Install Python 3.12 as optional version

.ci/Jenkinsfile

@@ -88,6 +88,8 @@ def defineModernBaseImageData(Map envValues, String pr_number, String registry,
     imageData["buildArgs"]["CONAN_VERSION"] = conanVersion
     imageData["buildArgs"]["CMAKE_VERSION"] = envValues["CMAKE_VERSION"]
     imageData["buildArgs"]['PYTHON_VERSION'] = envValues["PYTHON_VERSION"]
+    imageData["buildArgs"]['PYTHON_SECOND_VERSION'] = envValues["PYTHON_SECOND_VERSION"]
+    imageData["buildArgs"]['OPENSSL_VERSION'] = envValues["OPENSSL_VERSION"]
     imageData["name"] = getModernImageName(imageData, registry)
     // pull images from registry to be used as cache
     String masterImageName = getImageMasterName(imageData)
@@ -108,6 +110,8 @@ def defineModernImagesData(String compiler, String compilerVersion, Map envValue
     builderImage["buildArgs"]["BUILDKIT_INLINE_CACHE"] = "1" // Enable BuildKit cache
     builderImage["buildArgs"]["CMAKE_VERSION"] = envValues["CMAKE_VERSION"]
     builderImage["buildArgs"]['PYTHON_VERSION'] = envValues["PYTHON_VERSION"]
+    builderImage["buildArgs"]['PYTHON_SECOND_VERSION'] = envValues["PYTHON_SECOND_VERSION"]
+    builderImage["buildArgs"]['OPENSSL_VERSION'] = envValues["OPENSSL_VERSION"]
     builderImage["buildArgs"]['LIBSTDCPP_VERSION'] = envValues["LIBSTDCPP_VERSION"]
     builderImage["buildArgs"]['LIBSTDCPP_PATCH_VERSION'] = envValues["LIBSTDCPP_PATCH_VERSION"]
     builderImage["buildArgs"]['LIBSTDCPP_MAJOR_VERSION'] = envValues["LIBSTDCPP_MAJOR_VERSION"]

images/.env

@@ -8,6 +8,8 @@ DOCKERHUB_USERNAME=conanio
 # This versions are mandatory by 'conan-io/conan-center-index'
 CMAKE_VERSION=3.15.7
 PYTHON_VERSION=3.7.17
+PYTHON_SECOND_VERSION=3.12.7
+OPENSSL_VERSION=3.5.0
 LIBSTDCPP_VERSION=10.3.0
 LIBSTDCPP_PATCH_VERSION=28
 LIBSTDCPP_MAJOR_VERSION=10

images/base/Dockerfile

@@ -18,8 +18,9 @@ COPY conan.lock conanfile.txt /opt/conan/
 RUN apt-get -qq update \
     && apt-get -qq install -y --no-install-recommends software-properties-common \
     && add-apt-repository ppa:git-core/ppa -y \
-    && apt-get -qq update \
-    && apt-get -qq install -y --no-install-recommends --no-install-suggests -o=Dpkg::Use-Pty=0 \
+    && apt-get -qq update
+
+RUN apt-get -qq install -y --no-install-recommends --no-install-suggests -o=Dpkg::Use-Pty=0 \
        sudo \
        binutils \
        wget \
@@ -92,6 +93,25 @@ RUN wget --no-check-certificate --quiet -O /tmp/pyenv-installer https://raw.gith
     && ln -s /usr/share/pyshared/lsb_release.py /opt/pyenv/versions/${PYTHON_VERSION}/lib/python${PYTHON_VERSION%.*}/site-packages/lsb_release.py \
     && pip install -q --upgrade --no-cache-dir pip
 
+# Python +3.10 requires OpenSSL +1.1.x, but Ubuntu 16.04 LTS ships with OpenSSL 1.0.x
+ARG OPENSSL_VERSION
+
+RUN wget --no-check-certificate --quiet -O /tmp/openssl.tar.gz https://github.com/openssl/openssl/releases/download/openssl-${OPENSSL_VERSION}/openssl-${OPENSSL_VERSION}.tar.gz \
+    && tar -xzf /tmp/openssl.tar.gz -C /tmp \
+    && cd /tmp/openssl-${OPENSSL_VERSION} \
+    && ./Configure linux-x86_64 --prefix=/opt/ssl --openssldir=/etc/ssl --libdir=lib no-tests no-unit-test shared \
+    && make -j$(nproc) \
+    && make install_sw install_ssldirs \
+    && rm -rf /tmp/openssl*
+
+ARG PYTHON_SECOND_VERSION
+
+RUN CPPFLAGS=-I/opt/ssl/include \
+    LDFLAGS="-Wl,-rpath,/opt/ssl/lib" \
+    PYTHON_CONFIGURE_OPTS="--enable-shared --with-openssl=/opt/ssl --with-openssl-rpath=auto" \
+    pyenv install ${PYTHON_SECOND_VERSION} \
+    && update-alternatives --install /usr/local/bin/python${PYTHON_SECOND_VERSION%.*} python${PYTHON_SECOND_VERSION%.*} /opt/pyenv/versions/${PYTHON_SECOND_VERSION}/bin/python${PYTHON_SECOND_VERSION%.*} 100
+
 RUN printf '/usr/local/lib\n' > /etc/ld.so.conf.d/20local-lib.conf \
     && printf '/usr/local/lib64\n' >> /etc/ld.so.conf.d/20local-lib.conf \
     && mv /etc/ld.so.conf.d/libc.conf /etc/ld.so.conf.d/10libc.conf \

images/compose.yml

@@ -3,6 +3,8 @@ name: 'conan-docker-tools-modern'
 x-common-args: &common-args
     CMAKE_VERSION: ${CMAKE_VERSION}
     PYTHON_VERSION: ${PYTHON_VERSION}
+    PYTHON_SECOND_VERSION: ${PYTHON_SECOND_VERSION}
+    OPENSSL_VERSION: ${OPENSSL_VERSION}
     CONAN_VERSION: ${CONAN_VERSION}
     LIBSTDCPP_VERSION: ${LIBSTDCPP_VERSION}
     LIBSTDCPP_PATCH_VERSION: ${LIBSTDCPP_PATCH_VERSION}