Hostname management refactoring.

gns3server/modules/dynamips/backends/atmsw.py

@@ -49,10 +49,9 @@ class ATMSW(object):
         """
 
         # validate the request
-        if request and not self.validate_request(request, ATMSW_CREATE_SCHEMA):
+        if not self.validate_request(request, ATMSW_CREATE_SCHEMA):
             return
 
-
         name = request["name"]
         try:
             if not self._hypervisor_manager:

gns3server/modules/dynamips/backends/ethhub.py

@@ -48,7 +48,7 @@ class ETHHUB(object):
         """
 
         # validate the request
-        if request and not self.validate_request(request, ETHHUB_CREATE_SCHEMA):
+        if not self.validate_request(request, ETHHUB_CREATE_SCHEMA):
             return
 
         name = request["name"]

gns3server/modules/dynamips/backends/ethsw.py

@@ -48,7 +48,7 @@ class ETHSW(object):
         """
 
         # validate the request
-        if request and not self.validate_request(request, ETHSW_CREATE_SCHEMA):
+        if not self.validate_request(request, ETHSW_CREATE_SCHEMA):
             return
 
         name = request["name"]

gns3server/modules/dynamips/backends/frsw.py

@@ -48,7 +48,7 @@ class FRSW(object):
         """
 
         # validate the request
-        if request and not self.validate_request(request, FRSW_CREATE_SCHEMA):
+        if not self.validate_request(request, FRSW_CREATE_SCHEMA):
             return
 
         name = request["name"]

gns3server/modules/dynamips/nodes/atm_bridge.py

@@ -33,6 +33,7 @@ class ATMBridge(object):
 
     def __init__(self, hypervisor, name):
 
+        #FIXME: instance tracking
         self._hypervisor = hypervisor
         self._name = '"' + name + '"'  # put name into quotes to protect spaces
         self._hypervisor.send("atm_bridge create {}".format(self._name))

gns3server/modules/dynamips/nodes/atm_switch.py

@@ -34,20 +34,21 @@ class ATMSwitch(object):
     :param name: name for this switch
     """
 
-    _allocated_names = []
-    _instance_count = 1
+    _instances = []
 
     def __init__(self, hypervisor, name):
 
-        # check if the name is already taken
-        if name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another ATM switch'.format(name))
+        # find an instance identifier (0 < id <= 4096)
+        self._id = 0
+        for identifier in range(1, 4097):
+            if identifier not in self._instances:
+                self._id = identifier
+                self._instances.append(self._id)
+                break
 
-        # create an unique ID
-        self._id = ATMSwitch._instance_count
-        ATMSwitch._instance_count += 1
+        if self._id == 0:
+            raise DynamipsError("Maximum number of instances reached")
 
-        self._allocated_names.append(name)
         self._hypervisor = hypervisor
         self._name = '"' + name + '"'  # put name into quotes to protect spaces
         self._hypervisor.send("atmsw create {}".format(self._name))
@@ -62,11 +63,10 @@ class ATMSwitch(object):
     @classmethod
     def reset(cls):
         """
-        Resets the instance count and the allocated names list.
+        Resets the instance count and the allocated instances list.
         """
 
-        cls._instance_count = 1
-        cls._allocated_names.clear()
+        cls._instances.clear()
 
     @property
     def id(self):
@@ -96,11 +96,6 @@ class ATMSwitch(object):
         :param new_name: New name for this switch
         """
 
-        # check if the name is already taken
-        if new_name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another ATM switch'.format(new_name))
-
-        new_name_no_quotes = new_name
         new_name = '"' + new_name + '"'  # put the new name into quotes to protect spaces
         self._hypervisor.send("atmsw rename {name} {new_name}".format(name=self._name,
                                                                       new_name=new_name))
@@ -109,9 +104,7 @@ class ATMSwitch(object):
                                                                              id=self._id,
                                                                              new_name=new_name))
 
-        self._allocated_names.remove(self.name)
         self._name = new_name
-        self._allocated_names.append(new_name_no_quotes)
 
