ADD https://www.softwarecollections.org/en/scls/rhscl/rh-python34/epel-6-x86_64/download/rhscl-rh-python34-epel-6-x86_64.noarch.rpm https://www.softwarecollections.org/en/scls/rhscl/python27/epel-6-x86_64/download/rhscl-python27-epel-6-x86_64.noarch.rpm /opt/
RUN yum -q -y install /opt/rhscl-*.rpm
-RUN yum -q -y install python27 rh-python34
+
+# Need to "touch" RPM database to workaround bug in interaction between
+# overlayfs and yum (https://bugzilla.redhat.com/show_bug.cgi?id=1213602)
+RUN touch /var/lib/rpm/* && yum -q -y install python27 rh-python34
ENV WORKSPACE /arvados
CMD ["scl", "enable", "rh-python34", "python27", "/usr/local/rvm/bin/rvm-exec default bash /jenkins/run-build-packages.sh --target centos6"]