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sympa-community / sympa

Sympa, Mailing List Management Software
https://www.sympa.community/sympa
GNU General Public License v2.0
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How to update multiple list configurations at once? #1576

Closed Ygreneb closed 1 year ago

Ygreneb commented 1 year ago

Version

Sympa 6,2.60 via Debian 11 repository

Question

We have a large amount of lists and recently the address of our LDAP server changed. So we needed to change this setting in each list config. We wrote a small script that simply replaced the string in each list config file, restarted Sympa and it worked. But we wondered about three things:

  1. Can you change/add/delete each settings from https://www.sympa.community/gpldoc/man/sympa_config.5.html in the list config files without breaking Sympa? (Except deleting mandatory settings)
  2. Do you have to rotate the config files and have to update the update paragraph? If not, is there a downside in not doing so?
  3. Is there a more convenient way to do it, like a special CLI offered by Sympa? Changing the address of an LDAP server was a simple replacement, but what about replacing whole deprecated paragraphs with new settings based on the deprecated ones? Definitely doable with scripting, but quite complex.
ikedas commented 1 year ago

Hi @Ygreneb ,

  1. Can you change/add/delete each settings from https://www.sympa.community/gpldoc/man/sympa_config.5.html in the list config files without breaking Sympa? (Except deleting mandatory settings)

When a config file of each list is changed, it is reloaded automatically (sympa.conf and robot.conf aren't: When these files are changed, you have to restart the services).

Logically, a process could read config file while it is being rewritten with the changes. To avoid this, the following operation is recommended:

# cp -p config config.NEW
(edit config.NEW)
# mv config.NEW config
  1. Do you have to rotate the config files and have to update the update paragraph? If not, is there a downside in not doing so?

Currently, rotated files and update paragraph are never used by Sympa (Sympa determines updates of config file by timestamp of it). They are only for convenience of human.

Conversely, without these, it is impossible to know what the settings were before the change and when the settings were changed.

  1. Is there a more convenient way to do it, like a special CLI offered by Sympa? Changing the address of an LDAP server was a simple replacement, but what about replacing whole deprecated paragraphs with new settings based on the deprecated ones? Definitely doable with scripting, but quite complex.

Unfortunately, currently there is no CLI yet to update the config file for each list. But it sounds a promising idea for me.

ikedas commented 1 year ago

As of Sympa 6.2.70, sympa config command has been added. So we may finally close this question.