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OpenSM Infiniband Subnet Manager

download size version license Docker Registry  Circle CI

Project URL: https://github.com/jumanjihouse/docker-opensm
Docker hub: https://registry.hub.docker.com/u/jumanjiman/opensm/

Table of Contents

Overview

OpenSM is an infiniband subnet manager from the OpenFabrics Enterprise Distribution (OFED). This repo provides a way to build OpenSM into a docker image and run it as a container.

Build integrity

The repo is set up to build the image on CircleCI.

workflow

An unattended test harness runs simple test scripts. If all tests pass on master branch in the unattended test harness, it pushes the built images to the Docker hub.

How-to

Build locally

On a host with Docker:

docker build --rm -t opensm src/

Pull an already-built image

These images are built as part of the test harness on CircleCI. If all tests pass on master branch, then the image is pushed into the docker hub.

docker pull jumanjiman/opensm:latest

The latest tag always points to the latest version. Additional tags include 7-${build_datetime}-${git_hash} to correlate any image to both the opensm version and a git commit from this repo. The 7 in the tag refers to the fact that this image is based on Centos 7.

We push the tags automatically from the test harness, and we occasionally delete old tags from the Docker hub by hand.

Run OpenSM

On a host with Docker:

docker run -d \
  --name opensm.service
  --read-only \
  --memory=10G \
  --privileged \
  --net=host \
  -v /lib/modules:/lib/modules:ro \
  jumanjiman/opensm

On a host with IB, docker logs <cid> could show output similar to test/opensm.log, which was obtained on an unconfigured, tiny test fabric.

Run diagnostics

The image contains useful infiniband diagnostic utilities from these packages:

  • ibutils
  • infiniband-diags
  • qperf

You can run the tools in two ways:

  • Enter a running opensm container via docker exec -it <cid> bash and call the utils directly.

  • Start a fresh container with something like:

    docker run --rm -it --net=host --privileged --entrypoint bash jumanjiman/opensm

Sample output from ibnetdiscover (one of the utils) is shown at test/ibnetdiscover.out.

Test

Run the test harness:

ci/test

The test harness requires:

  • BATS
  • Python and the pip command

Output resembles:

[yamllint] yamllint..........................................................................Passed
[check-added-large-files] Check for added large files........................................Passed
[check-case-conflict] Check for case conflicts...............................................Passed
[check-executables-have-shebangs] Check that executables have shebangs.......................Passed
[check-symlinks] Check for broken symlinks...............................(no files to check)Skipped
[check-vcs-permalinks] Check vcs permalinks..................................................Passed
[detect-private-key] Detect Private Key......................................................Passed
[forbid-crlf] CRLF end-lines checker.........................................................Passed
[forbid-tabs] No-tabs checker................................................................Passed
[forbid-binary] Forbid binaries..........................................(no files to check)Skipped
[git-check] Check for conflict markers and core.whitespace errors............................Passed
[git-dirty] Check if the git tree is dirty...................................................Passed
[shellcheck] Test shell scripts with shellcheck..............................................Passed
[shfmt] Check shell style with shfmt.........................................................Passed

 ✓ LICENSE file exists
 ✓ image exists
 ✓ image contains opensm package
 ✓ RDMA config allows IPoIB
 ✓ RDMA config does not load iSCSI over RDMA
 ✓ image contains infiniband-diags package
 ✓ image does not contain doc files
 ✓ image contains ibutils package
 ✓ ibdiagnet is in path
 ✓ image contains qperf package
 ✓ qperf is in path
 ✓ userspace ib driver "infinipath-psm" is installed
 ✓ connection mgmt library "librdmacm" is installed
 ✓ connection mgmt library "librdmacm-utils" is installed
 ✓ connection mgmt library "ibacm" is installed
 ✓ "libibverbs" is installed
 ✓ "libibverbs-utils" is installed
 ✓ "ibv_devinfo" is in path
 ✓ "libibcommon" is installed
 ✓ "dapl" is installed
 ✓ "compat-dapl" is installed
 ✓ "dapl-utils" is installed
 ✓ "compat-dapl-utils" is installed
 ✓ "mstflint" is installed
 ✓ sminfo poll interval is 5 seconds

25 tests, 0 failures
ci/test OK

⚠️ I need to figure out how to run acceptance tests on a host without infiniband devices (such as CircleCI).

License

See LICENSE.