     @property
     def hypervisor(self):
@@ -162,7 +155,7 @@ class ATMSwitch(object):
         log.info("ATM switch {name} [id={id}] has been deleted".format(name=self._name,
                                                                        id=self._id))
         self._hypervisor.devices.remove(self)
-        self._allocated_names.remove(self.name)
+        self._instances.remove(self._id)
 
     def has_port(self, port):
         """

gns3server/modules/dynamips/nodes/bridge.py

@@ -31,12 +31,9 @@ class Bridge(object):
     :param name: name for this bridge
     """
 
-    _allocated_names = []
-
     def __init__(self, hypervisor, name):
 
         self._hypervisor = hypervisor
-        self._allocated_names.append(name)
         self._name = '"' + name + '"'  # put name into quotes to protect spaces
         self._hypervisor.send("nio_bridge create {}".format(self._name))
         self._hypervisor.devices.append(self)
@@ -60,18 +57,11 @@ class Bridge(object):
         :param new_name: New name for this bridge
         """
 
-        # check if the name is already taken
-        if new_name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another bridge'.format(new_name))
-
-        new_name_no_quotes = new_name
         new_name = '"' + new_name + '"'  # put the new name into quotes to protect spaces
         self._hypervisor.send("nio_bridge rename {name} {new_name}".format(name=self._name,
                                                                            new_name=new_name))
 
-        self._allocated_names.remove(self.name)
         self._name = new_name
-        self._allocated_names.append(new_name_no_quotes)
 
     @property
     def hypervisor(self):
@@ -109,7 +99,6 @@ class Bridge(object):
 
         self._hypervisor.send("nio_bridge delete {}".format(self._name))
         self._hypervisor.devices.remove(self)
-        self._allocated_names.remove(self.name)
 
     def add_nio(self, nio):
         """

gns3server/modules/dynamips/nodes/ethernet_switch.py

@@ -34,20 +34,21 @@ class EthernetSwitch(object):
     :param name: name for this switch
     """
 
-    _allocated_names = []
-    _instance_count = 1
+    _instances = []
 
     def __init__(self, hypervisor, name):
 
-        # check if the name is already taken
-        if name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another Ethernet switch'.format(name))
+         # find an instance identifier (0 < id <= 4096)
+        self._id = 0
+        for identifier in range(1, 4097):
+            if identifier not in self._instances:
+                self._id = identifier
+                self._instances.append(self._id)
+                break
 
-        # create an unique ID
-        self._id = EthernetSwitch._instance_count
-        EthernetSwitch._instance_count += 1
+        if self._id == 0:
+            raise DynamipsError("Maximum number of instances reached")
 
-        self._allocated_names.append(name)
         self._hypervisor = hypervisor
         self._name = '"' + name + '"'  # put name into quotes to protect spaces
         self._hypervisor.send("ethsw create {}".format(self._name))
@@ -62,11 +63,10 @@ class EthernetSwitch(object):
     @classmethod
     def reset(cls):
         """
-        Resets the instance count and the allocated names list.
+        Resets the instance count and the allocated instances list.
         """
 
-        cls._instance_count = 1
-        cls._allocated_names.clear()
+        cls._instances.clear()
 
     @property
     def id(self):
@@ -96,10 +96,6 @@ class EthernetSwitch(object):
         :param new_name: New name for this switch
         """
 
-        if new_name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another Ethernet switch'.format(new_name))
-
-        new_name_no_quotes = new_name
         new_name = '"' + new_name + '"'  # put the new name into quotes to protect spaces
         self._hypervisor.send("ethsw rename {name} {new_name}".format(name=self._name,
                                                                       new_name=new_name))
@@ -108,9 +104,7 @@ class EthernetSwitch(object):
                                                                                   id=self._id,
                                                                                   new_name=new_name))
 
-        self._allocated_names.remove(self.name)
         self._name = new_name
-        self._allocated_names.append(new_name_no_quotes)
 
