add --debug-file flag for 'cloud assume' command

[AlexVulaj]

What type of PR is this?

feature

What this PR does / Why we need it?

Adds the ability to manually provide the role assume sequence to the cloud assume command. This is intended to allow test of changes in stage and integration environments.

Which Jira/Github issue(s) does this PR fix?

OSD-17196

Special notes for your reviewer

Pre-checks (if applicable)

• Ran unit tests locally
• Validated the changes in a cluster
• Included documentation changes with PR

[codecov-commenter]

Codecov Report

Merging #169 (73ff277) into main (0794c98) will decrease coverage by 0.17%.
Report is 2 commits behind head on main.
The diff coverage is 5.88%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #169      +/-   ##
==========================================
- Coverage   49.59%   49.43%   -0.17%     
==========================================
  Files          51       51              
  Lines        3353     3366      +13     
==========================================
+ Hits         1663     1664       +1     
- Misses       1411     1423      +12     
  Partials      279      279              

Files Changed	Coverage Δ
cmd/ocm-backplane/cloud/assume.go	7.24% <5.88%> (+0.10%)	⬆️

[AlexVulaj]

/hold

May have found a potential issue.

[AlexVulaj]

/unhold

[samanthajayasinghe]

@AlexVulaj Thanks for adding cloud assume command , Can you pls add some unit tests to cover the new flag and the cloud assume command? currently, It covers only 7.35%

[AlexVulaj]

@samanthajayasinghe I added some tests in my latest commit - let me know if these suffice!

[openshift-ci]

@AlexVulaj: all tests passed!

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[samanthajayasinghe]

/lgtm

[bmeng]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AlexVulaj, bmeng, samanthajayasinghe

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