mirror of
https://github.com/Adam-Ant/DroneAgentBuilder
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Initial Commit
This commit is contained in:
Adam Dodman
commit
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66
AlpineBaseNotes.md
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66
AlpineBaseNotes.md
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# To create an alpine base image:
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Spin up a new VM:
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- 512MB RAW Disk image (hence called alpine.img)
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- Virtio Network bridge
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- ISO of Alpine Virtual ed. attached
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Inside the VM:
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- Add the following to /etc/network/interfaces:
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auto lo
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iface lo inet loopback
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auto eth0
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iface eth0 inet dhcp
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hostname alpine
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- `/etc/init.d/networking restart`
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- Run `setup-alpine`:
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- gb
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- gb
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- alpine
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- eth0
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- dhcp
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- no
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- [Enter twice]
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- UTC
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- none
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- 1
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- openssh
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- busybox
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- sda
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- sys
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- y
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- `passwd -d root`
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- `poweroff`
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Make sure the VM is stopped.
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Run `virt-sysprep -a alpine.img`
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Run `xz -k -verbose -T4 --best --block-size=16777216 alpine.img`
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Create the index file as below. <> Shows commands to generate the required data. Replace version as needed.
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```
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[alpine-37]
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name=Alpine 3.7
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osinfo=alpine
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arch=x86_64
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file=alpine.img.xz
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checksum=<sha512sum alpine.img.xz>
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format=raw
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size=<du -s alpine.img>
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compressed_size=<du -s alpine.img.xz>
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expand=/dev/sda3
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```
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Sign the index file:
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`gpg --clearsign --armor index`
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Upload the generated `index.asc` and `alpine.img.xz` files to a web server.
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8
Readme.md
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8
Readme.md
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# Alpine Drone Agent builder
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Create a VM for setting a drone build agent.
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Put alpinelinux.\* into /etc/xdg/virt-builder/repos.d/
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Put your credentials into dronecfg, then
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Run with `virt-builder --size 10G --format qcow2 --commands-from-file builder-commands`
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5
alpinelinux.conf
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alpinelinux.conf
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# Put this file in /etc/xdg/virt-builder/repos.d to use the Alpine base images
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[Alpine]
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uri=https://adam-ant.co.uk/builder/index.asc
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gpgkey=file:///etc/xdg/virt-builder/repos.d/alpinelinux.gp
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53
alpinelinux.gpg
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53
alpinelinux.gpg
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# Put this file in /etc/xdg/virt-builder/repos.d to use the Alpine base images
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-----BEGIN PGP PUBLIC KEY BLOCK-----
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OP7Q8lSNSfedLFiGBpqZnqXNNQkIgRJPI67BmLrUnKdKDtS7eoaHb0Dyr9gyWmiU
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3ya6/GAAIAeCGnw=
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=jF2v
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-----END PGP PUBLIC KEY BLOCK-----
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37
builder_commands
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37
builder_commands
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# Enable the community repo
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edit /etc/apk/repositories:'s/^#\(.*community\)/\1/g'
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# Setup the new MOTD
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run motd.sh
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# Disallow root login
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root-password disabled
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edit /etc/ssh/sshd_config:'/^PermitRootLogin yes/d'
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# Set up the docker user
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update
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install docker
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install sudo
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install shadow
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run-command adduser -D -G docker docker
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run-command { echo changeme; echo changeme; } | passwd docker
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run-command echo changeme | chage -d 0 docker
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run-command echo 'docker ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers.d/docker-nopasswd
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chmod 0640:/etc/sudoers.d/*
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# Install docker
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install docker
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run-command rc-update add docker boot
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run-command service docker start
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# Install docker-compose
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install python
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install py-pip
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run-command pip install docker-compose
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uninstall py-pip
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# Set up pruning docker every 15 minutes. Useful for build agents
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run-command rc-update add crond
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run-command echo '*/15 * * * * docker system prune -a -f --filter until=10m' | crontab -u docker -
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# Install the drone-agent starters
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2
drone-agent.start
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2
drone-agent.start
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#! /bin/sh
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docker-compose -f /etc/drone-compose.yml up --force-recreate -d
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14
drone-compose.yml
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14
drone-compose.yml
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version: '3.1'
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# Run this on a dedicated box only!
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# It WILL make a mess of the docker daemon
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services:
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agent:
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image: drone/agent:0.8.4
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container_name: drone-agent
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command: agent
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restart: always
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volumes:
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- /var/run/docker.sock:/var/run/docker.sock
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env_file: /etc/dronecfg
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18
motd.sh
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18
motd.sh
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#!/bin/sh
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source /etc/os-release
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cat << EOF > /etc/motd
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$PRETTY_NAME ($VERSION_ID) Docker Host
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Built as a CI runner for Docker-based CI platforms
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such as Drone-CI https://github.com/drone/drone
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See the Alpine Wiki for how-to guides and
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general information about administrating
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Alpine systems and development.
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See <http://wiki.alpinelinux.org>
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EOF
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