Managing modular software for your nu get, c++ and java development
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Binary repository is one of the cornerstones of building modular software. In this session we will demonstrate how it can be used to support modular development in Java, C++ and the .NET platform (using NuGet). Next, we will show how to take the binary repository one step forward to support Continuous Deployment and Release Management by using build integration features which allow full traceability and automation of staging and release procedures.
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Managing modular software for your nu get, c++ and java development
- 1. Managing Modular Software for your NuGet, C++ and Java Development
- 2. Agenda • Modular software – why? • Building modular software… • … in Java • … in C++ • … in .NET
- 5. Module Modular programming (also called "top-down design" and "stepwise refinement") is a software design technique that emphasizes separating the functionality of a program into independent, interchangeable modules, such that each contains everything necessary to execute only one aspect of the desired functionality.
- 6. TL;DR
- 7. Module
- 9. Unit of code
- 10. Encapsulated
- 11. Encapsulated
- 12. Discrete
- 13. Discrete
- 14. Discrete
- 15. Reusable
- 16. Exposed via APIs
- 17. Packages
- 19. Modules or Packages? Technology Package Module
- 20. Modules or Packages? Technology Package Module Java package keyword semantics *.jar files, OSGi bundles
- 21. Modules or Packages? Technology Package Module Java package keyword semantics *.jar files, OSGi bundles C++ namespace keyword semantics *.dll files, *.so files
- 22. Modules or Packages? Technology Package Module Java package keyword semantics *.jar files, OSGi bundles C++ namespace keyword semantics *.dll files, *.so files C# namespace keyword semantics *.dll files, NuGet packages
- 23. Modular Software – why?
- 24. Discrete Units Are Smaller
- 27. Code Sharing
- 28. Forcing API
- 30. HOW STUFF PLAYS WITH MODULES
- 33. Recipe 1. Take sources – OK
- 34. Recipe 1. Take sources – OK 2. Bring dependencies
- 35. Recipe 1. Take sources – OK 2. Bring dependencies – where from?
- 36. Recipe 1. Take sources – OK 2. Bring dependencies – where from? 3. Build binaries
- 37. Recipe 1. Take sources – OK 2. Bring dependencies – where from? 3. Build binaries – OK
- 38. Recipe 1. Take sources – OK 2. Bring dependencies – where from? 3. Build binaries – OK 4. …
- 39. Recipe 1. Take sources – OK 2. Bring dependencies – where from? 3. Build binaries – OK 4. … - now what?
- 40. CI Servers and Modules
- 41. CI servers run build tools.
- 42. CI servers run build tools.
- 43. We can do better!
- 44. Cascading Builds
- 46. Wait, while on the CI Servers…
- 48. What is Binary Repository
- 49. Said who?
- 51. Binary Repository as Modules Source
- 52. Binary Repository as Modules Source
- 53. Binary Repository as Modules Source
- 54. Binary Repository as Deployment Target
- 55. Binary Repository as Deployment Target
- 56. Wait a Minute, What’s Wrong With My Source Control System?!
- 58. Sources vs. Binaries Sources Binaries
- 59. Sources vs. Binaries Sources Binaries Text Blob
- 60. Sources vs. Binaries Sources Binaries Text Blob Diffable Not diffable
- 61. Sources vs. Binaries Sources Binaries Text Blob Diffable Not diffable Versioned by content Versioned by name
- 62. Sources vs. Binaries Sources Binaries Text Blob Diffable Not diffable Versioned by content Versioned by name Stored by override Should never override
- 72. Git is a Distributed System
- 73. R U SURE U WANT 2 CLONE IT ALL?
- 74. OK Then, But What’s Wrong With My File Server?!
- 75. It’s Fine if it knows how to:
- 76. It’s Fine if it knows how to:
- 77. It’s Fine if it knows how to:
- 78. It’s Fine if it knows how to:
- 79. It’s Fine if it knows how to:
- 80. It’s Fine if it knows how to:
- 81. It’s Fine if it knows how to:
- 82. It’s Fine if it knows how to:
- 83. BTW, How Many Years It Took?
