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Code Issues Releases Wiki Activity

Better handle compute unavailable errors

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Fix #775
This commit is contained in:
Julien Duponchelle 2016-11-11 10:38:59 +01:00
parent f968f6616f
commit 477091207d
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GPG Key ID: CE8B29639E07F5E8
4 changed files with 12 additions and 8 deletions
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4
gns3server/controller/__init__.py
View File

@ -24,7 +24,7 @@ import aiohttp
from ..config import Config from ..config import Config
from .project import Project from .project import Project
from .compute import Compute from .compute import Compute, ComputeError
from .notification import Notification from .notification import Notification
from .symbols import Symbols from .symbols import Symbols
from ..version import __version__ from ..version import __version__
@ -84,7 +84,7 @@ class Controller:
try: try:
yield from compute.close() yield from compute.close()
# We don't care if a compute is down at this step # We don't care if a compute is down at this step
except (aiohttp.errors.ClientOSError, aiohttp.web_exceptions.HTTPError, OSError): except (ComputeError, aiohttp.web_exceptions.HTTPError, OSError):
pass pass
yield from self.gns3vm.exit_vm() yield from self.gns3vm.exit_vm()
self._computes = {} self._computes = {}

5
gns3server/controller/compute.py
View File

@ -362,7 +362,7 @@ class Compute:
if not self._connected and not self._closed: if not self._connected and not self._closed:
try: try:
response = yield from self._run_http_query("GET", "/capabilities") response = yield from self._run_http_query("GET", "/capabilities")
except (aiohttp.errors.ClientOSError, aiohttp.errors.ClientRequestError, aiohttp.ClientResponseError): except ComputeError:
# Try to reconnect after 2 seconds if server unavailable only if not during tests (otherwise we create a ressources usage bomb) # Try to reconnect after 2 seconds if server unavailable only if not during tests (otherwise we create a ressources usage bomb)
if not hasattr(sys, "_called_from_test") or not sys._called_from_test: if not hasattr(sys, "_called_from_test") or not sys._called_from_test:
asyncio.get_event_loop().call_later(2, lambda: asyncio.async(self.connect())) asyncio.get_event_loop().call_later(2, lambda: asyncio.async(self.connect()))
@ -465,7 +465,10 @@ class Compute:
data = send_data(data) data = send_data(data)
else: else:
data = json.dumps(data) data = json.dumps(data)
try:
response = yield from self._session().request(method, url, headers=headers, data=data, auth=self._auth, chunked=chunked, timeout=timeout) response = yield from self._session().request(method, url, headers=headers, data=data, auth=self._auth, chunked=chunked, timeout=timeout)
except (aiohttp.errors.ClientOSError, aiohttp.errors.ClientRequestError, aiohttp.ClientResponseError) as e:
raise ComputeError(str(e))
body = yield from response.read() body = yield from response.read()
if body and not raw: if body and not raw:
body = body.decode() body = body.decode()

4
gns3server/controller/node.py
View File

@ -22,7 +22,7 @@ import uuid
import os import os
from .compute import ComputeConflict from .compute import ComputeConflict, ComputeError
from .ports.port_factory import PortFactory, StandardPortFactory, DynamipsPortFactory from .ports.port_factory import PortFactory, StandardPortFactory, DynamipsPortFactory
from ..utils.images import images_directories from ..utils.images import images_directories
from ..utils.qt import qt_font_to_style from ..utils.qt import qt_font_to_style
@ -399,7 +399,7 @@ class Node:
try: try:
yield from self.post("/stop", timeout=240) yield from self.post("/stop", timeout=240)
# We don't care if a node is down at this step # We don't care if a node is down at this step
except (aiohttp.errors.ClientOSError, aiohttp.errors.ClientHttpProcessingError, aiohttp.web.HTTPError): except (ComputeError, aiohttp.errors.ClientHttpProcessingError, aiohttp.web.HTTPError):
pass pass
except asyncio.TimeoutError: except asyncio.TimeoutError:
raise aiohttp.web.HTTPRequestTimeout(text="Timeout when stopping {}".format(self._name)) raise aiohttp.web.HTTPRequestTimeout(text="Timeout when stopping {}".format(self._name))

5
gns3server/controller/project.py
View File

@ -27,6 +27,7 @@ import tempfile
from uuid import UUID, uuid4 from uuid import UUID, uuid4
from .node import Node from .node import Node
from .compute import ComputeError
from .snapshot import Snapshot from .snapshot import Snapshot
from .drawing import Drawing from .drawing import Drawing
from .topology import project_to_topology, load_topology from .topology import project_to_topology, load_topology
@ -541,7 +542,7 @@ class Project:
try: try:
yield from compute.post("/projects/{}/close".format(self._id)) yield from compute.post("/projects/{}/close".format(self._id))
# We don't care if a compute is down at this step # We don't care if a compute is down at this step
except (aiohttp.errors.ClientOSError, aiohttp.web.HTTPError, aiohttp.ClientResponseError, TimeoutError): except (ComputeError, aiohttp.web.HTTPError, aiohttp.ClientResponseError, TimeoutError):
pass pass
self._cleanPictures() self._cleanPictures()
self._status = "closed" self._status = "closed"
@ -646,7 +647,7 @@ class Project:
try: try:
yield from compute.post("/projects/{}/close".format(self._id)) yield from compute.post("/projects/{}/close".format(self._id))
# We don't care if a compute is down at this step # We don't care if a compute is down at this step
except (aiohttp.errors.ClientOSError, aiohttp.web.HTTPNotFound, aiohttp.web.HTTPConflict): except (ComputeError, aiohttp.web.HTTPNotFound, aiohttp.web.HTTPConflict):
pass pass
shutil.copy(path + ".backup", path) shutil.copy(path + ".backup", path)
self._status = "closed" self._status = "closed"