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IOS XR Golden ISO

Creating a Golden ISO image (GISO)

Get the base image, packages and SMU's in a sinlge folder, along with gisobuild.py script.

$ ls
gisobuild.py
ncs5500-dpa-4.0.0.1-r6225.CSCvg54541.x86_64.rpm
ncs5500-dpa-4.0.0.2-r6225.CSCvg05355.x86_64.rpm
ncs5500-dpa-4.0.0.3-r6225.CSCvg03646.x86_64.rpm
ncs5500-dpa-fwding-6.0.0.1-r6225.CSCvf82318.x86_64.rpm
ncs5500-dpa-fwding-6.0.0.2-r6225.CSCvh23936.x86_64.rpm
ncs5500-fwding-4.0.0.1-r6225.CSCvh23936.x86_64.rpm
ncs5500-goldenk9-x.iso-6.2.25.version2
ncs5500-infra-6.0.0.1-r6225.CSCvf82318.x86_64.rpm
ncs5500-infra-6.0.0.2-r6225.CSCvf01652.x86_64.rpm
ncs5500-infra-6.0.0.3-r6225.CSCvg33624.x86_64.rpm
ncs5500-infra-6.0.0.4-r6225.CSCvf07773.x86_64.rpm
ncs5500-iosxr-fwding-6.0.0.1-r6225.CSCvg43030.x86_64.rpm
ncs5500-iosxr-fwding-6.0.0.2-r6225.CSCvh25756.x86_64.rpm
ncs5500-isis-2.2.0.0-r6225.x86_64.rpm
ncs5500-k9sec-3.2.0.0-r6225.x86_64.rpm
ncs5500-k9sec-3.2.0.1-r6225.CSCvg20030.x86_64.rpm
ncs5500-mcast-2.2.0.0-r6225.x86_64.rpm
ncs5500-mgbl-3.0.0.0-r6225.x86_64.rpm
ncs5500-mini-x-6.2.25.iso
ncs5500-mpls-2.1.0.0-r6225.x86_64.rpm
ncs5500-mpls-te-rsvp-2.3.0.0-r6225.x86_64.rpm
ncs5500-mpls-te-rsvp-2.3.0.1-r6225.CSCvg13217.x86_64.rpm
ncs5500-os-7.0.0.1-r6225.CSCvg26533.x86_64.rpm
ncs5500-os-7.0.0.2-r6225.CSCvf23036.x86_64.rpm
ncs5500-ospf-2.0.0.0-r6225.x86_64.rpm
ncs5500-os-support-5.0.0.1-r6225.CSCvg05355.x86_64.rpm
ncs5500-os-support-5.0.0.2-r6225.CSCvh23936.x86_64.rpm
router.cfg

Then run it, some options:

  • i: base image (ncs5500-mini-x-6.2.25.iso)
  • r: rmp repo (. = same folder)
  • l: label
  • c: config file (not used in the example)
$ sudo ./gisobuild.py -i ncs5500-mini-x-6.2.25.iso -r . -l version3
Golden ISO build process starting...

System requirements check [PASS]
/dev/loop0
/dev/loop0

Platform: ncs5500 Version: 6.2.25

Scanning repository [/home/nleiva/giso-6225]...

Building RPM Database...
Total 25 RPM(s) present in the repository path provided in CLI
/dev/loop1

Following XR x86_64 rpm(s) will be used for building Golden ISO:

        (+) ncs5500-os-7.0.0.2-r6225.CSCvf23036.x86_64.rpm
        (+) ncs5500-dpa-fwding-6.0.0.1-r6225.CSCvf82318.x86_64.rpm
        (+) ncs5500-iosxr-fwding-6.0.0.1-r6225.CSCvg43030.x86_64.rpm
        (+) ncs5500-mcast-2.2.0.0-r6225.x86_64.rpm
        (+) ncs5500-dpa-4.0.0.2-r6225.CSCvg05355.x86_64.rpm
        (+) ncs5500-os-support-5.0.0.2-r6225.CSCvh23936.x86_64.rpm
        (+) ncs5500-dpa-fwding-6.0.0.2-r6225.CSCvh23936.x86_64.rpm
        (+) ncs5500-fwding-4.0.0.1-r6225.CSCvh23936.x86_64.rpm
        (+) ncs5500-dpa-4.0.0.3-r6225.CSCvg03646.x86_64.rpm
        (+) ncs5500-mgbl-3.0.0.0-r6225.x86_64.rpm
        (+) ncs5500-infra-6.0.0.2-r6225.CSCvf01652.x86_64.rpm
        (+) ncs5500-infra-6.0.0.1-r6225.CSCvf82318.x86_64.rpm
        (+) ncs5500-infra-6.0.0.4-r6225.CSCvf07773.x86_64.rpm
        (+) ncs5500-infra-6.0.0.3-r6225.CSCvg33624.x86_64.rpm
        (+) ncs5500-k9sec-3.2.0.0-r6225.x86_64.rpm
        (+) ncs5500-mpls-te-rsvp-2.3.0.0-r6225.x86_64.rpm
        (+) ncs5500-iosxr-fwding-6.0.0.2-r6225.CSCvh25756.x86_64.rpm
        (+) ncs5500-k9sec-3.2.0.1-r6225.CSCvg20030.x86_64.rpm
        (+) ncs5500-isis-2.2.0.0-r6225.x86_64.rpm
        (+) ncs5500-mpls-te-rsvp-2.3.0.1-r6225.CSCvg13217.x86_64.rpm
        (+) ncs5500-mpls-2.1.0.0-r6225.x86_64.rpm
        (+) ncs5500-os-support-5.0.0.1-r6225.CSCvg05355.x86_64.rpm
        (+) ncs5500-os-7.0.0.1-r6225.CSCvg26533.x86_64.rpm
        (+) ncs5500-dpa-4.0.0.1-r6225.CSCvg54541.x86_64.rpm
        (+) ncs5500-ospf-2.0.0.0-r6225.x86_64.rpm
/dev/loop2

        ...RPM compatibility check [PASS]

Building Golden ISO...
/dev/loop0
Summary .....

