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 Downscale label 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