Files
sablier/pkg/provider/docker/start.go
2025-01-13 17:55:43 -05:00

77 lines
2.2 KiB
Go

package docker
import (
"context"
"fmt"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/sablierapp/sablier/pkg/provider"
"github.com/sablierapp/sablier/pkg/sablier"
"time"
)
func (d *DockerProvider) Start(ctx context.Context, name string, opts provider.StartOptions) (err error) {
instance, spec, err := d.InfoWithSpec(ctx, name)
if err != nil {
return fmt.Errorf("failed to get container info: %w", err)
}
if instance.Status == sablier.InstanceReady {
// TODO: Info should not return ready if it does not respect the considerReadyAfter
<-d.considerReadyAfter(spec, opts.ConsiderReadyAfter)
return nil
}
if d.UsePause && spec.State.Paused {
err = d.Client.ContainerUnpause(ctx, name)
if err != nil {
return fmt.Errorf("failed to unpause container: %w", err)
}
}
if d.UseCheckpoint && spec.State.Status == "exited" {
// TODO: List checkpoints, if none, start without checkpoint id
err = d.Client.ContainerStart(ctx, name, container.StartOptions{
CheckpointID: name,
})
if err != nil {
return fmt.Errorf("failed to start container with checkpoint: %w", err)
}
}
return d.start(ctx, name, opts)
}
func (d *DockerProvider) start(ctx context.Context, name string, opts provider.StartOptions) error {
readyCh := d.AfterReady(ctx, name, opts.ConsiderReadyAfter)
err := d.Client.ContainerStart(ctx, name, container.StartOptions{})
if err != nil {
return fmt.Errorf("failed to start container: %w", err)
}
err = <-readyCh
if err != nil {
return err
}
<-time.After(opts.ConsiderReadyAfter)
return nil
}
func (d *DockerProvider) considerReadyAfter(spec types.ContainerJSON, considerReadyAfter time.Duration) <-chan time.Time {
startedAt, err := time.Parse(time.RFC3339Nano, spec.State.StartedAt)
if err != nil {
d.log.Warn().Err(err).Str("name", spec.Name).Msg("unable to parse startedAt, will use current time")
startedAt = time.Now()
}
elapsedTimeSinceReady := time.Since(startedAt)
considerReadyAfter = considerReadyAfter - elapsedTimeSinceReady
d.log.Trace().Str("name", spec.Name).Str("considerReadyAfter", considerReadyAfter.String()).Msg("waiting additional time for container to be considered ready")
return time.After(considerReadyAfter)
}