gitea-runner: move out of module
This commit is contained in:
parent
f5e418fb46
commit
2e48aa9ef3
GPG Key ID:
B8CFFF61F1CCF520
@ -8,6 +8,7 @@
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{
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imports = [
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./hardware-configuration.nix
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./gitea-runner.nix
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../desktop.nix
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];
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@ -112,7 +113,6 @@
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];
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repoPath = "ssh://iqwu22oq@iqwu22oq.repo.borgbase.com/./repo";
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};
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gitea-runner.enable = true;
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};
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shell = {
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zsh.enable = true;
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228
hosts/odyssey/gitea-runner.nix
Normal file
228
hosts/odyssey/gitea-runner.nix
Normal file
@ -0,0 +1,228 @@
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{
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pkgs,
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config,
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self,
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...
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}:
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# Based on: https://git.clan.lol/clan/clan-infra/src/branch/main/modules/web01/gitea/actions-runner.nix
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let
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hostname = config.networking.hostName;
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giteaUrl = "https://git.vimium.com";
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storeDepsBins = with pkgs; [
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coreutils
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findutils
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gnugrep
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gawk
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git
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nix
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nix-update
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bash
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jq
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nodejs
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];
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storeDeps = pkgs.runCommand "store-deps" { } ''
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mkdir -p $out/bin
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for dir in ${toString storeDepsBins}; do
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for bin in "$dir"/bin/*; do
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ln -s "$bin" "$out/bin/$(basename "$bin")"
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done
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done
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# Add SSL CA certs
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mkdir -p $out/etc/ssl/certs
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cp -a "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt" $out/etc/ssl/certs/ca-bundle.crt
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'';
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in
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{
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modules.podman.enable = true;
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systemd.services = {
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gitea-runner-nix-image = {
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wantedBy = [ "multi-user.target" ];
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after = [ "podman.service" ];
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requires = [ "podman.service" ];
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path = [
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config.virtualisation.podman.package
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pkgs.gnutar
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pkgs.shadow
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pkgs.getent
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];
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script = ''
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set -eux -o pipefail
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mkdir -p etc/nix
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# Create an unpriveleged user that we can use also without the run-as-user.sh script
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touch etc/passwd etc/group
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groupid=$(cut -d: -f3 < <(getent group nix-ci-user))
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userid=$(cut -d: -f3 < <(getent passwd nix-ci-user))
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groupadd --prefix $(pwd) --gid "$groupid" nix-ci-user
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emptypassword='$6$1ero.LwbisiU.h3D$GGmnmECbPotJoPQ5eoSTD6tTjKnSWZcjHoVTkxFLZP17W9hRi/XkmCiAMOfWruUwy8gMjINrBMNODc7cYEo4K.'
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useradd --prefix $(pwd) -p "$emptypassword" -m -d /tmp -u "$userid" -g "$groupid" -G nix-ci-user nix-ci-user
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cat <<NIX_CONFIG > etc/nix/nix.conf
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accept-flake-config = true
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experimental-features = nix-command flakes
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NIX_CONFIG
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cat <<NSSWITCH > etc/nsswitch.conf
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passwd: files mymachines systemd
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group: files mymachines systemd
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shadow: files
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hosts: files mymachines dns myhostname
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networks: files
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ethers: files
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services: files
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protocols: files
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rpc: files
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NSSWITCH
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# list the content as it will be imported into the container
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tar -cv . | tar -tvf -
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tar -cv . | podman import - gitea-runner-nix
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'';
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serviceConfig = {
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RuntimeDirectory = "gitea-runner-nix-image";
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WorkingDirectory = "/run/gitea-runner-nix-image";
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Type = "oneshot";
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RemainAfterExit = true;
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};
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};
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gitea-runner-nix = {
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after = [ "gitea-runner-nix-image.service" ];
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requires = [ "gitea-runner-nix-image.service" ];
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serviceConfig = {
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# Hardening (may overlap with DynamicUser=)
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# The following options are only for optimizing output of systemd-analyze
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AmbientCapabilities = "";
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CapabilityBoundingSet = "";
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# ProtectClock= adds DeviceAllow=char-rtc r
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DeviceAllow = "";
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NoNewPrivileges = true;
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PrivateDevices = true;
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PrivateMounts = true;
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PrivateTmp = true;
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PrivateUsers = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectSystem = "strict";
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RemoveIPC = true;
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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UMask = "0066";
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ProtectProc = "invisible";
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SystemCallFilter = [
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"~@clock"
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"~@cpu-emulation"
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"~@module"
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"~@mount"
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"~@obsolete"
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"~@raw-io"
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"~@reboot"
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"~@swap"
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# needed by go?
