Update management for a distributed computing system

A distributed computing system comprising:

• a plurality of controller nodes, a first controller node of the plurality of controller nodes comprising:
• a management computer comprising a first processor and a first storage medium;
• and
• a main computer for controlling services for the distributed computing system including a set of nodes that execute workloads to perform the services, the main computer comprising a second processor and a second storage medium, the second storage medium comprising at least one executable instruction that, when executed by the second processor, causes the main computer to perform the operations of:
• receiving, from the management computer, an instruction to initiate an update of the main computer;
• withdrawing one or more services controlled by the main computer by storing data associated with the one or more services in a storage device;
• transmitting a request to the management computer for a software update package, the software update package comprising a full updated image of software of the main computer;
• receiving the software update package from the management computer;
• rebooting the main computer utilizing the full updated image of the software of the main computer of the software update package, wherein the reboot of the main computer replaces a full image of the main computer with the full updated image of the main computer of the software update package;
• and
• restoring the one or more services controlled by the main computer upon updating of the main computer.