Elastic resource control in a container orchestration environment

A computer system for controlling server power usage in a data center, the computer system comprising:

• a bus system;
• a storage device connected to the bus system, wherein the storage device stores program instructions;
• and
• a processor connected to the bus system, wherein the processor executes the program instructions to:
• manage, using a software-defined power (SDP) architecture, power usage among a plurality of server racks in active mode processing a set of workloads in the data center, wherein each server rack of the plurality of server racks comprises a plurality of hardware servers, wherein each server rack of the plurality of server racks is associated with a corresponding SDP worker service in the SDP architecture;
• detect, using a resource inventory manager, that a new server rack in standby mode without a workload is being added to the plurality of server racks in the active mode processing the set of workloads in the data center;
• ensure, using the SDP architecture, that the new server rack in the standby mode is properly controlled and monitored by a new SDP worker service in the SDP architecture prior to transitioning the new server rack to the active mode, wherein the new SDP worker service in the SDP architecture is associated with the new server rack;
• determine, using the SDP architecture, whether power safety criteria are met to safely join the new server rack to the plurality of server racks prior to transitioning the new server rack from the standby mode to the active mode;
• transition, using a boot manager, the new server rack from the standby mode to the active mode in a safe manner without exceeding a power budget for the plurality of server racks in response to the SDP architecture determining that the power safety criteria are met, wherein the boot manager begins a boot deploy process that includes powering up the new server rack;
• assign, using the SDP architecture, the new server rack to the new SDP worker service, wherein the new SDP worker service controls and monitors power consumption data for the new server rack;
• adjust, using the SDP architecture, the power budget of the plurality of server racks in the active mode to account for addition of the new server rack to the plurality of server racks prior to the boot manager transitioning the new server rack from the standby mode to the active mode;
• and
• remotely manage, via a network and using the new SDP worker service in the SDP architecture, power consumption of the new server rack within the power budget for the plurality of server racks as a whole, wherein the new SDP service is a service running on a management rack within a zone that comprises the plurality of server racks and a remote power panel that includes a plurality of electric power circuit breakers for the zone,
• wherein the SDP architecture, the resource inventory manager, and the boot manager, are each operable on one or more computer systems separate from the plurality of server racks and separate from the new server rack.

A computer program product for controlling server power usage in a data center, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a computer to cause the computer to perform a method comprising:

• managing, using a software-defined power (SDP) architecture, power usage among a plurality of server racks in active mode processing a set of workloads in the data center, wherein each server rack of the plurality of server racks comprises a plurality of hardware servers, wherein each server rack of the plurality of server racks is associated with a corresponding SDP worker service in the SDP architecture;
• detecting, using a resource inventory manager, that a new server rack in standby mode without a workload is being added to the plurality of server racks in the active mode processing the set of workloads in the data center;
• ensuring, using the SDP architecture, that the new server rack in the standby mode is properly controlled and monitored by a new SDP worker service in the SDP architecture prior to transitioning the new server rack to the active mode, wherein the new SDP worker service in the SDP architecture is associated with the new server rack;
• determining, using the SDP architecture, whether power safety criteria are met to safely join the new server rack to the plurality of server racks prior to transitioning the new server rack from the standby mode to the active mode;
• transitioning, using a boot manager, the new server rack from the standby mode to the active mode in a safe manner without exceeding a power budget for the plurality of server racks in response to the SDP architecture determining that the power safety criteria are met, wherein the boot manager begins a boot deploy process that includes powering up the new server rack;
• assigning, using the SDP architecture, the new server rack to the new SDP worker service, wherein the new SDP worker service controls and monitors power consumption data for the new server rack;
• adjusting, using the SDP architecture, the power budget of the plurality of server racks in the active mode to account for addition of the new server rack to the plurality of server racks prior to the boot manager transitioning the new server rack from the standby mode to the active mode;
• and
• remotely managing, via a network and using the new SDP worker service in the SDP architecture, power consumption of the new server rack within the power budget for the plurality of server racks as a whole, wherein the new SDP service is a service running on a management rack within a zone that comprises the plurality of server racks and a remote power panel that includes a plurality of electric power circuit breakers for the zone,
• wherein the SDP architecture, the resource inventory manager, and the boot manager, are each operable on one or more computer systems separate from the plurality of server racks and separate from the new server rack.