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When supervisor is first installed, it is started automatically, and creates the socket, owned by root. Subsequent reconfiguration in puppet only calls `reread + update`, which is insufficient to apply the `chown = zulip:zulip` line in `supervisord.conf`, leaving the socket owned by `root` and the last part of the installation unable to restart `supervisor` services as the `zulip` user. The `chown` line in `scripts/lib/install` exists to paper over this. Add a separate exec target for changes to `supervisord.conf` itself, which restarts the full service. This leaves the default `restart` action on the service for the lightweight `reread + update` action, which is more common. We use `systemctl` only on redhat-esque builds, because CI runs Ubuntu, but init is not systemd in that context. `systemctl reload` is sufficient to re-apply the socket ownership, but a full `restart` and not `reload` is necessary under `/etc/init.d/supervisor`.
This directory contains scripts that:
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Generally do not require access to Django or the database (those are "management commands"), and thus are suitable to run operationally.
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Are useful for managing a production deployment of Zulip (many are also used in a Zulip development environment, though development-only scripts live in
tools/).
For more details, see https://zulip.readthedocs.io/en/latest/overview/directory-structure.html.