Choice Parameter from Shared LIbrary Step

[Ven H]

Is it possible to populate a Choice parameter values (choices) with values retrieved from a Shared Library Step? Please help.

Regards,
Venkatesh

[Senthil Nathan]

Yes. In below example the choice_list can come from a shared pipeline library.

Eg)

Jenkinsfile:

========

choice_list=["choice1", "choice2", choice3"]

properties([                                                                                                                                                  
            parameters([                                                                                                                                      
              choice(name: 'mychoiceparam', choices:choice_list, description: 'my choices')])

])    

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[Ven H]

Thanks a lot, Senthil. Can it be a Shared Library Step or a Class method only?. It will be great, if you can please help with some examples.

Regards,
Venkatesh

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[Senthil Nathan]

You have to create a list from the return value of the library step. 

I don't know what library step you are using so cannot provide specific example.

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[Ven H]

Let's say I have the following use case. I have 3 choice parameters, namely, Country, State, City. I have shared library steps to GetCountries, then GetStates with country as argument and then GetCities with country and state as arguments. In my pipeline job, I will have 3 Choice parameters, one each for Country, State and City, with a cascading functionality, which is, when I select a Country, the states will be populated accordingly and upon selection of a state, cities will be populated accordingly. 

choice(name: 'Country', description: 'Select Country', choices:'GetCountriesFromSharedLibStep')

choice(name: 'State', description: 'Select State', choices:'GetStatesFromSharedLibStep('${params.Country}')  

choice(name: 'City', description: 'Select City', choices:'GetCitiesFromSharedLibStep('${params.Country}', '${params.State}' )   

Has anyone had this kind of a requirement. If so, how to achieve this? Please help with some examples / code.

Regards,
Venkatesh

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[Ven H]

Can anyone please help?

Regards,
Venkatesh