Merge remote-tracking branch 'github/main' into fix_lifetime_in_log_r…

…ecord

.github/workflows/ci.yml

@@ -49,15 +49,15 @@ jobs:
         submodules: 'recursive'
     - name: setup
       env:
-        CC: /usr/bin/gcc-10
-        CXX: /usr/bin/g++-10
+        CC: /usr/bin/gcc-12
+        CXX: /usr/bin/g++-12
       run: |
         sudo -E ./ci/setup_googletest.sh
         sudo -E ./ci/setup_ci_environment.sh
     - name: run cmake tests (without otlp-exporter)
       env:
-        CC: /usr/bin/gcc-10
-        CXX: /usr/bin/g++-10
+        CC: /usr/bin/gcc-12
+        CXX: /usr/bin/g++-12
       run: |
         ./ci/do_ci.sh cmake.test
 
@@ -263,15 +263,15 @@ jobs:
         submodules: 'recursive'
     - name: setup
       env:
-        CC: /usr/bin/gcc-10
-        CXX: /usr/bin/g++-10
+        CC: /usr/bin/gcc-12
+        CXX: /usr/bin/g++-12
       run: |
         sudo -E ./ci/setup_googletest.sh
         sudo -E ./ci/setup_ci_environment.sh
     - name: run cmake tests (without otlp-exporter)
       env:
-        CC: /usr/bin/gcc-10
-        CXX: /usr/bin/g++-10
+        CC: /usr/bin/gcc-12
+        CXX: /usr/bin/g++-12
       run: |
         ./ci/do_ci.sh cmake.with_async_export.test
 
@@ -359,7 +359,7 @@ jobs:
 
   cmake_test_cxx20_clang:
     name: CMake C++20 test(Clang with libc++)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
       with:
@@ -409,7 +409,7 @@ jobs:
 
   cmake_test_cxx23_clang:
     name: CMake C++23 test(Clang with libc++)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
       with:
@@ -538,15 +538,15 @@ jobs:
         submodules: 'recursive'
     - name: setup
       env:
-        CC: /usr/bin/gcc-10
-        CXX: /usr/bin/g++-10
+        CC: /usr/bin/gcc-12
+        CXX: /usr/bin/g++-12
       run: |
         sudo -E ./ci/setup_googletest.sh
         sudo -E ./ci/setup_ci_environment.sh
     - name: run tests
       env:
-        CC: /usr/bin/gcc-10
-        CXX: /usr/bin/g++-10
+        CC: /usr/bin/gcc-12
+        CXX: /usr/bin/g++-12
       run: ./ci/do_ci.sh cmake.test_example_plugin
 
   bazel_test:
@@ -858,7 +858,7 @@ jobs:
 
   code_coverage:
     name: Code coverage
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
       with:
@@ -936,8 +936,8 @@ jobs:
           submodules: 'recursive'
       - name: setup
         env:
-          CC: /usr/bin/gcc-10
-          CXX: /usr/bin/g++-10
+          CC: /usr/bin/gcc-12
+          CXX: /usr/bin/g++-12
         run: |
           sudo -E ./ci/setup_googletest.sh
           sudo -E ./ci/setup_ci_environment.sh

.github/workflows/codeql-analysis.yml

@@ -20,8 +20,8 @@ jobs:
         rm -rf third_party
     - name: Setup
       env:
-        CC: /usr/bin/gcc-10
-        CXX: /usr/bin/g++-10
+        CC: /usr/bin/gcc-12
+        CXX: /usr/bin/g++-12
         GOOGLETEST_VERSION: 1.12.1
       run: |
         sudo -E ./ci/setup_googletest.sh

.github/workflows/iwyu.yml

@@ -67,7 +67,7 @@ jobs:
           readonly WARNING_COUNT=`grep -c "include-what-you-use reported diagnostics:" iwyu.log`
           echo "include-what-you-use reported ${WARNING_COUNT} warning(s)"
           # Acceptable limit, to decrease over time down to 0
-          readonly WARNING_LIMIT=10
+          readonly WARNING_LIMIT=180
           # FAIL the build if WARNING_COUNT > WARNING_LIMIT
           if [ $WARNING_COUNT -gt $WARNING_LIMIT ] ; then
             exit 1

CHANGELOG.md

@@ -15,6 +15,15 @@ Increment the:
 
 ## [Unreleased]
 
+* [SDK] Do not frequently create and destroy http client threads
+  [#3198](https://github.com/open-telemetry/opentelemetry-cpp/pull/3198)
+
+* [SDK] Fix instrumentation scope attributes evaluated in equal method
+  [#3214](https://github.com/open-telemetry/opentelemetry-cpp/pull/3214)
+
+* [EXPORTER] Fix scope attributes missing from otlp traces metrics
+  [#3185](https://github.com/open-telemetry/opentelemetry-cpp/pull/3185)
+
 ## [1.18 2024-11-25]
 
