Import Workload Machines
At this point, any servers on the same network as Sidero should network boot from Sidero.
To register a server with Sidero, simply turn it on and Sidero will do the rest.
Once the registration is complete, you should see the servers registered with
kubectl get servers:
$ kubectl get servers -o wide NAME HOSTNAME ACCEPTED ALLOCATED CLEAN 00000000-0000-0000-0000-d05099d33360 192.168.1.201 false false false
Accept the Servers
Note in the output above that the newly registered servers are not
In order for a server to be eligible for consideration, it must be marked as
Server is accepted, no write action will be performed against it.
This default is for safety (don’t accidentally delete something just because it
was plugged in) and security (make sure you know the machine before it is given
credentials to communicate).
Note: if you are running in a safe environment, you can configure Sidero to automatically accept new machines.
For more information on server acceptance, see the server docs.
By default, Sidero comes with a single ServerClass
any which matches any
This is sufficient for this demo, but you may wish to have
more flexibility by defining your own ServerClasses.
ServerClasses allow you to group machines which are sufficiently similar to
allow for unnamed allocation.
This is analogous to cloud providers using such classes as
c2.small, but the names are free-form and only need to make sense to you.
For more information on ServerClasses, see the ServerClass docs.
In baremetal systems, there are commonly certain small features and configurations which are unique to the hardware. In many cases, such small variations may not require special configurations, but others do.
If hardware-specific differences do mandate configuration changes, we need a way to keep those changes local to the hardware specification so that at the higher level, a Server is just a Server (or a server in a ServerClass is just a Server like all the others in that Class).
The most common variations seem to be the installation disk and the console serial port.
Some machines have NVMe drives, which show up as something like
Others may be SATA or SCSI, which show up as something like
Some machines use
/dev/ttyS0 for the serial console; others
Configuration patches can be applied to either Servers or ServerClasses, and those patches will be applied to the final machine configuration for those nodes without having to know anything about those nodes at the allocation level.
For examples of install disk patching, see the Installation Disk doc.
For more information about patching in general, see the Patching Guide.