bqimport.conf

<match nginx.access>
    @type             bigquery
    method            insert
    auth_method       json_key
    json_key          /etc/td-agent/bq-key.json
    project           {{ project }}
    dataset           {{ dataset }}
    table             {{ table }}
    auto_create_table true
    <inject>
      time_key    time
      time_type   string
      time_format %Y-%m-%d %H:%M:%S
    </inject>
    schema [
      { "name": "time",               "type": "TIMESTAMP" },
      { "name": "host",               "type": "STRING"    },
      { "name": "user",               "type": "STRING"    },
      { "name": "method",             "type": "STRING"    },
      { "name": "path",               "type": "STRING"    },
      { "name": "code",               "type": "STRING"    },
      { "name": "size",               "type": "STRING"    },
      { "name": "referer",            "type": "STRING"    },
      { "name": "agent",              "type": "STRING"    },
      { "name": "x_forwarded_for",    "type": "STRING"    },
      { "name": "resp",               "type": "STRING"    }
    ]
</match>