div> <div class="metadata" style="display: none !important;"> <!-- template_id: foo variation: bar reference: 38128323 first_name: Steven last_name: Ringo inception_date: unknown --> </div> </body> </html> POST https://my.crm.com/journey/new { "template_id": "foo", "variation": "bar", "reference": 38128323, "first_name": "Steven", "last_name": "Ringo", "inception_date": "unknown" } 2. Send through the adapter
- 20. SES CRM gateway Future gateway Other API Mail parser Raw email SNS Parameterised metadata SaaS CRM RESTful API Legacy Services SMTP Implementation
- 21. Case study 2
- 22. Unify interfaces to legacy back-end systems for consistency and reusability Case study 2
- 23. Different protocols Different formats Bespoke integrations XML Different logins Mobile Number Internet Email Energy ID Store ID CSV CDATA JSON SOAP Webhooks FTP REST Legacy Customer
- 24. Different protocols Different formats Bespoke integrations XML Different logins Mobile Number Internet Email Energy ID Store ID CSV CDATA JSON SOAP Webhooks FTP REST Legacy corruption zone! Customer
- 25. Product platform gateways Events Format Customer creation and updates Legacy Anticorruption zone Customer Unified Domain Model Single Customer View Customer service details Login Gateway A Gateway B Gateway C Gateway D
- 26. Product platform gateways Events Format Customer creation and updates Legacy Anticorruption zone Customer Unified Domain Model Single Customer View Customer service details Login Gateway A Gateway B Gateway C Gateway D
- 27. Product platform gateways Events Format Customer creation and updates Legacy Anticorruption zone Customer Unified Domain Model Single Customer View Customer service details Login Gateway A Gateway B Gateway C Gateway D Asynchronous, ordered writes
- 28. Product platform gateways Events Format Customer creation and updates Legacy Anticorruption zone Customer Unified Domain Model Single Customer View Customer service details Login Customer Data Stream Gateway A Gateway B Gateway C Gateway D Asynchronous, ordered writes
- 29. Product platform gateways Events Format Customer creation and updates Legacy Anticorruption zone Customer Unified Domain Model Single Customer View Customer service details Login Customer Data Stream Internal APIs Gateway A Gateway B Gateway C Gateway D Asynchronous, ordered writes
- 30. Product platform gateways Events Format Customer creation and updates Legacy Anticorruption zone Customer Unified Domain Model Single Customer View Customer service details Login Customer Data Stream Internal APIs Gateway A Gateway B Gateway C Gateway D Asynchronous, ordered writes Synchronous reads
- 31. Shameless plug! :-) Python-based shim forfast cold starts Uses idiomatic Go Powerful goroutines Easydependencymanagement github.com/yunspace/serverless-golang Serverless Go Sauce