Replace native ci runner with docker ci runner

This commit is contained in:
Hendrik Sokolowski 2022-10-30 01:24:31 +02:00
parent 41af850466
commit 5e836f6f31
Signed by untrusted user: hensoko
GPG key ID: 5C36A01B80BCCC59
2 changed files with 91 additions and 132 deletions

View file

@ -1,41 +1,105 @@
{ lib, config, pkgs, self, ... }:
with lib;
let
bootstrap = pkgs.writeScript "bootstrap.sh" ''
#!/usr/bin/env bash
set -e
apt update
apt install --yes curl git sudo xz-utils
adduser --system --uid 999 build
chown build /nix
sudo -u build curl -L https://nixos.org/nix/install > install
sudo -u build sh install
echo "export PATH=/nix/var/nix/profiles/per-user/build/profile/bin:''$PATH" >> /etc/profile
mkdir /etc/nix
echo 'experimental-features = nix-command flakes' >> /etc/nix/nix.conf
export nix_user_config_file="/home/build/.local/share/nix/trusted-settings.json"
mkdir -p $(dirname \\$nix_user_config_file)
echo '{"extra-experimental-features":{"nix-command flakes":true},"extra-substituters":{"https://nix-dram.cachix.org https://dram.cachix.org https://nrdxp.cachix.org https://nix-community.cachix.org":true},"extra-trusted-public-keys":{"nix-dram.cachix.org-1:CKjZ0L1ZiqH3kzYAZRt8tg8vewAx5yj8Du/+iR8Efpg= dram.cachix.org-1:baoy1SXpwYdKbqdTbfKGTKauDDeDlHhUpC+QuuILEMY= nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=":true}}' > \\$nix_user_config_file
chown -R build /home/build/
curl -L https://github.com/drone-runners/drone-runner-exec/releases/latest/download/drone_runner_exec_linux_amd64.tar.gz | tar xz
sudo install -t /usr/local/bin drone-runner-exec
if [ ! -f /run/vars ]; then
exit 1
fi
cp -a /run/vars /run/runtime-vars
env | grep "DRONE" >> /run/runtime-vars
su - -s /bin/bash build sh -c "/usr/local/bin/drone-runner-exec daemon /run/runtime-vars"
'';
psCfg = config.pub-solar;
cfg = config.pub-solar.ci-runner;
in
{
options.pub-solar.ci-runner = {
enable = mkEnableOption "Enables a systemd service that runs drone-ci-runner";
};
enable = lib.mkEnableOption "Enables a docker container running a drone exec runner as unprivileged user.";
config = mkIf cfg.enable {
systemd.user.services.ci-runner = {
enable = true;
description = "CI runner for the PubSolarOS repository that can run test VM instances with KVM.";
serviceConfig = {
Type = "simple";
Restart = "always";
};
path = [
pkgs.git
pkgs.nix
pkgs.libvirt
];
wantedBy = [ "multi-user.target" ];
after = [ "network.target" "libvirtd.service" ];
script = ''${pkgs.drone-runner-exec}/bin/drone-runner-exec daemon /run/agenix/drone-runner-exec-config'';
enableKvm = lib.mkOption {
description = ''
Enable kvm support.
'';
default = true;
type = types.bool;
};
age.secrets."drone-runner-exec-config" = {
file = "${self}/secrets/drone-runner-exec-config";
mode = "700";
owner = psCfg.user.name;
nixCacheLocation = lib.mkOption {
description = ''
Location of nix cache that is shared between builds
'';
type = types.path;
};
runnerEnvironment = lib.mkOption {
description = ''
Additional environment vars added to the vars file on container runtime
'';
default = {};
};
runnerVarsFile = lib.mkOption {
description = ''
Location of vars file passed to drone runner
'';
type = types.path;
};
};
config = lib.mkIf cfg.enable {
virtualisation = {
docker = {
enable = true; # sadly podman is not supported rightnow
};
oci-containers = {
backend = "docker";
containers."drone-exec-runner" = {
image = "debian";
autoStart = true;
entrypoint = "bash";
cmd = [ "/bootstrap.sh" ];
volumes = [
"${cfg.runnerVarsFile}:/run/vars"
"${cfg.nixCacheLocation}:/nix"
"${bootstrap}:/bootstrap.sh"
];
environment = cfg.runnerEnvironment;
extraOptions = lib.mkIf cfg.enableKvm [ "--device=/dev/kvm" ];
};
};
};
};
}

