Juju state machine documentation and visualization

[ppasotti (Pietro Pasotti)]

Charm lifecycle

See also: Exploring event emission sequences with jhack tail This document is about the lifecycle of a charm, specifically the Juju events that are used to keep track of it. These events are relayed to charm code by the Operator Framework in specific sequences depending on what’s going on in the Juju model. It is common wisdom that event ordering should not be generally relied upon when coding a charm, to ensure resilience. It can be however useful to understand the logic behind the timing o…

GitHub - canonical/charm-events: Documentation of the juju state machine + charm...