Implement argo rollouts kubectl plugin

[jessesuen]

See below for examples:

$ kubectl argo rollouts version
kubectl-argo-rollouts: v0.5.0+71cfcca
  BuildDate: 2019-10-11T09:33:48Z
  GitCommit: 71cfcca753186304cfc39bc602d77358e7ad12ab
  GitTreeState: clean
  GoVersion: go1.13.1
  Compiler: gc
  Platform: darwin/amd64

$ kubectl argo rollouts resume canary-demo -n default
rollout 'canary-demo' resumed

$ kubectl argo rollouts pause canary-demo -n default
rollout 'canary-demo' paused

$ kubectl argo rollouts -v=6 resume doesnt-exist
I1011 02:36:12.660302   81169 loader.go:375] Config loaded from file:  /Users/jsuen/.kube/config
I1011 02:36:13.135455   81169 round_trippers.go:443] PATCH https://35.235.69.198/apis/argoproj.io/v1alpha1/namespaces/argo/rollouts/doesnt-exist 404 Not Found in 474 milliseconds
Error: rollouts.argoproj.io "doesnt-exist" not found

[dthomson25]

LGTM

[dthomson25]

Why is the manifest changing so much? Did we just forget to run the make manifests with the library change?

[jessesuen]

Yea looks like I neglected to do it in this PR: fb287a4. It should have came in there.

[dthomson25]

I appreciate the unit test here!

[codecov]

Codecov Report

Merging #195 into master will increase coverage by 0.43%.
The diff coverage is 88.8%.

@@            Coverage Diff             @@
##           master     #195      +/-   ##
==========================================
+ Coverage    83.1%   83.53%   +0.43%     
==========================================
  Files          38       43       +5     
  Lines        3379     3480     +101     
==========================================
+ Hits         2808     2907      +99     
- Misses        415      417       +2     
  Partials      156      156

Impacted Files	Coverage Δ
pkg/kubectl-argo-rollouts/cmd/pause/pause.go	100% <100%> (ø)
pkg/kubectl-argo-rollouts/cmd/resume/resume.go	100% <100%> (ø)
pkg/kubectl-argo-rollouts/cmd/cmd.go	100% <100%> (ø)
pkg/kubectl-argo-rollouts/cmd/version/version.go	100% <100%> (ø)
pkg/kubectl-argo-rollouts/options/options.go	72% <72%> (ø)
utils/experiment/experiment.go	100% <0%> (ø)	⬆️
rollout/controller.go	65.71% <0%> (ø)	⬆️
rollout/experiment.go	83.33% <0%> (ø)	⬆️
... and 7 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2114be0...18d3e37. Read the comment docs.