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@ -1,105 +0,0 @@
{ lib, config, pkgs, self, ... }:
with lib;
let
bootstrap = pkgs.writeScript "bootstrap.sh" ''
#!/usr/bin/env bash
set -e
apt update
apt install --yes curl git sudo xz-utils
adduser --system --uid 999 build
chown build /nix
sudo -u build curl -L https://nixos.org/nix/install > install
sudo -u build sh install
echo "export PATH=/nix/var/nix/profiles/per-user/build/profile/bin:''$PATH" >> /etc/profile
mkdir /etc/nix
echo 'experimental-features = nix-command flakes' >> /etc/nix/nix.conf
export nix_user_config_file="/home/build/.local/share/nix/trusted-settings.json"
mkdir -p $(dirname \\$nix_user_config_file)
echo '{"extra-experimental-features":{"nix-command flakes":true},"extra-substituters":{"https://nix-dram.cachix.org https://dram.cachix.org https://nrdxp.cachix.org https://nix-community.cachix.org":true},"extra-trusted-public-keys":{"nix-dram.cachix.org-1:CKjZ0L1ZiqH3kzYAZRt8tg8vewAx5yj8Du/+iR8Efpg= dram.cachix.org-1:baoy1SXpwYdKbqdTbfKGTKauDDeDlHhUpC+QuuILEMY= nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=":true}}' > \\$nix_user_config_file
chown -R build /home/build/
curl -L https://github.com/drone-runners/drone-runner-exec/releases/latest/download/drone_runner_exec_linux_amd64.tar.gz | tar xz
sudo install -t /usr/local/bin drone-runner-exec
if [ ! -f /run/vars ]; then
exit 1
fi
cp -a /run/vars /run/runtime-vars
env | grep "DRONE" >> /run/runtime-vars
su - -s /bin/bash build sh -c "/usr/local/bin/drone-runner-exec daemon /run/runtime-vars"
'';
psCfg = config.pub-solar;
cfg = config.pub-solar.docker-ci-runner;
in
{
options.pub-solar.docker-ci-runner = {
enable = lib.mkEnableOption "Enables a docker container running a drone exec runner as unprivileged user.";
enableKvm = lib.mkOption {
description = ''
Enable kvm support.
'';
default = true;
type = types.bool;
};
nixCacheLocation = lib.mkOption {
description = ''
Location of nix cache that is shared between builds
'';
type = types.path;
};
runnerEnvironment = lib.mkOption {
description = ''
Additional environment vars added to the vars file on container runtime
'';
default = {};
};
runnerVarsFile = lib.mkOption {
description = ''
Location of vars file passed to drone runner
'';
type = types.path;
};
};
config = lib.mkIf cfg.enable {
virtualisation = {
docker = {
enable = true; # sadly podman is not supported rightnow
};
oci-containers = {
backend = "docker";
containers."drone-exec-runner" = {
image = "debian";
autoStart = true;
entrypoint = "bash";
cmd = [ "/bootstrap.sh" ];
volumes = [
"${cfg.runnerVarsFile}:/run/vars"
"${cfg.nixCacheLocation}:/nix"
"${bootstrap}:/bootstrap.sh"
];
environment = cfg.runnerEnvironment;
extraOptions = lib.mkIf cfg.enableKvm [ "--device=/dev/kvm" ];
};
};
};
};
}