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(s)hell oriented (p)ipe(line) tool for ci/cd

Project description

Latest Version Python Versions Format License License


Implementing coded pipelines with Jenkins you have to deal with Groovy, Jenkinsfile and a so called DSL which allows you interfacing with Jenkins and its plugins. However the whole setup is usually designed to run somewhere remote fetching a revision of your code and running the pipeline on it. Creating or extending such a pipeline locally running on your current code is - finally - not comfortable: that setup forces you a lot to split into Groovy and Bash scripts that allow you to run things locally which increases complexity even more.

Also you are not flexible in terms of environments. You cannot run same pipeline in Travis CI (and such tools).

Spline is a way to get out of this: You can run the whole pipeline via command line on your machine. Also you can run matrix builds and you can filter for certain tasks of your interest. The pipeline for the spline tool itself supporting a lot Python version can be defined in one file with roughly 170 lines of yaml code only. Integration into Jenkinsfile and/or Travis CI isn’t that hard anymore.


Installation can be simply done with (optional with –upgrade for updating the installed version):

pip install spline

You require a pipeline definition file (Yaml). As an example feel free to do following:

sudo pip install spline
git clone
cd pipeline
pipeline --definition=pipeline.yaml --matrix-tags=py36

When the file in your project is pipeline.yaml`you als can leave out the `–definition parameter.

If you leave out the matrix tag filter then spline will run all python version as defined in the matrix (see badges too).


  • automatic schema validation for yaml file
  • matrix based pipeline
  • pipeline stages (named groups)
  • shell script execution: inline and file
  • environment variables merged across each level: matrix, pipeline, stage, and tasks
  • support for model data (a dictionary of anything you need)
  • cleanup hook
  • filtered execution via tags (matrix and/or tasks)
  • supporting Jinja templating in scripts (also nested inside model)
  • support for Docker containers and Docker images
  • support for the Packer tool
  • execution time on each level: pipeline, stage, tasks and shell (event logging)
  • usable by Jenkinsfile as well as by a .travis.yml (or other pipelines).
  • dry run and debug support
  • support for Python scripts
  • support for task variables
  • support for conditional tasks
  • enabled for code reuse: !include statement


For further details about what you can do please read the documentation. You have two options:

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