     @property
     def hypervisor(self):
@@ -161,7 +155,7 @@ class EthernetSwitch(object):
         log.info("Ethernet switch {name} [id={id}] has been deleted".format(name=self._name,
                                                                             id=self._id))
         self._hypervisor.devices.remove(self)
-        self._allocated_names.remove(self.name)
+        self._instances.remove(self._id)
 
     def add_nio(self, nio, port):
         """

gns3server/modules/dynamips/nodes/frame_relay_switch.py

@@ -34,20 +34,21 @@ class FrameRelaySwitch(object):
     :param name: name for this switch
     """
 
-    _allocated_names = []
-    _instance_count = 1
+    _instances = []
 
     def __init__(self, hypervisor, name):
 
-        # check if the name is already taken
-        if name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another Frame Relay switch'.format(name))
+        # find an instance identifier (0 < id <= 4096)
+        self._id = 0
+        for identifier in range(1, 4097):
+            if identifier not in self._instances:
+                self._id = identifier
+                self._instances.append(self._id)
+                break
 
-        # create an unique ID
-        self._id = FrameRelaySwitch._instance_count
-        FrameRelaySwitch._instance_count += 1
+        if self._id == 0:
+            raise DynamipsError("Maximum number of instances reached")
 
-        self._allocated_names.append(name)
         self._hypervisor = hypervisor
         self._name = '"' + name + '"'  # put name into quotes to protect spaces
         self._hypervisor.send("frsw create {}".format(self._name))
@@ -62,11 +63,10 @@ class FrameRelaySwitch(object):
     @classmethod
     def reset(cls):
         """
-        Resets the instance count and the allocated names list.
+        Resets the instance count and the allocated instances list.
         """
 
-        cls._instance_count = 1
-        cls._allocated_names.clear()
+        cls._instances.clear()
 
     @property
     def id(self):
@@ -96,10 +96,6 @@ class FrameRelaySwitch(object):
         :param new_name: New name for this switch
         """
 
-        if new_name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another Frame Relay switch'.format(new_name))
-
-        new_name_no_quotes = new_name
         new_name = '"' + new_name + '"'  # put the new name into quotes to protect spaces
         self._hypervisor.send("frsw rename {name} {new_name}".format(name=self._name,
                                                                      new_name=new_name))
@@ -108,9 +104,7 @@ class FrameRelaySwitch(object):
                                                                                      id=self._id,
                                                                                      new_name=new_name))
 
-        self._allocated_names.remove(self.name)
         self._name = new_name
-        self._allocated_names.append(new_name_no_quotes)
 
     @property
     def hypervisor(self):
@@ -161,7 +155,7 @@ class FrameRelaySwitch(object):
         log.info("Frame Relay switch {name} [id={id}] has been deleted".format(name=self._name,
                                                                                id=self._id))
         self._hypervisor.devices.remove(self)
-        self._allocated_names.remove(self.name)
+        self._instances.remove(self._id)
 
     def has_port(self, port):
         """

gns3server/modules/dynamips/nodes/hub.py

@@ -34,17 +34,20 @@ class Hub(Bridge):
     :param name: name for this hub
     """
 
-    _instance_count = 1
+    _instances = []
 
     def __init__(self, hypervisor, name):
 
-        # check if the name is already taken
-        if name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another Ethernet hub'.format(name))
+        # find an instance identifier (0 < id <= 4096)
+        self._id = 0
+        for identifier in range(1, 4097):
+            if identifier not in self._instances:
+                self._id = identifier
+                self._instances.append(self._id)
+                break
 
-        # create an unique ID
-        self._id = Hub._instance_count
-        Hub._instance_count += 1
+        if self._id == 0:
+            raise DynamipsError("Maximum number of instances reached")
 
         self._mapping = {}
         Bridge.__init__(self, hypervisor, name)
@@ -55,11 +58,10 @@ class Hub(Bridge):
     @classmethod
     def reset(cls):
         """
-        Resets the instance count and the allocated names list.
+        Resets the instance count and the allocated instances list.
         """
 
