Docker support in Slider is tech preview only. You should start looking into Docker and long-running services support in YARN 3.x - https://github.com/apache/hadoop/blob/trunk/hadoop-yarn-project/hadoop-yarn /hadoop-yarn-site/src/site/markdown/yarn-service/Overview.md
First GA release is targeted for 3.1.0. For this problem, what is the component name you specified for redis in your resources.json? Did you follow the exporting data documentation - https://slider.incubator.apache.org/docs/slider_specs/specifying_exports.ht ml This hbase metainfo.xml will also help to understand - https://github.com/apache/incubator-slider/blob/master/app-packages/hbase/m etainfo.xml -Gour On 1/4/18, 5:44 PM, "shreyas subramanya" <shreyass...@gmail.com> wrote: >Hi, >I have been experimenting with slider to run docker containers on a >yarn cluster (HDP 2.6) by following >https://slider.incubator.apache.org/docs/slider_specs/application_pkg_dock >er.html >and was able to launch the redis and nodejs docker containers. However >the only thing that I could not get to work is nodejs to connect to >redis container. The REDIS_HOST env variable in the appConfig.json >shows up as empty. Here is the line that sets this env variable: > >"nodejs.options":"-d -e REDIS_HOST=${REDIS_HOST} --net=host" > >So how do I solve this problem? Specifically, I need is to be able to >dynamically discover my peer container address from within one >container. Any help is much appreciated. > >Thanks, >Shreyas >