For detail info, please refer to following  Akshat’s article, for my article only simply summary step to build openr on ncs5500. Thanks Akshat’s help for the openr set up 🙂

https://xrdocs.io/cisco-service-layer/blogs/2018-02-16-xr-s-journey-to-the-we-b-st-open-r-integration-with-ios-xr/

1. Set up the private insecure registry on your server

Refer as follow:

https://docs.docker.com/registry/deploying/ 

https://xrdocs.io/application-hosting/tutorials/2017-02-26-running-docker-containers-on-ios-xr-6-1-2/#private-insecure-registry

[root@nso ~]# nano /etc/yum.repos.d/docker.repo
[root@nso ~]# yum install docker-engine 
[root@nso ~]# systemctl start docker
[root@nso ~]# docker run -d -p 5000:5000 --restart=always --name registry registry:2
[root@nso ~]# docker pull akshshar/openr-xr
[root@nso ~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
c4636568f48a        registry:2          "/entrypoint.sh /e..."   6 minutes ago       Up 6 minutes        0.0.0.0:5000->5000/tcp   registry

[root@nso ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
registry            2                   f32a97de94e1        13 days ago         25.8MB
akshshar/openr-xr   latest              b51c260b060e        2 months ago        1.76GB

[root@nso ~]# docker tag akshshar/openr-xr 10.75.58.72:5000/openr-xr
[root@nso ~]# docker images
REPOSITORY                  TAG                 IMAGE ID            CREATED             SIZE
registry                    2                   f32a97de94e1        13 days ago         25.8MB
akshshar/openr-xr           latest              b51c260b060e        2 months ago        1.76GB
10.75.58.72:5000/openr-xr   latest              b51c260b060e        2 months ago        1.76GB
[root@nso ~]# docker push 10.75.58.72:5000/openr-xr
The push refers to a repository [10.75.58.72:5000/openr-xr]
Get https://10.75.58.72:5000/v1/_ping: http: server gave HTTP response to HTTPS client
[root@nso ~]# 

2. Add follow at “/etc/sysconfig/docker”

After changing the docker opts, please wait some seconds, docker will auto restart.

DOCKER_OPTS=" --insecure-registry 10.75.58.72:5000"

完整阅读