Merge "Add fluentd grok-parser plugin on CentOS on aarch64"

docker/fluentd/Dockerfile.j2

@@ -82,7 +82,7 @@ RUN chmod 755 /usr/local/bin/kolla_extend_start
 
 {% block fluentd_plugins_install %}
 
-{% if not (base_package_type == 'rpm' and base_arch != 'x86_64') %}
+{% if base_arch in ['aarch64', 'x86_64'] %}
     {% set fluentd_plugins = [
         'fluent-plugin-elasticsearch',
         'fluent-plugin-grep',

releasenotes/notes/bug-1955889-92d98ef6527a75ef.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    fluentd on CentOS on aarch64 is no longer missing the grok-parser plugin.
+    `LP#1955889 <https://launchpad.net/bugs/1955889>`__