Print a warning for Boot2Docker v1.9.1, which is known to have an issue with AUFS (moby/moby#18180)

AkihiroSuda · AkihiroSuda · commit 51a30db7a274 · 2015-12-29T11:50:26.000Z
Signed-off-by: Akihiro Suda &lt;suda.akihiro@lab.ntt.co.jp&gt;
diff --git a/libmachine/mcnutils/b2d.go b/libmachine/mcnutils/b2d.go
@@ -34,6 +34,12 @@ var (
 You may be getting rate limited by Github.`)
 )
 
+var (
+	AUFSBugB2DVersions = map[string]string{
+		"v1.9.1": "https://github.com/docker/docker/issues/18180",
+	}
+)
+
 func defaultTimeout(network, addr string) (net.Conn, error) {
 	return net.Dial(network, addr)
 }
@@ -144,6 +150,14 @@ func (b *b2dReleaseGetter) getReleaseURL(apiURL string) (string, error) {
 	}
 
 	log.Infof("Latest release for %s/%s/%s is %s", host, org, repo, tag)
+	bugURL, ok := AUFSBugB2DVersions[tag]
+	if ok {
+		log.Warnf(`
+Boot2Docker %s has a known issue with AUFS.
+See here for more details: %s
+Consider specifying another storage driver (e.g. 'overlay') using '--engine-storage-driver' instead.
+`, tag, bugURL)
+	}
 	url := fmt.Sprintf("%s://%s/%s/%s/releases/download/%s/%s", scheme, host, org, repo, tag, b.isoFilename)
 	return url, nil
 }