- 85. CI Server is the Single Source of Truth
- 86. Binary Repository is The Single Target of Truth
- 87. Save the Truth!
- 88. Make Strange Binary Love
- 97. Perfect…
- 98. You Liked it, didn’t you?
- 100. Lock-in?
- 101. Technology Specific?
- 102. Features to Look For Not only Maven Not only Java Broad CI tools matrix Build tools CI Servers Extensive REST support Easy to extend
- 103. MODULES IN… JAVA
- 104. Java package
- 105. Fragmentation
- 106. The options are: • OSGi • Jigsaw • Build systems managed – Maven, Gradle, Ivy
- 114. Project Jigsaw First promise: Java 7 (2008) Current promise: Java 9 (2015)
- 115. Project Jigsaw First promise: Java 7 (2008) Current promise: Java 9 (2015)
- 116. Back to plain old
- 117. Modular Build in Java
- 118. Modular Build in Java
- 119. Modular Build in Java
- 120. Modular Build in Java
- 121. Modular Build in Java
- 122. Modular Build in Java
- 123. Modular Build in Java
- 124. Modular Build in Java
- 125. Modular Build in Java
- 126. Modular Build in Java
- 127. MODULES IN… C++
- 132. Module Binaries Library OS File type Static Win *.lib *nix *.a Dynamic Win *.dll *nix *.so
- 135. Make?
- 136. Make?
- 137. Make?
- 138. CMake?
- 139. Java-Like (and Java) tools?
- 140. Groovy tool!
- 141. Modular Build in C++
- 142. Modular Build in C++
- 143. Modular Build in C++
- 144. Modular Build in C++
- 145. Modular Build in C++
- 146. Modular Build in C++
- 147. MODULES IN… .NET
- 148. From C++ to C# Library OS File type Static Win *.lib *nix *.a Dynamic Win *.dll *nix *.so
- 149. From C++ to C# Library Win File type Static Win *.lib Dynamic Win *.dll
- 150. Library Win File type Static Win *.lib Dynamic Win *.dll But is it the Only Change?
- 151. , Baby!
- 152. Modular Build in .NET
- 153. Modular Build in .NET +
- 154. Modular Build in .NET +
- 155. Modular Build in .NET +
- 156. DEMO TIME!
- 157. The Common Factor +
Notas del editor
- Definition for wikipedia, don’t read it
- Scary? We won’t read it.
- Module is a black box
- Used smart term!
- This is also smart term.
- A very smart term
- Modules force API. That’s good thing.
- Various modules and packages standards
- Confused?
- Why it is important to develop in modular way?
- Working with smaller modules is good - faster
- Module boundaries is a good place for applying securty
- Different locations, time zones, internet latency etc.
- Modules must have well define APIs
- Module become dependency when it is needed in another build
- Let’s see what it takes to build a software
- We need to take the sources
- Ok, here are our sources, we just wrote them
- Next, we need to find the dependencies for those sources
- Where from? (answer later)
- Next, we build (compile, test, etc.)
- Ok, that’s what build tool does
- But next?
- What we should do with the built binaries? (answer later)
- Now let’s see how CI servers play with modules
- Simple. CI servers just run the build tools we dicussed earlier.
- But is it all? No, CI servers can do much more
- For example, cascading builds – building different modules can trigger the build of defendant modules
- Another example – per module results
- Explain what is single source of truth
- We are the experts
- Remember the question where the dependencies come form?
- Who guessed?
- Hint in the title – from binary repository
- Remember the question what to do with the built binaries?
- You guessed it again – deploy to binary repository
- TODO why not VCS
- TODO why not VCS
- But binary repository is much more than dependencies source and deployment target!
- While CI server is the single SOURCE of truth,
- Binary repository is the single TARGET of truth
- Truth should be saved…with the binaries… in binaries storage!
- Bill of MaterialsJSONREST accessibleAPI accessibleAPLv2 on GitHub
- TODO add image
- This isn’t how tools should behave, beware of those which do.
- Why it is not good as module
- Fragmentation