 * [EXPORTER] Fix crash in ElasticsearchLogRecordExporter
@@ -149,9 +158,6 @@ Increment the:
 * [bazel] Update opentelemetry-proto in MODULE.bazel
   [#3163](https://github.com/open-telemetry/opentelemetry-cpp/pull/3163)
 
-* [EXPORTER] Fix scope attributes missing from otlp traces metrics
-  [#3185](https://github.com/open-telemetry/opentelemetry-cpp/pull/3185)
-
 Important changes:
 
 * [API] Jaeger Propagator should not be deprecated

CMakeLists.txt

@@ -645,6 +645,37 @@ if(BUILD_TESTING)
   endif()
   message(STATUS "GTEST_INCLUDE_DIRS   = ${GTEST_INCLUDE_DIRS}")
   message(STATUS "GTEST_BOTH_LIBRARIES = ${GTEST_BOTH_LIBRARIES}")
+
+  # Try to find gmock
+  if(NOT GMOCK_LIB AND TARGET GTest::gmock)
+    set(GMOCK_LIB GTest::gmock)
+  elseif(MSVC)
+    # Explicitly specify that we consume GTest from shared library. The rest of
+    # code logic below determines whether we link Release or Debug flavor of the
+    # library. These flavors have different prefix on Windows, gmock and gmockd
+    # respectively.
+    add_definitions(-DGTEST_LINKED_AS_SHARED_LIBRARY=1)
+    if(GMOCK_LIB)
+      # unset GMOCK_LIB to force find_library to redo the lookup, as the cached
+      # entry could cause linking to incorrect flavor of gmock and leading to
+      # runtime error.
+      unset(GMOCK_LIB CACHE)
+    endif()
+  endif()
+  if(NOT GMOCK_LIB)
+    if(MSVC AND CMAKE_BUILD_TYPE STREQUAL "Debug")
+      find_library(GMOCK_LIB gmockd PATH_SUFFIXES lib)
+    else()
+      find_library(GMOCK_LIB gmock PATH_SUFFIXES lib)
+    endif()
+    # Reset GMOCK_LIB if it was not found, or some target may link
+    # GMOCK_LIB-NOTFOUND
+    if(NOT GMOCK_LIB)
+      unset(GMOCK_LIB)
+      unset(GMOCK_LIB CACHE)
+    endif()
+  endif()
+
   enable_testing()
   if(WITH_BENCHMARK)
     # Benchmark respects the CMAKE_PREFIX_PATH

MODULE.bazel

@@ -13,7 +13,7 @@ bazel_dep(name = "bazel_skylib", version = "1.5.0")
 bazel_dep(name = "curl", version = "8.8.0")
 bazel_dep(name = "grpc", version = "1.63.1.bcr.1", repo_name = "com_github_grpc_grpc")
 bazel_dep(name = "nlohmann_json", version = "3.11.3", repo_name = "github_nlohmann_json")
-bazel_dep(name = "opentelemetry-proto", version = "1.4.0", repo_name = "com_github_opentelemetry_proto")
+bazel_dep(name = "opentelemetry-proto", version = "1.5.0", repo_name = "com_github_opentelemetry_proto")
 bazel_dep(name = "opentracing-cpp", version = "1.6.0", repo_name = "com_github_opentracing")
 bazel_dep(name = "platforms", version = "0.0.8")
 bazel_dep(name = "prometheus-cpp", version = "1.3.0", repo_name = "com_github_jupp0r_prometheus_cpp")

api/include/opentelemetry/detail/preprocessor.h

@@ -11,3 +11,15 @@
 
 #define OPENTELEMETRY_CONCAT(A, B) OPENTELEMETRY_CONCAT_(A, B)
 #define OPENTELEMETRY_CONCAT_(A, B) A##B
+
+// Import the C++20 feature-test macros
+#ifdef __has_include
+#  if __has_include(<version>)
+#    include <version>
+#  endif
+#elif defined(_MSC_VER) && ((defined(__cplusplus) && __cplusplus >= 202002L) || \
+                            (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L))
+#  if _MSC_VER >= 1922
+#    include <version>
+#  endif
+#endif

api/include/opentelemetry/semconv/incubating/hw_metrics.h

@@ -132,7 +132,7 @@ static inline nostd::shared_ptr<metrics::ObservableInstrument> CreateAsyncDouble
  * states <p>
  * @code hw.status @endcode is currently specified as an <em>UpDownCounter</em> but would ideally be
  * represented using a <a
- * href="https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#stateset"><em>StateSet</em>
+ * href="https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#stateset"><em>StateSet</em>
  * as defined in OpenMetrics</a>. This semantic convention will be updated once <em>StateSet</em> is
  * specified in OpenTelemetry. This planned change is not expected to have any consequence on the
  * way users query their timeseries backend to retrieve the values of @code hw.status @endcode over

api/test/singleton/CMakeLists.txt

@@ -3,59 +3,53 @@
 
 include(GoogleTest)
 