-        cls._instance_count = 1
-        cls._allocated_names.clear()
+        cls._instances.clear()
 
     @property
     def id(self):
@@ -89,6 +91,7 @@ class Hub(Bridge):
         Bridge.delete(self)
         log.info("Ethernet hub {name} [id={id}] has been deleted".format(name=self._name,
                                                                          id=self._id))
+        self._instances.remove(self._id)
 
     def add_nio(self, nio, port):
         """

gns3server/modules/dynamips/nodes/router.py

@@ -41,10 +41,9 @@ class Router(object):
     :param ghost_flag: used when creating a ghost IOS.
     """
 
-    _allocated_names = []
+    _instances = []
     _allocated_console_ports = []
     _allocated_aux_ports = []
-    _instance_count = 1
     _status = {0: "inactive",
                1: "shutting down",
                2: "running",
@@ -54,20 +53,22 @@ class Router(object):
 
         if not ghost_flag:
 
-            # check if the name is already taken
-            if name in self._allocated_names:
-                raise DynamipsError('Name "{}" is already used by another router'.format(name))
+            # find an instance identifier (0 < id <= 4096)
+            self._id = 0
+            for identifier in range(1, 4097):
+                if identifier not in self._instances:
+                    self._id = identifier
+                    self._instances.append(self._id)
+                    break
 
-            # create an unique ID
-            self._id = Router._instance_count
-            Router._instance_count += 1
+            if self._id == 0:
+                raise DynamipsError("Maximum number of instances reached")
 
         else:
             log.info("creating a new ghost IOS file")
             self._id = 0
             name = "Ghost"
 
-        self._allocated_names.append(name)
         self._hypervisor = hypervisor
         self._name = '"' + name + '"'  # put name into quotes to protect spaces
         self._platform = platform
@@ -140,11 +141,10 @@ class Router(object):
     @classmethod
     def reset(cls):
         """
-        Resets the instance count and the allocated names list.
+        Resets the instance count and the allocated instances list.
         """
 
-        cls._instance_count = 1
-        cls._allocated_names.clear()
+        cls._instances.clear()
         cls._allocated_console_ports.clear()
         cls._allocated_aux_ports.clear()
 
@@ -218,9 +218,6 @@ class Router(object):
         :param new_name: new name string
         """
 
-        if new_name in self._allocated_names:
-            raise DynamipsError('Name "{}" is already used by another router'.format(new_name))
-
         if self._startup_config:
             # change the hostname in the startup-config
             startup_config_path = os.path.join(self.hypervisor.working_dir, "configs", "{}.cfg".format(self.name))
@@ -261,10 +258,7 @@ class Router(object):
         log.info("router {name} [id={id}]: renamed to {new_name}".format(name=self._name,
                                                                          id=self._id,
                                                                          new_name=new_name))
-
-        self._allocated_names.remove(self.name)
         self._name = new_name
-        self._allocated_names.append(new_name_no_quotes)
 
     @property
     def platform(self):
@@ -312,9 +306,9 @@ class Router(object):
 
         self._hypervisor.send("vm delete {}".format(self._name))
         self._hypervisor.devices.remove(self)
-
         log.info("router {name} [id={id}] has been deleted".format(name=self._name, id=self._id))
-        self._allocated_names.remove(self.name)
+        if self._id in self._instances:
+            self._instances.remove(self._id)
         if self.console:
             self._allocated_console_ports.remove(self.console)
         if self.aux:
@@ -341,7 +335,8 @@ class Router(object):
                 os.remove(private_config_path)
 
         log.info("router {name} [id={id}] has been deleted (including associated files)".format(name=self._name, id=self._id))
-        self._allocated_names.remove(self.name)
+        if self._id in self._instances:
+            self._instances.remove(self._id)
         if self.console:
             self._allocated_console_ports.remove(self.console)
         if self.aux:

gns3server/modules/iou/__init__.py

@@ -315,7 +315,7 @@ class IOU(IModule):
         if not self.validate_request(request, IOU_CREATE_SCHEMA):
             return
 
