influxdb/telegraf/plugins/inputs/file.go

59 lines
1.5 KiB
Go

package inputs
import (
"errors"
"fmt"
"strconv"
"strings"
)
// File is based on telegraf input File plugin.
type File struct {
baseInput
Files []string `json:"files"`
}
// PluginName is based on telegraf plugin name.
func (f *File) PluginName() string {
return "file"
}
// UnmarshalTOML decodes the parsed data to the object
func (f *File) UnmarshalTOML(data interface{}) error {
dataOK, ok := data.(map[string]interface{})
if !ok {
return errors.New("bad files for file input plugin")
}
files, ok := dataOK["files"].([]interface{})
if !ok {
return errors.New("not an array for file input plugin")
}
for _, fl := range files {
f.Files = append(f.Files, fl.(string))
}
return nil
}
// TOML encodes to toml string
func (f *File) TOML() string {
s := make([]string, len(f.Files))
for k, v := range f.Files {
s[k] = strconv.Quote(v)
}
return fmt.Sprintf(`[[inputs.%s]]
## Files to parse each interval.
## These accept standard unix glob matching rules, but with the addition of
## ** as a "super asterisk". ie:
## /var/log/**.log -> recursively find all .log files in /var/log
## /var/log/*/*.log -> find all .log files with a parent dir in /var/log
## /var/log/apache.log -> only read the apache log file
files = [%s]
## The dataformat to be read from files
## 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_INPUT.md
data_format = "influx"
`, f.PluginName(), strings.Join(s, ", "))
}