build: ensure openssl11

.ci/build_packages/tests.sh

@@ -88,6 +88,12 @@ emqx_test(){
             ;;
             "rpm")
                 packagename=$(basename "${PACKAGE_PATH}/${EMQX_NAME}"-*.rpm)
+
+                if [[ "${ARCH}" == "amd64" && $(rpm -E '%{rhel}') == 7 ]] ; then
+                    # EMQX OTP requires openssl11 to have TLS1.3 support
+                    yum install -y openssl11
+                fi
+
                 rpm -ivh "${PACKAGE_PATH}/${packagename}"
                 if ! rpm -q emqx | grep -q emqx; then
                     echo "package install error"

deploy/packages/rpm/emqx.spec

@@ -19,6 +19,12 @@ BuildRoot: %{_tmppath}/%{_name}-%{_version}-root
 Provides: %{_name}
 AutoReq: 0
 
+%if "%{_arch} %{?rhel}" == "amd64 7"
+Requires: openssl11 libatomic
+%else
+Requires: libatomic
+%endif
+
 %description
 EMQX, a distributed, massively scalable, highly extensible MQTT message broker written in Erlang/OTP.