Optimize download&compilation of opentracing (#3276)

* opentracing runable
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* optimize opentracing
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* rm opentracing from Thirdpartypackages.cmake
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* rm dup links
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* fit unittest cann't compile bug
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* fix format
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>
Co-authored-by: Nyangxuan <xuan.yang@zilliz.com>

core/cmake/ThirdPartyPackages.cmake

@@ -16,7 +16,6 @@ set(MILVUS_THIRDPARTY_DEPENDENCIES
         SQLite
         libunwind
         gperftools
-        Opentracing
         fiu
         AWS
         oatpp)
@@ -41,8 +40,6 @@ macro(build_dependency DEPENDENCY_NAME)
         build_libunwind()
     elseif ("${DEPENDENCY_NAME}" STREQUAL "gperftools")
         build_gperftools()
-    elseif ("${DEPENDENCY_NAME}" STREQUAL "Opentracing")
-        build_opentracing()
     elseif ("${DEPENDENCY_NAME}" STREQUAL "fiu")
         build_fiu()
     elseif ("${DEPENDENCY_NAME}" STREQUAL "oatpp")
@@ -253,13 +250,6 @@ else ()
             "https://github.com/gperftools/gperftools/releases/download/gperftools-${GPERFTOOLS_VERSION}/gperftools-${GPERFTOOLS_VERSION}.tar.gz")
 endif ()
 
-if (DEFINED ENV{MILVUS_OPENTRACING_URL})
-    set(OPENTRACING_SOURCE_URL "$ENV{MILVUS_OPENTRACING_URL}")
-else ()
-    set(OPENTRACING_SOURCE_URL "https://github.com/opentracing/opentracing-cpp/archive/${OPENTRACING_VERSION}.tar.gz"
-          "https://gitee.com/quicksilver/opentracing-cpp/repository/archive/${OPENTRACING_VERSION}.zip")
-endif ()
-
 if (DEFINED ENV{MILVUS_FIU_URL})
     set(FIU_SOURCE_URL "$ENV{MILVUS_FIU_URL}")
 else ()
@@ -564,58 +554,6 @@ if (MILVUS_WITH_GPERFTOOLS)
     link_directories(SYSTEM ${GPERFTOOLS_PREFIX}/lib)
 endif ()
 
-# ----------------------------------------------------------------------
-# opentracing
-
-macro(build_opentracing)
-    message(STATUS "Building OPENTRACING-${OPENTRACING_VERSION} from source")
-    set(OPENTRACING_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/opentracing_ep-prefix/src/opentracing_ep")
-    set(OPENTRACING_STATIC_LIB "${OPENTRACING_PREFIX}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}opentracing${CMAKE_STATIC_LIBRARY_SUFFIX}")
-    set(OPENTRACING_MOCK_TRACER_STATIC_LIB "${OPENTRACING_PREFIX}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}opentracing_mocktracer${CMAKE_STATIC_LIBRARY_SUFFIX}")
-    set(OPENTRACING_INCLUDE_DIR "${OPENTRACING_PREFIX}/include")
-    set(OPENTRACING_CMAKE_ARGS
-            ${EP_COMMON_CMAKE_ARGS}
-            "-DCMAKE_INSTALL_PREFIX=${OPENTRACING_PREFIX}"
-            -DBUILD_SHARED_LIBS=OFF)
-
-    ExternalProject_Add(opentracing_ep
-            URL
-            ${OPENTRACING_SOURCE_URL}
-            ${EP_LOG_OPTIONS}
-            URL_MD5
-            "e598ba4b81ae8e1ceed8cd8bbf86f2fd"
-            CMAKE_ARGS
-            ${OPENTRACING_CMAKE_ARGS}
-            BUILD_COMMAND
-            ${MAKE}
-            ${MAKE_BUILD_ARGS}
-            BUILD_BYPRODUCTS
-            ${OPENTRACING_STATIC_LIB}
-            ${OPENTRACING_MOCK_TRACER_STATIC_LIB}
-            )
-
-    file(MAKE_DIRECTORY "${OPENTRACING_INCLUDE_DIR}")
-    add_library(opentracing STATIC IMPORTED)
-    set_target_properties(opentracing
-            PROPERTIES IMPORTED_LOCATION "${OPENTRACING_STATIC_LIB}"
-            INTERFACE_INCLUDE_DIRECTORIES "${OPENTRACING_INCLUDE_DIR}")
-
-    add_library(opentracing_mocktracer STATIC IMPORTED)
-    set_target_properties(opentracing_mocktracer
-            PROPERTIES IMPORTED_LOCATION "${OPENTRACING_MOCK_TRACER_STATIC_LIB}"
-            INTERFACE_INCLUDE_DIRECTORIES "${OPENTRACING_INCLUDE_DIR}")
-
-    add_dependencies(opentracing opentracing_ep)
-    add_dependencies(opentracing_mocktracer opentracing_ep)
-endmacro()
-
-if (MILVUS_WITH_OPENTRACING)
-    resolve_dependency(Opentracing)
-
-    get_target_property(OPENTRACING_INCLUDE_DIR opentracing INTERFACE_INCLUDE_DIRECTORIES)
-    include_directories(SYSTEM ${OPENTRACING_INCLUDE_DIR})
-endif ()
-
 # ----------------------------------------------------------------------
 # fiu
 macro(build_fiu)

