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Auto-migrate open console session on loss of management

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This will keep consoles connected across a manager change.  Note
that as it stands, a console session enduring multiple changes will
become increasingly convoluted as the redirect chain will increase
every time, rather than shorting back to the entry point.
This commit is contained in:
Jarrod Johnson 2018-06-21 15:14:56 -04:00
parent d34e65f9b7
commit f45228c067
1 changed files with 9 additions and 4 deletions
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13
confluent_server/confluent/consoleserver.py
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@ -240,6 +240,7 @@ class ConsoleHandler(object):
# Do not do console connect for nodes managed by another
# confluent collective member
self._is_local = False
self._detach()
self._disconnect()
else:
self._is_local = True
@ -306,6 +307,10 @@ class ConsoleHandler(object):
'none or interactive,\r\nconnection loss, or service restart]')
self.clearpending = True
def _detach(self):
for ses in list(self.livesessions):
ses.detach()
def _disconnect(self):
if self.connectionthread:
self.connectionthread.kill()
@ -752,9 +757,6 @@ class ConsoleSession(object):
it is a hook for confluent to abstract the concept of a terminal
between console and shell.
"""
#TODO(jjohnosn2): collective mode, connect to collective manager
#if not self. This avoids sockapi and httpapi from having to
#understand the situation
self.conshdl = connect_node(self.node, self.configmanager,
self.username)
def send_break(self):
@ -794,7 +796,10 @@ class ConsoleSession(object):
:return:
"""
pass
self.conshdl.detachsession(self)
self.connect_session()
self.conshdl.attachsession(self)
self.write = self.conshdl.write
def got_data(self, data):
"""Receive data from console and buffer