Add machinepool support for Alibaba cloud

[akhil-rane]

x-ref: https://issues.redhat.com/browse/HIVE-1612

[akhil-rane]

/hold

wait for #1704

[codecov]

Codecov Report

Merging #1754 (72b89e5) into master (c0296c6) will decrease coverage by 0.08%.
The diff coverage is 26.92%.

@@            Coverage Diff             @@
##           master    #1754      +/-   ##
==========================================
- Coverage   41.63%   41.55%   -0.09%     
==========================================
  Files         349      352       +3     
  Lines       32374    32556     +182     
==========================================
+ Hits        13479    13528      +49     
- Misses      17760    17888     +128     
- Partials     1135     1140       +5     

Impacted Files	Coverage Δ
pkg/alibabaclient/client.go	0.00% <0.00%> (ø)
...g/controller/machinepool/machinepool_controller.go	47.98% <0.00%> (-0.96%)	⬇️
pkg/controller/machinepool/alibabacloudactuator.go	61.81% <61.81%> (ø)
pkg/alibabaclient/mock/client_generated.go	62.50% <62.50%> (ø)

[akhil-rane]

/hold cancel

#1704 has merged

[akhil-rane]

@abutcher this is rebased and good to go

[abutcher]

Looks good to me /lgtm

[abutcher]

/lgtm

[abutcher]

/test e2e

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: abutcher, akhil-rane

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[openshift-ci]

@akhil-rane: all tests passed!

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