github.com/influxdata/influxdb/v2@v2.7.6/telegraf/plugins/inputs/file.go (about)

     1  package inputs
     2  
     3  import (
     4  	"errors"
     5  	"fmt"
     6  	"strconv"
     7  	"strings"
     8  )
     9  
    10  // File is based on telegraf input File plugin.
    11  type File struct {
    12  	baseInput
    13  	Files []string `json:"files"`
    14  }
    15  
    16  // PluginName is based on telegraf plugin name.
    17  func (f *File) PluginName() string {
    18  	return "file"
    19  }
    20  
    21  // UnmarshalTOML decodes the parsed data to the object
    22  func (f *File) UnmarshalTOML(data interface{}) error {
    23  	dataOK, ok := data.(map[string]interface{})
    24  	if !ok {
    25  		return errors.New("bad files for file input plugin")
    26  	}
    27  	files, ok := dataOK["files"].([]interface{})
    28  	if !ok {
    29  		return errors.New("not an array for file input plugin")
    30  	}
    31  	for _, fl := range files {
    32  		f.Files = append(f.Files, fl.(string))
    33  	}
    34  	return nil
    35  }
    36  
    37  // TOML encodes to toml string
    38  func (f *File) TOML() string {
    39  	s := make([]string, len(f.Files))
    40  	for k, v := range f.Files {
    41  		s[k] = strconv.Quote(v)
    42  	}
    43  	return fmt.Sprintf(`[[inputs.%s]]
    44    ## Files to parse each interval.  Accept standard unix glob matching rules,
    45    ## as well as ** to match recursive files and directories.
    46    files = [%s]
    47  
    48    ## Name a tag containing the name of the file the data was parsed from.  Leave empty
    49    ## to disable.
    50    # file_tag = ""
    51  
    52    ## Character encoding to use when interpreting the file contents.  Invalid
    53    ## characters are replaced using the unicode replacement character.  When set
    54    ## to the empty string the data is not decoded to text.
    55    ##   ex: character_encoding = "utf-8"
    56    ##       character_encoding = "utf-16le"
    57    ##       character_encoding = "utf-16be"
    58    ##       character_encoding = ""
    59    # character_encoding = ""
    60  
    61    ## The dataformat to be read from files
    62    ## Each data format has its own unique set of configuration options, read
    63    ## more about them here:
    64    ## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
    65    data_format = "influx"
    66  `, f.PluginName(), strings.Join(s, ", "))
    67  }