Amir Zarrinkafsh 2019-12-22 05:58:21 +11:00
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.git
.gitignore
.github
.gitattributes
READMETEMPLATE.md
README.md

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FROM docker:dind
# set labels
LABEL maintainer="Nightah"
# set application versions
ARG ARCH="amd64"
ARG BUILDKITE_VERSION="3.17.0"
ARG OVERLAY_VERSION="v1.22.1.0"
# environment variables
ENV PS1="$(whoami)@$(hostname):$(pwd)$ " \
HOME="/buildkite" \
TERM="xterm"
# set runtime variables
ENV BUILDKITE_AGENT_CONFIG=/buildkite/buildkite-agent.cfg \
GOPATH="/buildkite/.go"
# add local files
COPY root/ /
# modifications
RUN \
echo "**** Install Authelia CI pre-requisites ****" && \
echo "@edge http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && \
echo "@edget http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories && \
apk add --no-cache \
bash \
ca-certificates \
coreutils \
chromium \
chromium-chromedriver \
curl \
docker-compose \
git \
hub@edget \
go@edge \
jq \
libc6-compat \
libstdc++ \
nodejs \
npm \
openssh-client \
perl \
rsync \
shadow \
sudo \
tzdata \
yarn@edge && \
echo "**** Add s6 overlay ****" && \
cd /tmp && \
curl -Lfs -o s6-overlay.tar.gz "https://github.com/just-containers/s6-overlay/releases/download/${OVERLAY_VERSION}/s6-overlay-${ARCH}.tar.gz" && \
tar xfz s6-overlay.tar.gz -C / && \
echo "**** Patch CVE-2019-5021 ****" && \
sed -i -e 's/^root::/root:!:/' /etc/shadow && \
echo "**** Create buildkite user and make our folders ****" && \
useradd -u 911 -U -d /buildkite -s /bin/false buildkite && \
usermod -G wheel buildkite && \
sed -i 's/# %wheel/%wheel/g' /etc/sudoers && \
echo "**** Install Buildkite ****" && \
mkdir -p /buildkite/builds /buildkite/hooks /buildkite/plugins && \
curl -Lfs -o /usr/local/bin/ssh-env-config.sh https://raw.githubusercontent.com/buildkite/docker-ssh-env-config/master/ssh-env-config.sh && \
chmod +x /usr/local/bin/ssh-env-config.sh && \
curl -Lfs -o buildkite-agent.tar.gz https://github.com/buildkite/agent/releases/download/v${BUILDKITE_VERSION}/buildkite-agent-linux-${ARCH}-${BUILDKITE_VERSION}.tar.gz && \
tar xf buildkite-agent.tar.gz && \
sed -i 's/token=/#token=/g' buildkite-agent.cfg && \
sed -i 's/\$HOME\/.buildkite-agent/\/buildkite/g' buildkite-agent.cfg && \
mv buildkite-agent.cfg /buildkite/buildkite-agent.cfg && \
mv buildkite-agent /usr/local/bin/buildkite-agent && \
echo "**** Cleanup ****" && \
rm -rf /tmp/*
# ports and volumes
VOLUME /buildkite
ENTRYPOINT ["/init"]

