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- add updater package - expose GetState from registerer - fix longitude spelling
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package updater | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "reflect" | ||
| "time" | ||
|
|
||
| "github.com/rs/zerolog/log" | ||
| substrate "github.com/threefoldtech/tfchain/clients/tfchain-client-go" | ||
| "github.com/threefoldtech/zbus" | ||
|
|
||
| "github.com/threefoldtech/zos/pkg/geoip" | ||
| "github.com/threefoldtech/zos/pkg/registrar" | ||
| "github.com/threefoldtech/zos/pkg/stubs" | ||
| ) | ||
|
|
||
| const ( | ||
| updateInterval = 24 * time.Hour | ||
| ) | ||
|
|
||
| type Updater struct { | ||
| substrateGateway *stubs.SubstrateGatewayStub | ||
| registrar *stubs.RegistrarStub | ||
| } | ||
|
|
||
| func NewUpdater(bus zbus.Client) *Updater { | ||
| return &Updater{ | ||
| substrateGateway: stubs.NewSubstrateGatewayStub(bus), | ||
| registrar: stubs.NewRegistrarStub(bus), | ||
| } | ||
| } | ||
|
|
||
| func (u *Updater) Start(ctx context.Context) { | ||
| for { | ||
| if u.registrar.GetState(ctx).State == registrar.Done { | ||
| if err := u.updateLocation(); err != nil { | ||
| log.Error().Err(err).Msg("updating location failed") | ||
| } | ||
| log.Info().Msg("node location updated") | ||
| } | ||
|
|
||
| select { | ||
| case <-ctx.Done(): | ||
| log.Info().Msg("stop node updater. context cancelled") | ||
| return | ||
| case <-time.After(updateInterval): | ||
| continue | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (u *Updater) updateLocation() error { | ||
| nodeId, err := u.registrar.NodeID(context.Background()) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get node id: %w", err) | ||
| } | ||
|
|
||
| node, err := u.substrateGateway.GetNode(context.Background(), nodeId) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get node from chain: %w", err) | ||
| } | ||
|
|
||
| loc, err := geoip.Fetch() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to fetch location info: %w", err) | ||
| } | ||
|
|
||
| newLoc := substrate.Location{ | ||
| City: loc.City, | ||
| Country: loc.Country, | ||
| Latitude: fmt.Sprintf("%f", loc.Latitude), | ||
| Longitude: fmt.Sprintf("%f", loc.Longitude), | ||
| } | ||
|
|
||
| if !reflect.DeepEqual(newLoc, node.Location) { | ||
| node.Location = newLoc | ||
| if _, err := u.substrateGateway.UpdateNode(context.Background(), node); err != nil { | ||
| return fmt.Errorf("failed to update node on chain: %w", err) | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |