Merge remote-tracking branch 'origin/master'

gns3server/modules/base_manager.py

@@ -371,3 +371,40 @@ class BaseManager:
             nio = NIOGenericEthernet(nio_settings["ethernet_device"])
         assert nio is not None
         return nio
+
+    def get_abs_image_path(self, path):
+        """
+        Get the absolute path of an image
+
+        :param path: file path
+        :return: file path
+        """
+
+        img_directory = self.get_images_directory()
+
+        if not os.path.isabs(path):
+            s = os.path.split(path)
+            return os.path.normpath(os.path.join(img_directory, *s))
+        return path
+
+    def get_relative_image_path(self, path):
+        """
+        Get a path relative to images directory path
+        or an abspath if the path is not located inside
+        image directory
+
+        :param path: file path
+        :return: file path
+        """
+
+        img_directory = self.get_images_directory()
+        path = self.get_abs_image_path(path)
+        if os.path.dirname(path) == img_directory:
+            return os.path.basename(path)
+        return path
+
+    def get_images_directory(self):
+        """
+        Get the image directory on disk
+        """
+        raise NotImplementedError

gns3server/modules/dynamips/__init__.py

@@ -616,3 +616,9 @@ class Dynamips(BaseManager):
             if was_auto_started:
                 yield from vm.stop()
         return validated_idlepc
+
+    def get_images_directory(self):
+        """
+        Return the full path of the images directory on disk
+        """
+        return os.path.join(os.path.expanduser(self.config.get_section_config("Server").get("images_path", "~/GNS3/images")), "IOS")

gns3server/modules/dynamips/nodes/router.py

@@ -151,10 +151,7 @@ class Router(BaseVM):
                        "system_id": self._system_id}
 
         # return the relative path if the IOS image is in the images_path directory
-        server_config = self.manager.config.get_section_config("Server")
-        relative_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "IOS", self._image)
-        if os.path.exists(relative_image):
-            router_info["image"] = os.path.basename(self._image)
+        router_info["image"] = self.manager.get_relative_image_path(self._image)
 
         # add the slots
         slot_number = 0
@@ -419,9 +416,7 @@ class Router(BaseVM):
         :param image: path to IOS image file
         """
 
-        if not os.path.isabs(image):
-            server_config = self.manager.config.get_section_config("Server")
-            image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "IOS", image)
+        image = self.manager.get_abs_image_path(image)
 
         if not os.path.isfile(image):
             raise DynamipsError("IOS image '{}' is not accessible".format(image))

gns3server/modules/iou/__init__.py

@@ -91,3 +91,9 @@ class IOU(BaseManager):
         """
 
         return os.path.join("iou", "device-{}".format(legacy_vm_id))
+
+    def get_images_directory(self):
+        """
+        Return the full path of the images directory on disk
+        """
+        return os.path.join(os.path.expanduser(self.config.get_section_config("Server").get("images_path", "~/GNS3/images")), "IOU")

gns3server/modules/iou/iou_vm.py

@@ -125,14 +125,7 @@ class IOUVM(BaseVM):
         :param path: path to the IOU image executable
         """
 
-        if not os.path.isabs(path):
-            server_config = self.manager.config.get_section_config("Server")
-            relative_path = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), path)
-            if not os.path.exists(relative_path):
-                relative_path = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "IOU", path)
-            path = relative_path
-
-        self._path = path
+        self._path = self.manager.get_abs_image_path(path)
 
         # In 1.2 users uploaded images to the images roots
         # after the migration their images are inside images/IOU
@@ -219,11 +212,7 @@ class IOUVM(BaseVM):
                        "use_default_iou_values": self._use_default_iou_values}
 
         # return the relative path if the IOU image is in the images_path directory
-        server_config = self.manager.config.get_section_config("Server")
-        relative_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "IOU", self.path)
-        if os.path.exists(relative_image):
-            iou_vm_info["path"] = os.path.basename(self.path)
-
+        iou_vm_info["path"] = self.manager.get_relative_image_path(self.path)
         return iou_vm_info
 
