HIVE-3002: IBMCloud MachinePools: Snowflake FailureDomain matching

[2uasimojo]

We've been using cluster-control-plane-machineset-operator (CPMS) utilities to extract failure domains from MachineSets for comparison when matching up generated msets with remote ones. CPMS doesn't support IBMCloud, so we were quietly getting back a generic (empty) failure domain for all IBMCloud msets, resulting in false positive matches and bad controller behavior (namely deleting all but one of the remote MachineSets).

Here we add local code to interpret the Zone from the providerSpec as the failure domain and match on it.

[openshift-ci-robot]

@2uasimojo: This pull request references HIVE-3002 which is a valid jira issue.

Details

In response to this:

We've been using cluster-control-plane-machineset-operator (CPMS) utilities to extract failure domains from MachineSets for comparison when matching up generated msets with remote ones. CPMS doesn't support IBMCloud, so we were quietly getting back a generic (empty) failure domain for all IBMCloud msets, resulting in false positive matches and bad controller behavior (namely deleting all but one of the remote MachineSets).

Here we add local code to interpret the Zone from the providerSpec as the failure domain and match on it.

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[2uasimojo]

/hold for QE

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 2uasimojo

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[codecov]

Codecov Report

❌ Patch coverage is 44.44444% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 50.42%. Comparing base (26db049) to head (3f207cb).

Files with missing lines	Patch %	Lines
...g/controller/machinepool/machinepool_controller.go	44.44%	3 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2825      +/-   ##
==========================================
+ Coverage   50.40%   50.42%   +0.02%     
==========================================
  Files         279      279              
  Lines       34194    34202       +8     
==========================================
+ Hits        17236    17248      +12     
+ Misses      15597    15593       -4     
  Partials     1361     1361              

Files with missing lines	Coverage Δ
...g/controller/machinepool/machinepool_controller.go	64.01% <44.44%> (+0.77%)	⬆️

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[huangmingxia]

/test konflux

[openshift-ci]

@huangmingxia: The specified target(s) for /test were not found.
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/test coverage

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Use /test all to run the following jobs that were automatically triggered:

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In response to this:

/test konflux

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[huangmingxia]

/retest

[red-hat-konflux]

Caution

There are some errors in your PipelineRun template.

PipelineRun	Error
hive-mce-210-on-pull-request	CEL expression evaluation error: expression "event == \"pull_request\"\n&& !body.pull_request.draft\n&& target_branch == \"master\"\n&& !files.all.all(x, x.matches('^docs/|\\\\.md$|^(?:.*/)?(?:\\\\.gitignore|OWNERS|PROJECT|LICENSE)$'))\n" failed to evaluate: no such key: pull_request
hive-mce-211-on-pull-request	CEL expression evaluation error: expression "event == \"pull_request\"\n&& !body.pull_request.draft\n&& target_branch == \"master\"\n&& !files.all.all(x, x.matches('^docs/|\\\\.md$|^(?:.*/)?(?:\\\\.gitignore|OWNERS|PROJECT|LICENSE)$'))\n" failed to evaluate: no such key: pull_request
hive-mce-26-on-pull-request	CEL expression evaluation error: expression "event == \"pull_request\"\n&& !body.pull_request.draft\n&& target_branch == \"master\"\n&& !files.all.all(x, x.matches('^docs/|\\\\.md$|^(?:.*/)?(?:\\\\.gitignore|OWNERS|PROJECT|LICENSE)$'))\n" failed to evaluate: no such key: pull_request
hive-mce-27-on-pull-request	CEL expression evaluation error: expression "event == \"pull_request\"\n&& !body.pull_request.draft\n&& target_branch == \"master\"\n&& !files.all.all(x, x.matches('^docs/|\\\\.md$|^(?:.*/)?(?:\\\\.gitignore|OWNERS|PROJECT|LICENSE)$'))\n" failed to evaluate: no such key: pull_request
hive-mce-28-on-pull-request	CEL expression evaluation error: expression "event == \"pull_request\"\n&& !body.pull_request.draft\n&& target_branch == \"master\"\n&& !files.all.all(x, x.matches('^docs/|\\\\.md$|^(?:.*/)?(?:\\\\.gitignore|OWNERS|PROJECT|LICENSE)$'))\n" failed to evaluate: no such key: pull_request
hive-mce-29-on-pull-request	CEL expression evaluation error: expression "event == \"pull_request\"\n&& !body.pull_request.draft\n&& target_branch == \"master\"\n&& !files.all.all(x, x.matches('^docs/|\\\\.md$|^(?:.*/)?(?:\\\\.gitignore|OWNERS|PROJECT|LICENSE)$'))\n" failed to evaluate: no such key: pull_request
hive-on-pull-request	CEL expression evaluation error: expression "event == \"pull_request\"\n&& !body.pull_request.draft\n&& target_branch == \"master\"\n&& !files.all.all(x, x.matches('^docs/|\\\\.md$|^(?:.*/)?(?:\\\\.gitignore|OWNERS|PROJECT|LICENSE)$'))\n" failed to evaluate: no such key: pull_request

[openshift-ci]

@2uasimojo: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/security	3f207cb	link	true	/test security

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