- Add MySQL host_vars with firewall rules for port 3306
- Enable IP forwarding on Docker hosts (hiveops, smartjournal)
- Fix container-to-external-network connectivity issue
The IP forwarding setting was previously disabled by the common role's
security defaults, preventing Docker containers from reaching external
databases. This change overrides that setting for hosts running Docker.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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