Concepts¶ Overview Operators Operator overview Operator implementation Configuration Overwriting values Handling of invalid configurations Generating configuration Non-definable configuration Credentials Rotation process Cross service credentials Service Roles Updates Software Updates for the OS / Kubernetes Software Updates for Container images Kubernetes upgrades Openstack upgrades Scheduling Neutron OVN Agent Agents needing Neutron OVN (bgp, compute) Neutron OVN BGP Agent Safe eviction Motivation Affected Services Surroundings / Kubernetes Tools Implementation Releases and Versioning Requirements Versioning Overview Practical implementation Updating Deprecation Policy Cleanup of old resources Removal of Features and Openstack releases