     @property
@@ -975,6 +964,9 @@ class IOUVM(BaseVM):
         try:
             script_file = os.path.join(self.working_dir, "initial-config.cfg")
 
+            if initial_config is None:
+                initial_config = ''
+
             # We disallow erasing the initial config file
             if len(initial_config) == 0 and os.path.exists(script_file):
                 return
@@ -1047,7 +1039,6 @@ class IOUVM(BaseVM):
             raise IOUError("Packet capture is already activated on {adapter_number}/{port_number}".format(adapter_number=adapter_number,
                                                                                                           port_number=port_number))
 
-
         nio.startPacketCapture(output_file, data_link_type)
         log.info('IOU "{name}" [{id}]: starting packet capture on {adapter_number}/{port_number}'.format(name=self._name,
                                                                                                          id=self._id,

gns3server/modules/qemu/__init__.py

@@ -112,3 +112,9 @@ class Qemu(BaseManager):
         """
 
         return os.path.join("qemu", "vm-{}".format(legacy_vm_id))
+
+    def get_images_directory(self):
+        """
+        Return the full path of the images directory on disk
+        """
+        return os.path.join(os.path.expanduser(self.config.get_section_config("Server").get("images_path", "~/GNS3/images")), "QEMU")

gns3server/modules/qemu/qemu_vm.py

@@ -148,14 +148,10 @@ class QemuVM(BaseVM):
         :param hda_disk_image: QEMU hda disk image path
         """
 
-        if not os.path.isabs(hda_disk_image):
-            server_config = self.manager.config.get_section_config("Server")
-            hda_disk_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "QEMU", hda_disk_image)
-
+        self._hda_disk_image = self.manager.get_abs_image_path(hda_disk_image)
         log.info('QEMU VM "{name}" [{id}] has set the QEMU hda disk image path to {disk_image}'.format(name=self._name,
                                                                                                        id=self._id,
-                                                                                                       disk_image=hda_disk_image))
-        self._hda_disk_image = hda_disk_image
+                                                                                                       disk_image=self._hda_disk_image))
 
     @property
     def hdb_disk_image(self):
@@ -175,14 +171,10 @@ class QemuVM(BaseVM):
         :param hdb_disk_image: QEMU hdb disk image path
         """
 
-        if not os.path.isabs(hdb_disk_image):
-            server_config = self.manager.config.get_section_config("Server")
-            hdb_disk_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "QEMU", hdb_disk_image)
-
+        self._hdb_disk_image = self.manager.get_abs_image_path(hdb_disk_image)
         log.info('QEMU VM "{name}" [{id}] has set the QEMU hdb disk image path to {disk_image}'.format(name=self._name,
                                                                                                        id=self._id,
-                                                                                                       disk_image=hdb_disk_image))
-        self._hdb_disk_image = hdb_disk_image
+                                                                                                       disk_image=self._hdb_disk_image))
 
     @property
     def hdc_disk_image(self):
@@ -202,14 +194,10 @@ class QemuVM(BaseVM):
         :param hdc_disk_image: QEMU hdc disk image path
         """
 
-        if not os.path.isabs(hdc_disk_image):
-            server_config = self.manager.config.get_section_config("Server")
-            hdc_disk_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "QEMU", hdc_disk_image)
-
+        self._hdc_disk_image = self.manager.get_abs_image_path(hdc_disk_image)
         log.info('QEMU VM "{name}" [{id}] has set the QEMU hdc disk image path to {disk_image}'.format(name=self._name,
                                                                                                        id=self._id,
-                                                                                                       disk_image=hdc_disk_image))
-        self._hdc_disk_image = hdc_disk_image
+                                                                                                       disk_image=self._hdc_disk_image))
 
     @property
     def hdd_disk_image(self):
@@ -229,14 +217,11 @@ class QemuVM(BaseVM):
         :param hdd_disk_image: QEMU hdd disk image path
         """
 
