70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
package task
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import (
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"context"
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"log"
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"github.com/docker/docker/api/types/swarm"
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"github.com/play-with-docker/play-with-docker/docker"
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"github.com/play-with-docker/play-with-docker/event"
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"github.com/play-with-docker/play-with-docker/pwd/types"
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)
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type DockerSwarmStatus struct {
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IsManager bool `json:"is_manager"`
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IsWorker bool `json:"is_worker"`
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Instance string `json:"instance"`
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}
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type checkSwarmStatus struct {
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event event.EventApi
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factory docker.FactoryApi
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}
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var CheckSwarmStatusEvent event.EventType
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func init() {
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CheckSwarmStatusEvent = event.EventType("instance docker swarm status")
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}
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func (t *checkSwarmStatus) Name() string {
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return "CheckSwarmStatus"
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}
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func (t *checkSwarmStatus) Run(ctx context.Context, instance *types.Instance) error {
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dockerClient, err := t.factory.GetForInstance(instance)
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if err != nil {
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log.Println(err)
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return err
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}
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status, err := getDockerSwarmStatus(ctx, dockerClient)
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if err != nil {
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log.Println(err)
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return err
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}
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status.Instance = instance.Name
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t.event.Emit(CheckSwarmStatusEvent, instance.SessionId, status)
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return nil
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}
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func NewCheckSwarmStatus(e event.EventApi, f docker.FactoryApi) *checkSwarmStatus {
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return &checkSwarmStatus{event: e, factory: f}
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}
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func getDockerSwarmStatus(ctx context.Context, client docker.DockerApi) (DockerSwarmStatus, error) {
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status := DockerSwarmStatus{}
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info, err := client.GetDaemonInfo()
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if err != nil {
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return status, err
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}
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if info.Swarm.LocalNodeState != swarm.LocalNodeStateInactive && info.Swarm.LocalNodeState != swarm.LocalNodeStateLocked {
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status.IsManager = info.Swarm.ControlAvailable
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status.IsWorker = !info.Swarm.ControlAvailable
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}
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return status, nil
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}
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