add wider

[boriscosic]

About

This plugin lets users query pod and associated node information with same command. There are multiple times when details of node, such as zone, provider etc need to be viewed alongside the pod and it requires two kubectl queries.

For example:
k wider -o custom-columns="NAME:.metadata.name,NODE:.node.metadata.name,IP:.status.hostIP,ZONE:.node.metadata.labels.topology\.kubernetes\.io/zone" -n kube-system -l k8s-app=kube-dns

NAME                      NODE                                          IP              ZONE
coredns-aaaaaaaaaa-mndf5  ip-10-111-222-333.us-west-2.compute.internal  10.111.122.162  us-west-2a
coredns-bbbbbbbbbb-sl7c5  ip-10-111-222-334.us-west-2.compute.internal  10.111.123.192  us-west-2b
coredns-cccccccccc-tpnxs  ip-10-111-222-335.us-west-2.compute.internal  10.111.124.250  us-west-2c

[ahmetb]

🤖 Beep beep! I’m a robot speaking on behalf of @ahmetb. 🤖

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/kind new-plugin

[k8s-ci-robot]

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This pull-request has been approved by: boriscosic
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• ✅ login: boriscosic / name: Boris Cosic (6f23f6f, a1b1ef2)

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[ahmetb]

Thanks for the submission.
I think the plugin is a little odd in the sense that it only works for pod/node and makes assumptions like there's a zone label (not everyone runs on cloud) —and the name wider sounds broad that I thought this is going to be somehow a better generic -o=wide output. I don't have better naming suggestions at this time, but I think the name is a bit misleading, don't you think?

[boriscosic]

Thanks @ahmetb the example is a bit unclear perhaps. The intent is to query pod + node information using -o custom-columns format, grabbing aspects of node output combined with pod.

wider is a play on expanded format provided by wide. Down the line I did consider the ability to extend to other resources but this was my immediate need.