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Fix/retry strategy for elastalert #238

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Fix/retry strategy for elastalert #238

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d355c14
delete indices one by one if they are not all present
makelicious Aug 14, 2024
c750570
improve fallback logic to retry only when something fails in one by o…
makelicious Aug 14, 2024
0463836
move variable to right scope
makelicious Aug 14, 2024
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37 changes: 33 additions & 4 deletions infrastructure/elasticsearch/setup-elastalert-indices.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -32,13 +32,42 @@ docker service scale opencrvs_elastalert=0
echo 'Deleting Elastalert indices'
indices='elastalert_status,elastalert_status_error,elastalert_status_past,elastalert_status_silence,elastalert_status_status'

delete_status_code=$($docker_command --connect-timeout 60 -u elastic:$ELASTICSEARCH_SUPERUSER_PASSWORD -o /dev/null -w '%{http_code}' "http://elasticsearch:9200/${indices}" -X DELETE)
bulk_delete_status_code=$($docker_command --connect-timeout 60 -u elastic:$ELASTICSEARCH_SUPERUSER_PASSWORD -o /dev/null -w '%{http_code}' "http://elasticsearch:9200/${indices}" -X DELETE)

if [ "$delete_status_code" -ne 200 ]; then
echo "Could not delete indices. API returned status code: $delete_status_code"
exit 1
if [ "$bulk_delete_status_code" -ne 200 ]; then
echo "Could not delete indices. API returned status code: $bulk_delete_status_code"
fi


non_404_error_when_deleting_one_by_one=0

if [ "$bulk_delete_status_code" -eq 404 ]; then
echo "Some of the indices do not exist. Attempting to delete them one by one."

# Convert the comma-separated indices into an array
IFS=',' read -r -a indices_array <<< "$indices"

for index in "${indices_array[@]}"; do
echo "Deleting index: $index"
individual_delete_status_code=$($docker_command --connect-timeout 60 -u elastic:$ELASTICSEARCH_SUPERUSER_PASSWORD -o /dev/null -w '%{http_code}' "http://elasticsearch:9200/${index}" -X DELETE)

if [ "$individual_delete_status_code" -eq 200 ]; then
echo "Successfully deleted index: $index"
elif [ "$individual_delete_status_code" -eq 404 ]; then
echo "Index $index does not exist."
else
echo "Failed to delete index: $index. API returned status code: $individual_delete_status_code"
non_404_error_when_deleting_one_by_one=1
fi
done
fi


echo 'Scaling up Elastalert'
docker service scale opencrvs_elastalert=1

if [ "$non_404_error_when_deleting_one_by_one" -eq 0 ] && { [ "$bulk_delete_status_code" -eq 200 ] || [ "$bulk_delete_status_code" -eq 404 ]; }; then
exit 0
fi

exit 1
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