Migrate to Conan 2.x

Signed-off-by: yhmo <yihua.mo@zilliz.com>

Author: yhmo

.github/workflows/ut.yaml

@@ -28,21 +28,22 @@ jobs:
       - name: Install Dependency
         run: |
           sudo apt update && sudo apt install -y cmake libopenblas-dev libaio-dev g++-12 gcc-12 python3 python3-pip \
-          && pip3 install conan==1.65.0 \
-          && conan remote add default-conan-local https://milvus01.jfrog.io/artifactory/api/conan/default-conan-local
+          && pip3 install conan==2.25.1 \
+          && conan profile detect \
+          && conan remote add default-conan-local2 https://milvus01.jfrog.io/artifactory/api/conan/default-conan-local2
       - name: Restore Conan Packages
         uses: actions/cache@v4
         with:
-          path: ~/.conan
+          path: ~/.conan2
           key: milvus-common-ubuntu-22.04-${{ hashFiles('conanfile.py')}}
           restore-keys: milvus-common-ubuntu-22.04-
       - name: Build & Run
         run: |
-          mkdir build && cd build && conan install .. --build=missing -o with_ut=True -o with_asan=True -s compiler.libcxx=libstdc++11 -s compiler.version=12 -s compiler.cppstd=17 -s build_type=Release && conan build .. \
+          mkdir build && cd build && conan install .. --build=missing -o with_ut=True -o with_asan=True -s compiler.version=12 -s compiler.cppstd=17 -s build_type=Release -of . && conan build .. -s compiler.version=12 -s compiler.cppstd=17 -s build_type=Release -of . \
           && ./test/test_cachinglayer/cachinglayer_test && ./test/all_tests
       - name: Save Conan Packages
         uses: actions/cache/save@v4
         with:
-          path: ~/.conan
+          path: ~/.conan2
           key: milvus-common-ubuntu-22.04-${{ hashFiles('conanfile.py')}}
           restore-keys: milvus-common-ubuntu-22.04-

Makefile

@@ -27,7 +27,7 @@ conan: deps
 	$(SDKROOT_ENV) \
 	conan install . --build=missing \
 		-s build_type=$(BUILD_TYPE) \
-		-if $(BUILD_DIR)
+		-of $(BUILD_DIR)
 
