增加不支持项的返回值，值为：99

docker/check_container_info.py

@@ -41,22 +41,26 @@ def check_container_info(container_name, container_item):
         try:
             result = new_result['networks']['eth0']['rx_bytes'] - old_result['networks']['eth0']['rx_bytes']
         except KeyError:
-            result = 0
+            result = 99
     elif container_item == "eth0_tx_byte":
         try:
             result = new_result['networks']['eth0']['tx_bytes'] - old_result['networks']['eth0']['tx_bytes']
         except KeyError:
-            result = 0
+            result = 99
     elif container_item == "blk_io_read":
         r_list = new_result['blkio_stats']['io_service_bytes_recursive']
         for r_dict in r_list:
             if r_dict['major'] == 253 and r_dict['op'] == "Read" and r_dict['minor'] == 0:
                 result = r_dict['value']
+            else:
+                result = 99
     elif container_item == "blk_io_write":
         w_list = new_result['blkio_stats']['io_service_bytes_recursive']
         for w_dict in w_list:
             if w_dict['major'] == 253 and w_dict['op'] == "Write" and w_dict['minor'] == 0:
                 result = w_dict['value']
+            else:
+                result = 99
     # block io queue ，目前没有使用，因为获取出来的值为空“[]”
     elif container_item == "blk_io_queue":
         result = new_result['blkio_stats']['io_queue_recursive']