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#"~@resources"
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"~@privileged"
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"~capset"
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"~setdomainname"
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"~sethostname"
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];
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RestrictAddressFamilies = [
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"AF_INET"
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"AF_INET6"
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"AF_UNIX"
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"AF_NETLINK"
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];
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# Needs network access
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PrivateNetwork = false;
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# Cannot be true due to Node
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MemoryDenyWriteExecute = false;
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# The more restrictive "pid" option makes `nix` commands in CI emit
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# "GC Warning: Couldn't read /proc/stat"
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# You may want to set this to "pid" if not using `nix` commands
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ProcSubset = "all";
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# Coverage programs for compiled code such as `cargo-tarpaulin` disable
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# ASLR (address space layout randomization) which requires the
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# `personality` syscall
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# You may want to set this to `true` if not using coverage tooling on
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# compiled code
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LockPersonality = false;
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# Note that this has some interactions with the User setting; so you may
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# want to consult the systemd docs if using both.
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DynamicUser = true;
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};
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};
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};
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users.users.nix-ci-user = {
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group = "nix-ci-user";
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description = "Used for running nix-based CI jobs";
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home = "/var/empty";
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isSystemUser = true;
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};
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users.groups.nix-ci-user = { };
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age.secrets."files/services/gitea-runner/${hostname}-token" = {
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file = "${self.inputs.secrets}/files/services/gitea-runner/${hostname}-token.age";
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group = "podman";
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};
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services.gitea-actions-runner.instances = {
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act = {
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enable = true;
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url = giteaUrl;
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name = "act-runner-${hostname}";
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tokenFile = config.age.secrets."files/services/gitea-runner/${hostname}-token".path;
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settings = {
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cache.enabled = true;
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runner.capacity = 4;
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};
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labels = [
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"debian-latest:docker://ghcr.io/catthehacker/ubuntu:act-latest"
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"ubuntu-latest:docker://ghcr.io/catthehacker/ubuntu:act-latest"
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];
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};
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nix = {
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enable = true;
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url = giteaUrl;
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name = "nix-runner-${hostname}";
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tokenFile = config.age.secrets."files/services/gitea-runner/${hostname}-token".path;
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settings = {
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cache.enabled = true;
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container = {
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options = "-e NIX_BUILD_SHELL=/bin/bash -e PAGER=cat -e PATH=/bin -e SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt --device /dev/kvm -v /nix:/nix -v ${storeDeps}/bin:/bin -v ${storeDeps}/etc/ssl:/etc/ssl --user nix-ci-user";
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network = "host";
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valid_volumes = [
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"/nix"
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"${storeDeps}/bin"
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"${storeDeps}/etc/ssl"
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];
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};
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runner.capacity = 4;
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};
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labels = [
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"nix:docker://gitea-runner-nix"
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];
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};
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};
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}
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@ -1,242 +0,0 @@
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{
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pkgs,
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config,
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lib,
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self,
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...
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}:
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# Based on: https://git.clan.lol/clan/clan-infra/src/branch/main/modules/web01/gitea/actions-runner.nix
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with lib;
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let
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cfg = config.modules.services.gitea-runner;
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hostname = config.networking.hostName;
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giteaUrl = "https://git.vimium.com";
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storeDepsBins = with pkgs; [
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coreutils
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findutils
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gnugrep
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gawk
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git
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nix
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nix-update
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bash
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jq
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nodejs
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];
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storeDeps = pkgs.runCommand "store-deps" { } ''
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mkdir -p $out/bin
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for dir in ${toString storeDepsBins}; do
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for bin in "$dir"/bin/*; do
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ln -s "$bin" "$out/bin/$(basename "$bin")"
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done
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done
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# Add SSL CA certs
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mkdir -p $out/etc/ssl/certs
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cp -a "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt" $out/etc/ssl/certs/ca-bundle.crt
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'';
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in
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{
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options.modules.services.gitea-runner = {
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enable = mkOption {
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default = false;
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example = true;
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description = mdDoc "Enable a runner for Gitea Actions on this host";
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};
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};
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config = mkIf cfg.enable {
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modules.podman.enable = true;
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systemd.services = {
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gitea-runner-nix-image = {
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wantedBy = [ "multi-user.target" ];
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after = [ "podman.service" ];
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requires = [ "podman.service" ];
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path = [
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config.virtualisation.podman.package
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pkgs.gnutar
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pkgs.shadow
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pkgs.getent
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];
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script = ''
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set -eux -o pipefail
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mkdir -p etc/nix
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# Create an unpriveleged user that we can use also without the run-as-user.sh script
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touch etc/passwd etc/group
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groupid=$(cut -d: -f3 < <(getent group nix-ci-user))
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userid=$(cut -d: -f3 < <(getent passwd nix-ci-user))
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groupadd --prefix $(pwd) --gid "$groupid" nix-ci-user
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emptypassword='$6$1ero.LwbisiU.h3D$GGmnmECbPotJoPQ5eoSTD6tTjKnSWZcjHoVTkxFLZP17W9hRi/XkmCiAMOfWruUwy8gMjINrBMNODc7cYEo4K.'