-        if not os.path.isabs(hdd_disk_image):
-            server_config = self.manager.config.get_section_config("Server")
-            hdd_disk_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "QEMU", hdd_disk_image)
-
+        self._hdd_disk_image = hdd_disk_image
+        self._hdd_disk_image = self.manager.get_abs_image_path(hdd_disk_image)
         log.info('QEMU VM "{name}" [{id}] has set the QEMU hdd disk image path to {disk_image}'.format(name=self._name,
                                                                                                        id=self._id,
-                                                                                                       disk_image=hdd_disk_image))
-        self._hdd_disk_image = hdd_disk_image
+                                                                                                       disk_image=self._hdd_disk_image))
 
     @property
     def adapters(self):
@@ -778,9 +763,9 @@ class QemuVM(BaseVM):
 
         adapter.add_nio(0, nio)
         log.info('QEMU VM "{name}" [{id}]: {nio} added to adapter {adapter_number}'.format(name=self._name,
-                                                                                          id=self._id,
-                                                                                          nio=nio,
-                                                                                          adapter_number=adapter_number))
+                                                                                           id=self._id,
+                                                                                           nio=nio,
+                                                                                           adapter_number=adapter_number))
 
     @asyncio.coroutine
     def adapter_remove_nio_binding(self, adapter_number):
@@ -1068,23 +1053,6 @@ class QemuVM(BaseVM):
         command.extend(self._graphic())
         return command
 
-    def _get_relative_disk_image_path(self, disk_image):
-        """
-        Returns a relative image path if the disk image is in the images directory.
-
-        :param disk_image: path to the disk image
-
-        :returns: relative or full path
-        """
-
-        if disk_image:
-            # return the relative path if the disk image is in the images_path directory
-            server_config = self.manager.config.get_section_config("Server")
-            relative_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), "QEMU", disk_image)
-            if os.path.exists(relative_image):
-                return os.path.basename(disk_image)
-        return disk_image
-
     def __json__(self):
         answer = {
             "project_id": self.project.id,
@@ -1095,11 +1063,11 @@ class QemuVM(BaseVM):
             if field not in answer:
                 answer[field] = getattr(self, field)
 
-        answer["hda_disk_image"] = self._get_relative_disk_image_path(self._hda_disk_image)
-        answer["hdb_disk_image"] = self._get_relative_disk_image_path(self._hdb_disk_image)
-        answer["hdc_disk_image"] = self._get_relative_disk_image_path(self._hdc_disk_image)
-        answer["hdd_disk_image"] = self._get_relative_disk_image_path(self._hdd_disk_image)
-        answer["initrd"] = self._get_relative_disk_image_path(self._initrd)
-        answer["kernel_image"] = self._get_relative_disk_image_path(self._kernel_image)
+        answer["hda_disk_image"] = self.manager.get_relative_image_path(self._hda_disk_image)
+        answer["hdb_disk_image"] = self.manager.get_relative_image_path(self._hdb_disk_image)
+        answer["hdc_disk_image"] = self.manager.get_relative_image_path(self._hdc_disk_image)
+        answer["hdd_disk_image"] = self.manager.get_relative_image_path(self._hdd_disk_image)
+        answer["initrd"] = self.manager.get_relative_image_path(self._initrd)
+        answer["kernel_image"] = self.manager.get_relative_image_path(self._kernel_image)
 
         return answer

gns3server/modules/virtualbox/__init__.py

@@ -41,6 +41,7 @@ class VirtualBox(BaseManager):
 
         super().__init__()
         self._vboxmanage_path = None
+        self._execute_lock = asyncio.Lock()
 
     @property
     def vboxmanage_path(self):
@@ -82,34 +83,38 @@ class VirtualBox(BaseManager):
     @asyncio.coroutine
     def execute(self, subcommand, args, timeout=60):
 
