Add some rudimentary docker packaging

This will help with test bootstrapping

Author: matburt

Makefile

@@ -31,6 +31,9 @@ sdist: dist/$(NAME)-$(VERSION).tar.gz
 dist/$(NAME)-$(VERSION).tar.gz:
 	$(DIST_PYTHON) setup.py sdist
 
+image: dist
+	docker build --rm=true -t $(IMAGE_NAME) -f ./packaging/docker/Dockerfile .
+
 dev:
 	pipenv install
 

packaging/docker/Dockerfile

@@ -0,0 +1,20 @@
+FROM centos:8
+
+ADD https://github.com/krallin/tini/releases/download/v0.18.0/tini /bin/tini
+ADD packaging/docker/entrypoint.sh /bin/entrypoint
+ADD packaging/docker/receptor.conf /tmp/receptor.conf
+RUN yum install -y python36 python3-dateutil
+ADD dist/receptor-0.1.0-py2.py3-none-any.whl /tmp/receptor-0.1.0-py2.py3-none-any.whl
+RUN pip3 install /tmp/receptor-0.1.0-py2.py3-none-any.whl
+RUN mkdir -p /receptor && \
+    chmod +x /bin/tini /bin/entrypoint && \
+    rm -rf /var/cache/yum
+VOLUME /receptor
+ENV LANG=en_US.UTF-8
+ENV LANGUAGE=en_US:en
+ENV LC_ALL=en_US.UTF-8
+ENV HOME=/receptor
+EXPOSE 8888/tcp
+WORKDIR /receptor
+ENTRYPOINT ["entrypoint"]
+CMD ["receptor", "-c", "/receptor/receptor.conf", "node"]

packaging/docker/entrypoint.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+# In OpenShift, containers are run as a random high number uid
+# that doesn't exist in /etc/passwd, but Ansible module utils
+# require a named user. So if we're in OpenShift, we need to make
+# one before Ansible runs.
+if [ `id -u` -ge 500 ] || [ -z "${CURRENT_UID}" ]; then
+
+  cat << EOF > /tmp/passwd
+root:x:0:0:root:/root:/bin/bash
+receptor:x:`id -u`:`id -g`:,,,:/receptor:/bin/bash
+EOF
+
+  cat /tmp/passwd > /etc/passwd
+  rm /tmp/passwd
+fi
+
+if [ ! -f /receptor/receptor.conf ]; then
+    cp /tmp/receptor.conf /receptor/receptor.conf
+fi
+
+exec tini -- "${@}"

packaging/docker/receptor.conf

@@ -0,0 +1,3 @@
+[default]
+data_dir=/receptor/data
+debug=True