Multicloud use-case based multihost async provisioner for CIs and testing during development
Project description
mrack
Important: most of the described below is not implemented yet
Provisioning library for CI and local multi-host testing supporting multiple provisioning providers e.g. OpenStack, libvirt, containers, Beaker).
But in comparison to multi-cloud libraries, the aim is to be able to describe host from application perspective. E.g.:
network: IPv4
hosts:
- name: master.testdomain.test
role: master
group: ipaserver
os: fedora-31
- name: client.testdomain.test
role: client
group: ipaclient
os: fedora-30
This is then combined with provisioning configuration where each provider has
defined meaning for role, group, os params which e.g. translates to
flavors, images, ...
provider: openstack # default provider
openstack:
images:
fedora-30: Fedora-Cloud-Base-30-compose-latest
fedora-31: Fedora-Cloud-Base-31
flavors:
ipaserver: ci.m1.medium
ipaclient: ci.m1.micro
networks:
IPv4: net_ci_4
IPv6: net_ipv6_only
dual: net_cci_4_6
keypair: ipa_key
beaker:
distros:
fedora-30: FEDORA-30%
fodora-31: FEDORA-31%
So then user can quickly change provisioning location just by changing provider name without needing to redefine the provider/cloud specifics. This is especially useful for a lot of jobs sharing the same app specific provisioner configuration.
provider: beaker
Or each host can use a different provider:
hosts:
- name: master.testdomain.test
role: master
group: ipaserver
os: fedora-31
provider: openstack
network: dual
- name: client.testdomain.test
role: client
group: ipaclient
os: fedora-30
provider: beaker
The output is then Ansible inventory with correct group mapping and information which allows to SSH to the machines.
TODO: example
Installation
pip install mrack
Run
Atm there is no CLI and it is implemented as Python library
import mrack
# TODO
Contribute
Projects is using black formater to keep consistent formatting, flake8 and pydocstyle to ensure following Python good practices.
Contributions (Pull Requests) are welcome. It is expected that they will pass tox tests and include unit tests for new code.
Black formatting
Expected formatting can be achived by running:
$ make format
Look into black documentation for possible integration in editors/IDEs.
Testing
Just run tox to execute all tests and linters
$ tox
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