coreos-cloudinit: bump to 0.10.3

network: add support for CIDR addresses Debian routes

coreos-cloudinit.go

@@ -21,7 +21,7 @@ import (
 )
 
 const (
-	version               = "0.10.0"
+	version               = "0.10.3"
 	datasourceInterval    = 100 * time.Millisecond
 	datasourceMaxInterval = 30 * time.Second
 	datasourceTimeout     = 5 * time.Minute
@@ -163,7 +163,7 @@ func main() {
 		os.Exit(1)
 	}
 
-	if ccm != nil {
+	if ccm != nil && flags.convertNetconf != "" {
 		fmt.Printf("Fetching network config from datasource of type %q\n", ds.Type())
 		netconfBytes, err := ds.FetchNetworkConfig(ccm.NetworkConfigPath)
 		if err != nil {

datasource/configdrive/configdrive.go

@@ -42,6 +42,9 @@ func (cd *configDrive) FetchUserdata() ([]byte, error) {
 }
 
 func (cd *configDrive) FetchNetworkConfig(filename string) ([]byte, error) {
+	if filename == "" {
+		return []byte{}, nil
+	}
 	return cd.tryReadFile(path.Join(cd.openstackRoot(), filename))
 }
 

network/stanza.go

@@ -236,7 +236,11 @@ func parseInterfaceStanza(attributes []string, options []string) (*stanzaInterfa
 				for i, field := range fields[:len(fields)-1] {
 					switch field {
 					case "-net":
-						route.destination.IP = net.ParseIP(fields[i+1])
+						if _, dst, err := net.ParseCIDR(fields[i+1]); err == nil {
+							route.destination = *dst
+						} else {
+							route.destination.IP = net.ParseIP(fields[i+1])
+						}
 					case "netmask":
 						route.destination.Mask = net.IPMask(net.ParseIP(fields[i+1]).To4())
 					case "gw":

network/stanza_test.go

@@ -285,31 +285,57 @@ func TestBadParseInterfaceStanzasStaticPostUp(t *testing.T) {
 }
 
 func TestParseInterfaceStanzaStaticPostUp(t *testing.T) {
-	options := []string{
-		"address 192.168.1.100",
-		"netmask 255.255.255.0",
-		"post-up route add gw 192.168.1.1 -net 192.168.1.0 netmask 255.255.255.0",
-	}
-	expect := []route{
+	for _, tt := range []struct {
+		options []string
+		expect  []route
+	}{
 		{
-			destination: net.IPNet{
-				IP:   net.IPv4(192, 168, 1, 0),
-				Mask: net.IPv4Mask(255, 255, 255, 0),
+			options: []string{
+				"address 192.168.1.100",
+				"netmask 255.255.255.0",
+				"post-up route add gw 192.168.1.1 -net 192.168.1.0 netmask 255.255.255.0",
+			},
+			expect: []route{
+				{
+					destination: net.IPNet{
+						IP:   net.IPv4(192, 168, 1, 0),
+						Mask: net.IPv4Mask(255, 255, 255, 0),
+					},
+					gateway: net.IPv4(192, 168, 1, 1),
+				},
 			},
-			gateway: net.IPv4(192, 168, 1, 1),
 		},
-	}
-
-	iface, err := parseInterfaceStanza([]string{"eth", "inet", "static"}, options)
-	if err != nil {
-		t.FailNow()
-	}
-	static, ok := iface.configMethod.(configMethodStatic)
-	if !ok {
-		t.FailNow()
-	}
-	if !reflect.DeepEqual(static.routes, expect) {
-		t.FailNow()
+		{
+			options: []string{
+				"address 192.168.1.100",
+				"netmask 255.255.255.0",
+				"post-up route add gw 192.168.1.1 -net 192.168.1.0/24 || true",
+			},
+			expect: []route{
+				{
+					destination: func() net.IPNet {
+						if _, net, err := net.ParseCIDR("192.168.1.0/24"); err == nil {
+							return *net
+						} else {
+							panic(err)
+						}
+					}(),
+					gateway: net.IPv4(192, 168, 1, 1),
+				},
+			},
+		},
+	} {
+		iface, err := parseInterfaceStanza([]string{"eth", "inet", "static"}, tt.options)
+		if err != nil {
+			t.Fatalf("bad error (%+v): want nil, got %s\n", tt, err)
+		}
+		static, ok := iface.configMethod.(configMethodStatic)
+		if !ok {
+			t.Fatalf("bad config method (%+v): want configMethodStatic, got %T\n", tt, iface.configMethod)
+		}
+		if !reflect.DeepEqual(static.routes, tt.expect) {
+			t.Fatalf("bad routes (%+v): want %#v, got %#v\n", tt, tt.expect, static.routes)
+		}
 	}
 }