Add support for amazon linux 2

libmachine/provision/amazon2.go

@@ -0,0 +1,25 @@
+package provision
+
+import (
+	"github.com/docker/machine/libmachine/drivers"
+)
+
+func init() {
+	Register("Amazon2", &RegisteredProvisioner{
+		New: NewAmazon2Provisioner,
+	})
+}
+
+func NewAmazon2Provisioner(d drivers.Driver) Provisioner {
+	return &Amazon2Provisioner{
+		NewRedHatProvisioner("amazon2", d),
+	}
+}
+
+type Amazon2Provisioner struct {
+	*RedHatProvisioner
+}
+
+func (provisioner *Amazon2Provisioner) String() string {
+	return "amazon2"
+}

libmachine/provision/os_release_test.go

@@ -57,6 +57,17 @@ PRETTY_NAME="Fedora 23 (Twenty Three)"
 ANSI_COLOR="0;34"
 HOME_URL="https://fedoraproject.org/"
 BUG_REPORT_URL="https://bugzilla.redhat.com/"
+`)
+
+		amazon2 = []byte(`NAME="Amazon Linux"
+VERSION="2"
+ID="amzn"
+ID_LIKE="centos rhel fedora"
+VERSION_ID="2"
+PRETTY_NAME="Amazon Linux 2"
+ANSI_COLOR="0;33"
+CPE_NAME="cpe:2.3:o:amazon:amazon_linux:2"
+HOME_URL="https://amazonlinux.com/"
 `)
 	)
 
@@ -168,6 +179,27 @@ BUG_REPORT_URL="https://bugzilla.redhat.com/"
 	if !reflect.DeepEqual(*osr, expectedOsr) {
 		t.Fatal("Error with fedora osr parsing: structs do not match")
 	}
+
+        osr, err = NewOsRelease(amazon2)
+        if err != nil {
+                t.Fatalf("Unexpected error parsing os release: %s", err)
+        }
+
+        expectedOsr = OsRelease{
+                Name:         "Amazon Linux",
+                Version:      "2",
+                ID:           "amzn",
+                IDLike:       "centos rhel fedora",
+                PrettyName:   "Amazon Linux 2",
+                AnsiColor:    "0;33",
+                VersionID:    "2",
+                HomeURL:      "https://amazonlinux.com/",
+        }
+
+        if !reflect.DeepEqual(*osr, expectedOsr) {
+                t.Fatal("Error with amazon2 osr parsing: structs do not match")
+        }
+
 }
 
 func TestParseLine(t *testing.T) {