mirror of https://github.com/docker/docs.git
54 lines
985 B
Go
54 lines
985 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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heartbeat int
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path string
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}
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func init() {
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discovery.Register("file",
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func() discovery.DiscoveryService {
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return &FileDiscoveryService{}
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},
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)
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}
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func (s *FileDiscoveryService) Initialize(path string, heartbeat int) error {
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s.path = path
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s.heartbeat = heartbeat
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return nil
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}
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func (s *FileDiscoveryService) Fetch() ([]*discovery.Node, 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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var nodes []*discovery.Node
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for _, line := range strings.Split(string(data), "\n") {
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if line != "" {
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nodes = append(nodes, discovery.NewNode(line))
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}
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}
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return nodes, nil
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}
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func (s *FileDiscoveryService) Watch() <-chan time.Time {
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return time.Tick(time.Duration(s.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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