I haven't seen anywhere guidance on how to access environment variables
such as BUILD_NUMBER from a flow.groovy workflow definition script? I tried
Timur's
solution
<https://groups.google.com/forum/#!searchin/jenkinsci-users/workflow$20environment$20variable/jenkinsci-users/OvEqfy6RJBI/xpsFHTc0OsUJ>
by
passing in $BUILD_NUMBER as the build parameter but then it was interpreted
as a string instead of pulling the build number from the shell environment.
My goal is to tag a Docker image with the build number for reproducibility and
auditability reasons. I am using a workflow definition to store my JAR binary
into a Docker container which then gets deployed to a Docker Host for testing
and production use.
Is there currently any way pull the build number from the environment into
a workflow definition script?
I tried running a shell command to echo the $BUILD_NUMBER to see if I might
be able to echo it and then store it in a variable in my Groovy script.
That didn't work and it gave me the a MissingPropertyException:
groovy.lang.MissingPropertyException: No such property: BUILD_NUMBER for class:
groovy.lang.Binding
at groovy.lang.Binding.getVariable(Binding.java:62)
at
org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onGetProperty(SandboxInterceptor.java:139)
Maybe there is something I am limited to by the fact I am in a Groovy sandbox.
This would be a nice feature if we could get it working.
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