fix: skip waiting for mongodb SRV records

Signed-off-by: Gabor Boros <gabor.brs@gmail.com>

CHANGELOG.md

@@ -21,6 +21,7 @@ Every user-facing change should have an entry in this changelog. Please respect
 - [Feature] Add default PYTHONBREAKPOINT to openedx/Dockerfile (by @Carlos-Muniz)
 
 - [Bugfix] Fix smtp server port in `cms.yml` which was causing email sending failures in the Studio. (by @regisb)
+- [Bugfix] Skip waiting for MongoDB if it is served using SRV records. (by @gabor-boros)
 - [Improvement] Use `git am` instead of `cherry-pick` to simplify patching process.
 - [Improvement] Tutor is now compatible with Docker Compose subcommand.
 

tutor/templates/hooks/lms/init

@@ -1,5 +1,10 @@
 dockerize -wait tcp://{{ MYSQL_HOST }}:{{ MYSQL_PORT }} -timeout 20s
+
+{%- if MONGODB_HOST.startswith("mongodb+srv://") %}
+echo "MongoDB is using SRV records, so we cannot wait for it to be ready"
+{%- else %}
 dockerize -wait tcp://{{ MONGODB_HOST }}:{{ MONGODB_PORT }} -timeout 20s
+{%- endif %}
 
 echo "Loading settings $DJANGO_SETTINGS_MODULE"
 
@@ -38,3 +43,4 @@ fi
 # Create waffle switches to enable some features, if they have not been explicitly defined before
 # Completion tracking: add green ticks to every completed unit
 (./manage.py lms waffle_switch --list | grep completion.enable_completion_tracking) || ./manage.py lms waffle_switch --create completion.enable_completion_tracking on
+