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useradd --prefix $(pwd) -p "$emptypassword" -m -d /tmp -u "$userid" -g "$groupid" -G nix-ci-user nix-ci-user
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cat <<NIX_CONFIG > etc/nix/nix.conf
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accept-flake-config = true
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experimental-features = nix-command flakes
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NIX_CONFIG
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cat <<NSSWITCH > etc/nsswitch.conf
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passwd: files mymachines systemd
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group: files mymachines systemd
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shadow: files
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hosts: files mymachines dns myhostname
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networks: files
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ethers: files
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services: files
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protocols: files
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rpc: files
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NSSWITCH
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# list the content as it will be imported into the container
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tar -cv . | tar -tvf -
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tar -cv . | podman import - gitea-runner-nix
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'';
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serviceConfig = {
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RuntimeDirectory = "gitea-runner-nix-image";
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WorkingDirectory = "/run/gitea-runner-nix-image";
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Type = "oneshot";
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RemainAfterExit = true;
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};
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};
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gitea-runner-nix = {
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after = [ "gitea-runner-nix-image.service" ];
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requires = [ "gitea-runner-nix-image.service" ];
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serviceConfig = {
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# Hardening (may overlap with DynamicUser=)
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# The following options are only for optimizing output of systemd-analyze
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AmbientCapabilities = "";
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CapabilityBoundingSet = "";
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# ProtectClock= adds DeviceAllow=char-rtc r
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DeviceAllow = "";
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NoNewPrivileges = true;
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PrivateDevices = true;
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PrivateMounts = true;
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PrivateTmp = true;
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PrivateUsers = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectSystem = "strict";
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RemoveIPC = true;
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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UMask = "0066";
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ProtectProc = "invisible";
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SystemCallFilter = [
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"~@clock"
|
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"~@cpu-emulation"
|
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"~@module"
|
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"~@mount"
|
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"~@obsolete"
|
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"~@raw-io"
|
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"~@reboot"
|
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"~@swap"
|
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# needed by go?
|
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#"~@resources"
|
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"~@privileged"
|
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"~capset"
|
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"~setdomainname"
|
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"~sethostname"
|
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];
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RestrictAddressFamilies = [
|
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"AF_INET"
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"AF_INET6"
|
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"AF_UNIX"
|
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"AF_NETLINK"
|
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];
|
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|
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# Needs network access
|
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PrivateNetwork = false;
|
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# Cannot be true due to Node
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MemoryDenyWriteExecute = false;
|
||||
|
||||
# The more restrictive "pid" option makes `nix` commands in CI emit
|
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# "GC Warning: Couldn't read /proc/stat"
|
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# You may want to set this to "pid" if not using `nix` commands
|
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ProcSubset = "all";
|
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# Coverage programs for compiled code such as `cargo-tarpaulin` disable
|
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# ASLR (address space layout randomization) which requires the
|
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# `personality` syscall
|
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# You may want to set this to `true` if not using coverage tooling on
|
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# compiled code
|
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LockPersonality = false;
|
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|
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# Note that this has some interactions with the User setting; so you may
|
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# want to consult the systemd docs if using both.
|
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DynamicUser = true;
|
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};
|
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};
|
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};
|
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|
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users.users.nix-ci-user = {
|
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group = "nix-ci-user";
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description = "Used for running nix-based CI jobs";
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home = "/var/empty";
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isSystemUser = true;
|
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};
|
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users.groups.nix-ci-user = { };
|
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|
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age.secrets."files/services/gitea-runner/${hostname}-token" = {
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file = "${self.inputs.secrets}/files/services/gitea-runner/${hostname}-token.age";
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group = "podman";
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};
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services.gitea-actions-runner.instances = {
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act = {
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enable = true;
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url = giteaUrl;
|
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name = "act-runner-${hostname}";
|
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|
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tokenFile = config.age.secrets."files/services/gitea-runner/${hostname}-token".path;
|
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settings = {
|
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cache.enabled = true;
|
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runner.capacity = 4;
|
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};
|
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|
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labels = [
|
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"debian-latest:docker://ghcr.io/catthehacker/ubuntu:act-latest"
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"ubuntu-latest:docker://ghcr.io/catthehacker/ubuntu:act-latest"
|
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];
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};
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nix = {
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enable = true;
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url = giteaUrl;
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name = "nix-runner-${hostname}";
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tokenFile = config.age.secrets."files/services/gitea-runner/${hostname}-token".path;
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settings = {
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cache.enabled = true;
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container = {
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options = "-e NIX_BUILD_SHELL=/bin/bash -e PAGER=cat -e PATH=/bin -e SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt --device /dev/kvm -v /nix:/nix -v ${storeDeps}/bin:/bin -v ${storeDeps}/etc/ssl:/etc/ssl --user nix-ci-user";
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network = "host";
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valid_volumes = [
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"/nix"
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"${storeDeps}/bin"
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"${storeDeps}/etc/ssl"
|
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];
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};
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runner.capacity = 4;
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};
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|
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labels = [
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"nix:docker://gitea-runner-nix"
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];
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};
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};
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||||
};
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}
|
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