Add API call to create a new iohyve guest

REST Request:
-------------------------------
PUT /sysadm/iohyve
{
   "action" : "create",
   "name" : "bsdguest",
   "size" : "10G"
}

WebSocket Request:
-------------------------------
{
   "name" : "iohyve",
   "namespace" : "sysadm",
   "id" : "fooid",
   "args" : {
      "name" : "bsdguest",
      "action" : "create",
      "size" : "10G"
   }
}

Response:
-------------------------------
{
  "args": {
    "create": {
      "name": "bsdguest",
      "size": "10G"
    }
  },
  "id": "fooid",
  "name": "response",
  "namespace": "sysadm"
}

src/server/WebBackend.cpp

@@ -501,6 +501,10 @@ RestOutputStruct::ExitCode WebSocket::EvaluateSysadmIohyveRequest(const QJsonVal
     bool ok = false;
     if(keys.contains("action")){
       QString act = JsonValueToString(in_args.toObject().value("action"));
+      if(act=="create"){
+	ok = true;
+        out->insert("create", sysadm::Iohyve::createGuest(in_args.toObject()));
+      }
       if(act=="listvms"){
 	ok = true;
         out->insert("listvms", sysadm::Iohyve::listVMs());

src/server/library/sysadm-iohyve.cpp

@@ -13,6 +13,36 @@
 using namespace sysadm;
 
 //PLEASE: Keep the functions in the same order as listed in pcbsd-general.h
+
+// Create a new guest VM
+QJsonObject Iohyve::createGuest(QJsonObject jsin) {
+  QJsonObject retObject;
+
+  QStringList keys = jsin.keys();
+  if (! keys.contains("name") || !keys.contains("size") ) {
+    retObject.insert("error", "Missing required key(s) 'name/size'");
+    return retObject;
+  }
+
+  // Get the key values
+  QString name = jsin.value("name").toString();
+  QString size = jsin.value("size").toString();
+
+  QStringList output = General::RunCommand("iohyve create " + name + " " + size).split("\n");
+  for ( int i = 0; i < output.size(); i++)
+  {
+    if ( output.at(i).indexOf("cannot create") != -1 ) {
+      retObject.insert("error", output.at(i));
+      return retObject;
+    }
+  }
+
+  // Return some details to user that the action was queued
+  retObject.insert("name", name);
+  retObject.insert("size", size);
+  return retObject;
+}
+
 // Queue the fetch of an ISO
 QJsonObject Iohyve::fetchISO(QJsonObject jsin) {
   QJsonObject retObject;

src/server/library/sysadm-iohyve.h

@@ -14,6 +14,7 @@ namespace sysadm{
 
 class Iohyve{
 public:
+	static QJsonObject createGuest(QJsonObject);
 	static QJsonObject fetchISO(QJsonObject);
 	static QJsonObject isSetup();
 	static QJsonObject listVMs();