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Restore device IDs and fixes race condition when converting an old project.

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This commit is contained in:
grossmj 2015-03-01 13:05:51 -07:00
parent 5ae8728ee6
commit 7223005acd
3 changed files with 23 additions and 19 deletions
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27
gns3server/modules/base_manager.py
View File

@ -150,47 +150,45 @@ class BaseManager:
return vm
@asyncio.coroutine
def _convert_old_project(self, project, legacy_id, name):
def convert_old_project(self, project, legacy_id, name):
"""
Convert project made before version 1.3
Convert projects made before version 1.3
:param project: Project instance
:param legacy_id: old identifier
:param name: VM name
:param name: node name
:returns: new VM identifier
:returns: new identifier
"""
vm_id = str(uuid4())
log.info("Converting old project...")
new_id = str(uuid4())
project_name = os.path.basename(project.path)
legacy_project_files_path = os.path.join(project.path, "{}-files".format(project_name))
new_project_files_path = os.path.join(project.path, "project-files")
if os.path.exists(legacy_project_files_path) and not os.path.exists(new_project_files_path):
# move the project files
new_project_files_path = os.path.join(project.path, "project-files")
log.info("Converting old project...")
try:
log.info('Moving "{}" to "{}"'.format(legacy_project_files_path, new_project_files_path))
yield from wait_run_in_executor(shutil.move, legacy_project_files_path, new_project_files_path)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not move project files directory: {} to {} {}".format(legacy_project_files_path,
new_project_files_path,
e))
new_project_files_path, e))
if hasattr(self, "get_legacy_vm_workdir"):
# rename old project VM working dir
log.info("Converting old VM working directory...")
legacy_vm_dir = self.get_legacy_vm_workdir(legacy_id, name)
legacy_vm_working_path = os.path.join(new_project_files_path, legacy_vm_dir)
new_vm_working_path = os.path.join(new_project_files_path, self.module_name.lower(), vm_id)
new_vm_working_path = os.path.join(new_project_files_path, self.module_name.lower(), new_id)
try:
log.info('Moving "{}" to "{}"'.format(legacy_vm_working_path, new_vm_working_path))
yield from wait_run_in_executor(shutil.move, legacy_vm_working_path, new_vm_working_path)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not move VM working directory: {} to {} {}".format(legacy_vm_working_path,
new_vm_working_path,
e))
new_vm_working_path, e))
return vm_id
return new_id
@asyncio.coroutine
def create_vm(self, name, project_id, vm_id, *args, **kwargs):
@ -203,10 +201,9 @@ class BaseManager:
"""
project = ProjectManager.instance().get_project(project_id)
# If it's not an UUID, old topology
if vm_id and isinstance(vm_id, int):
with (yield from BaseManager._convert_lock):
vm_id = yield from self._convert_old_project(project, vm_id, name)
vm_id = yield from self.convert_old_project(project, vm_id, name)
if not vm_id:
vm_id = str(uuid4())

4
gns3server/modules/dynamips/__init__.py
View File

@ -209,6 +209,10 @@ class Dynamips(BaseManager):
"""
project = ProjectManager.instance().get_project(project_id)
if device_id and isinstance(device_id, int):
with (yield from BaseManager._convert_lock):
device_id = yield from self.convert_old_project(project, device_id, name)
if not device_id:
device_id = str(uuid4())

11
gns3server/schemas/dynamips_device.py
View File

@ -28,10 +28,13 @@ DEVICE_CREATE_SCHEMA = {
},
"device_id": {
"description": "Dynamips device instance identifier",
"type": "string",
"minLength": 36,
"maxLength": 36,
"pattern": "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$"
"oneOf": [
{"type": "string",
"minLength": 36,
"maxLength": 36,
"pattern": "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$"},
{"type": "integer"} # for legacy projects
]
},
"device_type": {
"description": "Dynamips device type",