open-nomad/client/testutil/docker.go

49 lines
1.1 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package testutil
import (
"runtime"
"testing"
docker "github.com/fsouza/go-dockerclient"
"github.com/hashicorp/nomad/testutil"
)
// DockerIsConnected checks to see if a docker daemon is available (local or remote)
func DockerIsConnected(t *testing.T) bool {
// We have docker on travis so we should try to test
if testutil.IsTravis() {
// Travis supports Docker on Linux only; MacOS setup does not support Docker
return runtime.GOOS == "linux"
}
if testutil.IsAppVeyor() {
return runtime.GOOS == "windows"
}
client, err := docker.NewClientFromEnv()
if err != nil {
return false
}
// Creating a client doesn't actually connect, so make sure we do something
// like call Version() on it.
env, err := client.Version()
if err != nil {
t.Logf("Failed to connect to docker daemon: %s", err)
return false
}
t.Logf("Successfully connected to docker daemon running version %s", env.Get("Version"))
return true
}
// DockerCompatible skips tests if docker is not present
func DockerCompatible(t *testing.T) {
if !DockerIsConnected(t) {
t.Skip("Docker not connected")
}
}