42 lines
1.4 KiB
Nix
42 lines
1.4 KiB
Nix
# Docker + single-node Swarm — the deploy target for recipes under test (M1).
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# Traefik (modules/traefik.nix) and abra layer on top; recipes attach to the `proxy`
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# overlay network, exactly as a real Co-op Cloud host expects.
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{ pkgs, ... }:
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{
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virtualisation.docker = {
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enable = true;
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# Reclaim disk from churning per-run images/volumes (cc-ci root is ~28 GiB).
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autoPrune = {
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enable = true;
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dates = "daily";
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flags = [ "--all" "--volumes" "--filter" "until=24h" ];
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};
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};
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environment.systemPackages = [ pkgs.docker ];
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# Bring up a single-node swarm + the shared `proxy` overlay network. Idempotent:
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# safe to re-run every boot/rebuild. advertise-addr 127.0.0.1 is fine for a lone node.
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systemd.services.swarm-init = {
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description = "Initialise single-node Docker Swarm + proxy overlay network";
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after = [ "docker.service" ];
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requires = [ "docker.service" ];
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.docker ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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};
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script = ''
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set -eu
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state="$(docker info --format '{{.Swarm.LocalNodeState}}' 2>/dev/null || echo error)"
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if [ "$state" != "active" ]; then
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docker swarm init --advertise-addr 127.0.0.1
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fi
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if ! docker network inspect proxy >/dev/null 2>&1; then
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docker network create --driver overlay --attachable proxy
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fi
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'';
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};
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}
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