Add ubuntu dockerfile

ubuntu/Dockerfile

@@ -0,0 +1,61 @@
+FROM ubuntu:xenial
+
+RUN set -x \
+	&& apt-get update \
+	&& apt-get install -y --no-install-recommends \
+		build-essential \
+		ca-certificates \
+		curl \
+		git \
+		liberasurecode-dev \
+		libffi-dev \
+		libldap2-dev \
+		libmysqlclient-dev \
+		libnss3-dev \
+		libpq-dev \
+		libsasl2-dev \
+		libssl-dev \
+		libxml2-dev \
+		libxslt1-dev \
+		libvirt-dev \
+		libyaml-dev \
+		libz-dev \
+		pkg-config \
+		python \
+		python-dev \
+	&& curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py \
+	&& python get-pip.py \
+	&& rm get-pip.py \
+	&& mkdir /root/packages \
+	&& curl https://git.openstack.org/cgit/openstack/requirements/plain/global-requirements.txt > /root/packages/global-requirements.txt \
+	&& curl https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt > /root/packages/upper-constraints.txt \
+	# NOTE(SamYaple): There is a bug with python-nss, this is a workaround. https://bugzilla.redhat.com/show_bug.cgi?id=1389739
+	&& sed -i '/dogtag-pki/d' /root/packages/global-requirements.txt \
+	&& pip download -d /tmp -c /root/packages/upper-constraints.txt python-nss \
+	&& mkdir /tmp/python-nss \
+	&& tar xvf /tmp/python-nss-*.tar.bz2 -C /tmp/python-nss --strip-components=1 \
+	&& sed -i "s/if arg in ('-d', '--debug'):/if arg == '--debug':/g" /tmp/python-nss/setup.py \
+	&& pip wheel -w /root/packages/ $(grep dogtag-pki /root/packages/upper-constraints.txt) /tmp/python-nss/ \
+	# NOTE(SamYaple): end bug workaround
+	&& pip wheel -w /root/packages/ -r /root/packages/global-requirements.txt -c /root/packages/upper-constraints.txt \
+	&& apt-get purge -y --auto-remove \
+		build-essential \
+		ca-certificates \
+		curl \
+		git \
+		liberasurecode-dev \
+		libffi-dev \
+		libldap2-dev \
+		libmysqlclient-dev \
+		libnss3-dev \
+		libpq-dev \
+		libsasl2-dev \
+		libssl-dev \
+		libxml2-dev \
+		libxslt1-dev \
+		libvirt-dev \
+		libyaml-dev \
+		libz-dev \
+		pkg-config \
+		python-dev \
+	&& rm -rf /var/lib/apt/lists/* /tmp/* /root/.cache