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envase.go
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envase.go
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package envase
import (
"context"
"github.com/arielizuardi/envase/provider"
"github.com/arielizuardi/envase/provider/docker"
"github.com/docker/docker/client"
)
// ContainerContract defines container interface
type ContainerContract interface {
Start() error
Stop() error
}
type container struct {
ContainerID string
Image provider.ImageProvider
}
func (dc *container) Start() error {
hasImage, err := dc.Image.Has()
if err != nil {
return err
}
if !hasImage {
err = dc.Image.Pull()
if err != nil {
return err
}
}
imageCreated, imageRunning, containerID, err := dc.Image.Status()
if err != nil {
return err
}
if !imageCreated {
dc.ContainerID, err = dc.Image.Create()
containerID = dc.ContainerID
if err != nil {
return err
}
}
if !imageRunning {
if err := dc.Image.Start(containerID); err != nil {
return err
}
}
return nil
}
func (dc *container) Stop() error {
return dc.Image.Stop(dc.ContainerID)
}
// NewDefaultContainer returns new instance of default container
func NewDefaultContainer(imageProvider provider.ImageProvider, containerID string) ContainerContract {
return &container{Image: imageProvider, ContainerID: containerID}
}
// NewDockerContainer returns new instance of dockerContainer
func NewDockerContainer(ctx context.Context, dockerClient *client.Client, imageName string, host string, containerPort string, exposedPort string, containerName string, envConfig []string) ContainerContract {
imageProvider := docker.NewDockerImageProvider(ctx, dockerClient, imageName, host, containerPort, exposedPort, containerName, envConfig)
return &container{
Image: imageProvider,
ContainerID: ``,
}
}