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Fix Qemu VM state support after closing a project and check for JSON data returned by qemu-img. Fixes #1591

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This commit is contained in:
grossmj 2019-05-19 17:59:00 +07:00
parent 424db843ca
commit e8b8554c1a
3 changed files with 48 additions and 23 deletions
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14
gns3server/compute/qemu/qemu_vm.py
View File

@ -966,6 +966,9 @@ class QemuVM(BaseNode):
set_link_commands.append("set_link gns3-{} off".format(adapter_number))
else:
set_link_commands.append("set_link gns3-{} off".format(adapter_number))
if "-loadvm" not in command_string:
# only set the link statuses if not restoring a previous VM state
await self._control_vm_commands(set_link_commands)
try:
@ -1143,6 +1146,8 @@ class QemuVM(BaseNode):
if not (await super().close()):
return False
#FIXME: Don't wait for ACPI shutdown when closing the project, should we?
if self.on_close == "shutdown_signal":
self.on_close = "power_off"
await self.stop()
@ -1848,7 +1853,11 @@ class QemuVM(BaseNode):
if not os.path.exists(disk):
continue
output = await subprocess_check_output(qemu_img_path, "info", "--output=json", disk)
if output:
try:
json_data = json.loads(output)
except ValueError as e:
raise QemuError("Invalid JSON data returned by qemu-img while looking for the Qemu VM saved state snapshot: {}".format(e))
if "snapshots" in json_data:
for snapshot in json_data["snapshots"]:
if snapshot["name"] == snapshot_name:
@ -1879,7 +1888,11 @@ class QemuVM(BaseNode):
if not os.path.exists(disk):
continue
output = await subprocess_check_output(qemu_img_path, "info", "--output=json", disk)
if output:
try:
json_data = json.loads(output)
except ValueError as e:
raise QemuError("Invalid JSON data returned by qemu-img while looking for the Qemu VM saved state snapshot: {}".format(e))
if "snapshots" in json_data:
for snapshot in json_data["snapshots"]:
if snapshot["name"] == snapshot_name:
@ -1887,6 +1900,7 @@ class QemuVM(BaseNode):
id=self.id,
snapshot=snapshot_name))
return ["-loadvm", snapshot_name]
except subprocess.SubprocessError as e:
raise QemuError("Error while looking for the Qemu VM saved state snapshot: {}".format(e))
return []

2
gns3server/config.py
View File

@ -125,7 +125,7 @@ class Config:
if self._main_config_file is None:
# TODO: migrate versioned config file from a previous version of GNS3 (for instance 2.2.0 -> 2.2.1)
# TODO: migrate versioned config file from a previous version of GNS3 (for instance 2.2 -> 2.3) + support profiles
# migrate post version 2.2.0 config files if they exist
os.makedirs(versioned_user_dir, exist_ok=True)
try:

11
gns3server/controller/import_project.py
View File

@ -27,6 +27,9 @@ import itertools
from .topology import load_topology
from ..utils.asyncio import wait_run_in_executor
import logging
log = logging.getLogger(__name__)
"""
Handle the import of project from a .gns3project
"""
@ -126,6 +129,14 @@ async def import_project(controller, project_id, stream, location=None, name=Non
node["compute_id"] = "vm"
else:
# Round-robin through available compute resources.
# computes = []
# for compute_id in controller.computes:
# compute = controller.get_compute(compute_id)
# # only use the local compute or any connected compute
# if compute_id == "local" or compute.connected:
# computes.append(compute_id)
# else:
# log.warning(compute.name, "is not connected!")
compute_nodes = itertools.cycle(controller.computes)
for node in topology["topology"]["nodes"]:
node["compute_id"] = next(compute_nodes)