68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package inputs
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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)
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// Tail is based on telegraf Tail plugin.
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type Tail struct {
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baseInput
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Files []string `json:"files"`
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}
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// PluginName is based on telegraf plugin name.
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func (t *Tail) PluginName() string {
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return "tail"
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}
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// TOML encodes to toml string
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func (t *Tail) TOML() string {
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s := make([]string, len(t.Files))
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for k, v := range t.Files {
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s[k] = strconv.Quote(v)
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}
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return fmt.Sprintf(`[[inputs.%s]]
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## files to tail.
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## These accept standard unix glob matching rules, but with the addition of
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## ** as a "super asterisk". ie:
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## "/var/log/**.log" -> recursively find all .log files in /var/log
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## "/var/log/*/*.log" -> find all .log files with a parent dir in /var/log
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## "/var/log/apache.log" -> just tail the apache log file
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##
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## See https://github.com/gobwas/glob for more examples
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##
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files = [%s]
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## Read file from beginning.
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from_beginning = false
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## Whether file is a named pipe
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pipe = false
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## Method used to watch for file updates. Can be either "inotify" or "poll".
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# watch_method = "inotify"
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## Data format to consume.
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## Each data format has its own unique set of configuration options, read
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## more about them here:
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## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
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data_format = "influx"
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`, t.PluginName(), strings.Join(s, ", "))
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}
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// UnmarshalTOML decodes the parsed data to the object
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func (t *Tail) UnmarshalTOML(data interface{}) error {
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dataOK, ok := data.(map[string]interface{})
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if !ok {
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return errors.New("bad files for tail input plugin")
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}
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files, ok := dataOK["files"].([]interface{})
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if !ok {
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return errors.New("not an array for tail input plugin")
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}
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for _, fi := range files {
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t.Files = append(t.Files, fi.(string))
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}
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return nil
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}
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