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Code Issues Releases Wiki Activity

Added check for circular connections on Xen when using backup server

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This commit is contained in:
Adolfo Gómez García 2021-11-16 14:19:46 +01:00
parent 1857134f42
commit 21c221a6db
1 changed files with 5 additions and 5 deletions
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10
server/src/uds/services/Xen/xen_client/__init__.py
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@ -172,7 +172,7 @@ class XenServer: # pylint: disable=too-many-public-methods
return self.pool.get_name_label(pool)
# Login/Logout
def login(self, switchToMaster: bool = False) -> None:
def login(self, switchToMaster: bool = False, backupChecked: bool = False) -> None:
try:
# We recalculate here url, because we can "switch host" on any moment
self._url = self._protocol + self._host + ':' + self._port
@ -202,16 +202,16 @@ class XenServer: # pylint: disable=too-many-public-methods
e.details[1],
)
self._host = e.details[1]
self.login()
self.login(backupChecked=backupChecked)
else:
raise XenFailure(e.details)
except Exception:
if self._host == self._host_backup or not self._host_backup:
logger.exception('Unrecognized xenapi exception')
if self._host == self._host_backup or not self._host_backup or backupChecked:
logger.exception('Connection to master server is broken and backup connection unavailable.')
raise
# Retry connection to backup host
self._host = self._host_backup
self.login()
self.login(backupChecked=True)
def test(self) -> None:
self.login(False)