-        vboxmanage_path = self.vboxmanage_path
-        if not vboxmanage_path:
-            vboxmanage_path = self.find_vboxmanage()
-        command = [vboxmanage_path, "--nologo", subcommand]
-        command.extend(args)
-        log.debug("Executing VBoxManage with command: {}".format(command))
-        try:
-            vbox_user = self.config.get_section_config("VirtualBox").get("vbox_user")
-            if vbox_user:
-                # TODO: test & review this part
-                sudo_command = "sudo -i -u {}".format(vbox_user) + " ".join(command)
-                process = yield from asyncio.create_subprocess_shell(sudo_command, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE)
-            else:
-                process = yield from asyncio.create_subprocess_exec(*command, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE)
-        except (OSError, subprocess.SubprocessError) as e:
-            raise VirtualBoxError("Could not execute VBoxManage: {}".format(e))
+        # We use a lock prevent parallel execution due to strange errors
+        # reported by a user and reproduced by us.
+        # https://github.com/GNS3/gns3-gui/issues/261
+        with (yield from self._execute_lock):
+            vboxmanage_path = self.vboxmanage_path
+            if not vboxmanage_path:
+                vboxmanage_path = self.find_vboxmanage()
+            command = [vboxmanage_path, "--nologo", subcommand]
+            command.extend(args)
+            log.debug("Executing VBoxManage with command: {}".format(command))
+            try:
+                vbox_user = self.config.get_section_config("VirtualBox").get("vbox_user")
+                if vbox_user:
+                    # TODO: test & review this part
+                    sudo_command = "sudo -i -u {}".format(vbox_user) + " ".join(command)
+                    process = yield from asyncio.create_subprocess_shell(sudo_command, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE)
+                else:
+                    process = yield from asyncio.create_subprocess_exec(*command, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE)
+            except (OSError, subprocess.SubprocessError) as e:
+                raise VirtualBoxError("Could not execute VBoxManage: {}".format(e))
 
-        try:
-            stdout_data, stderr_data = yield from asyncio.wait_for(process.communicate(), timeout=timeout)
-        except asyncio.TimeoutError:
-            raise VirtualBoxError("VBoxManage has timed out after {} seconds!".format(timeout))
+            try:
+                stdout_data, stderr_data = yield from asyncio.wait_for(process.communicate(), timeout=timeout)
+            except asyncio.TimeoutError:
+                raise VirtualBoxError("VBoxManage has timed out after {} seconds!".format(timeout))
 
-        if process.returncode:
-            # only the first line of the output is useful
-            vboxmanage_error = stderr_data.decode("utf-8", errors="ignore")
-            raise VirtualBoxError("VirtualBox has returned an error: {}".format(vboxmanage_error))
+            if process.returncode:
+                # only the first line of the output is useful
+                vboxmanage_error = stderr_data.decode("utf-8", errors="ignore")
+                raise VirtualBoxError("VirtualBox has returned an error: {}".format(vboxmanage_error))
 
-        return stdout_data.decode("utf-8", errors="ignore").splitlines()
+            return stdout_data.decode("utf-8", errors="ignore").splitlines()
 
     @asyncio.coroutine
     def get_list(self):

gns3server/modules/virtualbox/virtualbox_vm.py

@@ -105,9 +105,10 @@ class VirtualBoxVM(BaseVM):
 
         results = yield from self.manager.execute("showvminfo", [self._vmname, "--machinereadable"])
         for info in results:
-            name, value = info.split('=', 1)
-            if name == "VMState":
-                return value.strip('"')
+            if '=' in info:
+                name, value = info.split('=', 1)
+                if name == "VMState":
+                    return value.strip('"')
         raise VirtualBoxError("Could not get VM state for {}".format(self._vmname))
 
     @asyncio.coroutine
@@ -139,6 +140,8 @@ class VirtualBoxVM(BaseVM):
     def create(self):
 
         yield from self._get_system_properties()
+        if "API version" not in self._system_properties:
+            raise VirtualBoxError("Can't access to VirtualBox API Version")
         if parse_version(self._system_properties["API version"]) < parse_version("4_3"):
             raise VirtualBoxError("The VirtualBox API version is lower than 4.3")
         log.info("VirtualBox VM '{name}' [{id}] created".format(name=self.name, id=self.id))