使用telegraf在XDB中加载csv文件时出现问题

我找不到在XDB中上传csv文件的方法。我正在使用Telegraf作为插件。这是telegraf.conf的

[[inputs.file]]
  files = ["/home/davide/example.csv"]
  data_format = "csv"
  csv_header_row_count = 1
  csv_timestamp_column = "time"
  csv_timestamp_format = "2006-01-02T15:04:05Z07:00"
[[outputs.file]]
  ## Files to write to, "stdout" is a specially handled file.
  files = ["stdout", "/tmp/metrics.out"]

  ## Data format to output.
  ## Each data format has its own unique set of configuration options, read
  ## more about them here:
  ## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
  data_format = "influx"

  ## Maximum line length in bytes.  Useful only for debugging.
  influx_max_line_bytes = 0

  ## When true, fields will be output in ascending lexical order.  Enabling
  ## this option will result in decreased performance and is only recommended
  ## when you need predictable ordering while debugging.
  influx_sort_fields = false

  ## When true, Telegraf will output unsigned integers as unsigned values,
  ## i.e.: `42u`.  You will need a version of InfluxDB supporting unsigned
  ## integer values.  Enabling this option will result in field type errors if
  ## existing data has been written.
  influx_uint_support = false

从bash启动Telegraf时出现以下错误：

021-04-24T08:37:27Z E! [telegraf] Error running agent: connecting output outputs.file: Error connecting to output "outputs.file": open /tmp/metrics.out: permission denied

昨天，至少csv和Telegraf之间的通信正常，但数据没有在XDB中传输。我认为问题出在
[[output.file]]
块中，但我不知道如何解决它。
这不会写入inflow，只会写入文件和控制台。您的权限被拒绝，那么该文件是否已经存在？运行telegraf进程的用户是否具有该文件的写入权限？