The Identity service authentication mechanism for services uses Memcached to cache tokens. The memcached service typically runs on the controller node. For production deployments, we recommend enabling a combination of firewalling, authentication, and encryption to secure it.
# apt install memcached python-memcache
Edit the /etc/memcached.conf
file and configure the
service to use the management IP address of the controller node.
This is to enable access by other nodes via the management network:
-l 10.0.0.11
Poznámka
Change the existing line that had -l 127.0.0.1
.
Restart the Memcached service:
# service memcached restart
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