Hi,
I think you should not use global variables at all : only global functions.
Trust me : you don't need global variables :)
To use global functions :
# /vars/myGlobFunc.groovy
def call() {
// ....
}
// This way you can call you function directly in "steps" if you are in
declarative pipeline, from anywhere in scripted
// This function has access to other global methods
# Or this way, in /vars/myClass.groovy :
def myGlobFunc.groovy {
// ...
}
return this
// myClass.myGlobFunc()
// This function has also access to other global methods because of this
special class declaration
// But you cannot call this from steps in declarative, you must be inside
script
But if you really want global variables, I would recommand to use a single
object containing what you need and give this object to people who need it,
for example a class or a map :
def myVars = [:]
myVars['myGlobVar'] = 'hello'
pipeline {
// ...
aFunction(myVars)
}
# But if you really really want global, just remove the "def" :
myVars = [:]
myVars['myGlobVar'] = 'hello'
pipeline {
// ...
aFunction() // myVars can be read in this function
}
// But I thihnk this is a bad code
Another way is to use static field of class, but it is also a bad pratice
to use static field if you want them mutable.
You could also just try to use the existing global var "env". This is a
clean solution, but you must only use text values.
env['myGlobVar'] = "hello"
echo env.myGlobVar
Good luck
On Thu, Dec 17, 2020 at 9:45 AM Ven H <venh....@gmail.com> wrote:
> In my case, I do the following. I have a GlobalVars.groovy file with below
> content.
>
> #!/usr/bin/env groovypackage com.<companyName>.<ProductName>;public class
> GlobalVars { static String myVar = ""}
>
> Then in my Shared Library class, I use it like below.
>
> GlobalVars.myVar = ""
>
> Try it like this and check. Here, I have declared the class as Public and the
> variable as static. That's the only difference.
>
>
> Regards,
> Venkatesh
>
>
> On Thu, Dec 17, 2020 at 12:56 PM Adrian Wyssmann <a...@wyssmann.com>
> wrote:
>
>> I see several problem
>>
>> 1. using ' will not expand the parameters is your call should be sh
>> "echo ${CustomMessage}"
>> 2. CustomMessage is declared within the class Vars(), so you cannot
>> access it
>>
>> You could implement a getter an then do something like this "echo
>> ${globalVars.getCustomMessage()}"
>>
>> Maybe others have better ideas...?
>> On Thursday, December 17, 2020 at 12:10:19 AM UTC+1 netwar...@gmail.com
>> wrote:
>>
>>> Hello there
>>> Maybe this is a very basic question, but am not being able to access a
>>> global variable
>>> from a shared library from a Jenkinsfile
>>>
>>> under vars I defined something like this
>>>
>>> globalVars.groovy
>>> class Vars () {
>>>
>>> def CustomMessage = "This is a new deployment"
>>>
>>> }
>>>
>>> from my Jenkinsfile
>>>
>>> library identifier: 'globalVars@master', \
>>> retriever: modernSCM([$class: 'GitSCMSource', \
>>> credentialsId: 'tfsservice', \
>>> remote: 'http://myrepo.com', \
>>> traits: [gitBranchDiscovery()]])
>>>
>>>
>>> pipeline {
>>>
>>> stages {
>>> stage('Do Some Stuff') {
>>> steps {
>>> script {
>>>
>>> sh 'echo ${CustomMessage}'
>>>
>>> }
>>> }
>>> }
>>> }
>>>
>>> }
>>>
>>> But the above returns nothing, what am I doing wrong?
>>> Thanks
>>> Regards
>>>
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