add redis container

Signed-off-by: Qi Zheng <qi.zheng@intel.com>

.travis.yml

@@ -13,6 +13,7 @@ env:
   - DOCKERFILE_DIR=stacks/dlrs/mkl
   - DOCKERFILE_DIR=postgres
   - DOCKERFILE_DIR=nginx
+  - DOCKERFILE_DIR=redis
 
 script:
   - cd $DOCKERFILE_DIR

README.md

@@ -12,6 +12,7 @@ Containers
 - mixer-ci
 - Keystone
 - MariaDB
+- redis
 - stacks-dlrs-oss
 - stacks-dlrs-mkl
 - stacks-pytorch-oss

redis/Dockerfile

@@ -0,0 +1,19 @@
+FROM clearlinux:latest
+MAINTAINER qi.zheng@intel.com
+
+ARG swupd_args
+
+RUN swupd update $swupd_args \
+	&& swupd bundle-add redis-native $swupd_args \
+	&& rm -rf /var/lib/swupd/* \
+	&& mkdir /data && chown redis:redis /data
+
+VOLUME /data
+WORKDIR /data
+
+COPY docker-entrypoint.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+EXPOSE 6379
+CMD ["redis-server"]

redis/README.md

@@ -0,0 +1,43 @@
+Redis
+==========
+This provides a Clear Linux* Redis instance.
+
+Build
+-----
+```
+docker build -t clearlinux/redis .
+```
+
+Or just pull it from Dockerhub
+---------------------------
+```
+docker pull clearlinux/redis
+```
+
+start a redis instance
+-----------------------
+```
+docker run --name some-redis --network some-network -d clearlinux/redis redis-server --protected-mode no
+```
+
+connecting via redis-cli
+---------------------
+```
+docker run -it --network some-network --rm clearlinux/redis redis-cli -h some-redis
+```
+
+benchmark test
+---------------------
+```
+docker run --network some-network --rm clearlinux/redis redis-benchmark -h some-redis
+```
+
+details of how-to
+---------------------
+Please refer to the official redis image [page](https://hub.docker.com/_/redis).
+
+Extra Build ARGs
+----------------
+- ``swupd_args`` Specifies [SWUPD](https://clearlinux.org/documentation/swupdate_how_to_run_the_updater.html) flags
+
+Default build args in Docker are on: https://docs.docker.com/engine/reference/builder/#arg

redis/docker-entrypoint.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+set -e
+
+# first arg is `-f` or `--some-option`
+# or first arg is `something.conf`
+if [ "${1#-}" != "$1" ] || [ "${1%.conf}" != "$1" ]; then
+	set -- redis-server "$@"
+fi
+
+# allow the container to be started with `--user`
+if [ "$1" = 'redis-server' -a "$(id -u)" = '0' ]; then
+	find . \! -user redis -exec chown redis '{}' +
+	echo "su redis -s /bin/bash -c \"$0 $@\"" | exec
+fi
+
+exec "$@"