OCPBUGS-109578: fix oc darwin client hcp login when insecure tls flag is used - #2455
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Included review availability: Your plan provides up to 12 included reviews per hour; 10 remain after this review. WalkthroughThe Darwin certificate verification path now uses a dedicated error-normalization helper. The helper preserves successful verification and unrelated errors, and converts string-based X.509 errors. Focused tests cover these cases. ChangesCertificate error normalization
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to This change prevents a macOS login panic during insecure HCP access while preserving normal certificate-error handling. No current merge-blocking risk remains. 🚥 Pre-merge checks | ✅ 14 | ❌ 1❌ Failed checks (1 warning)
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In `@pkg/oauth/tokenrequest/request_token_test.go`:
- Line 810: Extract the Darwin certificate-verification error conversion from
the relevant test flow into a small helper, then add coverage asserting that
passing a nil error returns nil. Update the Darwin success-path test to use this
helper while preserving the existing non-nil error behavior.
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pkg/oauth/tokenrequest/request_token.gopkg/oauth/tokenrequest/request_token_test.go
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '--- Pull request diff ---'
git diff --find-renames origin/main...HEAD -- pkg/oauth/tokenrequest/request_token.go pkg/oauth/tokenrequest/request_token_test.go
echo
echo '--- request_token.go outline ---'
ast-grep outline pkg/oauth/tokenrequest/request_token.go --items all --type function
echo
echo '--- focused implementation ---'
rg -n -A80 -B20 'func verifyServerCertChain|func darwinCertVerifyErr' pkg/oauth/tokenrequest/request_token.go
echo
echo '--- focused test code ---'
rg -n -A130 -B15 'func TestDarwinCertVerifyErr|func TestVerifyServerCertChain' pkg/oauth/tokenrequest/request_token_test.goLength of output: 1019 🏁 Script executed: #!/bin/bash
set -euo pipefail
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git show --no-ext-diff --format=fuller --stat HEAD
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git diff --no-ext-diff --find-renames HEAD^ HEAD -- \
pkg/oauth/tokenrequest/request_token.go \
pkg/oauth/tokenrequest/request_token_test.go
echo
echo '--- request_token.go outline ---'
ast-grep outline pkg/oauth/tokenrequest/request_token.go --items all --type function
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echo '--- focused implementation ---'
rg -n -A100 -B20 'func verifyServerCertChain|func darwinCertVerifyErr' \
pkg/oauth/tokenrequest/request_token.go
echo
echo '--- focused test code ---'
rg -n -A150 -B15 'func TestDarwinCertVerifyErr|func TestVerifyServerCertChain' \
pkg/oauth/tokenrequest/request_token_test.goLength of output: 13624
The refactor also improves the test design.
The Darwin-only behavior remains in You are interacting with an AI system. |
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/lgtm Thanks for the patience 😅 |
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/retest |
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/assign |
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/assign @ardaguclu |
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@ehearne-redhat can you please give me some details about why did we revert the previous one? |
Hey @ardaguclu - the reason why I asked for the revert was because there was no nil error check in the implementation which would cause a panic when we call @bertinatto explained it would be a good idea to revert so it would give us more time on coming up with a better solution so components e.g. oc bumping library-go would not begin to get failures. |
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Hey @ardaguclu @everettraven - apologies for the delay in pushing. Feel free to take a look when you get a chance and let me know your thoughts. :) |
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/lgtm |
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@ehearne-redhat it would be better to open a fake bump in oc to see everything works properly. |
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Yes - I do already have one set up in openshift/oc#2391 so I will go and update it shortly. |
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/lgtm |
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| func TestConvertErrorIfUnknownX509(t *testing.T) { |
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Are there any additional tests cases it would make sense to add for the method that calls this new conversion function to ensure that we are now correctly falling back on the error type this new conversion function returns?
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There could be additional ones - for example, looking at it again, "nil error stays nil on darwin" should also exist for linux i.e."nil error stays nil on linux".
Also we could add a linux equivalent of "non-x509 error is returned unchanged on darwin" i.e. "non-x509 error is returned unchanged on linux"
That way, the three scenarios are tested fully on each platform. So 6 test cases in total.
How does this sound? I feel adding more platforms proves pointless because in my mind there is darwin and non darwin scenarios. Then the type of errors the function could receive would be nil, non-nil, and x509 string based errors.
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I guess what I'm hoping to see is that we have explicit tests in place that test when the verification process returns an unknown error case that meets the darwin + "x509:" prefix criteria that we are correctly falling back instead of returning the error.
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I think I need more clarification because I feel that those cases are accounted for? Unless you are looking for the mechanism itself to change... I feel I may be missing something.
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This looks like it correctly tests the net-new function that you've added.
What I'm getting at is that it seems to be the case that there is no explicit testing for the transportWithSystemRoots method that calls it to ensure that the fallback behaviors are working as expected.
Since we have run into this issue, I think it would be helpful to ensure we have some additional test coverage here to make sure that the behaviors of that transportWithSystemRoots method aligns with what our expectations are (i.e if the server certificate chain verification returns an error, what do we expect to happen?).
It doesn't look like there is an existing test for this so I'll leave it up to @bertinatto to decide whether or not we should block this PR on explicit testing for this path of the code base to be added.
I just noticed that this looks like a gap that should be filled, and since we are already modifying this part of the code we might as well fill that gap.
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Yeah - I guess it did exist before in this PR and then through the review process we tried to minimise. I don't mind adding it back but I'll wait for Fabio's reply.
Sorry I didn't make the connection - I think it makes perfect sense to add if it is desired.
This fix resolves a major issue introduced in a recent change where logging in using oc on macos to a hcp client with insecure flag was used. On other clusters where there was no error, the check now panics on strings.HasPrefix(err.Error(), ...) as there was no check to see if err != nil. This was flagged by coderabbitai in library-go bump pr in oc. openshift/oc#2391 (comment) This change move darwin cert verify logic out of verifyServerCertChain, and additionally, adds a unit test that actually tests the error logic for darwin based systems. This commit also simplifies the error checking process by wrapping the error in a custom error for better readability. it also simplifies the error checking and unit tests for this problem. It does this by moving the error conversion and error check for the unknown x509 error type to the default switch case. this should mitigate the concern about error type conversions when all other typed error checks have not been exhausted. by moving it further down, we can ensure the error stays intact only until we have exhausted already existing typed error checks. at this stage we can assume the error in question is likely the string based x5099 unknown error which we can convert to the desired type.
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/lgtm |
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[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: ardaguclu, ehearne-redhat, tchap The full list of commands accepted by this bot can be found here. DetailsNeeds approval from an approver in each of these files:Approvers can indicate their approval by writing |
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This fix resolves a major issue introduced in a recent change where logging in using oc on macos to a hcp client with insecure flag was used.
That PR was reverted - #2456 .
On other clusters where there was no error, the
check now panics on strings.HasPrefix(err.Error(), ...) as there was no check to see if err != nil.
This was flagged by coderabbitai in library-go bump pr in oc.
openshift/oc#2391 (comment)
This fix fixes an issue seen when oc client is used to login to a HCP cluster on macOS. It falls back to kubeconfig CA when a string based x509 error is observed on the macOS platform.
See https://github.com/golang/go/blob/master/src/crypto/x509/root_darwin.go#L74 for reference.
Summary by CodeRabbit
Bug Fixes
Tests