From 83edc649d2be5c6c2374262a41ffbc0a582a6231 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@duponchelle.info>
Date: Fri, 13 Feb 2015 20:57:20 +0100
Subject: [PATCH] Rename NVRAM to the correct application id before start the
 server

---
 gns3server/modules/iou/iou_vm.py | 16 ++++++++++++++--
 tests/modules/iou/test_iou_vm.py | 12 ++++++++++++
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/gns3server/modules/iou/iou_vm.py b/gns3server/modules/iou/iou_vm.py
index d0fb4f60..6c6bc02f 100644
--- a/gns3server/modules/iou/iou_vm.py
+++ b/gns3server/modules/iou/iou_vm.py
@@ -30,6 +30,7 @@ import shutil
 import argparse
 import threading
 import configparser
+import glob
 
 from pkg_resources import parse_version
 from .iou_error import IOUError
@@ -333,6 +334,8 @@ class IOUVM(BaseVM):
         self._check_requirements()
         if not self.is_running():
 
+            self._rename_nvram_file()
+
             # TODO: ASYNC
             # self._library_check()
 
@@ -373,6 +376,15 @@ class IOUVM(BaseVM):
             # connections support
             self._start_iouyap()
 
+    def _rename_nvram_file(self):
+        """
+        Before start the VM rename the nvram file to the correct application id
+        """
+
+        destination = os.path.join(self.working_dir, "nvram_{:05d}".format(self.application_id))
+        for file_path in glob.glob(os.path.join(self.working_dir, "nvram_*")):
+            shutil.move(file_path, destination)
+
     def _start_iouyap(self):
         """
         Starts iouyap (handles connections to and from this IOU device).
@@ -670,7 +682,7 @@ class IOUVM(BaseVM):
 
         self._ethernet_adapters.clear()
         for _ in range(0, ethernet_adapters):
-            self._ethernet_adapters.append(EthernetAdapter())
+            self._ethernet_adapters.append(EthernetAdapter(interfaces=4))
 
         log.info("IOU {name} [id={id}]: number of Ethernet adapters changed to {adapters}".format(name=self._name,
                                                                                                   id=self._id,
@@ -696,7 +708,7 @@ class IOUVM(BaseVM):
 
         self._serial_adapters.clear()
         for _ in range(0, serial_adapters):
-            self._serial_adapters.append(SerialAdapter())
+            self._serial_adapters.append(SerialAdapter(interfaces=4))
 
         log.info("IOU {name} [id={id}]: number of Serial adapters changed to {adapters}".format(name=self._name,
                                                                                                 id=self._id,
diff --git a/tests/modules/iou/test_iou_vm.py b/tests/modules/iou/test_iou_vm.py
index 8f8a0181..55ad02a3 100644
--- a/tests/modules/iou/test_iou_vm.py
+++ b/tests/modules/iou/test_iou_vm.py
@@ -85,6 +85,18 @@ def test_start(loop, vm, monkeypatch):
                     assert vm.is_running()
 
 
+def test_rename_nvram_file(loop, vm, monkeypatch):
+    """
+    It should rename the nvram file to the correct name before launching the VM
+    """
+
+    with open(os.path.join(vm.working_dir, "nvram_0000{}".format(vm.application_id + 1)), 'w+') as f:
+        f.write("1")
+
+    vm._rename_nvram_file()
+    assert os.path.exists(os.path.join(vm.working_dir, "nvram_0000{}".format(vm.application_id)))
+
+
 def test_stop(loop, vm):
     process = MagicMock()