add env var for opensearch

chart/templates/_helpers.yaml

@@ -142,6 +142,15 @@ If release name contains chart name it will be used as a full name.
         key: connection
     {{- end }}
   {{- end }}
+  {{- if .Values.opensearch.enabled }}
+    {{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__OPENSEARCH__HOST }}
+  - name: AIRFLOW__OPENSEARCH__HOST
+    valueFrom:
+      secretKeyRef:
+        name: {{ template "opensearch_secret" . }}
+        key: connection
+    {{- end }}
+  {{- end }}
 {{- end }}
 
 {{/* User defined Airflow environment variables */}}
@@ -427,6 +436,10 @@ If release name contains chart name it will be used as a full name.
   {{- default (printf "%s-elasticsearch" (include "airflow.fullname" .)) .Values.elasticsearch.secretName }}
 {{- end }}
 
+{{- define "opensearch_secret" -}}
+  {{- default (printf "%s-opensearch" (include "airflow.fullname" .)) .Values.opensearch.secretName }}
+{{- end }}
+
 {{- define "flower_secret" -}}
   {{- default (printf "%s-flower" (include "airflow.fullname" .)) .Values.flower.secretName }}
 {{- end }}

chart/values.schema.json

@@ -1093,6 +1093,11 @@
                     "description": "Enable ``AIRFLOW__ELASTICSEARCH__ELASTICSEARCH_HOST`` variable to be read from the Elasticsearch Host Secret - Airflow <1.10.4 variant",
                     "type": "boolean",
                     "default": true
+                },
+                "AIRFLOW__OPENSEARCH__HOST": {
+                    "description": "Enable ``AIRFLOW__OPENSEARCH__HOST`` variable to be read from the OpenSearch Host Secret",
+                    "type": "boolean",
+                    "default": true
                 }
             }
         },

chart/values.yaml

@@ -366,6 +366,7 @@ enableBuiltInSecretEnvVars:
   AIRFLOW__CELERY__BROKER_URL: true
   AIRFLOW__ELASTICSEARCH__HOST: true
   AIRFLOW__ELASTICSEARCH__ELASTICSEARCH_HOST: true
+  AIRFLOW__OPENSEARCH__HOST: true
 
 # Priority Classes that will be installed by charts.
 # Ideally, there should be an entry for dagProcessor, flower,