Using the Groovy Method (Jenkinsfile Pipeline)

Question

def veriableset(){ def a = "test1" def b = "test2" def c = "test3" } def echomethod(){ echo a } node{ stage('test'){ veriableset(); echomethod(); } }

I want to call the variable I defined in the method in another method.

I get the following error.

[Pipeline] { [Pipeline] stage [Pipeline] { (test) [Pipeline] } [Pipeline] // stage [Pipeline] } [Pipeline] // node [Pipeline] End of Pipeline groovy.lang.MissingPropertyException: No such property: a for class: groovy.lang.Binding at groovy.lang.Binding.getVariable(Binding.java:63) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onGetProperty(SandboxInterceptor.java:270) at org.kohsuke.groovy.sandbox.impl.Checker$6.call(Checker.java:291) at org.kohsuke.groovy.sandbox.impl.Checker.checkedGetProperty(Checker.java:295) at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.getProperty(SandboxInvoker.java:29) at com.cloudbees.groovy.cps.impl.PropertyAccessBlock.rawGet(PropertyAccessBlock.java:20) at WorkflowScript.echomethod(WorkflowScript:7) at WorkflowScript.run(WorkflowScript:12) at ___cps.transform___(Native Method)

What method should I use? Can you help me?

remove def in front of variable declaration: def a = 'test1' --> a = 'test1' — daggett
– daggett, Commented May 22, 2020 at 23:10
as @daggett said, def makes a variable available only in the scope of that method. You can make it a function instead by returning a value and calling it inside the other method. — TudorIftimie
– TudorIftimie, Commented May 25, 2020 at 8:34

Sam · Accepted Answer · 2020-05-24 14:23:59Z

I suggest reading up on variable scoping: https://code-maven.com/groovy-variable-scope

The comment to remove def, technically would be fine but beware using global vars everywhere.

Instead you could look at veriableset() returning the variables and passing them into echomethod.

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