XR rpms:
        ncs5500-os-7.0.0.2-r6225.CSCvf23036.x86_64.rpm
        ncs5500-dpa-fwding-6.0.0.1-r6225.CSCvf82318.x86_64.rpm
        ncs5500-iosxr-fwding-6.0.0.1-r6225.CSCvg43030.x86_64.rpm
        ncs5500-mcast-2.2.0.0-r6225.x86_64.rpm
        ncs5500-dpa-4.0.0.2-r6225.CSCvg05355.x86_64.rpm
        ncs5500-os-support-5.0.0.2-r6225.CSCvh23936.x86_64.rpm
        ncs5500-dpa-fwding-6.0.0.2-r6225.CSCvh23936.x86_64.rpm
        ncs5500-fwding-4.0.0.1-r6225.CSCvh23936.x86_64.rpm
        ncs5500-dpa-4.0.0.3-r6225.CSCvg03646.x86_64.rpm
        ncs5500-mgbl-3.0.0.0-r6225.x86_64.rpm
        ncs5500-infra-6.0.0.2-r6225.CSCvf01652.x86_64.rpm
        ncs5500-infra-6.0.0.1-r6225.CSCvf82318.x86_64.rpm
        ncs5500-infra-6.0.0.4-r6225.CSCvf07773.x86_64.rpm
        ncs5500-infra-6.0.0.3-r6225.CSCvg33624.x86_64.rpm
        ncs5500-k9sec-3.2.0.0-r6225.x86_64.rpm
        ncs5500-mpls-te-rsvp-2.3.0.0-r6225.x86_64.rpm
        ncs5500-iosxr-fwding-6.0.0.2-r6225.CSCvh25756.x86_64.rpm
        ncs5500-k9sec-3.2.0.1-r6225.CSCvg20030.x86_64.rpm
        ncs5500-isis-2.2.0.0-r6225.x86_64.rpm
        ncs5500-mpls-te-rsvp-2.3.0.1-r6225.CSCvg13217.x86_64.rpm
        ncs5500-mpls-2.1.0.0-r6225.x86_64.rpm
        ncs5500-os-support-5.0.0.1-r6225.CSCvg05355.x86_64.rpm
        ncs5500-os-7.0.0.1-r6225.CSCvg26533.x86_64.rpm
        ncs5500-dpa-4.0.0.1-r6225.CSCvg54541.x86_64.rpm
        ncs5500-ospf-2.0.0.0-r6225.x86_64.rpm

        ...Golden ISO creation SUCCESS.

Golden ISO Image Location: /home/nleiva/giso-6225/ncs5500-goldenk9-x.iso-6.2.25.version3

Detail logs: /home/nleiva/giso-6225/Giso_build.log-2018-02-13:22:29:12.846200

Script locaction

RP/0/RP0/CPU0:router#bash ls -ltr /pkg/bin/gisobuild.py
Fri May 25 04:10:14.812 UTC
lrwxrwxrwx 1 root root 72 May 25 03:24 /pkg/bin/gisobuild.py -> /opt/cisco/XR/packages/ncs5500-infra-4.2.0.0-r63307I/rp/bin/gisobuild.py

Running the script inside a Container

If you want to run this in your MAC, an Ubuntu container might come in handy.

  1. Have the files ready in the host.
$ pwd
/Users/nleiva/ncs5500
$ ls
ncs5500-dpa-4.0.0.1-r6225.CSCvg54541.x86_64.rpm          ncs5500-isis-2.2.0.0-r6225.x86_64.rpm
ncs5500-dpa-4.0.0.2-r6225.CSCvg05355.x86_64.rpm          ncs5500-k9sec-3.2.0.0-r6225.x86_64.rpm
...
  1. Create the image using the Dockerfile included in the repo. giso-py is an arbitrary name for the container image we are building.
docker build -t giso-py .
  1. Run and connect to the container.
docker run --privileged=true -v /Users/nleiva/ncs5500:/ncs5500 -i -t --rm giso-py /bin/bash
  • Mount the directory with the files: -v /host/directory:/container/directory
  • Access to Loop devices: --privileged=true
  • Assigns a pseudo-tty: -t
  • Allows you to make an interactive connection: -i
  • Automatically remove the container when the process exits: --rm
  1. Once inside the container, create a loop device.
losetup -f
  1. Run the script. The label could come as a ENV variable.
export label=version1
python gisobuild.py -i ncs5500/ncs5500-mini-x-6.2.25.iso -r ncs5500/. -l $label
mv *.$label ncs5500
  1. The image should now be available in the host.
$ ls /Users/nleiva/ncs5500/*golden*
/Users/nleiva/ncs5500/ncs5500-goldenk9-x.iso-6.2.25.version1

Good to know about Docker

  • Stop all containers: docker kill $(docker ps -q)
  • Remove all containers: docker rm $(docker ps -a -q)
  • Remove all docker images: docker rmi $(docker images -q)

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