diff --git a/localconfig/host.go b/localconfig/host.go
index eeed076..b304ea4 100644
--- a/localconfig/host.go
+++ b/localconfig/host.go
@@ -11,18 +11,20 @@ type Host struct {
 	MACs []string
 	IPs  []string
 
-	Kernel string
-	Initrd string
-	Layers map[string]string
+	IPXE string
 
-	Config []byte
+	Kernel   string
+	Initrd   string
+	Versions map[string]string
+
+	Config string
 }
 
 func (h *Host) WriteHashDataTo(w io.Writer) error {
 	return yaml.NewEncoder(w).Encode(Host{
-		Kernel: h.Kernel,
-		Initrd: h.Initrd,
-		Layers: h.Layers,
-		Config: h.Config,
+		Kernel:   h.Kernel,
+		Initrd:   h.Initrd,
+		Versions: h.Versions,
+		Config:   h.Config,
 	})
 }
diff --git a/localconfig/localconfig.go b/localconfig/localconfig.go
index 7f6e9fd..56b0b4e 100644
--- a/localconfig/localconfig.go
+++ b/localconfig/localconfig.go
@@ -1,6 +1,7 @@
 package localconfig
 
 import (
+	"io"
 	"io/ioutil"
 	"strings"
 
@@ -8,13 +9,14 @@ import (
 )
 
 type Config struct {
-	Clusters []*Cluster
-	Hosts    []*Host
+	Clusters  []*Cluster
+	Hosts     []*Host
+	SSLConfig string
 }
 
 type Cluster struct {
 	Name   string
-	Addons []byte
+	Addons string
 }
 
 func FromBytes(data []byte) (*Config, error) {
@@ -34,6 +36,19 @@ func FromFile(path string) (*Config, error) {
 	return FromBytes(ba)
 }
 
+func (c *Config) WriteTo(w io.Writer) error {
+	return yaml.NewEncoder(w).Encode(c)
+}
+
+func (c *Config) Cluster(name string) *Cluster {
+	for _, cluster := range c.Clusters {
+		if cluster.Name == name {
+			return cluster
+		}
+	}
+	return nil
+}
+
 func (c *Config) ClusterByName(name string) *Cluster {
 	for _, cluster := range c.Clusters {
 		if cluster.Name == name {
@@ -43,6 +58,15 @@ func (c *Config) ClusterByName(name string) *Cluster {
 	return nil
 }
 
+func (c *Config) Host(name string) *Host {
+	for _, host := range c.Hosts {
+		if host.Name == name {
+			return host
+		}
+	}
+	return nil
+}
+
 func (c *Config) HostByIP(ip string) *Host {
 	for _, host := range c.Hosts {
 		for _, hostIP := range host.IPs {
diff --git a/modd.conf b/modd.conf
new file mode 100644
index 0000000..8679bbf
--- /dev/null
+++ b/modd.conf
@@ -0,0 +1,3 @@
+**/*.go {
+  prep: go test ./...
+}