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OE-lite.org Buildbot CI

Buildbot Master

To build build the buildbot master docker image, run the following command in
the master directory:

docker build -t buildbot-master .

To use latest buildbot-master image, you can don't have to build it, just use
the oelite/buildbot-master image on Docker Hub instead of the local
buildbot-master image shown in the instructions below.

To start a buildbot master docker container:

docker run -d --name=buildbot-master \
       -p 8010:8010 -p 9989:9989 \
       buildbot-master

It will expose the buildbot service on host port 8010. Test it on
http://localhost:8010/

To check the status (log output) of the buildbot master:

docker logs buildbot-master

To enable persistent state/data of the buildbot master, you should mount a
volume at /srv/buildbot/master. You can either mount a host directory or use
a data container for the purpose.

If you want to use a host directory, you need to make it owned by UID=999 and
GID=999. To start master with /var/lib/buildbot mounted, use something like:

docker run -d --name=buildbot-master \
       -p 8010:8010 -p 9989:9989 \
       -v /var/lib/buildbot:/srv/buildbot/master \
       buildbot-master

To use a data container instead, you first need to create a data container:

docker create --name=buildbot-data oelite/buildbot-data

And then use that when starting the master:

docker run -d --name=buildbot-master \
       -p 8010:8010 -p 9989:9989 \
       --volumes-from=buildbot-data \
       buildbot-master

Buildbot Slaves

To build the buildbot slave docker image, run the following command in the
slave directory:

docker build -t buildbot-slave .

To use latest buildbot-slave image, you can don't have to build it, just use
the oelite/buildbot-slave image on Docker Hub instead of the local
buildbot-slave image shown in the instructions below.

The oe-lite slave uses docker-in-docker (DIND), so a dedicated docker container is needed:

# determine the storage driver used by the host (devicemapper, aufs, overlay, overlay2)
storage_driver=$(docker info 2>/dev/null | grep -oP 'Storage Driver: \K\w+')
docker run --privileged -d \
        --name oelite-docker \
        --volume /srv/buildbot/oelite-slave:/srv/buildbot/slave \
        docker:1.12-dind --storage-driver=$storage_driver

Then start the oe-lite buildslave and link it to the docker container

docker run --privileged -d \
        -e SLAVE_NAME=myslavename \
        -e SLAVE_PASSWD='mysecret' \
        -e SLAVE_ADMIN="My Name <me@gmail.com>" \
        -e SLAVE_DESCRIPTION="My build slave" \
        -e DOCKER_HOST='docker:2375' \
        --volume /srv/buildbot/oelite-slave:/srv/buildbot/slave \
        --link oelite-docker:docker \
        --name=oelite-slave \
        oelite/buildbot-slave

You should of-course provide proper values for the SLAVE_NAME, SLAVE_PASSWD,
SLAVE_ADMIN and SLAVE_DESCRIPTION variables.

The volume mapped to /srv/buildbot/slave in the containers must be configured
for both the docker-container and the slave-container, or the build fails due
to the nested docker seeing an empty build folder.

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oelite
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