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docker_client.go
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/
docker_client.go
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package mcndockerclient
import (
"fmt"
"github.com/docker/machine/libmachine/cert"
"github.com/samalba/dockerclient"
)
// DockerClient creates a docker client for a given host.
func DockerClient(dockerHost DockerHost) (*dockerclient.DockerClient, error) {
url, err := dockerHost.URL()
if err != nil {
return nil, err
}
tlsConfig, err := cert.ReadTLSConfig(url, dockerHost.AuthOptions())
if err != nil {
return nil, fmt.Errorf("Unable to read TLS config: %s", err)
}
return dockerclient.NewDockerClient(url, tlsConfig)
}
// CreateContainer creates a docker container.
func CreateContainer(dockerHost DockerHost, config *dockerclient.ContainerConfig, name string) error {
docker, err := DockerClient(dockerHost)
if err != nil {
return err
}
if err = docker.PullImage(config.Image, nil); err != nil {
return fmt.Errorf("Unable to pull image: %s", err)
}
var authConfig *dockerclient.AuthConfig
containerID, err := docker.CreateContainer(config, name, authConfig)
if err != nil {
return fmt.Errorf("Error while creating container: %s", err)
}
if err = docker.StartContainer(containerID, &config.HostConfig); err != nil {
return fmt.Errorf("Error while starting container: %s", err)
}
return nil
}