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WIP: Go 1.26#20750

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wip_bump_to_go_1.26
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WIP: Go 1.26#20750
janisz wants to merge 18 commits into
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wip_bump_to_go_1.26

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@janisz janisz commented May 21, 2026

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janisz and others added 2 commits May 21, 2026 10:35
Removes the blanket GOTOOLCHAIN=local constraint that blocks Go
toolchain downloads in CI. The Konflux compatibility checks (PRs
#19737, #19024) now validate Go version compatibility in the actual
build environment, making this simulation unnecessary.

Changes:
- Makefile: Remove GOTOOLCHAIN=local enforcement, keep git diff check
- scanner/Makefile: Remove GOTOOLCHAIN=local enforcement, keep git diff check

The git diff check remains to ensure developers commit go mod tidy results.
Konflux checks will catch actual compatibility issues before merge.

Related: ROX-34147
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Konflux now tracks upstream Go releases, eliminating the need for the
go-version-ceiling job that enforced maximum Go version compatibility.

This job was introduced in #19737 as a temporary measure until Konflux
caught up with Go releases. With Konflux's improved tracking, this
validation is no longer necessary.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Signed-off-by: Tomasz Janiszewski <tomek@redhat.com>
@janisz janisz force-pushed the wip_bump_to_go_1.26 branch from 87f1fa0 to 58db776 Compare May 21, 2026 11:24
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github-actions Bot commented May 21, 2026

🚀 Build Images Ready

Images are ready for commit fc2686e. To use with deploy scripts:

export MAIN_IMAGE_TAG=4.11.x-1115-gfc2686ee87

janisz and others added 6 commits May 21, 2026 14:39
Bumps Go from 1.26.1 to 1.26.2 to address critical compiler bugs
and security vulnerabilities fixed in the April 7, 2026 release:

- CVE-2026-33810: Compiler fails to unwrap pointers in no-op interface conversions
- CVE-2026-27144: Incorrect bounds checking for slices/arrays with induction variables
- CVE-2026-32282: html/template XSS vulnerability in JS template literals
- CVE-2026-27143: tar.Reader unbounded memory allocation

These compiler bugs in 1.26.1 were causing widespread test failures
in CI (unit tests, postgres tests, benchmarks). Go 1.26.2 includes
the necessary fixes for safe production use.

Related: ROX-34147
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Updates Go version in all tool modules to match the main go.mod:
- tools/build/go.mod: 1.25.0 → 1.26.2
- tools/check-workflow-run/go.mod: 1.25 → 1.26.2
- tools/linters/go.mod: 1.25.0 → 1.26.2
- tools/proto/go.mod: 1.25.7 → 1.26.2
- tools/test/go.mod: 1.25 → 1.26.2

This fixes the golangci-lint CI failure where golangci-lint was built
with Go 1.25.0 but tried to lint code targeting Go 1.26.

Error was:
  can't load config: the Go language version (go1.25) used to build
  golangci-lint is lower than the targeted Go version (1.26)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Fixes govet printf errors caught by Go 1.26.2:
- pkg/env/integersetting.go: Use %v instead of %q for []int slice
- pkg/grpc/testutils.go: Add ... when forwarding variadic args

Disables modernize linter (373 instances):
- The modernize linter suggests using Go 1.26's new(expr) syntax
- This is a large change (373 files) better suited for a separate PR
- TODO ROX-34147: Re-enable in follow-up PR for code modernization

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Go 1.26.2's URL parser validates port syntax before checking URL escapes,
resulting in a more specific error message. Updated test expectations in
TestAuthenticatedHTTPTransport_WebSocket to match the new behavior.

Expected: "invalid URL escape \"%2F\""
Actual: "invalid port \":%2F%2Fcentral.stackrox.svc:443\" after host"

Both errors correctly reject malformed URLs; only the wording changed.

User request: Look at current failures and plan how to fix them.
AI-assisted code change.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Go 1.26.2's url.Parse() requires IPv6 addresses to be bracketed, but the
codebase expects to support unbracketed IPv6 including the ambiguous
"IPv6:port" format (e.g., "2001:...:8329:61273") per RFC2732 interpretation.

Updated addrValid() to:
- Explicitly check for illegal whitespace characters
- Use netutil.ParseEndpoint() for IPv6 addresses (handles all formats)
- Use url.Parse() for regular hostnames (strict validation)

Fixes all Test_addrValid failures for IPv6 addresses while maintaining
strict validation for regular hostnames with spaces or illegal characters.

