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0k-charms

This package provides charms, which are special system recipes, that are meant to be executable and mangled together to allow managing a wide set of services.

Inspired by juju charms, these are mostly bash scripts organized by service and meant to automate all administration tasks, from installation, to connection with other services, or any other task a service would need.

Several tools are able to read the current state of this repository to effectively deploy full production grade services on different type of platform.

The only real fully functional implementation is 0k-compose. It will use these charms to drive, prepare, and build in docker, complete sets of services.

Another old solution called lxc-deploy was used actively before to deploy services on LXC tool set until 2016 using these charms.

Bare hosts can also replay some recipes to install services directly on them via the 0k-charm project using the charm apply command. Note that actually, as most recipes are bash executable, it is still a viable option to copy-paste parts of source-code of these scripts. These last two options are still used very often to bootstrap installs of docker-hosts for instance.

Maturity

Charms in these repository are in a wide set of maturity, from simple note taking of shell commands, not even executable, to full charm allowing to deploy services and manage the full life cycle of the service.

The repository in a whole is thus NOT considered as mature at all, and will require some thorough cleaning and decisions to furthermore structure to reach a state where it'll make sense to go full public.

Usage

TODO Through compose for full deployment of sets of services

Requires 0k-compose package that contains the compose command line tool.

TBD

TODO Through lxc-deploy for full install and deployment of services

Requires lxc-scripts package that holds several tools for LXC management, amongst them is lxc-deploy.

TBD

TODO Through docker-build-charm for docker image creation

Requires 0k-docker package that holds several tools for docker management, amongst them is docker-build-charm.

docker-build-charm will use the install recipes in a charm to basically mimic the Dockerfile purpose and create a docker image for a specific service.

TBD

TODO Through 0k-charm for bare hosts installs

Requires 0k-charm package to get the charm command line util.

TBD

Installation

Most tools should check the CHARM_STORE bash environment variable that should be the path to reach the root of this repository. If not defined, most tools will look in /srv/charm-store by default.