cmake: kafka: fix OAuth Bearer detection on Windows #11294
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Signed-off-by: BP Cheng <bp_cheng@hotmail.com>
bp-cheng
requested review from
celalettin1286,
fujimotos,
niedbalski and
patrick-stephens
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Note Other AI code review bot(s) detectedCodeRabbit has detected other AI code review bot(s) in this pull request and will avoid duplicating their findings in the review comments. This may lead to a less comprehensive review. WalkthroughPlatform-aware OAuth Bearer enablement added to Kafka CMake: Windows enables OAuth Bearer only when Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes
Suggested reviewers
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Pre-merge checks and finishing touches✅ Passed checks (3 passed)
✨ Finishing touches🧪 Generate unit tests (beta)
📜 Recent review detailsConfiguration used: defaults Review profile: CHILL Plan: Pro 📒 Files selected for processing (1)
🚧 Files skipped from review as they are similar to previous changes (1)
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Actionable comments posted: 1
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (1)
cmake/kafka.cmake(1 hunks)
🧰 Additional context used
🧠 Learnings (8)
📓 Common learnings
Learnt from: ThomasDevoogdt
Repo: fluent/fluent-bit PR: 9277
File: .github/workflows/pr-compile-check.yaml:147-151
Timestamp: 2025-08-31T12:46:11.940Z
Learning: In fluent-bit, the correct CMake flag for using system librdkafka is `FLB_PREFER_SYSTEM_LIB_KAFKA=ON`.
Learnt from: ThomasDevoogdt
Repo: fluent/fluent-bit PR: 9277
File: .github/workflows/pr-compile-check.yaml:147-151
Timestamp: 2025-08-31T12:46:11.940Z
Learning: In fluent-bit CMakeLists.txt, the system library preference flags are defined as FLB_PREFER_SYSTEM_LIB_ZSTD and FLB_PREFER_SYSTEM_LIB_KAFKA with the FLB_ prefix.
📚 Learning: 2025-08-31T12:46:11.940Z
Learnt from: ThomasDevoogdt
Repo: fluent/fluent-bit PR: 9277
File: .github/workflows/pr-compile-check.yaml:147-151
Timestamp: 2025-08-31T12:46:11.940Z
Learning: In fluent-bit, the correct CMake flag for using system librdkafka is `FLB_PREFER_SYSTEM_LIB_KAFKA=ON`.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-31T12:46:11.940Z
Learnt from: ThomasDevoogdt
Repo: fluent/fluent-bit PR: 9277
File: .github/workflows/pr-compile-check.yaml:147-151
Timestamp: 2025-08-31T12:46:11.940Z
Learning: In fluent-bit CMakeLists.txt, the system library preference flags are defined as FLB_PREFER_SYSTEM_LIB_ZSTD and FLB_PREFER_SYSTEM_LIB_KAFKA with the FLB_ prefix.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:25:27.250Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: tests/internal/aws_compress.c:93-107
Timestamp: 2025-08-29T06:25:27.250Z
Learning: In Fluent Bit, ZSTD compression is enabled by default and is treated as a core dependency, not requiring conditional compilation guards like `#ifdef FLB_HAVE_ZSTD`. Unlike some other optional components such as ARROW/PARQUET (which use `#ifdef FLB_HAVE_ARROW` guards), ZSTD support is always available and doesn't need build-time conditionals. ZSTD headers are included directly without guards across multiple plugins and core components.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:24:55.855Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: src/aws/flb_aws_compress.c:52-56
Timestamp: 2025-08-29T06:24:55.855Z
Learning: ZSTD compression is always available in Fluent Bit and does not require conditional compilation guards. Unlike Arrow/Parquet which use #ifdef FLB_HAVE_ARROW guards, ZSTD is built unconditionally with flb_zstd.c included directly in src/CMakeLists.txt and a bundled ZSTD library at lib/zstd-1.5.7/.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:25:27.250Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: tests/internal/aws_compress.c:93-107
Timestamp: 2025-08-29T06:25:27.250Z
Learning: In Fluent Bit, ZSTD compression is enabled by default and is treated as a core dependency, not requiring conditional compilation guards like `#ifdef FLB_HAVE_ZSTD`. Unlike some other optional components, ZSTD support is always available and doesn't need build-time conditionals.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:24:26.170Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: tests/internal/aws_compress.c:39-42
Timestamp: 2025-08-29T06:24:26.170Z
Learning: In Fluent Bit, ZSTD compression support is enabled by default and does not require conditional compilation guards (like #ifdef FLB_HAVE_ZSTD) around ZSTD-related code declarations and implementations.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:24:44.797Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: src/aws/flb_aws_compress.c:26-26
Timestamp: 2025-08-29T06:24:44.797Z
Learning: In Fluent Bit, ZSTD support is always available and enabled by default. The build system automatically detects and uses either the system libzstd library or builds the bundled ZSTD version. Unlike other optional dependencies like Arrow which use conditional compilation guards (e.g., FLB_HAVE_ARROW), ZSTD does not require conditional includes or build flags.
Applied to files:
cmake/kafka.cmake
🔇 Additional comments (1)
cmake/kafka.cmake (1)
31-33: LGTM! Clear documentation of platform differences.The comments effectively document the platform-specific SASL requirements and help future maintainers understand why the logic differs between Windows and other platforms.