core/src/CMakeLists.txt

@@ -48,11 +48,11 @@ add_subdirectory( storage )
 add_subdirectory( cache )
 add_subdirectory( codecs )
 add_subdirectory( segment )
+add_subdirectory( tracing )
 
 add_subdirectory( utils )
 add_subdirectory( metrics )
 add_subdirectory( config )
-add_subdirectory( tracing )
 add_subdirectory( query )
 add_subdirectory( db ) # target milvus_engine
 add_subdirectory( log )
@@ -62,7 +62,6 @@ set(link_lib
         milvus_engine
         config
         metrics
-        tracing
         log
         oatpp
         query

core/src/db/CMakeLists.txt

@@ -145,6 +145,7 @@ target_link_libraries( milvus_engine
                        cache
                        storage
                        codecs
+                       tracing
                        ${THIRD_PARTY_LIBS}
                        ${ENGINE_LIBS}
                        )

core/src/tracing/CMakeLists.txt

@@ -15,11 +15,11 @@ aux_source_directory( ${MILVUS_ENGINE_SRC}/tracing  TRACING_FILES )
 
 add_library( tracing STATIC ${TRACING_FILES} )
 
-set( TRACING_LIB    opentracing
-                    opentracing_mocktracer
+set( TRACING_LIB    opentracing::opentracing
+                    opentracing::mocktracer
                     pthread
                     z
                     dl
                     )
 
-target_link_libraries( tracing ${TRACING_LIB} )
+target_link_libraries( tracing PUBLIC ${TRACING_LIB} )

core/thirdparty/CMakeLists.txt

@@ -46,3 +46,8 @@ endif ()
 if ( MILVUS_WITH_YAMLCPP )
     add_subdirectory( yaml-cpp )
 endif()
+
+# ****************************** Thirdparty opentracing ***************************************
+if ( MILVUS_WITH_OPENTRACING )
+    add_subdirectory( opentracing )
+endif()

core/thirdparty/opentracing/CMakeLists.txt

+#-------------------------------------------------------------------------------
+# Copyright (C) 2019-2020 Zilliz. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+# or implied. See the License for the specific language governing permissions and limitations under the License.
+#-------------------------------------------------------------------------------
+
+if ( DEFINED ENV{MILVUS_OPENTRACING_URL} )
+    set(OPENTRACING_SOURCE_URL "$ENV{MILVUS_OPENTRACING_URL}")
+else ()
+    set(OPENTRACING_SOURCE_URL
+        "https://github.com/opentracing/opentracing-cpp/archive/${OPENTRACING_VERSION}.tar.gz" )
+endif ()
+
+message(STATUS "Building OPENTRACING-${OPENTRACING_VERSION} from source")
+
+FetchContent_Declare(
+    opentracing
+    URL         ${OPENTRACING_SOURCE_URL}
+    URL_MD5     "e598ba4b81ae8e1ceed8cd8bbf86f2fd"
+    SOURCE_DIR  ${CMAKE_CURRENT_BINARY_DIR}/opentracing-src
+    BINARY_DIR  ${CMAKE_CURRENT_BINARY_DIR}/opentracing-build
+    )
+
+set( BUILD_SHARED_LIBS  CACHE BOOL OFF FORCE)
+set( ENABLE_LINTING     CACHE BOOL OFF FORCE)
+set( BUILD_TESTING      CACHE BOOL OFF FORCE )
+FetchContent_GetProperties( opentracing )
+if ( NOT opentracing_POPULATED )
+
+    FetchContent_Populate( opentracing )
+
+    # Adding the following targets:
+    # opentracing-static
+    # opentracing_mocktracer-static
+    add_subdirectory( ${opentracing_SOURCE_DIR}
+                      ${opentracing_BINARY_DIR}
+                      EXCLUDE_FROM_ALL )
+
+    # Opentracing-cpp CMakeLists.txt file didn't give a
+    # correct interface directories
+    target_include_directories( opentracing-static
+        INTERFACE   $<BUILD_INTERFACE:${opentracing_SOURCE_DIR}/include>
+                    $<BUILD_INTERFACE:${opentracing_BINARY_DIR}/include>
+                    $<BUILD_INTERFACE:${opentracing_SOURCE_DIR}/3rd_party/include> )
+    target_include_directories( opentracing_mocktracer-static
+        INTERFACE  $<BUILD_INTERFACE:${opentracing_SOURCE_DIR}/mocktracer/include> )
+    # Adding the following ALIAS Targets:
+    # opentracing::opentracing
+    # opentracing::mocktracer
+    if ( NOT TARGET opentracing::opentracing )
+        add_library( opentracing::opentracing ALIAS opentracing-static )
+    endif()
+    if ( NOT TARGET opentracing::mocktracer )
+        add_library( opentracing::mocktracer ALIAS opentracing_mocktracer-static )
+    endif()
+
+endif()
+
+get_property( var DIRECTORY "${opentracing_SOURCE_DIR}" PROPERTY COMPILE_OPTIONS )
+message( STATUS "opentracing compile options: ${var}" )

core/unittest/CMakeLists.txt

@@ -54,8 +54,8 @@ set( UNITTEST_LIBS  sqlite
                     libstdc++fs.a
                     pthread
                     gfortran
-                    opentracing
-                    opentracing_mocktracer
+                    opentracing::opentracing
+                    opentracing::mocktracer
                     fiu
                     dl
                     z