Visibility into Capacity, utilization, and resource limits tracking issue

[zephraph]

This is a rollup issue for me to aggregate and track the work around setting resource limits and capacity and utilization that needs to be done.

Tasks

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1. impl system_utilization_view for top level provisioned, allocated, and capacity numbers
2. Add sled level utilization views
3. Add IP quotas
4. Update cap & utilization with IP quotas
5. Prevent default silo from showing up in utilization response #5731
   known issue +1
   

Related issues

• https://github.com/oxidecomputer/product-assurance/issues/11
  • tracks some capactiy and utilization work
• Operator View: Current Capacity of Storage #2036

Future

I created a doc with roadmap items I think will be good to get to eventually.

[twinfees]

Noting here that a customer has reported the confusing 10B quota that is displayed for CPU from the Utilization tab from the web console.

[david-crespo]

Assuming that's because the default silo is showing up there, I think that would be solved by #5731, which I'm going to prioritize for the next release.