Events and hooks

Detailed information about the charm’s internal behaviour can be found in the charm’s GitHub wiki.

It includes flowcharts of events in the charm’s lifecycle, examples of the expected interface resulting from relations (databag contents), and hook flowcharts:

• Main file: charm.py
  • Event flowcharts
    • Charm startup
    • Config updates
    • Leader updates
  • Hook handler flowcharts
    • start
    • pgbouncer-pebble-ready
    • config-changed
    • update-status
• Relations
  • backend_database
    • Example databag contents
    • Hook handler flowcharts
  • database
    • Example databag contents
    • Hook handler flowcharts
  • db and db-admin
    • Example databag contents
    • Hook handler flowcharts
  • pgb-peers
    • Example databag contents
    • Hook handler flowcharts