Fix Elasticsearch Curator

Newest elasticsearch python library required by Curator does no longer
work against the last OSS version of Elasticsearch (7.10.2). Pin it
to the last known working version.

Closes-Bug: #1941073
Change-Id: Ic8f0554c95c1903640c98a7831b829c1f88f49ff

Author: cityofships

docker/elasticsearch/elasticsearch-curator/Dockerfile.j2

@@ -26,7 +26,9 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 
 {{ macros.configure_user(name='elasticsearch') }}
 
+# NOTE(parallax): pin elasticsearch due to bug: https://bugs.launchpad.net/kolla/+bug/1941073
 {% set elasticsearch_curator_pip_packages = [
+    'elasticsearch==7.13.*',
     'elasticsearch-curator'
 ] %}
 

releasenotes/notes/fix-elasticsearch-curator-7876896ebbd41ad3.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes an issue with Elasticsearch curator not working due to too new
+    python elasticsearch library.
+    `LP#1941073 <https://bugs.launchpad.net/kolla-ansible/+bug/1941073>`__