 configure: conan
 	cmake -S . -B $(BUILD_DIR) \

README.md

@@ -17,10 +17,11 @@ Milvus Common is a core component library that serves as a bridge between Milvus
 ## Build from source
 
 ```
-pip install conan==1.64.0
+pip install conan==2.25.1
+conan profile detect
 mkdir build && cd build
-conan install .. --build=missing -o with_ut=True -s compiler.libcxx=libstdc++11 -s compiler.version=12 -s build_type=Release
-conan build ..
+conan install .. --build=missing -o with_ut=True -s compiler.cppstd=17 -s build_type=Release -of .
+conan build .. -of .
 
 # run ut
 ./test/test_cachinglayer/cachinglayer_test

conanfile.py

@@ -1,34 +1,31 @@
+required_conan_version = ">=2.0"
+
 from conan.tools.microsoft import is_msvc, msvc_runtime_flag
-from conan.tools.build import check_min_cppstd
+from conan.tools.build import check_min_cppstd, cppstd_flag
 from conan.tools.scm import Version
 from conan.tools import files
 from conan import ConanFile
 from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
 from conan.tools.gnu import PkgConfigDeps
 from conan.errors import ConanInvalidConfiguration
-from conans import tools
 import os
 
-required_conan_version = ">=1.55.0"
-
 class MilvusCommonConan(ConanFile):
     settings = "os", "compiler", "build_type", "arch"
     requires = (
         "gtest/1.15.0",
-        "glog/0.7.1",
-        "fmt/11.0.2",
-        "prometheus-cpp/1.2.4",
-        "libcurl/8.10.1",
-        "gflags/2.2.2",
-        "opentelemetry-cpp/1.23.0@milvus/dev#bcd65b63b8db8447178ed93bbc94dcc0",
-        "grpc/1.67.1@milvus/dev#5aa62c51bced448b83d7db9e5b3a13c7",
-        "abseil/20250127.0",
-        "xz_utils/5.4.5",
-        "zlib/1.3.1",
-        "libevent/2.1.12",
-        "openssl/3.3.2",
-        "folly/2024.08.12.00@milvus/dev#e09fc71826ce6b4568441910665f0889",
-        "boost/1.83.0"
+        "glog/0.7.1#a306e61d7b8311db8cb148ad62c48030",
+        "fmt/11.0.2#5b29497e03d2cb09d465bd961f15863a",
+        "prometheus-cpp/1.2.4#0c778513df14dc88bb15ed2e5627ee9e",
+        "gflags/2.2.2#7671803f1dc19354cc90bd32874dcfda",
+        "opentelemetry-cpp/1.23.0@milvus/dev#11bc565ec6e82910ae8f7471da756720",
+        "grpc/1.67.1@milvus/dev#e05fe4470d8577922d7cb0a4356dc082",
+        "abseil/20250127.0#481edcc75deb0efb16500f511f0f0a1c",
+        "xz_utils/5.4.5#fc4e36861e0a47ecd4a40a00e6d29ac8",
+        "zlib/1.3.1#8045430172a5f8d56ba001b14561b4ea",
+        "libevent/2.1.12#95065aaefcd58d3956d6dfbfc5631d97",
+        "folly/2024.08.12.00@milvus/dev#d9458305ab94d35c27e5c831304d0081",
+        "boost/1.83.0#4e8a94ac1b88312af95eded83cd81ca8",
     )
 
     options = {
@@ -37,26 +34,30 @@ class MilvusCommonConan(ConanFile):
     }
 
     default_options = {
-        "folly:shared": True,
-        "gtest:build_gmock": True,
-        "openssl:shared": True,
-        "gflags:shared": True,
-        "glog:with_gflags": True,
-        "glog:shared": True,
-        "prometheus-cpp:with_pull": False,
-        "fmt:header_only": False,
-        "opentelemetry-cpp:with_stl": True,
+        "folly/*:shared": True,
+        "gtest/*:build_gmock": True,
+        "openssl/*:shared": True,
+        "gflags/*:shared": True,
+        "glog/*:with_gflags": True,
+        "glog/*:shared": True,
+        "prometheus-cpp/*:with_pull": False,
+        "fmt/*:header_only": False,
+        "opentelemetry-cpp/*:with_stl": True,
         "with_ut": False,
         "with_asan": False,
     }
 
     def requirements(self):
         # Force all dependencies to use protobuf from milvus/dev channel
         # This is needed to resolve conflicts between opentelemetry-cpp and grpc
-        self.requires("protobuf/5.27.0@milvus/dev#6fff8583e2fe32babef04a9097f1d581", force=True, override=True)
-        self.requires("lz4/1.9.4", force=True, override=True)
+        self.requires("protobuf/5.27.0@milvus/dev#42f031a96d21c230a6e05bcac4bdd633", force=True, override=True)
+        self.requires("lz4/1.9.4#1cd3101f8392f5a651cbf390e8a48619", force=True, override=True)
+        # Force overrides to resolve opentelemetry-cpp's transitive deps
+        self.requires("openssl/3.3.2#90b3fc29e196eb631636c25d3516cd93", force=True, override=True)
+        self.requires("libcurl/8.10.1#8d304dbeaca191a11eb45b5bea1c0e0e", force=True, override=True)
+        self.requires("nlohmann_json/3.11.3#ffb9e9236619f1c883e36662f944345d", force=True)
         if self.settings.os != "Macos":
-            self.requires("libunwind/1.8.1")
+            self.requires("libunwind/1.8.1#748a981ace010b80163a08867b732e71")
 
     @property
     def _minimum_cpp_standard(self):
@@ -75,7 +76,7 @@ def generate(self):
         # Honor BUILD_SHARED_LIBS from conan_toolchain (see https://github.com/conan-io/conan/issues/11840)
         tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0077"] = "NEW"
 
-        cxx_std_flag = tools.cppstd_flag(self.settings)
+        cxx_std_flag = cppstd_flag(self)
         cxx_std_value = (
             cxx_std_flag.split("=")[1]
             if cxx_std_flag