mirror of https://github.com/docker/docs.git
47 lines
840 B
Go
47 lines
840 B
Go
package file
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import (
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"errors"
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"io/ioutil"
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"strings"
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"time"
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"github.com/docker/swarm/discovery"
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)
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type FileDiscoveryService struct {
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path string
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}
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func init() {
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discovery.Register("file", Init)
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}
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func Init(file string) (discovery.DiscoveryService, error) {
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return FileDiscoveryService{path: file}, nil
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}
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func (s FileDiscoveryService) Fetch() ([]string, error) {
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data, err := ioutil.ReadFile(s.path)
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if err != nil {
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return nil, err
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}
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lines := []string{}
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for _, line := range strings.Split(string(data), "\n") {
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if line != "" {
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lines = append(lines, line)
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}
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}
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return lines, nil
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}
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func (s FileDiscoveryService) Watch(heartbeat int) <-chan time.Time {
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return time.Tick(time.Duration(heartbeat) * time.Second)
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}
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func (s FileDiscoveryService) Register(addr string) error {
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return errors.New("unimplemented")
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}
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