-        name = request.get("name")
+        name = request["name"]
         console = request.get("console")
         iou_path = request["path"]
 
@@ -327,10 +327,10 @@ class IOU(IModule):
             except OSError as e:
                 raise IOUError("Could not create working directory {}".format(e))
 
-            iou_instance = IOUDevice(iou_path,
+            iou_instance = IOUDevice(name,
+                                     iou_path,
                                      self._working_dir,
                                      self._host,
-                                     name,
                                      console,
                                      self._console_start_port_range,
                                      self._console_end_port_range)

gns3server/modules/iou/iou_device.py

@@ -58,10 +58,11 @@ class IOUDevice(object):
     _instances = []
     _allocated_console_ports = []
 
-    def __init__(self, path,
+    def __init__(self,
+                 name,
+                 path,
                  working_dir,
                  host="127.0.0.1",
-                 name=None,
                  console=None,
                  console_start_port_range=4001,
                  console_end_port_range=4512):
@@ -77,10 +78,7 @@ class IOUDevice(object):
         if self._id == 0:
             raise IOUError("Maximum number of IOU instances reached")
 
-        if name:
-            self._name = name
-        else:
-            self._name = "IOU{}".format(self._id)
+        self._name = name
         self._path = path
         self._iourc = ""
         self._iouyap = ""

gns3server/modules/iou/schemas.py

@@ -39,7 +39,7 @@ IOU_CREATE_SCHEMA = {
         }
     },
     "additionalProperties": False,
-    "required": ["path"],
+    "required": ["name", "path"],
 }
 
 IOU_DELETE_SCHEMA = {

gns3server/modules/vpcs/__init__.py

@@ -211,8 +211,10 @@ class VPCS(IModule):
         """
         Creates a new VPCS instance.
 
-        Optional request parameters:
+        Mandatory request parameters:
         - name (VPCS name)
+
+        Optional request parameters:
         - console (VPCS console port)
 
         Response parameters:
@@ -224,13 +226,11 @@ class VPCS(IModule):
         """
 
         # validate the request
-        if request and not self.validate_request(request, VPCS_CREATE_SCHEMA):
+        if not self.validate_request(request, VPCS_CREATE_SCHEMA):
             return
 
-        name = console = None
-        if request:
-            name = request.get("name")
-            console = request.get("console")
+        name = request["name"]
+        console = request.get("console")
 
         try:
             try:
@@ -243,10 +243,10 @@ class VPCS(IModule):
             if not self._vpcs:
                 raise VPCSError("No path to a VPCS executable has been set")
 
-            vpcs_instance = VPCSDevice(self._vpcs,
+            vpcs_instance = VPCSDevice(name,
+                                       self._vpcs,
                                        self._working_dir,
                                        self._host,
-                                       name,
                                        console,
                                        self._console_start_port_range,
                                        self._console_end_port_range)

gns3server/modules/vpcs/schemas.py

@@ -34,6 +34,7 @@ VPCS_CREATE_SCHEMA = {
         },
     },
     "additionalProperties": False,
+    "required": ["name"]
 }
 
 VPCS_DELETE_SCHEMA = {

gns3server/modules/vpcs/vpcs_device.py

@@ -53,10 +53,10 @@ class VPCSDevice(object):
     _allocated_console_ports = []
 
     def __init__(self,
+                 name,
                  path,
                  working_dir,
                  host="127.0.0.1",
-                 name=None,
                  console=None,
                  console_start_port_range=4512,
                  console_end_port_range=5000):

gns3server/version.py

@@ -23,5 +23,5 @@
 # or negative for a release candidate or beta (after the base version
 # number has been incremented)
 
-__version__ = "1.0a6.dev2"
+__version__ = "1.0a6.dev3"
 __version_info__ = (1, 0, 0, -99)