Add nodeSelector and tolerations flags

[mgss-cc]

Hi,

It would be great if we are able to pass nodeSelector and tolerations as flags to the krelay command. Sometimes in multitenancy, we want pods to be deployed on certain nodes.

[knight42]

I plan to add a flag, say --custom, so that users are able to specify the path to a JSON or YAML file containing a partial pod object to customize the relay agent pod.

Let's take your use case as an example, you can do something like this:

$ cat custom-pod.yaml
spec:
  tolerations:
    - ...
  nodeSelector:
    k: v

$ kubectl relay --custom custom-pod.yaml ...

[knight42]

@mgss-cc Hi, with krelay 0.1.1, you could customize the krelay-server pod by the --patch/--patch-file flag. For instance:

$ kubectl relay --patch-file custom-pod.yaml ...