Add target config (#486)

* Add target config

Support costomize target config.

Signed-off-by: Xiang Dai <764524258@qq.com>

* Update default value

Signed-off-by: Xiang Dai <764524258@qq.com>

* bump helm version

Signed-off-by: Xiang Dai <764524258@qq.com>

production/helm/promtail/values.yaml

@@ -120,6 +120,9 @@ config:
     http_listen_port: 3101
   positions:
     filename: /run/promtail/positions.yaml
+  target_config:
+    # Period to resync directories being watched and files being tailed
+    sync_period: 10s
   scrape_configs:
   - entry_parser: '{{ .Values.entryParser }}'
     job_name: kubernetes-pods-name