Prepare configuration for re-enabling vector search in Platformsh

Author: romainruaud

.platform/applications.yaml

@@ -68,6 +68,25 @@
           sed -i '/VectorSearch/d' config/bundles.php
           
       deploy: |
+          OPENSEARCH_URL="http://opensearch.internal:9200"
+          # Check the number of nodes in the cluster
+          NODE_COUNT=$(curl -s "$OPENSEARCH_URL/_cat/nodes?h=name" | wc -l)
+          
+          if [ "$NODE_COUNT" -eq 1 ]; then
+          echo "This is a single-node OpenSearch cluster. Proceeding with the settings change."
+          
+          # Change the setting plugins.ml_commons.only_run_on_ml_node to false
+          curl -X PUT "$OPENSEARCH_URL/_cluster/settings" \
+          -H "Content-Type: application/json" \
+          -d '{ "persistent": { "plugins.ml_commons.only_run_on_ml_node": false}}'
+          echo "Setting updated successfully."
+          else
+          echo "This is a multi-node OpenSearch cluster. No changes made."
+          fi
+          # Change the setting plugins.ml_commons.disk_free_space_threshold to -1 to avoid Disk Circuit Breaker
+          curl -X PUT "$OPENSEARCH_URL/_cluster/settings" \
+          -H "Content-Type: application/json" \
+          -d '{ "persistent": { "plugins.ml_commons.disk_free_space_threshold": -1}}'
           bin/console --env=prod cache:clear
           bin/console doctrine:migrations:migrate -n --allow-no-migration