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Fix YAML serialization of empty matrix_synapse_federation_domain_whitelist

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We've previously changed a bunch of lists in `homeserver.yaml.j2`
to be serialized using `|to_nice_yaml`, as that generates a more
readable list in YAML.

`matrix_synapse_federation_domain_whitelist`, however, couldn't have
been changed to that, as it can potentially be an empty list.

We may be able to differentiate between empty and non-empty now
and serialize it accordingly (favoring `|to_nice_yaml` if non-empty),
but it's not important enough to be justified. Thus, always
serializing with `|to_json`.

Fixes #78 (Github issue)
This commit is contained in:
Slavi Pantaleev 2019-01-16 17:06:58 +02:00
parent 2d711555fe
commit 294a5c9083
1 changed files with 2 additions and 2 deletions
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4
roles/matrix-synapse/templates/synapse/homeserver.yaml.j2
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@ -120,8 +120,8 @@ use_presence: {{ matrix_synapse_use_presence|to_json }}
# - nyc.example.com
# - syd.example.com
{% if matrix_synapse_federation_domain_whitelist is not none %}
federation_domain_whitelist:
{{ matrix_synapse_federation_domain_whitelist|to_nice_yaml }}
{# Cannot use `|to_nice_yaml` here, as an empty list does not get serialized properly by it. #}
federation_domain_whitelist: {{ matrix_synapse_federation_domain_whitelist|to_json }}
{% endif %}
# List of ports that Synapse should listen on, their purpose and their