feat(helm): allow cluster administrator to configure ingress host (#588)

AUTHORS.md

@@ -3,6 +3,7 @@
 The list of contributors in alphabetical order:
 
 - [Adelina Lintuluoto](https://orcid.org/0000-0002-0726-1452)
+- [Alp Tuna](https://orcid.org/0009-0001-1915-3993)
 - [Anton Khodak](https://orcid.org/0000-0003-3263-4553)
 - [Audrius Mecionis](https://orcid.org/0000-0002-3759-1663)
 - [Camila Diaz](https://orcid.org/0000-0001-5543-797X)

reana_workflow_controller/config.py

@@ -197,6 +197,9 @@ def _env_vars_dict_to_k8s_list(env_vars):
 REANA_INGRESS_ANNOTATIONS = json.loads(os.getenv("REANA_INGRESS_ANNOTATIONS", "{}"))
 """REANA Ingress annotations defined by the administrator."""
 
+REANA_INGRESS_HOST = os.getenv("REANA_INGRESS_HOST", "")
+"""REANA Ingress host defined by the administrator."""
+
 IMAGE_PULL_SECRETS = os.getenv("IMAGE_PULL_SECRETS", "").split(",")
 """Docker image pull secrets which allow the usage of private images."""
 

reana_workflow_controller/k8s.py

@@ -1,5 +1,5 @@
 # This file is part of REANA.
-# Copyright (C) 2019, 2020, 2021, 2022 CERN.
+# Copyright (C) 2019, 2020, 2021, 2022, 2024 CERN.
 #
 # REANA is free software; you can redistribute it and/or modify it
 # under the terms of the MIT License; see LICENSE file for more details.
@@ -26,6 +26,7 @@
     JUPYTER_INTERACTIVE_SESSION_DEFAULT_IMAGE,
     JUPYTER_INTERACTIVE_SESSION_DEFAULT_PORT,
     REANA_INGRESS_ANNOTATIONS,
+    REANA_INGRESS_HOST,
 )
 
 
@@ -103,7 +104,9 @@ def _build_ingress(self):
             ]
         )
         spec = client.V1IngressSpec(
-            rules=[client.V1IngressRule(http=ingress_rule_value)]
+            rules=[
+                client.V1IngressRule(http=ingress_rule_value, host=REANA_INGRESS_HOST)
+            ]
         )
         ingress = client.V1Ingress(
             api_version="networking.k8s.io/v1",