On Mon, Apr 30, 2018 at 10:09 AM, <[email protected]> wrote:
> Is there a way to modify the value of an environment variable for a single
> step
> or block in Pipeline from a GraphListener?
> The value would have to change for each node.
I do not think so. As of JENKINS-42499, an `EnvironmentContributor`
could change a value dynamically. This is not scoped to a step; it
just means that if and when a step requests access to environment
variables, your plugin will be asked anew for contributions.
> before
> each build in AbstractBuild.getEnvironment().
`Run.getEnvironment` I guess you mean. Pipeline builds are not `AbstractBuild`s.
> I also tried EnvActionImpl.forRun((Run)
> flowNode.getExection().getOwner().getExecutable())
I am not sure what you are trying to accomplish here, but stop. Do not
declare a (`compile`-scoped) dependency on `workflow-cps` at all. You
may use `workflow-step-api` and, if necessary, `workflow-api` as
dependencies.
> Now the issue is to propagate the tracing context from within Jenkins to the
> executed steps. in this case Maven for which a similar plugin was created.
> The probably best way of propagating this information is via environment
> variables.
> Obviously the value of this environment variable will have to change often
> during the course of a single build.
Just define a step which would provide the current tracing context
(whatever that is) as its return value. That will work fine in
Scripted. If you require Declarative compatibility, your best bet is
to define a block-scoped step which would define some environment
variable(s) for its nested steps. That is my best recommendation based
on my very limited grasp of what it is you are trying to do.
> it seems the usage of env vars with a dash ("-") in their keys is
> broken.
> Even when set directly via the Java APIs, they don't show up in the "sh"
> pipeline step.
https://unix.stackexchange.com/a/23714/26736
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