Files
fx-serverless/deploy/docker/docker.go

71 lines
1.8 KiB
Go

package docker
import (
"context"
"time"
dockerTypes "github.com/docker/docker/api/types"
runtime "github.com/metrue/fx/container_runtimes/docker/sdk"
"github.com/metrue/fx/deploy"
"github.com/metrue/fx/utils"
)
// Docker manage container
type Docker struct {
client *runtime.Docker
}
// CreateClient create a docker instance
func CreateClient(ctx context.Context) (*Docker, error) {
cli, err := runtime.CreateClient(ctx)
if err != nil {
return nil, err
}
return &Docker{client: cli}, nil
}
// Deploy create a Docker container from given image, and bind the constants.FxContainerExposePort to given port
func (d *Docker) Deploy(ctx context.Context, workdir string, name string, ports []int32) error {
if err := d.client.BuildImage(ctx, workdir, name); err != nil {
return err
}
// config := &dockerTypesContainer.Config{
// Image: image,
// ExposedPorts: nat.PortSet{
// "3000/tcp": struct{}{},
// },
// }
// when deploy a function on a bare Docker running without Kubernetes,
// image would be built on-demand on host locally, so there is no need to
// pull image from remote.
// But it takes some times waiting image ready after image built, we retry to make sure it ready here
var imgInfo dockerTypes.ImageInspect
if err := utils.RunWithRetry(func() error {
return d.client.InspectImage(ctx, name, &imgInfo)
}, time.Second*1, 5); err != nil {
return err
}
return d.client.StartContainer(ctx, name, name, ports)
}
// Update a container
func (d *Docker) Update(ctx context.Context, name string) error {
return nil
}
// Destroy stop and remove container
func (d *Docker) Destroy(ctx context.Context, name string) error {
return d.client.ContainerStop(ctx, name, nil)
}
// GetStatus get status of container
func (d *Docker) GetStatus(ctx context.Context, name string) error {
return nil
}
var (
_ deploy.Deployer = &Docker{}
)