-# Header only singletons are not available in windows yet.
-
-if(NOT WIN32)
-
-  add_library(component_a STATIC component_a.cc)
-  target_link_libraries(component_a opentelemetry_api)
-
-  add_library(component_b STATIC component_b.cc)
-  target_link_libraries(component_b opentelemetry_api)
-
-  add_library(component_c SHARED component_c.cc)
-  set_target_properties(component_c PROPERTIES CXX_VISIBILITY_PRESET default)
-  target_link_libraries(component_c opentelemetry_api)
-
-  add_library(component_d SHARED component_d.cc)
-  set_target_properties(component_d PROPERTIES CXX_VISIBILITY_PRESET hidden)
-  target_link_libraries(component_d opentelemetry_api)
-
-  add_library(component_e SHARED component_e.cc)
-  set_target_properties(component_e PROPERTIES CXX_VISIBILITY_PRESET default)
-  target_link_libraries(component_e opentelemetry_api)
-
-  add_library(component_f SHARED component_f.cc)
-  set_target_properties(component_f PROPERTIES CXX_VISIBILITY_PRESET hidden)
-  target_link_libraries(component_f opentelemetry_api)
-
-  add_library(component_g SHARED component_g.cc)
-  set_target_properties(component_g PROPERTIES CXX_VISIBILITY_PRESET default)
-  target_link_libraries(component_g opentelemetry_api)
-
-  add_library(component_h SHARED component_h.cc)
-  set_target_properties(component_h PROPERTIES CXX_VISIBILITY_PRESET hidden)
-  target_link_libraries(component_h opentelemetry_api)
-
-  add_executable(singleton_test singleton_test.cc)
-
-  # Not linking with component_g and component_h on purpose
-  target_link_libraries(
-    singleton_test
-    component_a
-    component_b
-    component_c
-    component_d
-    component_e
-    component_f
-    ${GTEST_BOTH_LIBRARIES}
-    ${CMAKE_THREAD_LIBS_INIT}
-    ${CMAKE_DL_LIBS}
-    opentelemetry_api)
-
-  gtest_add_tests(
-    TARGET singleton_test
-    TEST_PREFIX singleton.
-    TEST_LIST singleton_test)
-
-endif()
+add_library(component_a STATIC component_a.cc)
+target_link_libraries(component_a opentelemetry_api)
+
+add_library(component_b STATIC component_b.cc)
+target_link_libraries(component_b opentelemetry_api)
+
+add_library(component_c SHARED component_c.cc)
+set_target_properties(component_c PROPERTIES CXX_VISIBILITY_PRESET default)
+target_link_libraries(component_c opentelemetry_api)
+
+add_library(component_d SHARED component_d.cc)
+set_target_properties(component_d PROPERTIES CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(component_d opentelemetry_api)
+
+add_library(component_e SHARED component_e.cc)
+set_target_properties(component_e PROPERTIES CXX_VISIBILITY_PRESET default)
+target_link_libraries(component_e opentelemetry_api)
+
+add_library(component_f SHARED component_f.cc)
+set_target_properties(component_f PROPERTIES CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(component_f opentelemetry_api)
+
+add_library(component_g SHARED component_g.cc)
+set_target_properties(component_g PROPERTIES CXX_VISIBILITY_PRESET default)
+target_link_libraries(component_g opentelemetry_api)
+
+add_library(component_h SHARED component_h.cc)
+set_target_properties(component_h PROPERTIES CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(component_h opentelemetry_api)
+
+add_executable(singleton_test singleton_test.cc)
+
+# Not linking with component_g and component_h on purpose
+target_link_libraries(
+  singleton_test
+  component_a
+  component_b
+  component_c
+  component_d
+  component_e
+  component_f
+  ${GTEST_BOTH_LIBRARIES}
+  ${CMAKE_THREAD_LIBS_INIT}
+  ${CMAKE_DL_LIBS}
+  opentelemetry_api)
+
+gtest_add_tests(
+  TARGET singleton_test
+  TEST_PREFIX singleton.
+  TEST_LIST singleton_test)