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@ -29,7 +29,7 @@ from ..utils import parse_version
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from ..utils.images import list_images
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from ..utils.asyncio import locked_coroutine
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from ..controller.controller_error import ControllerError
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from ..version import __version__
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from ..version import __version__, __version_info__
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import logging
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@ -95,6 +95,7 @@ class Compute:
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self._set_auth(user, password)
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self._cpu_usage_percent = None
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self._memory_usage_percent = None
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self._last_error = None
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self._capabilities = {
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"version": None,
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"node_types": []
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@ -301,7 +302,8 @@ class Compute:
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"connected": self._connected,
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"cpu_usage_percent": self._cpu_usage_percent,
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"memory_usage_percent": self._memory_usage_percent,
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"capabilities": self._capabilities
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"capabilities": self._capabilities,
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"last_error": self._last_error
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}
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@asyncio.coroutine
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@ -404,7 +406,7 @@ class Compute:
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Check if remote server is accessible
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"""
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if not self._connected and not self._closed:
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if not self._connected and not self._closed and self.host:
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try:
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log.info("Connecting to compute '{}'".format(self._id))
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response = yield from self._run_http_query("GET", "/capabilities")
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@ -428,16 +430,36 @@ class Compute:
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raise aiohttp.web.HTTPConflict(text="Invalid server url for server {}".format(self._id))
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if "version" not in response.json:
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msg = "The server {} is not a GNS3 server".format(self._id)
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log.error(msg)
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self._http_session.close()
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raise aiohttp.web.HTTPConflict(text="The server {} is not a GNS3 server".format(self._id))
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raise aiohttp.web.HTTPConflict(text=msg)
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self._capabilities = response.json
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if parse_version(__version__)[:2] != parse_version(response.json["version"])[:2]:
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self._http_session.close()
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raise aiohttp.web.HTTPConflict(text="The server {} versions are not compatible {} != {}".format(self._id, __version__, response.json["version"]))
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if response.json["version"].split("-")[0] != __version__.split("-")[0]:
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msg = "GNS3 controller version {} is not the same as compute server {} version {}".format(__version__,
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self._name,
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response.json["version"])
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if __version_info__[3] == 0:
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# Stable release
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log.error(msg)
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self._http_session.close()
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self._last_error = msg
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raise aiohttp.web.HTTPConflict(text=msg)
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elif parse_version(__version__)[:2] != parse_version(response.json["version"])[:2]:
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# We don't allow different major version to interact even with dev build
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log.error(msg)
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self._http_session.close()
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self._last_error = msg
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raise aiohttp.web.HTTPConflict(text=msg)
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else:
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msg = "{}\nUsing different versions may result in unexpected problems. Please use at your own risk.".format(msg)
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self._controller.notification.emit("log.warning", {"message": msg})
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self._notifications = asyncio.gather(self._connect_notification())
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self._connected = True
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self._connection_failure = 0
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self._last_error = None
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self._controller.notification.emit("compute.updated", self.__json__())
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@asyncio.coroutine
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