Support python with ssl (#96)

Author: mattgodbolt

Dockerfile.python

@@ -11,8 +11,8 @@ RUN apt update -y -q && apt upgrade -y -q && apt update -y -q && \
     apt -q install -y \
     curl \
     git \
-    libssl-dev \
     unzip \
+    patchelf \
     xz-utils
 
 RUN mkdir -p /root

python/build.sh

@@ -18,24 +18,47 @@ fi
 REVISION="python-${VERSION}"
 initialise "${REVISION}" "${OUTPUT}" "${LAST_REVISION}"
 
-DEST=/root/built
+SSL_PREFIX=/root/ssl
+SSL_VERSION=3.3.2
+curl -sL https://github.com/openssl/openssl/releases/download/openssl-${SSL_VERSION}/openssl-${SSL_VERSION}.tar.gz | tar zxf -
+pushd openssl-${SSL_VERSION}
+./Configure --prefix=${SSL_PREFIX}
+make -j$(nproc)
+make install_sw
+popd
+
+# Python seems to hardcode ssldir/lib and not ssldir/lib64
+ln -s lib64 ${SSL_PREFIX}/lib
+
+# The rpath below seems to not quite "take"
+export LD_LIBRARY_PATH=${SSL_PREFIX}/lib64
+
+DEST=/root/python
 
 curl -sL https://www.python.org/ftp/python/${VERSION}/Python-${VERSION}.tgz | tar zxf -
 pushd Python-${VERSION}
 ./configure \
     --prefix=${DEST} \
-    --enable-optimizations \
-    --without-pymalloc
+    --with-openssl=${SSL_PREFIX} \
+    --with-openssl-rpath=${SSL_PREFIX}/lib64 \
+    --without-pymalloc \
+    --enable-optimizations
 
 make -j$(nproc)
 make install
 popd
 
+# copy SSL SOs to the same directory as the native python modules
+cp ${SSL_PREFIX}/lib64/*.so* /root/python/lib/python*/lib-dynload/
+
+# then patch the ssl to look at $ORIGIN to find the crypto libs
+patchelf --set-rpath \$ORIGIN /root/python/lib/python*/lib-dynload/_ssl*.so
+
 # strip executables
 find ${DEST} -type f -perm /u+x -exec strip -d {} \;
 
 # delete tests and static libraries to save disk space
 find ${DEST} -type d -name test -exec rm -rf {} +
-find ${DEST} -type f -name *.a -delete
+find ${DEST} -type f -name '*.a' -delete
 
 complete "${DEST}" "${FULLNAME}" "${OUTPUT}"