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Collaborator
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Thanks for this, was wondering what was up with it! |
7 tasks
Use "FLB_TLS" AS justifaction. Signed-off-by: BP Cheng <bp_cheng@hotmail.com>
There was a problem hiding this comment.
Actionable comments posted: 1
📜 Review details
Configuration used: defaults
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (1)
cmake/kafka.cmake
🧰 Additional context used
🧠 Learnings (8)
📓 Common learnings
Learnt from: ThomasDevoogdt
Repo: fluent/fluent-bit PR: 9277
File: .github/workflows/pr-compile-check.yaml:147-151
Timestamp: 2025-08-31T12:46:11.940Z
Learning: In fluent-bit, the correct CMake flag for using system librdkafka is `FLB_PREFER_SYSTEM_LIB_KAFKA=ON`.
Learnt from: ThomasDevoogdt
Repo: fluent/fluent-bit PR: 9277
File: .github/workflows/pr-compile-check.yaml:147-151
Timestamp: 2025-08-31T12:46:11.940Z
Learning: In fluent-bit CMakeLists.txt, the system library preference flags are defined as FLB_PREFER_SYSTEM_LIB_ZSTD and FLB_PREFER_SYSTEM_LIB_KAFKA with the FLB_ prefix.
📚 Learning: 2025-08-31T12:46:11.940Z
Learnt from: ThomasDevoogdt
Repo: fluent/fluent-bit PR: 9277
File: .github/workflows/pr-compile-check.yaml:147-151
Timestamp: 2025-08-31T12:46:11.940Z
Learning: In fluent-bit, the correct CMake flag for using system librdkafka is `FLB_PREFER_SYSTEM_LIB_KAFKA=ON`.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-31T12:46:11.940Z
Learnt from: ThomasDevoogdt
Repo: fluent/fluent-bit PR: 9277
File: .github/workflows/pr-compile-check.yaml:147-151
Timestamp: 2025-08-31T12:46:11.940Z
Learning: In fluent-bit CMakeLists.txt, the system library preference flags are defined as FLB_PREFER_SYSTEM_LIB_ZSTD and FLB_PREFER_SYSTEM_LIB_KAFKA with the FLB_ prefix.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:25:27.250Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: tests/internal/aws_compress.c:93-107
Timestamp: 2025-08-29T06:25:27.250Z
Learning: In Fluent Bit, ZSTD compression is enabled by default and is treated as a core dependency, not requiring conditional compilation guards like `#ifdef FLB_HAVE_ZSTD`. Unlike some other optional components such as ARROW/PARQUET (which use `#ifdef FLB_HAVE_ARROW` guards), ZSTD support is always available and doesn't need build-time conditionals. ZSTD headers are included directly without guards across multiple plugins and core components.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:24:55.855Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: src/aws/flb_aws_compress.c:52-56
Timestamp: 2025-08-29T06:24:55.855Z
Learning: ZSTD compression is always available in Fluent Bit and does not require conditional compilation guards. Unlike Arrow/Parquet which use #ifdef FLB_HAVE_ARROW guards, ZSTD is built unconditionally with flb_zstd.c included directly in src/CMakeLists.txt and a bundled ZSTD library at lib/zstd-1.5.7/.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:25:27.250Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: tests/internal/aws_compress.c:93-107
Timestamp: 2025-08-29T06:25:27.250Z
Learning: In Fluent Bit, ZSTD compression is enabled by default and is treated as a core dependency, not requiring conditional compilation guards like `#ifdef FLB_HAVE_ZSTD`. Unlike some other optional components, ZSTD support is always available and doesn't need build-time conditionals.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:24:26.170Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: tests/internal/aws_compress.c:39-42
Timestamp: 2025-08-29T06:24:26.170Z
Learning: In Fluent Bit, ZSTD compression support is enabled by default and does not require conditional compilation guards (like #ifdef FLB_HAVE_ZSTD) around ZSTD-related code declarations and implementations.
Applied to files:
cmake/kafka.cmake
📚 Learning: 2025-08-29T06:24:44.797Z
Learnt from: shadowshot-x
Repo: fluent/fluent-bit PR: 10794
File: src/aws/flb_aws_compress.c:26-26
Timestamp: 2025-08-29T06:24:44.797Z
Learning: In Fluent Bit, ZSTD support is always available and enabled by default. The build system automatically detects and uses either the system libzstd library or builds the bundled ZSTD version. Unlike other optional dependencies like Arrow which use conditional compilation guards (e.g., FLB_HAVE_ARROW), ZSTD does not require conditional includes or build flags.
Applied to files:
cmake/kafka.cmake
Signed-off-by: BP Cheng <bp_cheng@hotmail.com>
Author
Hah, taking quite a lot of time to find the Route Cause. |
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On Windows, OAuth Bearer authentication was incorrectly disabled because
the detection logic tied FLB_SASL_OAUTHBEARER_ENABLED to finding Cyrus
SASL (libsasl2), which is not available on Windows.
However, Windows has built-in SASL support through SSPI (Security Support
Provider Interface), and librdkafka can use OAuth Bearer on Windows when
SSL is available, without requiring Cyrus SASL.
This change adds platform-specific detection:
Signed-off-by: Gang bp_cheng@hotmail.com
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