github.com/hhrutter/nomad@v0.6.0-rc2.0.20170723054333-80c4b03f0705/client/testutil/docker.go (about)

     1  package testutil
     2  
     3  import (
     4  	"testing"
     5  
     6  	docker "github.com/fsouza/go-dockerclient"
     7  	"github.com/hashicorp/nomad/testutil"
     8  )
     9  
    10  // DockerIsConnected checks to see if a docker daemon is available (local or remote)
    11  func DockerIsConnected(t *testing.T) bool {
    12  	// We have docker on travis so we should try to test
    13  	if testutil.IsTravis() {
    14  		return true
    15  	}
    16  
    17  	client, err := docker.NewClientFromEnv()
    18  	if err != nil {
    19  		return false
    20  	}
    21  
    22  	// Creating a client doesn't actually connect, so make sure we do something
    23  	// like call Version() on it.
    24  	env, err := client.Version()
    25  	if err != nil {
    26  		t.Logf("Failed to connect to docker daemon: %s", err)
    27  		return false
    28  	}
    29  
    30  	t.Logf("Successfully connected to docker daemon running version %s", env.Get("Version"))
    31  	return true
    32  }