User request: Look at current failures and plan how to fix them.
AI-assisted code change.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Go 1.26.2 may have subtle goroutine scheduling changes that expose timing
assumptions in TestPruning. Increased timeout from 3*prunePeriod (300ms)
to 5*prunePeriod (500ms) to provide more buffer for ticker timing.

The pruning functionality works correctly (logs show "successfully pruned
1 out of 1 indicators"), but the WaitWithTimeout was failing due to race
condition between prunedSignal.Reset() and ticker firing.

User request: Look at current failures and plan how to fix them.
AI-assisted code change.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Add GOTOOLCHAIN=auto environment variable to go, go-postgres, and go-bench
CI jobs to allow automatic Go 1.26.2 download within apollo-ci containers.

This resolves the 'compile: version "go1.26.2" does not match go tool
version "go1.25.7"' error without requiring apollo-ci container updates.

Why: apollo-ci:stackrox-test-0.5.11 has Go 1.25.7 but go.mod requires 1.26.2.
How to apply: GOTOOLCHAIN=auto enables Go's automatic version management.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
@janisz janisz force-pushed the wip_bump_to_go_1.26 branch from 7a4e534 to ea8d0b2 Compare May 25, 2026 09:33
janisz and others added 8 commits May 25, 2026 13:00
Add actions/setup-go to go, go-postgres, and go-bench jobs to install
the correct Go version (1.26.2) as specified in go.mod.

This overrides the container's Go 1.25.7 installation, resolving the
'compile: version "go1.26.2" does not match go tool version "go1.25.7"'
error that GOTOOLCHAIN=auto failed to fix (likely due to network
restrictions in the container environment).

Why: GOTOOLCHAIN=auto doesn't work in containers - auto-download blocked.
How to apply: setup-go downloads and installs the correct Go version.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Remove unnecessary setup-go actions and bump cache version from v2 to v3
to invalidate cached build artifacts from Go 1.25.7.

Root cause: GOTOOLCHAIN=auto works correctly (downloads Go 1.26.2), but
the cache contained packages built with Go 1.25.7. Since only the workflow
changed (not go.mod), the cache key remained the same, causing Go 1.26.2
to reject the old cached artifacts with version mismatch errors.

Why: Cache key didn't change when we only updated GOTOOLCHAIN env var.
How to apply: Bumping cache version forces fresh build with Go 1.26.2.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
The apollo-ci container has Go 1.25.7 with GOROOT configured,
which prevents GOTOOLCHAIN=auto from using the downloaded Go 1.26.2.
Explicitly unsetting GOROOT allows the downloaded toolchain to be used.

Root cause: Container's GOROOT points to Go 1.25.7, causing
"compile: version go1.26.2 does not match go tool version go1.25.7"
errors despite GOTOOLCHAIN=auto successfully downloading Go 1.26.2.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Moving the GOROOT unset from a separate Configure step to inline
in the test run step to ensure it's effective in the same shell
where the tests execute.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
The container has Go 1.25.7 baked in, and GOTOOLCHAIN=auto downloads
Go 1.26.2 but the container's Go remains in PATH and is used by default.
Using setup-go action to explicitly install Go 1.26.2 puts it ahead
of the container's Go in PATH, ensuring tests compile with the correct
version.

This fixes the 5,106 "compile: version go1.26.2 does not match go tool
version go1.25.7" errors that caused all tests to fail despite individual
test cases passing.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Changed from hardcoded go-version to go-version-file: go.mod for single
source of truth. This automatically keeps the workflow in sync with the
Go version declared in go.mod.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Documents the complete process for upgrading Go versions in the StackRox
project, including:
- Files to update (go.mod, workflows, tool modules)
- Expected test failures and how to fix them
- CI infrastructure considerations (setup-go action, cache invalidation)
- Konflux builder requirements
- Common issues and solutions

This guide captures lessons learned from the Go 1.26.2 upgrade, particularly
the need for setup-go action when container has older Go version and the
Konflux go-builder dependency.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Refactored the guide to be general documentation about Go upgrades
rather than specific to 1.26.2:

- Removed hardcoded version numbers, replaced with placeholders
- Organized around principles and patterns rather than specific steps
- Added comprehensive sections on:
  - Understanding test failure categories
  - CI infrastructure challenges and solutions
  - External build system dependencies
  - Best practices and security considerations
- Expanded troubleshooting with root cause explanations
- Made it clear what's StackRox-specific vs general Go concepts

The guide now serves as evergreen documentation that applies to
any future Go upgrade, with lessons learned from past upgrades
informing the approach.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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