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WSO2Con 2015 USA: Introducing Microservices Server

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Microservices architecture (MSA) is a trending topic and many organizations today are leaning towards MSA given its potential advantages. In this session, we will explore some core concepts in MSA and also focus on aspects that are important when building an MSA solution. We will also introduce WSO2 Microservices Server (MSS), which provides the necessary framework and tooling for building an MSA solution; we’ll explain how WSO2 MSS provides the necessary core features for building an MSA as well as compare this product with other leading Java microservices frameworks available.

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WSO2Con 2015 USA: Introducing Microservices Server

  1. 1. Introduc)on  to     WSO2     Microservices  Server   A5ham  Azeez   Director,  Architecture   WSO2  Inc.  
  2. 2. Microservices  Architecture   A  method  of  developing  soAware  applica)ons  as  a   suite  of  independently  deployable,  small,  modular   services  in  which  each  service  runs  a  unique  process   and  communicates  through  a  well-­‐defined,   lightweight  mechanism  to  serve  a  business  goal.  
  3. 3.    Microservices   Source:  hEp://mar)nfowler.com/ar)cles/microservices.html  
  4. 4. The  Scale  Cube   Source:  hEp://microservices.io/ar)cles/scalecube.html  
  5. 5. Inner  &  Outer  Architecture   hEp://blogs.gartner.com/gary-­‐olliffe/2015/01/30/microservices-­‐guts-­‐on-­‐the-­‐outside/  
  6. 6.    Polyglot  Persistence   Source:  hEp://mar)nfowler.com/ar)cles/microservices.html  
  7. 7.    Vision  for  Microservices  Server  (MSS)     •  Lightweight  &  fast  run)me   •  Use  Java  annota)ons  as  a  way  of  defining  microservices  APIs  as  well  as   metrics   •  Support  well  known  &  widely  used  methods  such  as  JAXRS  annota)ons   •  Provide  simple  ways  to  develop  &  deploy  microservices   •  Built-­‐in  Metrics  &  Analy)cs  APIs  with  out  of  the  box  integra)on  with  WSO2   Data  Analy)cs  Server  (DAS)   •  To  be  used  in  the  WSO2  pla]orm  as  a  way  of  replacing  all  admin  services  as   well  as  defining  other  microservices  for  inter-­‐component  interac)ons  
  8. 8.  Microservices  Server  ImplementaGon   •  Based  on  the  new  Carbon  5.0  kernel   •  Transport  is  based  on  NeEy  4.0   •  Supports  streaming   •  Close  to  10x  faster  than  CXF  based  JAXRS  implementa)on  used  in   WSO2  AppServer   •  5MB  pack  size   •  Starts  within  300ms   •  ~25MB  memory  consump)on  for  the  MSS  framework  
  9. 9. Download   •  MSS  1.0.0-­‐alpha  release  is  available  at   hEps://github.com/wso2/product-­‐mss/releases   •  Refer  to  the  gecng  started  guide  in  GitHub   •  A  good  place  to  start  is  the  samples   –  hEps://github.com/wso2/product-­‐mss/tree/v1.0.0-­‐alpha/samples  
  10. 10. Core  Features  in  MSS   •  Quick  &  simple  development  model  using  simple  annota)ons   •  Lightweight  &  high  performance   •  Custom  interceptors     •  JWT  based  security   •  Metrics  gathering  &  publishing   •  Tracing  of  requests  using  a  unique  message  ID   •  Streaming  input  &  streaming  output  support   •  WSO2  DevStudio  based  tooling  for  genera)ng  microservices  projects   star)ng  from  a  Swagger  API  defini)on   •  Comprehensive  samples  demonstra)ng  how  to  develop  microservices   applica)on  
  11. 11.  MSS  –  Flow  &  Thread  Model  
  12. 12.  MSS  -­‐  Performance  Comparison   Throughput  
  13. 13.  MSS  -­‐  Memory  ConsumpGon  Comparison   Memory  Consump1on  (MB)  
  14. 14. Developer  Experience  &     Programming  Model  
  15. 15. Maven  pom.xml  
  16. 16. StockQuote  Microservice  
  17. 17. Main  Class  
  18. 18. Build  it!   mvn  clean  install  
  19. 19. Run  it!   java  –jar  stockquote-­‐*.jar  
  20. 20. Tooling  (Swagger  -­‐>  Code)   Swagger  API   Defini)on   MSS  Code   1 2 3
  21. 21. Request  Streaming  
  22. 22. AnalyGcs  &  Monitoring   •  Supports  annota)ons   – Timed  –  measures  execu)on  )me   – Metered  –  measures  rate  of  events   – Counted  –  Counts  the  total  invoca)ons   – HTTPMonitoring  –  monitors  HTTP  requests  
  23. 23. AnalyGcs  &  Monitoring  
  24. 24. AnalyGcs  &  Monitoring  
  25. 25. Metrics  Output  to  Console  
  26. 26. JMX  Metrics  
  27. 27. AnalyGcs  &  Monitoring  
  28. 28. Security   •  Security  is  done  via  a  central  server  issuing  JWT   tokens     •  The  JWTSecurityInterceptor  verifies    the   signature,  expiry  &  claims  in  the  tokens  
  29. 29. Security  
  30. 30. •  java  -­‐jar  /opt/stockquote-­‐1.0.0.jar   •  Drop  microservice  jar  file  into      MSS_HOME/repository/deployment/server/mss     •  Very  convenient  to  use  Docker  containers  managed  by  Kubernetes   Microservices  RunGme  
  31. 31. Deployment  Op)ons  
  32. 32. *   Docker  Filesystem  
  33. 33. StockQuote  Service  -­‐  Dockefile  
  34. 34. Kubernetes  –  ReplicaGon  Controller  
  35. 35. Kubernetes  -­‐  Service  
  36. 36. Kubernetes  UI  
  37. 37. Pet  Store  Sample  -­‐  admin  
  38. 38. Pet  Store  Sample  -­‐  store  
  39. 39. Pet  Store  Sample   Pet   Transac)on   Redis   Security   File   server   Admin  FE   Store  FE   DAS   Service  calls   Data  Publishing  
  40. 40. Pet  Store  Sample  –  deployment  view   Store   FE  Store   FE   Store   FE   Admin   FE   Kubernetes  Node  1   Kubernetes  Node  2   Security   Security   File  server   File  server   Redis   Sen)nel   Redis   Sen)nel   Redis   Master   Redis   Slave   Pet   Pet   Transac)on   Transac)on   Transac)on   pods   pods   pods   pods   pods   pods   pods   pods   pods   pods   pods   pods   pods   pods   pods   S A S T R P F Kubernetes  Services  
  41. 41. Pricing   •  For  MSS  product  (full  server)  &  MSS  lite  (executable  jar),   pricing  is  same  as  WSO2  AS  based  on  the  number  of  JVMs.   •  For  container  based  deployments,  it  will  be  the  same  as  for   any  container  based  deployment  of  WSO2  products  (to  be   announced)  
  42. 42. Code   • NeEy  based  transport   hEps://github.com/wso2/carbon-­‐transports   • MSS  hEps://github.com/wso2/product-­‐mss              
  43. 43. Recap   •  A  brief  look  at  Microservices  Architecture  (MSA)   •  WSO2  Microservices  Server   –  Development  model  &  programming  model   –  Deployment  model   –  Tooling   –  Comparison  with  other  frameworks  out  there  
  44. 44. Thank  You  

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