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[logo]: https://github.com/clems4ever/authelia/raw/master/docs/images/authelia-title.png "Authelia"
[![alt text][logo]](https://www.authelia.com/)
# authelia/buildkite
[![Docker Pulls](https://img.shields.io/docker/pulls/authelia/buildkite.svg)](https://hub.docker.com/r/authelia/buildkite/) [![Docker Stars](https://img.shields.io/docker/stars/authelia/buildkite.svg)](https://hub.docker.com/r/authelia/buildkite/)
The [buildkite agent](https://buildkite.com/docs/agent/v3) is a small, reliable and cross-platform build runner that makes it easy to run automated builds on your own infrastructure. Its main responsibilities are polling buildkite.com for work, running build jobs, reporting back the status code and output log of the job, and uploading the job's artifacts.
This custom image is based on the `docker:dind` to provide docker-in-docker alongside Buildkite to support the automated integration cases run for Authelia's CI process.
The image will be re-built if any updates are made to the base `docker:dind` image.
This image shamelessly utilises some of the fine work by the team over at [LinuxServer.io](https://www.linuxserver.io/), credits to their [alpine baseimage](https://github.com/linuxserver/docker-baseimage-alpine/).
## Usage
Here are some example snippets to help you get started creating a container.
An example `docker-compose.yml` has also been provided in the repo which includes three nodes and a local registry cache.
### docker
```
docker create \
--name=buildkite1 \
-e BUILDKITE_AGENT_NAME=named-node-1 \
-e BUILDKITE_AGENT_TOKEN=tokenhere \
-e BUILDKITE_AGENT_TAGS=tags=here,moretags=here \
-e BUILDKITE_AGENT_PRIORITY=priorityhere \
-e PUID=1000 \
-e PGID=1000 \
-e TZ=Australia/Melbourne \
-v <path to data>/docker:/buildkite/.docker \
-v <path to data>/ssh:/buildkite/.ssh \
-v <path to data>/go:/buildkite/.go \
-v <path to data>/hooks:/buildkite/hooks \
--restart unless-stopped \
--privileged \
authelia/buildkite
```
### docker-compose
Compatible with docker-compose v2 schemas.
```
---
version: "2.1"
services:
buildkite1:
image: authelia/buildkite
container_name: buildkite1
privileged: true
volumes:
- <path to data>/docker:/buildkite/.docker
- <path to data>/ssh:/buildkite/.ssh
- <path to data>/go:/buildkite/.go
- <path to data>/hooks:/buildkite/hooks
restart: unless-stopped
environment:
- BUILDKITE_AGENT_NAME=named-node-1
- BUILDKITE_AGENT_TOKEN=tokenhere
- BUILDKITE_AGENT_TAGS=tags=here,moretags=here
- BUILDKITE_AGENT_PRIORITY=priorityhere
- PUID=1000
- PGID=1000
- TZ=Australia/Melbourne
```
## Parameters
Container images are configured using parameters passed at runtime (such as those above). These parameters are separated by a colon and indicate `<external>:<internal>` respectively. For example, `-p 8080:80` would expose port `80` from inside the container to be accessible from the host's IP on port `8080` outside the container.
| Parameter | Function |
| :----: | --- |
| `-e BUILDKITE_AGENT_NAME=named-node-1` | [agent name](https://buildkite.com/docs/agent/v3/configuration) for buildkite agent on specified node |
| `-e BUILDKITE_AGENT_TOKEN=tokenhere` | [agent token](https://buildkite.com/docs/agent/v3/tokens) for specified pipeline |
| `-e BUILDKITE_AGENT_TAGS=tags=here,moretags=here` | [agent tags](https://buildkite.com/docs/agent/v3/cli-start#setting-tags) on specified node, tag=value comma separated |
| `-e BUILDKITE_AGENT_PRIORITY=1` | [agent priority](https://buildkite.com/docs/agent/v3/prioritization) |
| `-e PUID=1000` | for UserID - see below for explanation |
| `-e PGID=1000` | for GroupID - see below for explanation |
| `-e TZ=Australia/Melbourne` | for setting timezone information, eg Australia/Melbourne |
| `-v /buildkite/.docker` | Docker `config.json` stored here for permissions |
| `-v /buildkite/.ssh` | SSH `id_rsa` and `ida_rsa.pub` stored here for [GitHub cloning](https://buildkite.com/docs/agent/v3/ssh-keys) |
| `-v /buildkite/.go` | $GOPATH, set this location to share cache between multiple node containers |
| `-v /buildkite/hooks` | Used to provide secrets in to Buildkite such as `DOCKER_USERNAME` `DOCKER_PASSWORD` and `GITHUB_TOKEN` for publish and clean up steps |
## User / Group Identifiers
When using volumes (`-v` flags) permissions issues can arise between the host OS and the container, we avoid this issue by allowing you to specify the user `PUID` and group `PGID`.
Ensure any volume directories on the host are owned by the same user you specify and any permissions issues will vanish like magic.
In this instance `PUID=1000` and `PGID=1000`, to find yours use `id user` as below:
```
$ id username
uid=1000(dockeruser) gid=1000(dockergroup) groups=1000(dockergroup)
```
## Version
- **19/12/2019:** Initial release

