Is there an easy way to programmatically share a variable?

[Константин Ильченко]

Let's say I have this config:

format_version: 9

pipelines:

dummy:

group: Research

label_template: "${git[:8]}"

materials:

git:

git: https://github.com/tommiv/jenkins-dummy-pipeline.git

branch: master

stages:

- build:

fetch_materials: true

jobs:

runner:

tasks:

- exec:

command: "/bin/sh"

arguments:

- "-c"

- "docker build --rm -t local/dummy:$GO_PIPELINE_LABEL ."

- deploy_stage:

jobs:

runner:

tasks:

- exec:

command: "/bin/sh"

arguments:

- "-c"

- "docker run -d -p '9900:3000' local/dummy:$GO_PIPELINE_LABEL"

On build stage I want to read a ./version file in some kind of a shared variable, like $VERSION, and use it instead of $GO_PIPELINE_LABEL on every other stage. Is this possible without creating and fetching artifacts?

[Aravind SV]

On Wed, Feb 26, 2020 at 08:03:52 -0800, Константин Ильченко wrote:
> On *build* stage I want to read a ./version file in some kind of a shared

> variable, like $VERSION, and use it instead of $GO_PIPELINE_LABEL on every
> other stage. Is this possible without creating and fetching artifacts?

I assume you're looking for something more than: "source ./version; docker build --rm -t local/dummy:$GO_PIPELINE_LABEL ." ?

Typically, the only way to share information between stages is to use artifacts. External artifact plugins allow environment variables to be set, which affect other tasks within a job, but a standard artifact is probably the most straightforward way.

Cheers,
Aravind

[Константин Ильченко]

I assume you're looking for something more than: "source ./version; docker build --rm -t local/dummy:$GO_PIPELINE_LABEL ." ?

Yes, the main point is to have a variable which is available on all stages (like a global one I guess), but is set up programmatically from one of stages.

 

Typically, the only way to share information between stages is to use artifacts. External artifact plugins allow environment variables to be set, which affect other tasks within a job, but a standard artifact is probably the most straightforward way. 

Thanks, this is exactly the answer to my question.