use Git to record and deploy changes to your DevOps infrastructure
Unfurl is a tool that works with Git to record and deploy changes to your DevOps infrastructure. It tracks configuration changes, keeping a history of exactly how you did it and what the results are, so you can easily repair or recreate what you did later.
Unfurl integrates with the deployment tools you are already using, like Ansible, Terraform and Helm, organizing their usage into Ensembles, shareable abstractions that ease migrations to new environments as well as share and reuse your work.
- Next-level GitOps: both configuration and operational status stored in git
- Configuration tool agnostic with built-in support for Ansible and Terraform
- Secrets: key manager integration; keeps secrets out of git so repos can be safely made public
- No server, no agent: simple, stand-alone CLI that can be used both as development tool on client or for automated production deployment on a server
- Dependency management: Easily track dependencies and changes across infrastructure layers and boundaries.
- Zero installation: Uses client-side container support to bootstrap and automate installation requirements.
- Hermetic: tracks exact version of environment and deployment artifacts
- Reproducible: hermetic builds + git + locked-down, immutable infrastructure = reproducibility
- Incremental: only applies necessary changes
- Fast: the above three combined enable lightening-fast updates
- Specifications, instance status, and change history authored and recorded in a simple YAML vocabulary.
- Or use TOSCA's (Topology and Orchestration Specification for Cloud Applications) YAML vocabulary for more carefully typed specifications.
- Editor friendly config files:
- Comments, order, and whitespace are preserved.
- Syntactic macros for YAML provide generic facility for re-use and avoiding verbose, boiler-plate
- Path-based query DSL to express dynamic relationships between resources and configurations
- Ansible-compatible Jinja2 templates
- Records history of changes and commits them to a Git repository.
- API for dynamic configuration allows scripted specifications to be recorded alongside declarative ones.
unfurl is available on PyPI. You can install using
pip install unfurl
unfurl creates a virtual Python environment to run in so it only installs the minimal requirements needed to run the command line. If you want to run it using your system Python install it with the "full" option:
pip install unfurl[full]
Linux or MacOs
Python (2.7, 3.7, 3.8, or 3.9); git
Python 3.6 is not tested automatically but should work. However you should make sure you have the latest version of pip installed (
pip install -U pip) and may need to have Rust installed for the crytography library.
To build documentation: Run
tox -e docs.
To build a distribution package run:
python setup.py sdist bdist_wheel
You can now install this package with pip, for example:
pip install ./dist/unfurl-0.2.2.dev3-py2.py3-none-any.whl
Running unit tests
You can use
tox to run the unit tests inside the supported python environments with the latest source installed.
pip install tox and then run
tox in source root. To install the dependencies you may need header files installed by the following OS packages:
openssl-dev. (Note: if installation of a dependency fails, reinvoke
-r to recreate the test environment.)
If you use
asdf to manage multiple versions of Python, also install
pip install tox-asdf.
-- are passed to the test runner, e.g. to run an individual test:
tox -- -p test_runtime.py.
Check out the rest of Unfurl's documentation here
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