The agent_down_time ends up being passed to an eventlet green-thread;
under the hood, this uses a CPython C-types interface with a limitation
of (2^32 / 2 - 1) INT_MAX (as defined in C) where int is usually 32 bits
I have set the max value to (2^32 / 2 - 1)/1000 as agent_down_time
configured in seconds, this ends up being 2147483.
This patch is required as passing a larger number
causes this error: OverflowError: timeout is too large
If a user currently has a value larger than (2^32 / 2 - 1)/1000 set,
Neutron Server will fail to start and will print out a very helpful
error message.
Conflicts:
neutron/conf/agent/database/agents_db.py
Closes-Bug: #2028724
Change-Id: Ib5b943344cddbd468c00768461ba1ee00a2b4c58
(cherry picked from commit 6fef1e6525)
94cf7a4c28