package util import ( dockerClient "github.com/fsouza/go-dockerclient" "github.com/golang/glog" ) // RequireDocker ensures that a new docker client can be created and that a ListImages command can be run on the client // or it fails with glog.Fatal func RequireDocker() { client, err := NewDockerClient() if err != nil { glog.Fatalf("unable to create docker client for testing: %v", err) } //simple test to make sure you can take action with the client _, err = client.ListImages(dockerClient.ListImagesOptions{All: false}) if err != nil { glog.Fatalf("unable to create docker client for testing: %v", err) } } // newDockerClient creates a docker client using the env var DOCKER_ENDPOINT or, if not supplied, uses the default // docker endpoint /var/run/docker.sock func NewDockerClient() (*dockerClient.Client, error) { return dockerClient.NewClientFromEnv() }