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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package instance | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "strings" | ||
|
|
||
| "beryju.io/gravity/pkg/extconfig" | ||
| "beryju.io/gravity/pkg/instance/types" | ||
| "beryju.io/gravity/pkg/roles" | ||
| apitypes "beryju.io/gravity/pkg/roles/api/types" | ||
| "github.com/swaggest/rest/web" | ||
| "github.com/swaggest/usecase" | ||
| "github.com/swaggest/usecase/status" | ||
| clientv3 "go.etcd.io/etcd/client/v3" | ||
| ) | ||
|
|
||
| func (i *Instance) setupInstanceAPI() { | ||
| i.ForRole("instance").AddEventListener(apitypes.EventTopicAPIMuxSetup, func(ev *roles.Event) { | ||
| svc := ev.Payload.Data["svc"].(*web.Service) | ||
| svc.Get("/api/v1/instances", i.apiHandlerInstances()) | ||
| svc.Get("/api/v1/info", i.apiHandlerInfo()) | ||
| }) | ||
| } | ||
|
|
||
| func (i *Instance) apiHandlerInstances() usecase.Interactor { | ||
| type instancesOutput struct { | ||
| Instances []InstanceInfo `json:"instances" required:"true"` | ||
| } | ||
| u := usecase.NewInteractor(func(ctx context.Context, input struct{}, output *instancesOutput) error { | ||
| prefix := i.kv.Key(types.KeyInstance).Prefix(true).String() | ||
| instances, err := i.kv.Get( | ||
| ctx, | ||
| prefix, | ||
| clientv3.WithPrefix(), | ||
| ) | ||
| if err != nil { | ||
| return status.Wrap(err, status.Internal) | ||
| } | ||
| for _, ri := range instances.Kvs { | ||
| // We only want one level | ||
| relKey := strings.TrimPrefix(string(ri.Key), prefix) | ||
| if strings.Contains(relKey, "/") { | ||
| continue | ||
| } | ||
| var inst InstanceInfo | ||
| err := json.Unmarshal(ri.Value, &inst) | ||
| if err != nil { | ||
| i.log.WithError(err).Warning("failed to parse instance info") | ||
| continue | ||
| } | ||
| output.Instances = append(output.Instances, inst) | ||
| } | ||
| return nil | ||
| }) | ||
| u.SetName("root.get_instances") | ||
| u.SetTitle("Instances") | ||
| u.SetTags("instances") | ||
| u.SetExpectedErrors(status.Internal) | ||
| return u | ||
| } | ||
|
|
||
| func (i *Instance) apiHandlerInfo() usecase.Interactor { | ||
| type systemInfo struct { | ||
| Version string `json:"version" required:"true"` | ||
| BuildHash string `json:"buildHash" required:"true"` | ||
|
|
||
| Dirs *extconfig.ExtConfigDirs `json:"dirs" required:"true"` | ||
|
|
||
| CurrentInstanceIdentifier string `json:"currentInstanceIdentifier" required:"true"` | ||
| CurrentInstanceIP string `json:"currentInstanceIP" required:"true"` | ||
| } | ||
| u := usecase.NewInteractor(func(ctx context.Context, input struct{}, output *systemInfo) error { | ||
| output.Version = extconfig.Version | ||
| output.BuildHash = extconfig.BuildHash | ||
| output.Dirs = extconfig.Get().Dirs() | ||
| output.CurrentInstanceIP = extconfig.Get().Instance.IP | ||
| output.CurrentInstanceIdentifier = extconfig.Get().Instance.Identifier | ||
| return nil | ||
| }) | ||
| u.SetName("root.get_info") | ||
| u.SetTitle("Instances") | ||
| u.SetTags("instances") | ||
| u.SetExpectedErrors(status.Internal) | ||
| return u | ||
| } |
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