Add JSON output for addons list

[woodcockjosh]

Depends on #5555

Before

Command:

minikube addons list -o json

Output:

Error: unknown shorthand flag: 'o' in -o


Usage:
  minikube addons list [flags] [options]

Use "minikube addons options" for a list of global command-line options (applies to all commands).

After

Command:

minikube addons list -o json

Output:

{"addon-manager":{"Status":"enabled"},"dashboard":{"Status":"enabled"},"default-storageclass":{"Status":"enabled"},"efk":{"Status":"disabled"},"freshpod":{"Status":"disabled"},"gvisor":{"Status":"disabled"},"heapster":{"Status":"disabled"},"helm-tiller":{"Status":"disabled"},"ingress":{"Status":"enabled"},"ingress-dns":{"Status":"enabled"},"logviewer":{"Status":"disabled"},"metrics-server":{"Status":"enabled"},"nvidia-driver-installer":{"Status":"disabled"},"nvidia-gpu-device-plugin":{"Status":"disabled"},"registry":{"Status":"disabled"},"registry-creds":{"Status":"disabled"},"storage-provisioner":{"Status":"enabled"},"storage-provisioner-gluster":{"Status":"disabled"}}

Output and Format options cannot both be used at the same time

Command:

minikube addons list -o json -f "hello"

Output:

💡  Cannot use both --output and --format options

[k8s-ci-robot]

Hi @woodcockjosh. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[minikube-bot]

Can one of the admins verify this patch?

[woodcockjosh]

/assign @medyagh

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: woodcockjosh
To complete the pull request process, please assign medyagh
You can assign the PR to them by writing /assign @medyagh in a comment when ready.

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[codecov-io]

Codecov Report

Merging #5601 into master will decrease coverage by 0.57%.
The diff coverage is 18.18%.

@@            Coverage Diff             @@
##           master    #5601      +/-   ##
==========================================
- Coverage   37.45%   36.88%   -0.58%     
==========================================
  Files         103      102       -1     
  Lines        7540     7399     -141     
==========================================
- Hits         2824     2729      -95     
+ Misses       4342     4317      -25     
+ Partials      374      353      -21

Impacted Files	Coverage Δ
cmd/minikube/cmd/config/addons_list.go	23.8% <18.18%> (-0.52%)	⬇️
cmd/minikube/cmd/delete.go	0% <0%> (-30%)	⬇️
cmd/minikube/cmd/config/util.go	24.81% <0%> (-9.5%)	⬇️
cmd/minikube/cmd/config/validations.go	31.34% <0%> (-4.48%)	⬇️
pkg/minikube/cluster/cluster.go	37.46% <0%> (-0.48%)	⬇️
pkg/minikube/assets/addons.go	36.66% <0%> (ø)	⬆️
pkg/minikube/cluster/machine.go
cmd/minikube/cmd/dashboard.go	1.78% <0%> (+0.01%)	⬆️
cmd/minikube/cmd/config/open.go	15.55% <0%> (+0.33%)	⬆️
cmd/minikube/cmd/service.go	26.92% <0%> (+0.99%)	⬆️
... and 1 more

[woodcockjosh]

@sharifelgamal thanks for the review!

[sharifelgamal]

@minikube-bot OK to test

[RA489]

/ok-to-test