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version: '2.1'
networks:
net:
driver: bridge
services:
registrycache:
image: registry:2
container_name: registrycache
volumes:
- /path/on/host/registryproxy.yml:/etc/docker/registry/config.yml
- /path/on/host/registry:/var/lib/registry
networks:
- net
restart: unless-stopped
buildkite1:
image: authelia/buildkite
container_name: buildkite1
privileged: true
volumes:
- /path/on/host/docker:/buildkite/.docker
- /path/on/host/ssh:/buildkite/.ssh
- /path/on/host/go:/buildkite/.go
- /path/on/host/hooks:/buildkite/hooks
networks:
- net
restart: unless-stopped
environment:
- BUILDKITE_AGENT_NAME=named-node-1
- BUILDKITE_AGENT_TOKEN=
- BUILDKITE_AGENT_TAGS=
- BUILDKITE_AGENT_PRIORITY=
- PUID=1000
- PGID=1000
- TZ=Australia/Melbourne
buildkite2:
image: authelia/buildkite
container_name: buildkite2
privileged: true
volumes:
- /path/on/host/docker:/buildkite/.docker
- /path/on/host/ssh:/buildkite/.ssh
- /path/on/host/go:/buildkite/.go
- /path/on/host/hooks:/buildkite/hooks
networks:
- net
restart: unless-stopped
environment:
- BUILDKITE_AGENT_NAME=named-node-2
- BUILDKITE_AGENT_TOKEN=tokenhere
- BUILDKITE_AGENT_TAGS=
- BUILDKITE_AGENT_PRIORITY=
- PUID=1000
- PGID=1000
- TZ=Australia/Melbourne
buildkite3:
image: authelia/buildkite
container_name: buildkite3
privileged: true
volumes:
- /path/on/host/docker:/buildkite/.docker
- /path/on/host/ssh:/buildkite/.ssh
- /path/on/host/go:/buildkite/.go
- /path/on/host/hooks:/buildkite/hooks
networks:
- net
restart: unless-stopped
environment:
- BUILDKITE_AGENT_NAME=named-node-3
- BUILDKITE_AGENT_TOKEN=tokenhere
- BUILDKITE_AGENT_TAGS=
- BUILDKITE_AGENT_PRIORITY=
- PUID=1000
- PGID=1000
- TZ=Australia/Melbourne

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version: 0.1
log:
fields:
service: registry
storage:
cache:
blobdescriptor: inmemory
filesystem:
rootdirectory: /var/lib/registry
http:
addr: :5000
headers:
X-Content-Type-Options: [nosniff]
health:
storagedriver:
enabled: true
interval: 10s
threshold: 3
proxy:
remoteurl: https://registry-1.docker.io
username:
password:

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#!/usr/bin/with-contenv bash
PUID=${PUID:-911}
PGID=${PGID:-911}
groupmod -o -g "$PGID" buildkite
usermod -o -u "$PUID" buildkite
cat <<'EOF'
--------------------------------------------
/ \ _ _| |_| |__ ___| (_) __ _
/ _ \| | | | __| '_ \ / _ \ | |/ _` |
/ ___ \ |_| | |_| | | | __/ | | (_| |
/_/ \_\__,_|\__|_| |_|\___|_|_|\__,_|
____ ___
/ ___|_ _|
| | | |
| |___ | |
\____|___|
--------------------------------------------
GID/UID
--------------------------------------------
EOF
echo "
User uid: $(id -u buildkite)
User gid: $(id -g buildkite)
--------------------------------------------
"
chown buildkite:buildkite /buildkite

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#!/usr/bin/with-contenv bash
# permissions
chown -R buildkite:buildkite \
/buildkite

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{
"registry-mirrors": ["http://registrycache:5000"]
}

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#!/usr/bin/with-contenv bash
exec \
s6-setuidgid buildkite ssh-env-config.sh /usr/local/bin/buildkite-agent start

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#!/usr/bin/with-contenv bash
exec \
s6-setuidgid root dockerd-entrypoint.sh > /dev/null 2>&1

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#!/usr/bin/with-contenv bash
while [ ! -S "/run/docker.sock" ];
do
sleep 1;
done
chown root:buildkite /run/docker.sock
tail -f /dev/null