feat: initial release

internal/types/roles.go

@@ -0,0 +1,39 @@
+package types
+
+type Role string
+
+const (
+	MasterRole     Role = "master"
+	HostRole       Role = "host"
+	DnsRole        Role = "dns"
+	NameserverRole Role = "ns"
+)
+
+var Roles = []Role{
+	MasterRole,
+	HostRole,
+	DnsRole,
+	NameserverRole,
+}
+
+var Names = func() []Role {
+	o := make([]Role, 0, len(Roles))
+	for _, r := range Roles {
+		o = append(o, r)
+	}
+	return o
+}()
+
+func (r Role) String() string {
+	return string(r)
+}
+
+func Parse(s string) (Role, bool) {
+	for _, r := range Roles {
+		if s == r.String() {
+			return r, true
+		}
+	}
+
+	return "", false
+}