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Groovy Libraries allow custom Groovy functions and helpers to be shared and reused across all Groovy scripts in FlexDeploy

Creating a Library

Libraries can be viewed and created by navigating to the Administration->Groovy Libraries page. Next click the Create Library 1️⃣ button.

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You will be prompted to provide a unique identifier for the library, called the Library Key 2️⃣.

Upon saving the form 3️⃣ you will be presented with a blank editor where one or more functions can be defined for your library.

Writing Functions

A function can be any common logic you would like to share across scripts. Lets take a very simple example and say we want to make a function that returns the FlexDeploy REST API URL.

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// define any number of helper functions for this library

String getFlexDeployAPIUrl()
{
  def baseURL = FLEXDEPLOY.getFlexDeployBaseUrl()
  return "${baseURL}/flexdeploy/rest/v2"
}

Notice the use of the FLEXDEPLOY helper library as well. EMAIL, FLEXDEPLOY, REST, TOPOLOGY, and LOG helpers are all available for use in your custom library.

Testing Functions

Libraries can be tested at any point right from the editor by clicking the Try It button in the header.

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Here you can write a sample script to test one or more functions in your library. Note that code suggestions for your library will not be shown in the try it window. With your test script ready simply hit the Run button or use the default shortcut of ctrl+shift+h to the test the function. In the screen shot we can see the result as http://localhost:8000/flexdeploy/rest/v2

Annotating Functions

By default when accessing library functions from other scripts they will have very basic information as seen below:

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Its often beneficial to provide more information such as a description of the method and/or describing any parameters for your method. Both can be accomplished by using the SuggestionMethodMeta annotation.

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Now we can see our function description when using it from other scripts:

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SuggestionMethodMeta API

import flexagon.fd.model2.suggestions.SuggestionMethodMeta;

@SuggestionMethodMeta(
  description = "Surely this function is overkill right?",
  params = ["first - The first param", "second - The second param"],
  deprecated = true,
  depAlternate = "multiply2"
)
Long multiply(Long first, Long second)
{
  return first * second;
}

Long multiply2(Long first, Long second)
{
  return first * second;
}

Rename/Delete a Library

To rename a library simply click the edit pencil icon next to the Library Key.

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To delete a library simply click the Delete button next to the edit button. Similar to renaming the library - deleting a library that is in use will break any Groovy script using the deleted library.

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