gluon/contrib/ci/jenkins-community-slave/README.md

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# Gluon CI using Jenkins
## Requirements
- Only a host with docker.
## Architecture
![Screenshot from 2019-09-24 00-20-32](https://user-images.githubusercontent.com/601153/65468827-9edf2c80-de65-11e9-9fe0-56c3487719c3.png)
## Installation
You can support the gluon CI with your infrastructure:
1. You need to query @lemoer (freifunk@irrelefant.net) for credentials.
2. He will give you a `SLAVE_NAME` and a `SLAVE_SECRET` for your host.
3. Then go to your docker host and substitute the values for `SLAVE_NAME` and a `SLAVE_SECRET` in the following statements:
``` shell
git clone https://github.com/freifunk-gluon/gluon/
cd gluon/contrib/ci/jenkins-community-slave/
docker build -t gluon-jenkins .
mkdir /var/cache/openwrt_dl_cache/
chown 1000:1000 /var/cache/openwrt_dl_cache
docker run --detach --restart always \
-e "SLAVE_NAME=whoareyou" \
-e "SLAVE_SECRET=changeme" \
-v /var/cache/openwrt_dl_cache/:/dl_cache
```
4. Check whether the instance is running correctly:
- Your node should appear [here](https://build.ffh.zone/label/gluon-docker/).
- When clicking on it, Jenkins should state "Agent is connected." like here:
![Screenshot from 2019-09-24 01-00-52](https://user-images.githubusercontent.com/601153/65469209-dac6c180-de66-11e9-9d62-0d1c3b6b940b.png)
5. **Your docker container needs to be rebuilt, when the build dependencies of gluon change. As soon as build dependencies have changed, the build dependency api level has to be raised.** After you rebuilt your docker container, notifiy @lemoer, so he can bump the versioning number.
## Backoff
- If @lemoer is not reachable, please be patient at first if possible. Otherwise contact info@hannover.freifunk.net or join the channel `#freifunkh` on hackint.