pkgs to be moved to utils repo

[mengqiy]

These need to move out of k8s in order to cut kubectl out:

• k8s.io/kubernetes/pkg/util/exec (PR: cp exec util from kubernetes/kubernetes #5)
• k8s.io/kubernetes/pkg/util/interrupt

These should probably live in this repo, but are not required to move:

• k8s.io/client-go/util/jsonpath per Find home for utils used by kubectl kubernetes#48209 (comment)
• apimachinery/pkg/util/sets

Ref: kubernetes/kubernetes#48209 (comment)

Feel free to edit the list above if you have more.

[nilebox]

We are also using k8s.io/kubernetes/pkg/util/configz in Service Catalog

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[mengqiy]

/remove-lifecycle stale
/lifecycle frozen

[pigletfly]

I find a bunch of pkgs that could be moved to this repo.

• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/interrupt
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/filesystem
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/flock
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/hash
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/ipconfig
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/ipset
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/maps
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/netsh
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/slice
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/sysctl
• https://github.com/kubernetes/kubernetes/tree/master/pkg/util/tail
• https://github.com/kubernetes/client-go/tree/master/util/jsonpath
• https://github.com/kubernetes/client-go/tree/master/util/homedir
• https://github.com/kubernetes/client-go/tree/master/util/keyutil

@apelisse @thockin WDYT

[apelisse]

These look reasonable to me. They're all part of fairly generic package names anyway (pkg/util), so it looks like they are fairly generic. One thing that is important is: are these used in multiple places? are they generally useful or are there some opinions hidden behind these names?

[ash2k]

[ ] k8s.io/apimachinery/pkg/util/clock (see kubernetes/kubernetes#94738)