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docker.go
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docker.go
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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()
}