feat(helm): Support bypass all s3/gcs/azure config in object_store (#17597)

Signed-off-by: okhowang <3352585+okhowang@users.noreply.github.com>
Co-authored-by: Jan-Otto Kröpke <mail@jkroepke.de>
Co-authored-by: J Stickler <julie.stickler@grafana.com>

Author: 3 people

production/helm/loki/templates/_helpers.tpl

@@ -1175,31 +1175,13 @@ the thanos_storage_config model*/}}
 {{- with .ctx.Values.loki.storage.object_store }}
 {{- if eq .type "s3" }}
 s3:
-  {{- with .s3 }}
-  bucket_name: {{ $bucketName }}
-  endpoint: {{ .endpoint }}
-  access_key_id: {{ .access_key_id }}
-  secret_access_key: {{ .secret_access_key }}
-  region: {{ .region }}
-  insecure: {{ .insecure }}
-  http:
-    {{ toYaml .http | nindent 4 }}
-  sse:
-    {{ toYaml .sse | nindent 4 }}
-  {{- end }}
+{{- toYaml ( mergeOverwrite .s3 (dict "bucket_name" $bucketName) ) | nindent 2 }}
 {{- else if eq .type "gcs" }}
 gcs:
-  {{- with .gcs }}
-  bucket_name: {{ $bucketName }}
-  service_account: {{ .service_account }}
-  {{- end }}
+{{- toYaml ( mergeOverwrite .gcs (dict "bucket_name" $bucketName ) ) | nindent 2 }}
 {{- else if eq .type "azure" }}
 azure:
-  {{- with .azure }}
-  container_name: {{ $bucketName }}
-  account_name: {{ .account_name }}
-  account_key: {{ .account_key }}
-  {{- end }}
+{{- toYaml ( mergeOverwrite .azure (dict "container_name" $bucketName ) ) | nindent 2 }}
 {{- end }}
 storage_prefix: {{ .storage_prefix }}
 {{- end }}