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35 lines
1.3 KiB
Markdown
35 lines
1.3 KiB
Markdown
# Information for developers
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## Create a provs jar-file
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* Clone this repo
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* Build the jar-file by `./gradlew uberjarDesktop`
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* In folder build/libs you'll find the file `provs-desktop.jar`
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This uberjar is a Java jar-file including all required dependencies.
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## Task
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```kotlin
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fun Prov.provisionK8s() = task { /* ... code and subtasks come here ... */ }
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```
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If you're having a deeper look into the provs code, you'll see regularly a task definition like this and might wonder ...
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### What is a task ?
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A task is the **basic execution unit** in provs. When executed, each task produces exactly one result (line) with either success or failure.
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The success or failure is computed automatically in the following way:
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* a **task** fails if it calls subtasks and if at least one subtask has failed
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* a **taskWithResult** works the same except that it requires an additional result to be returned which is also included in the success calculation
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* a task defined with **optional** (i.e. `= optional { /* ... */ }` always returns success (even if there are failing subtasks)
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* **requireLast** defines a task which must provide an explicit result and solely this result counts for success calculation
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## Call hierarchy
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Find below an example of a sequence diagram when provisioning a desktop workplace:
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