When writing a script that is run by Jenkins Groovy Plugin as a build step (Execute System Groovy Script) one can specify 'variable bindings'. The helpline says: Define varibale bingings (in the properties file format). Spefified variables can be addressed from the script. [sic] How do I access those variables from the script? They are not set as environment variables for the build, neither are they present among System properties.
this.getBinding().getVariables()
or simply binding.variables
I wasn't able to use binding.variables directly, I only got listener
, build
, launcher
and out
from binding.variables.
Instead I was able to use build.environment(listener)
to retrieve the environment variables as suggested in the responses to this question:
Access to build environment variables from a groovy script in a Jenkins build step ( Windows)
def config = new HashMap()
config.putAll(binding.variables)
def logger = config['out']
def envvars = new HashMap()
envvars.putAll(build.getEnvironment(listener))
def myvar= envvars['myvar']
This might have been different for me since I am only looking for system-wide environmental variables:
(checked) Prepare an environment for the run \ Keep Jenkins Environment Variables \ Keep Jenkins Build Variables
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