Add helm installation support for access_log format

Author: tataruty

charts/nginx-gateway-fabric/values.schema.json

@@ -202,6 +202,23 @@
             "logging": {
               "description": "Logging defines logging related settings for NGINX.",
               "properties": {
+                "accessLog": {
+                  "description": "AccessLog defines the access log settings.",
+                  "properties": {
+                    "disabled": {
+                      "description": "Disabled turns off access logging when set to true.",
+                      "required": [],
+                      "type": "boolean"
+                    },
+                    "format": {
+                      "description": "Format specifies the custom log format string. If not specified, NGINX default 'combined' format is used.",
+                      "required": [],
+                      "type": "string"
+                    }
+                  },
+                  "required": [],
+                  "type": "object"
+                },
                 "agentLevel": {
                   "enum": [
                     "debug",

charts/nginx-gateway-fabric/values.yaml

@@ -471,6 +471,16 @@ nginx:
   #           - error
   #           - panic
   #           - fatal
+  #       accessLog:
+  #         type: object
+  #         description: AccessLog defines the access log settings.
+  #         properties:
+  #           disabled:
+  #             type: boolean
+  #             description: Disabled turns off access logging when set to true.
+  #           format:
+  #             type: string
+  #             description: Format specifies the custom log format string. If not specified, NGINX default 'combined' format is used.
   #   nginxPlus:
   #     type: object
   #     description: NginxPlus specifies NGINX Plus additional settings.