Add redis configuration to storage replayer configmap

Refs. swh/infra/sysadm-environment#4809

swh/templates/storage-replayer/configmap.yaml

 {{ if .Values.storage_replayer.enabled -}}
+{{- $error_reporter := .Values.storage_replayer.error_reporter }}
 {{- range $deployment, $deployment_config := .Values.storage_replayer.deployments -}}
 ---
 apiVersion: v1
@@ -43,5 +44,12 @@ data:
       {{- range $object := get $deployment_config "objects" }}
         - {{ $object }}
       {{- end }}
+    {{- if $error_reporter }}
+    replayer:
+      error_reporter:
+      {{- range $option, $value := $error_reporter }}
+        {{ $option }}: {{ $value }}
+      {{- end }}
+    {{- end }}
 {{ end }}
 {{- end -}}

swh/values.yaml

@@ -83,6 +83,13 @@ storage_replayer:
     - seed2
     keySpace: swh
     consistencyLevel: LOCAL_QUORUM
+  # optional 'replayer' configuration may be specified with a 'error_reporter' config
+  # entry allowing to specify redis connection parameters. It will be used to report
+  # non-recoverable replaying issues
+  # error_reporter:
+  #   host: redis.redis
+  #   port: 6379
+  #   db: 1
   deployments:
   # Example of deployments
   #   origins:

swh/values/staging-cassandra.yaml

@@ -25,6 +25,10 @@ storage_replayer:
       - cassandra1.internal.staging.swh.network
       - cassandra2.internal.staging.swh.network
       - cassandra3.internal.staging.swh.network
+  error_reporter:
+    host: redis.redis
+    port: 6379
+    db: 1
   deployments:
     content:
       objects: